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Remove FunctionType and dependencies on it

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This commit is contained in:
Oleg Zhurakousky
2021-11-10 15:21:31 +01:00
parent db992a9f3e
commit e297a36a06
20 changed files with 243 additions and 1306 deletions
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4
spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/AbstractSpringFunctionAdapterInitializer.java
View File

@@ -141,7 +141,7 @@ public abstract class AbstractSpringFunctionAdapterInitializer<C> implements Clo
return FunctionTypeUtils.getRawType(FunctionTypeUtils.getGenericType(((FunctionInvocationWrapper) func).getInputType()));
}
if (functionRegistration != null) {
return functionRegistration.getType().getInputType();
return FunctionTypeUtils.getRawType(FunctionTypeUtils.getInputType(functionRegistration.getType()));
}
return Object.class;
}
@@ -287,7 +287,7 @@ public abstract class AbstractSpringFunctionAdapterInitializer<C> implements Clo
Type type = FunctionContextUtils.
findType(name, this.context.getBeanFactory());
this.functionRegistration = functionRegistration.type(new FunctionType(type));
this.functionRegistration = functionRegistration.type(type);
((FunctionRegistry) this.catalog).register(functionRegistration);
return this.catalog.lookup(name);

114
spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/FunctionRegistration.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2016-2019 the original author or authors.
* Copyright 2016-2021 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -27,19 +27,13 @@ import java.util.function.Consumer;
import java.util.function.Function;
import java.util.function.Supplier;
import net.jodah.typetools.TypeResolver;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import org.springframework.beans.factory.BeanNameAware;
import org.springframework.cloud.function.context.catalog.FunctionTypeUtils;
import org.springframework.cloud.function.context.config.RoutingFunction;
import org.springframework.util.Assert;
import org.springframework.util.CollectionUtils;
/**
* @param <T> target type
* @author Dave Syer
@@ -63,7 +57,7 @@ public class FunctionRegistration<T> implements BeanNameAware {
private T target;
private FunctionType type;
private Type type;
/**
* Creates instance of FunctionRegistration.
@@ -97,7 +91,7 @@ public class FunctionRegistration<T> implements BeanNameAware {
this.names.addAll(names);
}
public FunctionType getType() {
public Type getType() {
return this.type;
}
@@ -111,25 +105,33 @@ public class FunctionRegistration<T> implements BeanNameAware {
}
public FunctionRegistration<T> type(Type type) {
return type(FunctionType.of(type));
}
public FunctionRegistration<T> type(FunctionType type) {
Type t = FunctionTypeUtils.discoverFunctionTypeFromClass(this.target.getClass());
if (t == null) { // only valid for Kafka Stream KStream[] return type.
Type discoveredFunctionType = FunctionTypeUtils.discoverFunctionTypeFromClass(this.target.getClass());
if (discoveredFunctionType == null) { // only valid for Kafka Stream KStream[] return type.
return null;
}
FunctionType discoveredFunctionType = FunctionType.of(t);
Class<?> inputType = TypeResolver.resolveRawClass(discoveredFunctionType.getInputType(), null);
Class<?> outputType = TypeResolver.resolveRawClass(discoveredFunctionType.getOutputType(), null);
if (!(inputType.isAssignableFrom(TypeResolver.resolveRawClass(type.getInputType(), null))
&& outputType.isAssignableFrom(TypeResolver.resolveRawClass(type.getOutputType(), null)))) {
throw new IllegalStateException("Discovered function type does not match provided function type. Discovered: "
+ discoveredFunctionType + "; Provided: " + type);
}
this.type = type;
Class<?> inputType = FunctionTypeUtils.getRawType(FunctionTypeUtils.getInputType(discoveredFunctionType));
Class<?> outputType = FunctionTypeUtils.getRawType(FunctionTypeUtils.getOutputType(discoveredFunctionType));
if (inputType != null && inputType != Object.class && outputType != null && outputType != Object.class) {
Assert.isTrue((inputType.isAssignableFrom(FunctionTypeUtils.getRawType(FunctionTypeUtils.getInputType(type)))
&& outputType.isAssignableFrom(FunctionTypeUtils.getRawType(FunctionTypeUtils.getOutputType(type)))),
"Discovered function type does not match provided function type. Discovered: "
+ discoveredFunctionType + "; Provided: " + type);
}
else if (inputType == null && outputType != Object.class) {
Assert.isTrue(outputType.isAssignableFrom(FunctionTypeUtils.getRawType(FunctionTypeUtils.getOutputType(type))),
"Discovered function type does not match provided function type. Discovered: "
+ discoveredFunctionType + "; Provided: " + type);
}
else if (outputType == null && inputType != Object.class) {
Assert.isTrue(inputType.isAssignableFrom(FunctionTypeUtils.getRawType(FunctionTypeUtils.getInputType(type))),
"Discovered function type does not match provided function type. Discovered: "
+ discoveredFunctionType + "; Provided: " + type);
}
return this;
}
@@ -167,30 +169,30 @@ public class FunctionRegistration<T> implements BeanNameAware {
*
*/
@SuppressWarnings({ "unchecked", "rawtypes" })
public <S> FunctionRegistration<S> wrap() {
this.isFunctionSignatureSupported();
FunctionRegistration<S> result;
if (this.type == null) {
result = (FunctionRegistration<S>) this;
}
else if (this.target instanceof RoutingFunction) {
S target = (S) this.target;
result = new FunctionRegistration<S>(target);
result.type(this.type.getType());
result = result.target(target).names(this.names)
.type(result.type.wrap(Flux.class)).properties(this.properties);
}
else {
S target = (S) this.target;
result = new FunctionRegistration<S>(target);
result.type(this.type.getType());
result = result.target(target).names(this.names)
.type(result.type.wrap(Flux.class)).properties(this.properties);
}
return result;
}
// @SuppressWarnings({ "unchecked", "rawtypes" })
// public <S> FunctionRegistration<S> wrap() {
// this.isFunctionSignatureSupported();
// FunctionRegistration<S> result;
// if (this.type == null) {
// result = (FunctionRegistration<S>) this;
// }
// else if (this.target instanceof RoutingFunction) {
// S target = (S) this.target;
// result = new FunctionRegistration<S>(target);
// result.type(this.type.getType());
// result = result.target(target).names(this.names)
// .type(result.type.wrap(Flux.class)).properties(this.properties);
// }
// else {
// S target = (S) this.target;
// result = new FunctionRegistration<S>(target);
// result.type(this.type.getType());
// result = result.target(target).names(this.names)
// .type(result.type.wrap(Flux.class)).properties(this.properties);
// }
//
// return result;
// }
@Override
public void setBeanName(String name) {
@@ -199,12 +201,12 @@ public class FunctionRegistration<T> implements BeanNameAware {
}
}
private void isFunctionSignatureSupported() {
if (type != null) {
Assert.isTrue(!(Mono.class.isAssignableFrom(this.type.getOutputWrapper())
&& Mono.class.isAssignableFrom(this.type.getInputWrapper())),
"Function<Mono, Mono> is not supported.");
}
}
// private void isFunctionSignatureSupported() {
// if (type != null) {
// Assert.isTrue(!(Mono.class.isAssignableFrom(this.type.getOutputWrapper())
// && Mono.class.isAssignableFrom(this.type.getInputWrapper())),
// "Function<Mono, Mono> is not supported.");
// }
// }
}

549
spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/FunctionType.java
View File

