hadoop GetNewApplicationResponse 源码
haddop GetNewApplicationResponse 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/GetNewApplicationResponse.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
*
* 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.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.Stable;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.api.ApplicationClientProtocol;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.util.Records;
/**
* <p>The response sent by the <code>ResourceManager</code> to the client for
* a request to get a new {@link ApplicationId} for submitting applications.</p>
*
* <p>Clients can submit an application with the returned
* {@link ApplicationId}.</p>
*
* @see ApplicationClientProtocol#getNewApplication(GetNewApplicationRequest)
*/
@Public
@Stable
public abstract class GetNewApplicationResponse {
@Private
@Unstable
public static GetNewApplicationResponse newInstance(
ApplicationId applicationId, Resource minCapability,
Resource maxCapability) {
GetNewApplicationResponse response =
Records.newRecord(GetNewApplicationResponse.class);
response.setApplicationId(applicationId);
response.setMaximumResourceCapability(maxCapability);
return response;
}
/**
* Get the <em>new</em> <code>ApplicationId</code> allocated by the
* <code>ResourceManager</code>.
* @return <em>new</em> <code>ApplicationId</code> allocated by the
* <code>ResourceManager</code>
*/
@Public
@Stable
public abstract ApplicationId getApplicationId();
@Private
@Unstable
public abstract void setApplicationId(ApplicationId applicationId);
/**
* Get the maximum capability for any {@link Resource} allocated by the
* <code>ResourceManager</code> in the cluster.
* @return maximum capability of allocated resources in the cluster
*/
@Public
@Stable
public abstract Resource getMaximumResourceCapability();
@Private
@Unstable
public abstract void setMaximumResourceCapability(Resource capability);
}
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