hadoop ResourceLocalizationRequest 源码
haddop ResourceLocalizationRequest 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/ResourceLocalizationRequest.java
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.apache.hadoop.yarn.api.protocolrecords;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceAudience.Public;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.LocalResource;
import org.apache.hadoop.yarn.util.Records;
import java.util.Map;
/**
* The request sent by the ApplicationMaster to ask for localizing resources.
*/
@Public
@Unstable
public abstract class ResourceLocalizationRequest {
@Public
@Unstable
public static ResourceLocalizationRequest newInstance(ContainerId containerId,
Map<String, LocalResource> localResources) {
ResourceLocalizationRequest record =
Records.newRecord(ResourceLocalizationRequest.class);
record.setContainerId(containerId);
record.setLocalResources(localResources);
return record;
}
/**
* Get the <code>ContainerId</code> of the container to localize resources.
*
* @return <code>ContainerId</code> of the container to localize resources.
*/
@Public
@Unstable
public abstract ContainerId getContainerId();
/**
* Set the <code>ContainerId</code> of the container to localize resources.
* @param containerId the containerId of the container.
*/
@Private
@Unstable
public abstract void setContainerId(ContainerId containerId);
/**
* Get <code>LocalResource</code> required by the container.
*
* @return all <code>LocalResource</code> required by the container
*/
@Public
@Unstable
public abstract Map<String, LocalResource> getLocalResources();
/**
* Set <code>LocalResource</code> required by the container. All pre-existing
* Map entries are cleared before adding the new Map
*
* @param localResources <code>LocalResource</code> required by the container
*/
@Private
@Unstable
public abstract void setLocalResources(
Map<String, LocalResource> localResources);
}
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