@@ -1,549 +0,0 @@
/*
* Copyright 2012-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.cloud.function.context;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.List;
import java.util.function.Consumer;
import java.util.function.Function;
import java.util.function.Supplier;
import reactor.core.publisher.Flux;
import org.springframework.core.ResolvableType;
import org.springframework.core.io.support.SpringFactoriesLoader;
import org.springframework.messaging.Message;
import org.springframework.util.ObjectUtils;
import org.springframework.util.ReflectionUtils;
/**
* @author Dave Syer
* @author Oleg Zhurakousky
*
*/
public class FunctionType {
/**
* Unclassified function types.
*/
public static FunctionType UNCLASSIFIED = new FunctionType(ResolvableType
.forClassWithGenerics(Function.class, Object.class, Object.class).getType());
private static List<WrapperDetector> transformers;
private Type type;
private Class<?> inputType;
private Class<?> outputType;
private Class<?> inputWrapper;
private Class<?> outputWrapper;
private boolean message;
public FunctionType(Type type) {
this.type = functionType(type);
this.inputWrapper = findType(ParamType.INPUT_WRAPPER);
this.outputWrapper = findType(ParamType.OUTPUT_WRAPPER);
this.inputType = findType(ParamType.INPUT);
this.outputType = findType(ParamType.OUTPUT);
this.message = messageType();
resetType();
}
/*
* Experimental for now. Used (reflectively) in FunctionCreatorConfiguration to effectively
* map an existing FunctionType created by one class loader to another.
*/
@SuppressWarnings("unused") // it is used
private FunctionType(Object functionType) throws Exception {
Field[] fields = functionType.getClass().getDeclaredFields();
for (Field field : fields) {
if (!Modifier.isStatic(field.getModifiers())) {
field.setAccessible(true);
Field thisField = ReflectionUtils.findField(this.getClass(), field.getName());
thisField.setAccessible(true);
thisField.set(this, field.get(functionType));
}
}
}
public static boolean isWrapper(Type type) {
if (type instanceof ParameterizedType) {
type = ((ParameterizedType) type).getRawType();
}
if (transformers == null) {
transformers = new ArrayList<>();
transformers.addAll(
SpringFactoriesLoader.loadFactories(WrapperDetector.class, null));
}
for (WrapperDetector transformer : transformers) {
if (transformer.isWrapper(type)) {
return true;
}
}
return false;
}
public static FunctionType of(Type function) {
FunctionType ft = new FunctionType(function);
if (!ft.isWrapper() && !(ft.type instanceof ParameterizedType)) {
Type[] genericInterfaces = ((Class<?>) function).getGenericInterfaces();
if (!ObjectUtils.isEmpty(genericInterfaces)) {
ft.type = genericInterfaces[0];
}
}
return ft;
}
public static FunctionType from(Class<?> input) {
return new FunctionType(ResolvableType
.forClassWithGenerics(Function.class, input, Object.class).getType());
}
public static FunctionType supplier(Class<?> input) {
return new FunctionType(
ResolvableType.forClassWithGenerics(Supplier.class, input).getType());
}
public static FunctionType consumer(Class<?> input) {
return new FunctionType(
ResolvableType.forClassWithGenerics(Consumer.class, input).getType());
}
public static FunctionType compose(FunctionType input, FunctionType output) {
ResolvableType inputGeneric = input(input);
ResolvableType outputGeneric = output(output);
if (!isWrapper(outputGeneric.getType())) {
ResolvableType inputOutput = output(input);
if (isWrapper(inputOutput.getType())) {
outputGeneric = wrap(input,
extractClass(inputOutput.getType(), ParamType.OUTPUT_WRAPPER),
extractClass(outputGeneric.getType(), ParamType.OUTPUT));
}
}
return new FunctionType(ResolvableType
.forClassWithGenerics(Function.class, inputGeneric, outputGeneric)
.getType());
}
public Type getType() {
return this.type;
}
public Class<?> getInputWrapper() {
return this.inputWrapper;
}
public Class<?> getOutputWrapper() {
return this.outputWrapper;
}
public Class<?> getInputType() {
return this.inputType;
}
public Class<?> getOutputType() {
return this.outputType;
}
public boolean isMessage() {
return this.message;
}
public boolean isWrapper() {
return isWrapper(getInputWrapper()) || isWrapper(getOutputWrapper());
}
public FunctionType to(Class<?> output) {
ResolvableType inputGeneric = input(this);
ResolvableType outputGeneric = output(output);
return new FunctionType(ResolvableType
.forClassWithGenerics(Function.class, inputGeneric, outputGeneric)
.getType());
}
public FunctionType message() {
if (isMessage()) {
return this;
}
ResolvableType inputGeneric = message(getInputType());
ResolvableType outputGeneric = message(getOutputType());
if (isWrapper(getInputWrapper())) {
inputGeneric = ResolvableType.forClassWithGenerics(getInputWrapper(),
inputGeneric);
outputGeneric = ResolvableType.forClassWithGenerics(getInputWrapper(),
outputGeneric);
}
return new FunctionType(ResolvableType
.forClassWithGenerics(Function.class, inputGeneric, outputGeneric)
.getType());
}
public FunctionType wrap(Class<?> input, Class<?> output) {
if (!isWrapper(input) && !isWrapper(output)) {
return this;
}
else if (isWrapper(input) && isWrapper(output)) {
if (input.isAssignableFrom(getInputWrapper())
&& output.isAssignableFrom(getOutputWrapper())) {
return this;
}
return new FunctionType(ResolvableType.forClassWithGenerics(Function.class,
wrapper(input, getInputType()), wrapper(output, getOutputType()))
.getType());
}
else {
throw new IllegalArgumentException("Both wrapper types must be wrappers in ("
+ input + ", " + output + ")");
}
}
public FunctionType wrap(Class<?> wrapper) {
return wrap(wrapper, wrapper);
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result
+ ((this.inputType == null) ? 0 : this.inputType.toString().hashCode());
result = prime * result + ((this.inputWrapper == null) ? 0
: this.inputWrapper.toString().hashCode());
result = prime * result + (this.message ? 1231 : 1237);
result = prime * result
+ ((this.outputType == null) ? 0 : this.outputType.toString().hashCode());
result = prime * result + ((this.outputWrapper == null) ? 0
: this.outputWrapper.toString().hashCode());
return result;
}
public String toString() {
if (this.inputType == Void.class) {
return this.type.toString() + ", which is effectively a Supplier<"
+ this.outputType + ">";
}
else if (this.outputType == Void.class) {
return this.type.toString() + ", which is effectively a Consumer<"
+ this.inputType + ">";
}
return this.type.toString();
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
FunctionType other = (FunctionType) obj;
if (this.inputType == null) {
if (other.inputType != null) {
return false;
}
}
else if (!this.inputType.toString().equals(other.inputType.toString())) {
return false;
}
if (this.inputWrapper == null) {
if (other.inputWrapper != null) {
return false;
}
}
else if (!this.inputWrapper.toString().equals(other.inputWrapper.toString())) {
return false;
}
if (this.message != other.message) {
return false;
}
if (this.outputType == null) {
if (other.outputType != null) {
return false;
}
}
else if (!this.outputType.toString().equals(other.outputType.toString())) {
return false;
}
if (this.outputWrapper == null) {
if (other.outputWrapper != null) {
return false;
}
}
else if (!this.outputWrapper.toString().equals(other.outputWrapper.toString())) {
return false;
}
return true;
}
private static ResolvableType wrap(FunctionType input, Class<?> wrapper,
Class<?> type) {
return input.isMessage() ? wrap(wrapper, message(type))
: ResolvableType.forClassWithGenerics(wrapper, type);
}
private static ResolvableType wrap(Class<?> wrapper, ResolvableType type) {
return ResolvableType.forClassWithGenerics(wrapper, type);
}
private static ResolvableType message(Class<?> type) {
return ResolvableType.forClassWithGenerics(Message.class, type);
}
private static ResolvableType input(FunctionType type) {
return type.input(type.getInputType());
}
private static ResolvableType output(FunctionType type) {
return type.output(type.getOutputType());
}
private static Class<?> extractClass(Type param, ParamType paramType) {
if (param instanceof ParameterizedType) {
ParameterizedType concrete = (ParameterizedType) param;
param = concrete.getRawType();
}
if (param == null) {
// Last ditch attempt to guess: Flux<String>
if (paramType.isWrapper()) {
param = Flux.class;
}
else {
param = String.class;
}
}
Class<?> result = param instanceof Class ? (Class<?>) param : null;
// TODO: cache result
return result;
}
private ResolvableType wrapper(Class<?> wrapper, Class<?> type) {
return wrap(this, wrapper, type);
}
private ResolvableType output(Class<?> type) {
ResolvableType generic;
ResolvableType raw = ResolvableType.forClass(type);
if (isMessage()) {
raw = ResolvableType.forClassWithGenerics(Message.class, raw);
}
if (FunctionType.isWrapper(getOutputWrapper())) {
generic = ResolvableType.forClassWithGenerics(getOutputWrapper(), raw);
}
else {
generic = raw;
}
return generic;
}
private ResolvableType input(Class<?> type) {
ResolvableType generic;
ResolvableType raw = ResolvableType.forClass(type);
if (isMessage()) {
raw = ResolvableType.forClassWithGenerics(Message.class, raw);
}
if (FunctionType.isWrapper(getInputWrapper())) {
generic = ResolvableType.forClassWithGenerics(getInputWrapper(), raw);
}
else {
generic = raw;
}
return generic;
}
private Class<?> findType(ParamType paramType) {
int index = paramType.isOutput() ? 1 : 0;
Type type = this.type;
if (Supplier.class.isAssignableFrom(extractClass(this.type, null))) {
if (paramType.isInput()) {
return Void.class;
}
}
boolean found = false;
while (!found && type instanceof Class && type != Object.class) {
Class<?> clz = (Class<?>) type;
for (Type iface : clz.getGenericInterfaces()) {
if (iface.getTypeName().startsWith("java.util.function")) {
type = iface;
found = true;
break;
}
}
if (!found) {
type = clz.getSuperclass();
}
}
Type param = extractType(type, paramType, index);
if (param != null) {
Class<?> result = extractClass(param, paramType);
if (result != null) {
return result;
}
}
return Object.class;
}
private void resetType() {
if (!this.type.getTypeName().contains("EnhancerBySpringCGLIB")) {
return;
}
Type type = this.type;
boolean found = false;
while (!found && type instanceof Class && type != Object.class) {
Class<?> clz = (Class<?>) type;
for (Type iface : clz.getGenericInterfaces()) {
if (iface.getTypeName().startsWith("java.util.function")) {
type = iface;
found = true;
break;
}
}
if (!found) {
type = clz.getSuperclass();
}
}
this.type = type;
}
private Type extractType(Type type, ParamType paramType, int index) {
Type param;
if (type instanceof ParameterizedType) {
ParameterizedType parameterizedType = (ParameterizedType) type;
if (parameterizedType.getActualTypeArguments().length == 1) {
if (isVoid(parameterizedType, paramType)) {
return Void.class;
}
// There's only one
index = 0;
}
Type typeArgumentAtIndex = parameterizedType.getActualTypeArguments()[index];
if (typeArgumentAtIndex instanceof ParameterizedType
&& !paramType.isWrapper()) {
if (FunctionType.isWrapper(
((ParameterizedType) typeArgumentAtIndex).getRawType())) {
param = ((ParameterizedType) typeArgumentAtIndex)
.getActualTypeArguments()[0];
param = extractNestedType(paramType, param);
}
else {
param = extractNestedType(paramType, typeArgumentAtIndex);
}
}
else {
param = extractNestedType(paramType, typeArgumentAtIndex);
}
}
else {
if (type != null) {
Type[] interfaces = ((Class<?>) type).getGenericInterfaces();
for (Type ifc : interfaces) {
Type value = extractType(ifc, paramType, index);
if (value != Object.class) {
return value;
}
}
}
param = Object.class;
}
return param;
}
private boolean isVoid(ParameterizedType parameterizedType, ParamType paramType) {
Class<?> rawType = extractClass(parameterizedType.getRawType(), paramType);
if (Consumer.class.isAssignableFrom(rawType) && paramType.isOutput()) {
return true;
}
if (Supplier.class.isAssignableFrom(rawType) && paramType.isInput()) {
return true;
}
return false;
}
private Type extractNestedType(ParamType paramType, Type param) {
if (!paramType.isInnerWrapper() && param instanceof ParameterizedType) {
if (((ParameterizedType) param).getRawType().getTypeName()
.startsWith(Message.class.getName())) {
param = ((ParameterizedType) param).getActualTypeArguments()[0];
}
}
return param;
}
private Type functionType(Type type) {
if (Supplier.class.isAssignableFrom(extractClass(type, ParamType.OUTPUT))) {
Type product = extractType(type, ParamType.OUTPUT, 0);
Class<?> output = extractClass(product, ParamType.OUTPUT);
if (output != null) {
if (FunctionRegistration.class.isAssignableFrom(output)) {
type = extractType(product, ParamType.OUTPUT, 0);
}
else if (Function.class.isAssignableFrom(output)
|| Supplier.class.isAssignableFrom(output)
|| Consumer.class.isAssignableFrom(output)) {
type = product;
}
}
}
return type;
}
private boolean messageType() {
Class<?> inputType = findType(ParamType.INPUT_INNER_WRAPPER);
Class<?> outputType = findType(ParamType.OUTPUT_INNER_WRAPPER);
return inputType.getName().startsWith(Message.class.getName())
|| Message.class.isAssignableFrom(inputType)
|| outputType.getName().startsWith(Message.class.getName())
|| Message.class.isAssignableFrom(outputType);
}
enum ParamType {
INPUT, OUTPUT, INPUT_WRAPPER, OUTPUT_WRAPPER, INPUT_INNER_WRAPPER, OUTPUT_INNER_WRAPPER;
public boolean isOutput() {
return this == OUTPUT || this == OUTPUT_WRAPPER
|| this == OUTPUT_INNER_WRAPPER;
}
public boolean isInput() {
return this == INPUT || this == INPUT_WRAPPER || this == INPUT_INNER_WRAPPER;
}
public boolean isWrapper() {
return this == OUTPUT_WRAPPER || this == INPUT_WRAPPER;
}
public boolean isInnerWrapper() {
return this == OUTPUT_INNER_WRAPPER || this == INPUT_INNER_WRAPPER;
}
}
}

