org.springframework.yarn.container.MethodInvokingYarnContainerRuntimeProcessor Maven / Gradle / Ivy
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/*
* Copyright 2014 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
*
* http://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.yarn.container;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
/**
* A simple {@link YarnContainerRuntimeProcessor} implementation using
* methods from a container.
*
* @author Janne Valkealahti
*
* @param the return type
*/
public class MethodInvokingYarnContainerRuntimeProcessor implements YarnContainerRuntimeProcessor {
private final ContainerMethodInvokerHelper delegate;
public MethodInvokingYarnContainerRuntimeProcessor(Object targetObject, Method method) {
delegate = new ContainerMethodInvokerHelper(targetObject, method);
}
public MethodInvokingYarnContainerRuntimeProcessor(Object targetObject, String methodName) {
delegate = new ContainerMethodInvokerHelper(targetObject, methodName);
}
public MethodInvokingYarnContainerRuntimeProcessor(Object targetObject, Class annotationType) {
delegate = new ContainerMethodInvokerHelper(targetObject, annotationType);
}
@Override
public T process(YarnContainerRuntime yarnContainerRuntime) {
try {
return delegate.process(yarnContainerRuntime);
} catch (Exception e) {
throw new YarnRuntimeException("Error processing container", e);
}
}
}