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Added initial support for loading functions by type in new deployer

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This commit is contained in:
Oleg Zhurakousky
2019-08-06 14:23:34 +02:00
parent 203687e45f
commit d3b31a6f6b
6 changed files with 104 additions and 12 deletions
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4
spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/catalog/BeanFactoryAwareFunctionRegistry.java
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@@ -194,6 +194,10 @@ public class BeanFactoryAwareFunctionRegistry
Assert.isTrue(functionNames.length == 1, "Found more then one function in BeanFactory");
definition = functionNames[0];
}
else {
Assert.isTrue(this.registrationsByName.size() == 1, "Found more then one function in local registry");
definition = this.registrationsByName.keySet().iterator().next();
}
}
return definition;
}

24
spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/catalog/FunctionTypeUtils.java
View File

@@ -16,6 +16,7 @@
package org.springframework.cloud.function.context.catalog;
import java.lang.reflect.Method;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.function.Consumer;
@@ -41,6 +42,29 @@ public final class FunctionTypeUtils {
}
public static Type getFunctionTypeFromFunctionMethod(Method functionMethod) {
Assert.isTrue(
functionMethod.getName().equals("apply") ||
functionMethod.getName().equals("accept") ||
functionMethod.getName().equals("get"),
"Only Supplier, Function or Consumer supported at the moment. Was " + functionMethod.getDeclaringClass());
if (functionMethod.getName().equals("apply")) {
return ResolvableType.forClassWithGenerics(Function.class,
ResolvableType.forMethodParameter(functionMethod, 0),
ResolvableType.forMethodReturnType(functionMethod)).getType();
}
else if (functionMethod.getName().equals("accept")) {
return ResolvableType.forClassWithGenerics(Consumer.class,
ResolvableType.forMethodParameter(functionMethod, 0)).getType();
}
else {
return ResolvableType.forClassWithGenerics(Supplier.class,
ResolvableType.forMethodReturnType(functionMethod)).getType();
}
}
public static Type getFunctionType(Object function, FunctionInspector inspector) {
FunctionRegistration<?> registration = inspector.getRegistration(function);
if (registration != null) {