org.springframework.yarn.am.allocate.ContainerAllocator Maven / Gradle / Ivy
The newest version!
/*
* 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.am.allocate;
import java.util.List;
import org.apache.hadoop.yarn.api.records.Container;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.springframework.yarn.listener.ContainerAllocatorListener;
/**
* General interface for container allocators.
*
* @author Janne Valkealahti
*
*/
public interface ContainerAllocator {
/**
* Allocate new containers.
*
* @param count the new container count to allocate
*/
void allocateContainers(int count);
/**
* Allocate new containers.
*
* @param containerAllocateData the {@link ContainerAllocateData}
*/
void allocateContainers(ContainerAllocateData containerAllocateData);
/**
* Release containers.
*
* @param containers the containers
*/
void releaseContainers(List containers);
/**
* Release container.
*
* @param containerId the container id
*/
void releaseContainer(ContainerId containerId);
/**
* Adds the {@link ContainerAllocatorListener}.
*
* @param listener the {@link ContainerAllocatorListener}
*/
void addListener(ContainerAllocatorListener listener);
/**
* Sets the current progress of application.
*
* @param progress the current progress of application
*/
void setProgress(float progress);
}