2
spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/FunctionalSpringApplication.java
View File

@@ -153,7 +153,7 @@ public class FunctionalSpringApplication
context.registerBean("function", FunctionRegistration.class,
() -> new FunctionRegistration<>(
handler(context, function, functionType))
.type(FunctionType.of(functionType)));
.type(functionType));
}
private Object handler(GenericApplicationContext generic, Object handler,

12
spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/catalog/FunctionTypeConversionHelper.java
View File

@@ -71,12 +71,12 @@ class FunctionTypeConversionHelper {
this.conversionService = conversionService;
this.messageConverter = messageConverter;
this.functionRegistration = functionRegistration;
if ((this.functionRegistration.getType().getType()) instanceof ParameterizedType) {
this.functionArgumentTypes = ((ParameterizedType) this.functionRegistration.getType().getType())
if ((this.functionRegistration.getType()) instanceof ParameterizedType) {
this.functionArgumentTypes = ((ParameterizedType) this.functionRegistration.getType())
.getActualTypeArguments();
}
else {
this.functionArgumentTypes = new Type[] { this.functionRegistration.getType().getInputType() };
this.functionArgumentTypes = new Type[] { FunctionTypeUtils.getInputType(this.functionRegistration.getType()) };
}
}
@@ -227,7 +227,7 @@ class FunctionTypeConversionHelper {
}
}
else {
Assert.isTrue(!Publisher.class.isAssignableFrom(this.functionRegistration.getType().getInputWrapper()),
Assert.isTrue(!FunctionTypeUtils.isPublisher(FunctionTypeUtils.getInputType(this.functionRegistration.getType())),
"Invoking reactive function as imperative is not allowed. Function name(s): "
+ this.functionRegistration.getNames());
incoming = this.doConvertArgument(incoming, targetType, actualType);
@@ -244,7 +244,7 @@ class FunctionTypeConversionHelper {
: Flux.from((Publisher) incoming).map(value -> this.messageConverter.toMessage(value, headers));
}
else {
Assert.isTrue(!Publisher.class.isAssignableFrom(this.functionRegistration.getType().getInputWrapper()),
Assert.isTrue(!FunctionTypeUtils.isPublisher(FunctionTypeUtils.getInputType(this.functionRegistration.getType())),
"Invoking reactive function as imperative is not allowed. Function name(s): "
+ this.functionRegistration.getNames());
incoming = this.messageConverter.toMessage(incoming, headers);
@@ -296,7 +296,7 @@ class FunctionTypeConversionHelper {
incomingValue = incomingMessage;
}
else {
incomingValue = this.messageConverter.fromMessage((Message<?>) incomingMessage, targetType);
incomingValue = this.messageConverter.fromMessage(incomingMessage, targetType);
}
}
return incomingValue;

77
spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/catalog/FunctionTypeUtils.java
View File

@@ -41,7 +41,6 @@ import org.springframework.beans.factory.FactoryBean;
import org.springframework.beans.factory.ListableBeanFactory;
import org.springframework.beans.factory.annotation.BeanFactoryAnnotationUtils;
import org.springframework.cloud.function.context.FunctionRegistration;
import org.springframework.cloud.function.context.FunctionType;
import org.springframework.cloud.function.context.config.FunctionContextUtils;
import org.springframework.cloud.function.context.config.RoutingFunction;
import org.springframework.context.support.GenericApplicationContext;
@@ -68,6 +67,21 @@ public final class FunctionTypeUtils {
}
public static Type functionType(Type input, Type output) {
return ResolvableType.forClassWithGenerics(Function.class,
ResolvableType.forType(input), ResolvableType.forType(output)).getType();
}
public static Type consumerType(Type input) {
return ResolvableType.forClassWithGenerics(Consumer.class,
ResolvableType.forType(input)).getType();
}
public static Type supplierType(Type output) {
return ResolvableType.forClassWithGenerics(Supplier.class,
ResolvableType.forType(output)).getType();
}
/**
* Will return 'true' if the provided type is a {@link Collection} type.
* This also includes collections wrapped in {@link Message}. For example,
@@ -176,6 +190,37 @@ public final class FunctionTypeUtils {
return null;
}
/**
* Discovers the function {@link Type} based on the signature of a factory method.
* For example, given the following method {@code Function<Message<Person>, Message<String>> uppercase()} of
* class Foo - {@code Type type = discoverFunctionTypeFromFunctionFactoryMethod(Foo.class, "uppercase");}
*
* @param clazz instance of Class containing the factory method
* @param methodName factory method name
* @return type of the function
*/
public static Type discoverFunctionTypeFromFunctionFactoryMethod(Class<?> clazz, String methodName) {
return discoverFunctionTypeFromFunctionFactoryMethod(ReflectionUtils.findMethod(clazz, methodName));
}
/**
* Discovers the function {@link Type} based on the signature of a factory method.
* For example, given the following method {@code Function<Message<Person>, Message<String>> uppercase()} of
* class Foo - {@code Type type = discoverFunctionTypeFromFunctionFactoryMethod(Foo.class, "uppercase");}
*
* @param method factory method
* @return type of the function
*/
public static Type discoverFunctionTypeFromFunctionFactoryMethod(Method method) {
return method.getGenericReturnType();
}
/**
* Unlike {@link #discoverFunctionTypeFromFunctionFactoryMethod(Class, String)}, this method discovers function
* type from the well known method of Function(apply), Supplier(get) or Consumer(accept).
* @param functionMethod functional method
* @return type of the function
*/
public static Type discoverFunctionTypeFromFunctionMethod(Method functionMethod) {
Assert.isTrue(
functionMethod.getName().equals("apply") ||
@@ -223,6 +268,26 @@ public final class FunctionTypeUtils {
return outputCount;
}
/**
* In the event the input type is {@link ParameterizedType} this method returns its generic type.
* @param functionType instance of function type
* @return generic type or input type
*/
public static Type getComponentTypeOfInputType(Type functionType) {
Type inputType = getInputType(functionType);
return getImmediateGenericType(inputType, 0);
}
/**
* In the event the output type is {@link ParameterizedType} this method returns its generic type.
* @param functionType instance of function type
* @return generic type or output type
*/
public static Type getComponentTypeOfOutputType(Type functionType) {
Type inputType = getOutputType(functionType);
return getImmediateGenericType(inputType, 0);
}
/**
* Returns input type of function type that represents Function or Consumer.
* @param functionType the Type of Function or Consumer
@@ -253,15 +318,15 @@ public final class FunctionTypeUtils {
@SuppressWarnings("rawtypes")
public static Type discoverFunctionType(Object function, String functionName, GenericApplicationContext applicationContext) {
if (function instanceof RoutingFunction) {
return FunctionType.of(FunctionContextUtils.findType(applicationContext.getBeanFactory(), functionName)).getType();
return FunctionContextUtils.findType(applicationContext.getBeanFactory(), functionName);
}
else if (function instanceof FunctionRegistration) {
return ((FunctionRegistration) function).getType().getType();
return ((FunctionRegistration) function).getType();
}
if (applicationContext.containsBean(functionName + FunctionRegistration.REGISTRATION_NAME_SUFFIX)) { // for Kotlin primarily
FunctionRegistration fr = applicationContext
.getBean(functionName + FunctionRegistration.REGISTRATION_NAME_SUFFIX, FunctionRegistration.class);
return fr.getType().getType();
return fr.getType();
}
boolean beanDefinitionExists = false;
@@ -277,13 +342,13 @@ public final class FunctionTypeUtils {
if (beanDefinitionExists) {
Type t = FunctionTypeUtils.getImmediateGenericType(type, 0);
if (t == null || t == Object.class) {
type = FunctionType.of(FunctionContextUtils.findType(applicationContext.getBeanFactory(), functionBeanDefinitionName)).getType();
type = FunctionContextUtils.findType(applicationContext.getBeanFactory(), functionBeanDefinitionName);
}
}
else if (!(type instanceof ParameterizedType)) {
String beanDefinitionName = discoverBeanDefinitionNameByQualifier(applicationContext.getBeanFactory(), functionName);
if (StringUtils.hasText(beanDefinitionName)) {
type = FunctionType.of(FunctionContextUtils.findType(applicationContext.getBeanFactory(), beanDefinitionName)).getType();
type = FunctionContextUtils.findType(applicationContext.getBeanFactory(), beanDefinitionName);
}
}
return type;

