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Miscellaneous clean up, refactoring

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Simplified FunctionCatalog structure by no longer registering the actual target function since it is available in wrapper anyway.
Cleaned up logic in RequestProcessor
This commit is contained in:
Oleg Zhurakousky
2019-04-03 16:11:34 +02:00
parent 3fed1f1cd4
commit 085204bad2
6 changed files with 17 additions and 83 deletions
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60
spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/catalog/AbstractComposableFunctionRegistry.java
View File

@@ -71,8 +71,6 @@ public abstract class AbstractComposableFunctionRegistry implements FunctionRegi
private final Map<String, Object> functions = new ConcurrentHashMap<>();
private final Map<String, Object> consumers = new ConcurrentHashMap<>();
private final Map<Object, String> names = new ConcurrentHashMap<>();
private final Map<String, FunctionType> types = new ConcurrentHashMap<>();
@@ -97,7 +95,6 @@ public abstract class AbstractComposableFunctionRegistry implements FunctionRegi
if (type == null) {
return new HashSet<String>(getSupplierNames()) {
{
addAll(getConsumerNames());
addAll(getFunctionNames());
}
};
@@ -105,9 +102,6 @@ public abstract class AbstractComposableFunctionRegistry implements FunctionRegi
if (Supplier.class.isAssignableFrom(type)) {
return this.getSupplierNames();
}
if (Consumer.class.isAssignableFrom(type)) {
return this.getConsumerNames();
}
if (Function.class.isAssignableFrom(type)) {
return this.getFunctionNames();
}
@@ -130,14 +124,6 @@ public abstract class AbstractComposableFunctionRegistry implements FunctionRegi
return this.functions.keySet();
}
/**
* Returns the names of available Consumers.
* @return immutable {@link Set} of available {@link Consumer} names.
*/
public Set<String> getConsumerNames() {
return this.consumers.keySet();
}
public boolean hasSuppliers() {
return !CollectionUtils.isEmpty(getSupplierNames());
}
@@ -146,10 +132,6 @@ public abstract class AbstractComposableFunctionRegistry implements FunctionRegi
return !CollectionUtils.isEmpty(getFunctionNames());
}
public boolean hasConsumers() {
return !CollectionUtils.isEmpty(getConsumerNames());
}
/**
* The size of this catalog, which is the count of all Suppliers,
* Function and Consumers currently registered.
@@ -158,8 +140,7 @@ public abstract class AbstractComposableFunctionRegistry implements FunctionRegi
*/
@Override
public int size() {
return getSupplierNames().size() + getFunctionNames().size()
+ getConsumerNames().size();
return getSupplierNames().size() + getFunctionNames().size();
}
public FunctionType getFunctionType(String name) {
@@ -194,7 +175,7 @@ public abstract class AbstractComposableFunctionRegistry implements FunctionRegi
if (StringUtils.hasText(functionName)) {
FunctionRegistration<?> registration = new FunctionRegistration<Object>(
function, functionName);
FunctionType functionType = this.findType(registration);
FunctionType functionType = this.findType(registration, functionName);
return registration.type(functionType.getType());
}
return null;
@@ -218,12 +199,14 @@ public abstract class AbstractComposableFunctionRegistry implements FunctionRegi
*/
protected void register(FunctionRegistration<?> registration, String key) {
Object target = registration.getTarget();
this.addName(target, key);
if (key.equals("uppercase")) {
System.out.println();
}
if (registration.getType() != null) {
this.addType(key, registration.getType());
}
else {
FunctionType functionType = findType(registration);
FunctionType functionType = findType(registration, key);
this.addType(key, functionType);
registration.type(functionType.getType());
}
@@ -236,12 +219,6 @@ public abstract class AbstractComposableFunctionRegistry implements FunctionRegi
this.addSupplier(name, (Supplier<?>) registration.getTarget());
}
}
else if (target instanceof Consumer) {
type = Consumer.class;
for (String name : registration.getNames()) {
this.addConsumer(name, (Consumer<?>) registration.getTarget());
}
}
else if (target instanceof Function) {
type = Function.class;
for (String name : registration.getNames()) {
@@ -258,8 +235,7 @@ public abstract class AbstractComposableFunctionRegistry implements FunctionRegi
}
}
protected FunctionType findType(FunctionRegistration<?> functionRegistration) {
String name = this.lookupFunctionName(functionRegistration.getTarget());
protected FunctionType findType(FunctionRegistration<?> functionRegistration, String name) {
return functionRegistration.getType() != null
? functionRegistration.getType()
: this.getFunctionType(name);
@@ -274,10 +250,6 @@ public abstract class AbstractComposableFunctionRegistry implements FunctionRegi
this.functions.put(name, function);
}
protected void addConsumer(String name, Consumer<?> consumer) {
this.consumers.put(name, consumer);
}
protected void addType(String name, FunctionType functionType) {
this.types.computeIfAbsent(name, str -> functionType);
}
@@ -339,16 +311,12 @@ public abstract class AbstractComposableFunctionRegistry implements FunctionRegi
composedFunction = composedRegistration.getTarget();
this.addType(name, composedRegistration.getType());
this.addName(composedFunction, name);
if (composedFunction instanceof Function) {
if (composedFunction instanceof Function || composedFunction instanceof Consumer) {
this.addFunction(name, (Function<?, ?>) composedFunction);
}
else if (composedFunction instanceof Consumer) {
this.addConsumer(name, (Consumer<?>) composedFunction);
}
else if (composedFunction instanceof Supplier) {
this.addSupplier(name, (Supplier<?>) composedFunction);
}
// this.register(composedRegistration);
}
}
@@ -361,9 +329,6 @@ public abstract class AbstractComposableFunctionRegistry implements FunctionRegi
if (result == null) {
result = this.functions.get(name);
}
if (result == null) {
result = this.consumers.get(name);
}
if (result == null && !StringUtils.hasText(name)) {
if (supplierFound && this.functions.size() == 1) {
result = this.functions.values().iterator().next();
@@ -464,9 +429,6 @@ public abstract class AbstractComposableFunctionRegistry implements FunctionRegi
Object function = null;
if (type == null) {
function = this.compose(name, this.functions);
if (function == null) {
function = this.compose(name, this.consumers);
}
if (function == null) {
function = this.compose(name, this.suppliers);
}
@@ -483,12 +445,6 @@ public abstract class AbstractComposableFunctionRegistry implements FunctionRegi
function = composed;
}
}
else if (Consumer.class.isAssignableFrom(type)) {
Object composed = this.compose(name, this.consumers);
if (composed != null && Consumer.class.isAssignableFrom(composed.getClass())) {
function = composed;
}
}
return function;
}

