io.micronaut.inject.MethodReference Maven / Gradle / Ivy
/*
* Copyright 2017-2020 original 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 io.micronaut.inject;
import io.micronaut.core.annotation.AnnotatedElement;
import io.micronaut.core.annotation.AnnotationMetadataDelegate;
import io.micronaut.core.type.Argument;
import io.micronaut.core.type.ReturnType;
import io.micronaut.core.annotation.NonNull;
import java.lang.reflect.Method;
import java.util.Arrays;
/**
* A reference to a method.
*
* @param The type
* @param The result type
* @author Graeme Rocher
* @since 1.0
*/
public interface MethodReference extends AnnotationMetadataDelegate, AnnotatedElement {
/**
* @return The required argument types
*/
Argument[] getArguments();
/**
* @return The target method
*/
Method getTargetMethod();
/**
* @return Return the return type
*/
ReturnType getReturnType();
/**
* @return The bean that declares this injection point
*/
Class getDeclaringType();
/**
* @return The name of the method
*/
String getMethodName();
/**
* @return The argument types
*/
default Class[] getArgumentTypes() {
return Arrays
.stream(getArguments())
.map(Argument::getType)
.toArray(Class[]::new);
}
/**
* @return The argument types
*/
default String[] getArgumentNames() {
return Arrays
.stream(getArguments())
.map(Argument::getName)
.toArray(String[]::new);
}
@NonNull
@Override
default String getName() {
return getMethodName();
}
}