2
spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/catalog/SimpleFunctionRegistry.java
View File

@@ -262,7 +262,7 @@ public class SimpleFunctionRegistry implements FunctionRegistry {
.findFirst()
.orElseGet(() -> null);
FunctionInvocationWrapper function = functionRegistration != null
? this.invocationWrapperInstance(functionName, functionRegistration.getTarget(), functionRegistration.getType().getType())
? this.invocationWrapperInstance(functionName, functionRegistration.getTarget(), functionRegistration.getType())
: null;
if (functionRegistration != null && functionRegistration.getProperties().containsKey("singleton")) {
try {

346
spring-cloud-function-context/src/test/java/org/springframework/cloud/function/context/FunctionTypeTests.java
View File

@@ -1,346 +0,0 @@
/*
* Copyright 2012-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.cloud.function.context;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.Collections;
import java.util.Map;
import java.util.function.Consumer;
import java.util.function.Function;
import java.util.function.Supplier;
import org.junit.jupiter.api.Test;
import reactor.core.publisher.Flux;
import reactor.util.function.Tuple2;
import reactor.util.function.Tuple3;
import org.springframework.core.ResolvableType;
import org.springframework.messaging.Message;
import org.springframework.messaging.support.MessageBuilder;
import static org.assertj.core.api.Assertions.assertThat;
/**
* @author Dave Syer
*
*/
public class FunctionTypeTests {
@Test
public void functionWithTuples() {
FunctionType functionType = FunctionType.of(MyFunction.class);
assertThat(functionType.getType()).isInstanceOf(ParameterizedType.class);
}
@Test
public void plainFunction() {
FunctionType function = new FunctionType(IntegerToString.class);
assertThat(function.getInputType()).isEqualTo(Integer.class);
assertThat(function.getOutputType()).isEqualTo(String.class);
assertThat(function.getInputWrapper()).isEqualTo(Integer.class);
assertThat(function.getOutputWrapper()).isEqualTo(String.class);
assertThat(function.isMessage()).isEqualTo(false);
}
@Test
public void supplierOfRegistration() {
FunctionType function = new FunctionType(
SupplierOfRegistrationOfIntegerToString.class);
assertThat(function.getInputType()).isEqualTo(Integer.class);
assertThat(function.getOutputType()).isEqualTo(String.class);
assertThat(function.getInputWrapper()).isEqualTo(Integer.class);
assertThat(function.getOutputWrapper()).isEqualTo(String.class);
assertThat(function.isMessage()).isEqualTo(false);
}
@Test
public void supplier() {
FunctionType function = new FunctionType(SupplierOfIntegerToString.class);
assertThat(function.getInputType()).isEqualTo(Integer.class);
assertThat(function.getOutputType()).isEqualTo(String.class);
assertThat(function.getInputWrapper()).isEqualTo(Integer.class);
assertThat(function.getOutputWrapper()).isEqualTo(String.class);
assertThat(function.isMessage()).isEqualTo(false);
}
@Test
public void genericFunction() {
FunctionType function = new FunctionType(StringToMap.class);
assertThat(function.getInputType()).isEqualTo(String.class);
assertThat(function.getOutputType()).isEqualTo(Map.class);
assertThat(function.getInputWrapper()).isEqualTo(String.class);
assertThat(function.getOutputWrapper()).isEqualTo(Map.class);
assertThat(function.isMessage()).isEqualTo(false);
}
@Test
public void pojoFunction() {
FunctionType function = new FunctionType(FooToFoo.class);
assertThat(function.getInputType()).isEqualTo(Foo.class);
assertThat(function.getOutputType()).isEqualTo(Bar.class);
assertThat(function.getInputWrapper()).isEqualTo(Foo.class);
assertThat(function.getOutputWrapper()).isEqualTo(Bar.class);
assertThat(function.isMessage()).isEqualTo(false);
}
@Test
public void fluxFunction() {
FunctionType function = new FunctionType(FluxToFlux.class);
assertThat(function.getInputType()).isEqualTo(Foo.class);
assertThat(function.getOutputType()).isEqualTo(Bar.class);
assertThat(function.getInputWrapper()).isEqualTo(Flux.class);
assertThat(function.getOutputWrapper()).isEqualTo(Flux.class);
assertThat(function.isMessage()).isEqualTo(false);
}
@Test
public void fluxMessageFunction() {
FunctionType function = new FunctionType(FluxMessageToFluxMessage.class);
assertThat(function.getInputType()).isEqualTo(Foo.class);
assertThat(function.getOutputType()).isEqualTo(Bar.class);
assertThat(function.getInputWrapper()).isEqualTo(Flux.class);
assertThat(function.getOutputWrapper()).isEqualTo(Flux.class);
assertThat(function.isMessage()).isEqualTo(true);
}
@Test
public void plainFunctionFromType() {
Type type = ResolvableType
.forClassWithGenerics(Function.class, Integer.class, String.class)
.getType();
FunctionType function = new FunctionType(type);
assertThat(function.getInputType()).isEqualTo(Integer.class);
assertThat(function.getOutputType()).isEqualTo(String.class);
assertThat(function.getInputWrapper()).isEqualTo(Integer.class);
assertThat(function.getOutputWrapper()).isEqualTo(String.class);
assertThat(function.isMessage()).isEqualTo(false);
}
@Test
public void pojoConsumerFromType() {
Type type = ResolvableType.forClassWithGenerics(Consumer.class, Foo.class)
.getType();
FunctionType function = new FunctionType(type);
assertThat(function.getInputType()).isEqualTo(Foo.class);
assertThat(function.getOutputType()).isEqualTo(Void.class);
assertThat(function.getInputWrapper()).isEqualTo(Foo.class);
assertThat(function.getOutputWrapper()).isEqualTo(Void.class);
assertThat(function.isMessage()).isEqualTo(false);
}
@Test
public void pojoSupplierFromType() {
Type type = ResolvableType.forClassWithGenerics(Supplier.class, Foo.class)
.getType();
FunctionType function = new FunctionType(type);
assertThat(function.getInputType()).isEqualTo(Void.class);
assertThat(function.getOutputType()).isEqualTo(Foo.class);
assertThat(function.getInputWrapper()).isEqualTo(Void.class);
assertThat(function.getOutputWrapper()).isEqualTo(Foo.class);
assertThat(function.isMessage()).isEqualTo(false);
}
@Test
public void pojoSupplierFrom() {
FunctionType function = new FunctionType(Supplier.class).to(Foo.class);
assertThat(function.getInputType()).isEqualTo(Void.class);
assertThat(function.getOutputType()).isEqualTo(Foo.class);
assertThat(function.getInputWrapper()).isEqualTo(Void.class);
assertThat(function.getOutputWrapper()).isEqualTo(Foo.class);
assertThat(function.isMessage()).isEqualTo(false);
}
@Test
public void pojoSupplier() {
FunctionType function = FunctionType.supplier(Foo.class);
assertThat(function.getInputType()).isEqualTo(Void.class);
assertThat(function.getOutputType()).isEqualTo(Foo.class);
assertThat(function.getInputWrapper()).isEqualTo(Void.class);
assertThat(function.getOutputWrapper()).isEqualTo(Foo.class);
assertThat(function.isMessage()).isEqualTo(false);
}
@Test
public void pojoConsumer() {
FunctionType function = FunctionType.consumer(Foo.class);
assertThat(function.getOutputType()).isEqualTo(Void.class);
assertThat(function.getInputType()).isEqualTo(Foo.class);
assertThat(function.getOutputWrapper()).isEqualTo(Void.class);
assertThat(function.getInputWrapper()).isEqualTo(Foo.class);
assertThat(function.isMessage()).isEqualTo(false);
}
@Test
public void plainFunctionFromApi() {
FunctionType function = FunctionType.from(Integer.class).to(String.class);
assertThat(function.getInputType()).isEqualTo(Integer.class);
assertThat(function.getOutputType()).isEqualTo(String.class);
assertThat(function.getInputWrapper()).isEqualTo(Integer.class);
assertThat(function.getOutputWrapper()).isEqualTo(String.class);
assertThat(function.isMessage()).isEqualTo(false);
}
@Test
public void fluxMessageFunctionFromType() {
Type type = ResolvableType
.forClassWithGenerics(Function.class,
ResolvableType.forClassWithGenerics(
Flux.class,
ResolvableType.forClassWithGenerics(Message.class,
Foo.class)),
ResolvableType.forClassWithGenerics(Flux.class, ResolvableType
.forClassWithGenerics(Message.class, Bar.class)))
.getType();
FunctionType function = new FunctionType(type);
assertThat(function.getInputType()).isEqualTo(Foo.class);
assertThat(function.getOutputType()).isEqualTo(Bar.class);
assertThat(function.getInputWrapper()).isEqualTo(Flux.class);
assertThat(function.getOutputWrapper()).isEqualTo(Flux.class);
assertThat(function.isMessage()).isEqualTo(true);
}
@Test
public void fluxMessageFunctionFromApi() {
FunctionType function = FunctionType.from(Foo.class).to(Bar.class).message()
.wrap(Flux.class);
assertThat(function.getInputType()).isEqualTo(Foo.class);