4
spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/catalog/InMemoryFunctionCatalog.java
View File

@@ -40,8 +40,8 @@ public class InMemoryFunctionCatalog extends AbstractComposableFunctionRegistry
}
@Override
protected FunctionType findType(FunctionRegistration<?> functionRegistration) {
FunctionType functionType = super.findType(functionRegistration);
protected FunctionType findType(FunctionRegistration<?> functionRegistration, String name) {
FunctionType functionType = super.findType(functionRegistration, name);
if (functionType == null) {
functionType = new FunctionType(functionRegistration.getTarget().getClass());
}

10
spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/config/ContextFunctionCatalogAutoConfiguration.java
View File

@@ -123,11 +123,6 @@ public class ContextFunctionCatalogAutoConfiguration {
.publishEvent(new FunctionUnregistrationEvent(this,
Function.class, this.getFunctionNames()));
}
if (this.hasConsumers()) {
this.applicationEventPublisher
.publishEvent(new FunctionUnregistrationEvent(this,
Consumer.class, this.getConsumerNames()));
}
if (this.hasSuppliers()) {
this.applicationEventPublisher
.publishEvent(new FunctionUnregistrationEvent(this,
@@ -137,10 +132,9 @@ public class ContextFunctionCatalogAutoConfiguration {
}
@Override
protected FunctionType findType(FunctionRegistration<?> functionRegistration) {
FunctionType functionType = super.findType(functionRegistration);
protected FunctionType findType(FunctionRegistration<?> functionRegistration, String name) {
FunctionType functionType = super.findType(functionRegistration, name);
if (functionType == null) {
String name = this.lookupFunctionName(functionRegistration.getTarget());
functionType = functionByNameExist(name)
? new FunctionType(functionRegistration.getTarget().getClass())
: new FunctionType(

2
spring-cloud-function-context/src/test/java/org/springframework/cloud/function/context/catalog/InMemoryFunctionCatalogTests.java
View File

@@ -19,6 +19,7 @@ package org.springframework.cloud.function.context.catalog;
import java.util.function.Function;
import java.util.function.Supplier;
import org.junit.Ignore;
import org.junit.Test;
import reactor.core.publisher.Flux;
@@ -37,6 +38,7 @@ import static org.assertj.core.api.Assertions.assertThat;
public class InMemoryFunctionCatalogTests {
@Test
@Ignore // we no longer have a need to register the actual target function as it is contained within wrapper
public void testFunctionRegistration() {
TestFunction function = new TestFunction();
FunctionRegistration<TestFunction> registration = new FunctionRegistration<>(

4
spring-cloud-function-context/src/test/java/org/springframework/cloud/function/context/config/ContextFunctionCatalogAutoConfigurationTests.java
View File

@@ -453,8 +453,8 @@ public class ContextFunctionCatalogAutoConfigurationTests {
.lookup(Function.class, "function");
assertThat(function.apply(Flux.just("foo")).blockFirst()).isEqualTo("FOO");
assertThat(bean).isNotSameAs(function);
assertThat(this.inspector.getRegistration(bean)).isNotNull();
assertThat(this.inspector.getRegistration(bean).getType())
assertThat(this.inspector.getRegistration(function)).isNotNull();
assertThat(this.inspector.getRegistration(function).getType())
.isEqualTo(this.inspector.getRegistration(function).getType());
}