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/*
* Copyright 2013 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.listener;
import java.util.List;
import org.apache.hadoop.yarn.api.records.Container;
import org.apache.hadoop.yarn.api.records.ContainerStatus;
/**
* Interface used for allocator to notify newly allocated
* and completed containers.
*
* @author Janne Valkealahti
*
*/
public interface ContainerAllocatorListener {
/**
* Invoked when new containers are allocated.
*
* @param allocatedContainers list of allocated {@link Container}s
*/
void allocated(List allocatedContainers);
/**
* Invoked when containers are releases and thus
* marked as completed.
*
* @param completedContainers list of completed {@link ContainerStatus}s
*/
void completed(List completedContainers);
}