assertThat(function.getOutputType()).isEqualTo(Bar.class);
assertThat(function.getInputWrapper()).isEqualTo(Flux.class);
assertThat(function.getOutputWrapper()).isEqualTo(Flux.class);
assertThat(function.isMessage()).isEqualTo(true);
}
@Test
public void compose() {
FunctionType input = FunctionType.from(Foo.class).to(Bar.class).wrap(Flux.class);
FunctionType output = FunctionType.from(Bar.class).to(String.class);
FunctionType function = FunctionType.compose(input, output);
assertThat(function.getInputType()).isEqualTo(Foo.class);
assertThat(function.getOutputType()).isEqualTo(String.class);
assertThat(function.getInputWrapper()).isEqualTo(Flux.class);
assertThat(function.getOutputWrapper()).isEqualTo(Flux.class);
assertThat(function.isMessage()).isEqualTo(false);
}
@Test
public void idempotentMessage() {
FunctionType function = FunctionType.from(Foo.class).to(Bar.class).message()
.wrap(Flux.class);
assertThat(function).isSameAs(function.message());
}
@Test
public void idempotentWrapper() {
FunctionType function = FunctionType.from(Foo.class).to(Bar.class).message()
.wrap(Flux.class);
assertThat(function).isSameAs(function.wrap(Flux.class));
}
@Test
public void nonWrapper() {
FunctionType function = FunctionType.from(Foo.class).to(Bar.class);
assertThat(function).isSameAs(function.wrap(Object.class));
}
private static class SupplierOfRegistrationOfIntegerToString
implements Supplier<FunctionRegistration<Function<Integer, String>>> {
@Override
public FunctionRegistration<Function<Integer, String>> get() {
return new FunctionRegistration<Function<Integer, String>>(
new IntegerToString(), "ints");
}
}
private static class SupplierOfIntegerToString
implements Supplier<Function<Integer, String>> {
@Override
public Function<Integer, String> get() {
return new IntegerToString();
}
}
private static class IntegerToString implements Function<Integer, String> {
@Override
public String apply(Integer t) {
return "" + t;
}
}
private static class StringToMap implements Function<String, Map<String, Integer>> {
@Override
public Map<String, Integer> apply(String t) {
return Collections.emptyMap();
}
}
private static class FooToFoo implements Function<Foo, Bar> {
@Override
public Bar apply(Foo t) {
return new Bar();
}
}
private static class FluxToFlux implements Function<Flux<Foo>, Flux<Bar>> {
@Override
public Flux<Bar> apply(Flux<Foo> t) {
return t.map(f -> new Bar());
}
}
private static class FluxMessageToFluxMessage
implements Function<Flux<Message<Foo>>, Flux<Message<Bar>>> {
@Override
public Flux<Message<Bar>> apply(Flux<Message<Foo>> t) {
return t.map(f -> MessageBuilder.withPayload(new Bar())
.copyHeadersIfAbsent(f.getHeaders()).build());
}
}
private static class Foo {
}
private static class Bar {
}
private static class MyFunction
implements Function<Tuple2<Flux<String>, Flux<Integer>>, Tuple3<Flux<String>, Flux<Integer>, Flux<Object>>> {
@Override
public Tuple3<Flux<String>, Flux<Integer>, Flux<Object>> apply(Tuple2<Flux<String>, Flux<Integer>> t) {
return null;
}
}
}

239
spring-cloud-function-context/src/test/java/org/springframework/cloud/function/context/SpringFunctionAdapterInitializerTests.java
View File

@@ -1,239 +0,0 @@
/*
* Copyright 2019-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.cloud.function.context;
import java.util.function.Consumer;
import java.util.function.Function;
import java.util.function.Supplier;
import java.util.stream.Collectors;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Disabled;
import org.junit.jupiter.api.Test;
import reactor.core.publisher.Flux;
import org.springframework.cloud.function.context.config.ContextFunctionCatalogAutoConfiguration;
import org.springframework.context.ApplicationContextInitializer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.context.support.GenericApplicationContext;
import static org.assertj.core.api.Assertions.assertThat;
/**
*
* @author Oleg Zhurakousky
*
*/
public class SpringFunctionAdapterInitializerTests {
private AbstractSpringFunctionAdapterInitializer<Object> initializer;
@AfterEach
public void after() {
System.clearProperty("function.name");
if (this.initializer != null) {
this.initializer.close();
}
}
@Test
public void nullSource() {
Assertions.assertThrows(IllegalArgumentException.class, () ->
this.initializer = new AbstractSpringFunctionAdapterInitializer<Object>(null) {
});
}
@Test
public void sourceAsMainClassProperty() {
try {
System.setProperty("MAIN_CLASS", FluxFunctionConfig.class.getName());
this.initializer = new AbstractSpringFunctionAdapterInitializer<Object>() {
};
}
finally {
System.clearProperty("MAIN_CLASS");
}
}
@Test
public void functionBean() {
this.initializer = new AbstractSpringFunctionAdapterInitializer<Object>(FluxFunctionConfig.class) {
};
this.initializer.initialize(null);
Flux<?> result = Flux.from(this.initializer.apply(Flux.just(new Foo())));
assertThat(result.blockFirst()).isInstanceOf(Bar.class);
}
@Test
public void functionApp() {
this.initializer = new AbstractSpringFunctionAdapterInitializer<Object>(FluxFunctionApp.class) {
};
this.initializer.initialize(null);
Flux<?> result = Flux.from(this.initializer.apply(Flux.just(new Foo())));
Object o = result.blockFirst();
assertThat(result.blockFirst()).isInstanceOf(Bar.class);
}
@Test
public void functionCatalog() {
this.initializer = new AbstractSpringFunctionAdapterInitializer<Object>(FunctionConfig.class) {
};
this.initializer.initialize(null);
Flux<?> result = Flux.from(this.initializer.apply(Flux.just(new Foo())));
assertThat(result.blockFirst()).isInstanceOf(Bar.class);
}
@Test
@Disabled // related to boot 2.1 no bean override change
public void functionRegistrar() {
this.initializer = new AbstractSpringFunctionAdapterInitializer<Object>(FunctionRegistrar.class) {
};
this.initializer.initialize(null);
Flux<?> result = Flux.from(this.initializer.apply(Flux.just(new Foo())));
assertThat(result.blockFirst()).isInstanceOf(Bar.class);
}
@Test
public void namedFunctionCatalog() {
this.initializer = new AbstractSpringFunctionAdapterInitializer<Object>(NamedFunctionConfig.class) {
};
System.setProperty("function.name", "other");
this.initializer.initialize(null);
Flux<?> result = Flux.from(this.initializer.apply(Flux.just(new Foo())));
assertThat(result.blockFirst()).isInstanceOf(Bar.class);
}
@Test
public void consumerCatalog() {
this.initializer = new AbstractSpringFunctionAdapterInitializer<Object>(ConsumerConfig.class) {
};
this.initializer.initialize(null);
Flux<?> result = Flux.from(this.initializer.apply(Flux.just(new Foo())));
assertThat(result.toStream().collect(Collectors.toList())).isEmpty();
}
@Test
public void supplierCatalog() {
initializer = new AbstractSpringFunctionAdapterInitializer<Object>(SupplierConfig.class) {
};
initializer.initialize(null);
Flux result = Flux.from(initializer.apply(null));
assertThat(result.blockFirst()).isInstanceOf(Bar.class);
}
@Configuration
protected static class FluxFunctionConfig {
@Bean
public Function<Flux<Foo>, Flux<Bar>> function() {
return flux -> flux.map(foo -> new Bar());
}
}
protected static class FluxFunctionApp implements Function<Flux<Foo>, Flux<Bar>> {
@Override
public Flux<Bar> apply(Flux<Foo> flux) {
return flux.map(foo -> new Bar());
}
}
protected static class FunctionRegistrar
implements ApplicationContextInitializer<GenericApplicationContext> {
public Function<Flux<Foo>, Flux<Bar>> function() {
return flux -> flux.map(foo -> new Bar());
}
@Override
public void initialize(GenericApplicationContext context) {
context.registerBean("function", FunctionRegistration.class,
() -> new FunctionRegistration<Function<Flux<Foo>, Flux<Bar>>>(
function()).name("function")
.type(FunctionType.from(Foo.class).to(Bar.class)
.wrap(Flux.class).getType()));
}
}
@Configuration
@Import(ContextFunctionCatalogAutoConfiguration.class)
protected static class FunctionConfig {
@Bean
public Function<Foo, Bar> function() {
return foo -> new Bar();
}
}
@Configuration
@Import(ContextFunctionCatalogAutoConfiguration.class)
protected static class NamedFunctionConfig {
@Bean
public Function<Foo, Bar> other() {
return foo -> new Bar();
}
}
@Configuration
@Import(ContextFunctionCatalogAutoConfiguration.class)
protected static class SupplierConfig {
@Bean
public Supplier<Bar> supplier() {
return () -> {
return new Bar();
};
}
}
@Configuration
@Import(ContextFunctionCatalogAutoConfiguration.class)
protected static class ConsumerConfig {
@Bean
public Consumer<Foo> consumer() {
return foo -> {
};
}
}
protected static class Foo {
}
protected static class Bar {
}
}

