org.springframework.yarn.am.container.ContainerShutdown 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.am.container;
import java.util.Map;
import org.apache.hadoop.yarn.api.records.Container;
/**
* Generic strategy interface to shutdown containers. Implementor can
* choose how containers are brought down which may either happen
* by killing via node manager or i.e. via boot shutdown endpoint
* if that is known in a info structure.
*
* @author Janne Valkealahti
*
*/
public interface ContainerShutdown {
/**
* Shutdown containers.
*
* @param containers the containers
* @return true, if shutdown is considered successful
*/
boolean shutdown(Map containers);
}