hadoop GetNodesToAttributesRequest 源码
haddop GetNodesToAttributesRequest 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/GetNodesToAttributesRequest.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;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.yarn.api.ApplicationClientProtocol;
import org.apache.hadoop.yarn.util.Records;
import java.util.Set;
/**
* <p>
* The request from clients to get nodes to attributes mapping
* in the cluster from the <code>ResourceManager</code>.
* </p>
*
* @see ApplicationClientProtocol#getNodesToAttributes
* (GetNodesToAttributesRequest)
*/
@InterfaceAudience.Public
@InterfaceStability.Evolving
public abstract class GetNodesToAttributesRequest {
public static GetNodesToAttributesRequest newInstance(Set<String> hostNames) {
GetNodesToAttributesRequest request =
Records.newRecord(GetNodesToAttributesRequest.class);
request.setHostNames(hostNames);
return request;
}
/**
* Set hostnames for which mapping is required.
*
* @param hostnames
*/
@InterfaceAudience.Public
@InterfaceStability.Evolving
public abstract void setHostNames(Set<String> hostnames);
/**
* Get hostnames for which mapping is required.
*
* @return Set of hostnames.
*/
@InterfaceAudience.Public
@InterfaceStability.Evolving
public abstract Set<String> getHostNames();
}
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