20
spring-cloud-function-context/src/test/java/org/springframework/cloud/function/context/catalog/BeanFactoryAwareFunctionRegistryTests.java
View File

@@ -52,7 +52,6 @@ import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.cloud.function.context.FunctionCatalog;
import org.springframework.cloud.function.context.FunctionRegistration;
import org.springframework.cloud.function.context.FunctionRegistry;
import org.springframework.cloud.function.context.FunctionType;
import org.springframework.cloud.function.context.catalog.SimpleFunctionRegistry.FunctionInvocationWrapper;
import org.springframework.cloud.function.json.JsonMapper;
import org.springframework.context.ApplicationContext;
@@ -498,30 +497,35 @@ public class BeanFactoryAwareFunctionRegistryTests {
assertThat(func).isNull();
FunctionRegistry registry = (FunctionRegistry) catalog;
try {
FunctionRegistration registration = new FunctionRegistration(new MyFunction(), "a").type(FunctionType.from(Integer.class).to(String.class));
FunctionRegistration registration = new FunctionRegistration(new MyFunction(), "a")
.type(FunctionTypeUtils.functionType(Integer.class, String.class));
registry.register(registration);
fail();
}
catch (IllegalStateException e) {
catch (IllegalArgumentException e) {
// good as we expect it to fail
}
//
try {
FunctionRegistration registration = new FunctionRegistration(new MyFunction(), "b").type(FunctionType.from(String.class).to(Integer.class));
FunctionRegistration registration = new FunctionRegistration(new MyFunction(), "b")
.type(FunctionTypeUtils.functionType(String.class, Integer.class));
registry.register(registration);
fail();
}
catch (IllegalStateException e) {
catch (IllegalArgumentException e) {
// good as we expect it to fail
}
//
FunctionRegistration c = new FunctionRegistration(new MyFunction(), "c").type(FunctionType.from(String.class).to(String.class));
FunctionRegistration c = new FunctionRegistration(new MyFunction(), "c")
.type(FunctionTypeUtils.functionType(String.class, String.class));
registry.register(c);
//
FunctionRegistration d = new FunctionRegistration(new RawFunction(), "d").type(FunctionType.from(Person.class).to(String.class));
FunctionRegistration d = new FunctionRegistration(new RawFunction(), "d")
.type(FunctionTypeUtils.functionType(Person.class, String.class));
registry.register(d);
//
FunctionRegistration e = new FunctionRegistration(new RawFunction(), "e").type(FunctionType.from(Object.class).to(Object.class));
FunctionRegistration e = new FunctionRegistration(new RawFunction(), "e")
.type(FunctionTypeUtils.functionType(Object.class, Object.class));
registry.register(e);
}

31
spring-cloud-function-context/src/test/java/org/springframework/cloud/function/context/catalog/FunctionTypeUtilsTests.java
View File

@@ -31,7 +31,6 @@ import reactor.core.publisher.Mono;
import reactor.util.function.Tuple2;
import reactor.util.function.Tuple3;
import org.springframework.cloud.function.context.FunctionType;
import org.springframework.core.ParameterizedTypeReference;
import org.springframework.messaging.Message;
@@ -114,29 +113,29 @@ public class FunctionTypeUtilsTests {
@Test
public void testFunctionTypeByClassDiscovery() {
FunctionType type = FunctionType.of(FunctionTypeUtils.discoverFunctionTypeFromClass(Function.class));
assertThat(type.getInputType()).isAssignableFrom(Object.class);
Type type = FunctionTypeUtils.discoverFunctionTypeFromClass(Function.class);
assertThat(FunctionTypeUtils.getRawType(FunctionTypeUtils.getInputType(type))).isAssignableFrom(Object.class);
type = FunctionType.of(FunctionTypeUtils.discoverFunctionTypeFromClass(MessageFunction.class));
assertThat(type.getInputType()).isAssignableFrom(String.class);
assertThat(type.getOutputType()).isAssignableFrom(String.class);
type = FunctionTypeUtils.discoverFunctionTypeFromClass(MessageFunction.class);
assertThat(FunctionTypeUtils.getRawType(FunctionTypeUtils.getComponentTypeOfInputType(type))).isAssignableFrom(String.class);
assertThat(FunctionTypeUtils.getRawType(FunctionTypeUtils.getComponentTypeOfOutputType(type))).isAssignableFrom(String.class);
type = FunctionType.of(FunctionTypeUtils.discoverFunctionTypeFromClass(MyMessageFunction.class));
assertThat(type.getInputType()).isAssignableFrom(String.class);
assertThat(type.getOutputType()).isAssignableFrom(String.class);
type = FunctionTypeUtils.discoverFunctionTypeFromClass(MyMessageFunction.class);
assertThat(FunctionTypeUtils.getRawType(FunctionTypeUtils.getComponentTypeOfInputType(type))).isAssignableFrom(String.class);
assertThat(FunctionTypeUtils.getRawType(FunctionTypeUtils.getComponentTypeOfOutputType(type))).isAssignableFrom(String.class);
type = FunctionType.of(FunctionTypeUtils.discoverFunctionTypeFromClass(MessageConsumer.class));
assertThat(type.getInputType()).isAssignableFrom(String.class);
type = FunctionTypeUtils.discoverFunctionTypeFromClass(MessageConsumer.class);
assertThat(FunctionTypeUtils.getRawType(FunctionTypeUtils.getComponentTypeOfInputType(type))).isAssignableFrom(String.class);
type = FunctionType.of(FunctionTypeUtils.discoverFunctionTypeFromClass(MyMessageConsumer.class));
assertThat(type.getInputType()).isAssignableFrom(String.class);
type = FunctionTypeUtils.discoverFunctionTypeFromClass(MyMessageConsumer.class);
assertThat(FunctionTypeUtils.getRawType(FunctionTypeUtils.getComponentTypeOfInputType(type))).isAssignableFrom(String.class);
}
@Test
public void testWithComplexHierarchy() {
FunctionType type = FunctionType.of(FunctionTypeUtils.discoverFunctionTypeFromClass(ReactiveFunctionImpl.class));
assertThat(String.class).isAssignableFrom(type.getInputType());
assertThat(Integer.class).isAssignableFrom(type.getOutputType());
Type type = FunctionTypeUtils.discoverFunctionTypeFromClass(ReactiveFunctionImpl.class);
assertThat(String.class).isAssignableFrom(FunctionTypeUtils.getRawType(FunctionTypeUtils.getComponentTypeOfInputType(type)));
assertThat(Integer.class).isAssignableFrom(FunctionTypeUtils.getRawType(FunctionTypeUtils.getComponentTypeOfOutputType(type)));
}
@Test

75
spring-cloud-function-context/src/test/java/org/springframework/cloud/function/context/catalog/SimpleFunctionRegistryTests.java
View File

@@ -40,7 +40,6 @@ import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.cloud.function.context.FunctionCatalog;
import org.springframework.cloud.function.context.FunctionRegistration;
import org.springframework.cloud.function.context.FunctionRegistry;
import org.springframework.cloud.function.context.FunctionType;
import org.springframework.cloud.function.context.HybridFunctionalRegistrationTests.UppercaseFunction;
import org.springframework.cloud.function.context.catalog.SimpleFunctionRegistry.FunctionInvocationWrapper;
import org.springframework.cloud.function.context.config.JsonMessageConverter;
@@ -91,7 +90,7 @@ public class SimpleFunctionRegistryTests {
public void testCachingOfFunction() {
Echo function = new Echo();
FunctionRegistration<Echo> registration = new FunctionRegistration<>(
function, "echo").type(FunctionType.of(Echo.class));
function, "echo").type(Echo.class);
SimpleFunctionRegistry catalog = new SimpleFunctionRegistry(this.conversionService, this.messageConverter,
new JacksonMapper(new ObjectMapper()));
catalog.register(registration);
@@ -107,7 +106,7 @@ public class SimpleFunctionRegistryTests {
public void testNoCachingOfFunction() {
Echo function = new Echo();
FunctionRegistration<Echo> registration = new FunctionRegistration<>(
function, "echo").type(FunctionType.of(Echo.class));
function, "echo").type(Echo.class);
registration.getProperties().put("singleton", "false");
SimpleFunctionRegistry catalog = new SimpleFunctionRegistry(this.conversionService, this.messageConverter,
new JacksonMapper(new ObjectMapper()));
@@ -124,7 +123,7 @@ public class SimpleFunctionRegistryTests {
public void testSCF640() {
Echo function = new Echo();
FunctionRegistration<Echo> registration = new FunctionRegistration<>(
function, "echo").type(FunctionType.of(Echo.class));
function, "echo").type(Echo.class);
SimpleFunctionRegistry catalog = new SimpleFunctionRegistry(this.conversionService, this.messageConverter,
new JacksonMapper(new ObjectMapper()));
catalog.register(registration);
@@ -142,27 +141,27 @@ public class SimpleFunctionRegistryTests {
new JacksonMapper(new ObjectMapper()));
FunctionRegistration<UpperCase> reg1 = new FunctionRegistration<>(
new UpperCase(), "uppercase").type(FunctionType.of(UpperCase.class));
new UpperCase(), "uppercase").type(UpperCase.class);
catalog.register(reg1);
//
FunctionRegistration<UpperCaseMessage> reg2 = new FunctionRegistration<>(
new UpperCaseMessage(), "uppercaseMessage").type(FunctionType.of(UpperCaseMessage.class));
new UpperCaseMessage(), "uppercaseMessage").type(UpperCaseMessage.class);
catalog.register(reg2);
//
FunctionRegistration<StringArrayFunction> reg3 = new FunctionRegistration<>(
new StringArrayFunction(), "stringArray").type(FunctionType.of(StringArrayFunction.class));
new StringArrayFunction(), "stringArray").type(StringArrayFunction.class);
catalog.register(reg3);
//
FunctionRegistration<TypelessFunction> reg4 = new FunctionRegistration<>(
new TypelessFunction(), "typeless").type(FunctionType.of(TypelessFunction.class));
new TypelessFunction(), "typeless").type(TypelessFunction.class);
catalog.register(reg4);
//
FunctionRegistration<ByteArrayFunction> reg5 = new FunctionRegistration<>(
new ByteArrayFunction(), "typeless").type(FunctionType.of(ByteArrayFunction.class));
new ByteArrayFunction(), "typeless").type(ByteArrayFunction.class);
catalog.register(reg5);
//
FunctionRegistration<StringListFunction> reg6 = new FunctionRegistration<>(
new StringListFunction(), "stringList").type(FunctionType.of(StringListFunction.class));
new StringListFunction(), "stringList").type(StringListFunction.class);
catalog.register(reg6);
Message<String> collectionMessage = MessageBuilder.withPayload("[\"ricky\", \"julien\", \"bubbles\"]").build();
@@ -218,7 +217,7 @@ public class SimpleFunctionRegistryTests {
UpperCase function = new UpperCase();
FunctionRegistration<UpperCase> registration = new FunctionRegistration<>(
function, "foo").type(FunctionType.of(UppercaseFunction.class));
function, "foo").type(UppercaseFunction.class);
SimpleFunctionRegistry catalog = new SimpleFunctionRegistry(this.conversionService, this.messageConverter,
new JacksonMapper(new ObjectMapper()));
catalog.register(registration);
@@ -237,7 +236,7 @@ public class SimpleFunctionRegistryTests {
TestFunction function = new TestFunction();
FunctionRegistration<TestFunction> registration = new FunctionRegistration<>(
function, "foo").type(FunctionType.of(TestFunction.class));
function, "foo").type(TestFunction.class);
SimpleFunctionRegistry catalog = new SimpleFunctionRegistry(this.conversionService, this.messageConverter,
new JacksonMapper(new ObjectMapper()));
catalog.register(registration);
@@ -246,7 +245,7 @@ public class SimpleFunctionRegistryTests {
FunctionInvocationWrapper lookedUpFunction = catalog.lookup("hello");
assertThat(lookedUpFunction).isNotNull(); // because we only have one and can look it up with any name
FunctionRegistration<TestFunction> registration2 = new FunctionRegistration<>(
function, "foo2").type(FunctionType.of(TestFunction.class));
function, "foo2").type(TestFunction.class);
catalog.register(registration2);
lookedUpFunction = catalog.lookup("hello");
assertThat(lookedUpFunction).isNull();
@@ -257,9 +256,9 @@ public class SimpleFunctionRegistryTests {
@Test
public void testFunctionComposition() {
FunctionRegistration<UpperCase> upperCaseRegistration = new FunctionRegistration<>(
new UpperCase(), "uppercase").type(FunctionType.of(UpperCase.class));
new UpperCase(), "uppercase").type(UpperCase.class);
FunctionRegistration<Reverse> reverseRegistration = new FunctionRegistration<>(
new Reverse(), "reverse").type(FunctionType.of(Reverse.class));
new Reverse(), "reverse").type(Reverse.class);
SimpleFunctionRegistry catalog = new SimpleFunctionRegistry(this.conversionService, this.messageConverter,
new JacksonMapper(new ObjectMapper()));
catalog.register(upperCaseRegistration);
@@ -268,23 +267,15 @@ public class SimpleFunctionRegistryTests {
Function<Flux<String>, Flux<String>> lookedUpFunction = catalog
.lookup("uppercase|reverse");
assertThat(lookedUpFunction).isNotNull();
Flux flux = lookedUpFunction.apply(Flux.just("star"));
flux.subscribe(v -> {
System.out.println(v);
});
// assertThat(lookedUpFunction.apply(Flux.just("star")).blockFirst())
// .isEqualTo("RATS");
}
@Test
@Disabled
public void testFunctionCompositionImplicit() {
FunctionRegistration<Words> wordsRegistration = new FunctionRegistration<>(
new Words(), "words").type(FunctionType.of(Words.class));
new Words(), "words").type(Words.class);
FunctionRegistration<Reverse> reverseRegistration = new FunctionRegistration<>(
new Reverse(), "reverse").type(FunctionType.of(Reverse.class));
new Reverse(), "reverse").type(Reverse.class);
FunctionRegistry catalog = new SimpleFunctionRegistry(this.conversionService, this.messageConverter,
new JacksonMapper(new ObjectMapper()));
catalog.register(wordsRegistration);
@@ -301,9 +292,9 @@ public class SimpleFunctionRegistryTests {
@Disabled
public void testFunctionCompletelyImplicitComposition() {
FunctionRegistration<Words> wordsRegistration = new FunctionRegistration<>(
new Words(), "words").type(FunctionType.of(Words.class));
new Words(), "words").type(Words.class);
FunctionRegistration<Reverse> reverseRegistration = new FunctionRegistration<>(
new Reverse(), "reverse").type(FunctionType.of(Reverse.class));
new Reverse(), "reverse").type(Reverse.class);
SimpleFunctionRegistry catalog = new SimpleFunctionRegistry(this.conversionService, this.messageConverter,
new JacksonMapper(new ObjectMapper()));
catalog.register(wordsRegistration);
@@ -319,9 +310,9 @@ public class SimpleFunctionRegistryTests {
@Test
public void testFunctionCompositionExplicit() {
FunctionRegistration<Words> wordsRegistration = new FunctionRegistration<>(
new Words(), "words").type(FunctionType.of(Words.class));
new Words(), "words").type(Words.class);
FunctionRegistration<Reverse> reverseRegistration = new FunctionRegistration<>(
new Reverse(), "reverse").type(FunctionType.of(Reverse.class));
new Reverse(), "reverse").type(Reverse.class);
SimpleFunctionRegistry catalog = new SimpleFunctionRegistry(this.conversionService, this.messageConverter,
new JacksonMapper(new ObjectMapper()));
catalog.register(wordsRegistration);
@@ -337,10 +328,10 @@ public class SimpleFunctionRegistryTests {
public void testFunctionCompositionWithMessages() {
FunctionRegistration<UpperCaseMessage> upperCaseRegistration = new FunctionRegistration<>(
new UpperCaseMessage(), "uppercase")
.type(FunctionType.of(UpperCaseMessage.class));
.type(UpperCaseMessage.class);
FunctionRegistration<ReverseMessage> reverseRegistration = new FunctionRegistration<>(
new ReverseMessage(), "reverse")
.type(FunctionType.of(ReverseMessage.class));
.type(ReverseMessage.class);
SimpleFunctionRegistry catalog = new SimpleFunctionRegistry(this.conversionService, this.messageConverter,
new JacksonMapper(new ObjectMapper()));
catalog.register(upperCaseRegistration);
@@ -359,9 +350,9 @@ public class SimpleFunctionRegistryTests {
public void testFunctionCompositionMixedMessages() {
FunctionRegistration<UpperCaseMessage> upperCaseRegistration = new FunctionRegistration<>(
new UpperCaseMessage(), "uppercase")
.type(FunctionType.of(UpperCaseMessage.class));
.type(UpperCaseMessage.class);
FunctionRegistration<Reverse> reverseRegistration = new FunctionRegistration<>(
new Reverse(), "reverse").type(FunctionType.of(Reverse.class));
new Reverse(), "reverse").type(Reverse.class);
SimpleFunctionRegistry catalog = new SimpleFunctionRegistry(this.conversionService, this.messageConverter,
new JacksonMapper(new ObjectMapper()));
catalog.register(upperCaseRegistration);
@@ -379,7 +370,7 @@ public class SimpleFunctionRegistryTests {
@Test
public void testReactiveFunctionMessages() {
FunctionRegistration<ReactiveFunction> registration = new FunctionRegistration<>(new ReactiveFunction(), "reactive")
.type(FunctionType.of(ReactiveFunction.class));
.type(ReactiveFunction.class);
SimpleFunctionRegistry catalog = new SimpleFunctionRegistry(this.conversionService, this.messageConverter,
new JacksonMapper(new ObjectMapper()));
@@ -407,6 +398,7 @@ public class SimpleFunctionRegistryTests {
assertThat(result).isEqualTo("Jim Lahey");
}
@SuppressWarnings({ "rawtypes", "unchecked" })
@Test
public void lookup() {
SimpleFunctionRegistry functionRegistry = new SimpleFunctionRegistry(this.conversionService, this.messageConverter,
@@ -416,7 +408,7 @@ public class SimpleFunctionRegistryTests {
Function userFunction = uppercase();
FunctionRegistration functionRegistration = new FunctionRegistration(userFunction, "uppercase")
.type(FunctionType.from(String.class).to(String.class));
.type(FunctionTypeUtils.functionType(String.class, String.class));
functionRegistry.register(functionRegistration);
function = functionRegistry.lookup("uppercase");
@@ -424,20 +416,21 @@ public class SimpleFunctionRegistryTests {
}
@SuppressWarnings({ "rawtypes", "unchecked" })
@Test
public void lookupDefaultName() {
SimpleFunctionRegistry functionRegistry = new SimpleFunctionRegistry(this.conversionService, this.messageConverter,
new JacksonMapper(new ObjectMapper()));
Function userFunction = uppercase();
FunctionRegistration functionRegistration = new FunctionRegistration(userFunction, "uppercase")
.type(FunctionType.from(String.class).to(String.class));
.type(FunctionTypeUtils.functionType(String.class, String.class));
functionRegistry.register(functionRegistration);
FunctionInvocationWrapper function = functionRegistry.lookup("");
assertThat(function).isNotNull();
}
@SuppressWarnings("unchecked")
@SuppressWarnings({ "unchecked", "rawtypes" })
@Test
public void lookupWithCompositionFunctionAndConsumer() {
SimpleFunctionRegistry functionRegistry = new SimpleFunctionRegistry(this.conversionService, this.messageConverter,
@@ -445,7 +438,7 @@ public class SimpleFunctionRegistryTests {
Object userFunction = uppercase();
FunctionRegistration functionRegistration = new FunctionRegistration(userFunction, "uppercase")
.type(FunctionType.from(String.class).to(String.class));
.type(FunctionTypeUtils.functionType(String.class, String.class));
functionRegistry.register(functionRegistration);
userFunction = consumer();
@@ -458,6 +451,7 @@ public class SimpleFunctionRegistryTests {
functionWrapper.apply("123");
}
@SuppressWarnings({ "unchecked", "rawtypes" })
@Test
public void lookupWithReactiveConsumer() {
SimpleFunctionRegistry functionRegistry = new SimpleFunctionRegistry(this.conversionService, this.messageConverter,
@@ -474,12 +468,11 @@ public class SimpleFunctionRegistryTests {
functionWrapper.apply("123");
}
@SuppressWarnings({ "rawtypes", "unchecked" })
@Test
public void testHeaderEnricherFunction() {
FunctionRegistration<HeaderEnricherFunction> registration =
new FunctionRegistration<>(new HeaderEnricherFunction(), "headerEnricher")
.type(FunctionType.of(HeaderEnricherFunction.class));
.type(HeaderEnricherFunction.class);
SimpleFunctionRegistry catalog = new SimpleFunctionRegistry(this.conversionService, this.messageConverter,
new JacksonMapper(new ObjectMapper()));
catalog.register(registration);
@@ -493,7 +486,7 @@ public class SimpleFunctionRegistryTests {
@Test
public void testReactiveMonoSupplier() {
FunctionRegistration<ReactiveMonoGreeter> registration = new FunctionRegistration<>(new ReactiveMonoGreeter(),
"greeter").type(FunctionType.of(ReactiveMonoGreeter.class));
"greeter").type(ReactiveMonoGreeter.class);
SimpleFunctionRegistry catalog = new SimpleFunctionRegistry(this.conversionService, this.messageConverter,
new JacksonMapper(new ObjectMapper()));
catalog.register(registration);

20
spring-cloud-function-context/src/test/java/org/springframework/cloud/function/context/config/ContextFunctionCatalogInitializerTests.java
View File

@@ -39,7 +39,7 @@ import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.cloud.function.context.FunctionCatalog;
import org.springframework.cloud.function.context.FunctionRegistration;
import org.springframework.cloud.function.context.FunctionType;
import org.springframework.cloud.function.context.catalog.FunctionTypeUtils;
import org.springframework.cloud.function.context.scan.TestFunction;
import org.springframework.context.ApplicationContextInitializer;
import org.springframework.context.annotation.Bean;
@@ -245,17 +245,18 @@ public class ContextFunctionCatalogInitializerTests {
private List<String> list = new ArrayList<>();
@Override
public void initialize(GenericApplicationContext context) {
context.registerBean("function", FunctionRegistration.class,
() -> new FunctionRegistration<>(function()).type(
FunctionType.from(Person.class).to(Person.class).getType()));
() -> new FunctionRegistration<>(function()).type(FunctionTypeUtils.functionType(Person.class, Person.class)));
context.registerBean("supplier", FunctionRegistration.class,
() -> new FunctionRegistration<>(supplier())
.type(FunctionType.supplier(String.class).getType()));
.type(FunctionTypeUtils.supplierType(String.class)));
context.registerBean("consumer", FunctionRegistration.class,
() -> new FunctionRegistration<>(consumer())
.type(FunctionType.consumer(String.class).getType()));
.type(FunctionTypeUtils.consumerType(String.class)));
context.registerBean(SimpleConfiguration.class, () -> this);
}
@@ -296,8 +297,7 @@ public class ContextFunctionCatalogInitializerTests {
@Override
public void initialize(GenericApplicationContext context) {
context.registerBean("function", FunctionRegistration.class,
() -> new FunctionRegistration<>(function()).type(
FunctionType.from(String.class).to(String.class).getType()));
() -> new FunctionRegistration<>(function()).type(FunctionTypeUtils.functionType(String.class, String.class)));
context.registerBean(PropertiesConfiguration.class, () -> this);
}
@@ -317,8 +317,7 @@ public class ContextFunctionCatalogInitializerTests {
@Override
public void initialize(GenericApplicationContext context) {
context.registerBean("function", FunctionRegistration.class,
() -> new FunctionRegistration<>(function()).type(
FunctionType.from(String.class).to(String.class).getType()));
() -> new FunctionRegistration<>(function()).type(FunctionTypeUtils.functionType(String.class, String.class)));
context.registerBean(ValueConfiguration.class, () -> this);
}
@@ -355,8 +354,7 @@ public class ContextFunctionCatalogInitializerTests {
context.registerBean(String.class, () -> value());
context.registerBean("foos", FunctionRegistration.class,
() -> new FunctionRegistration<>(foos(context.getBean(String.class)))
.type(FunctionType.from(String.class).to(Foo.class)
.getType()));
.type(FunctionTypeUtils.functionType(String.class, Foo.class)));
}
@Bean