hadoop GetDelegationTokenResponse 源码
haddop GetDelegationTokenResponse 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/GetDelegationTokenResponse.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.security.token.delegation.AbstractDelegationTokenIdentifier;
import org.apache.hadoop.yarn.api.records.Token;
import org.apache.hadoop.yarn.util.Records;
/**
* Response to a {@link GetDelegationTokenRequest} request
* from the client. The response contains the token that
* can be used by the containers to talk to ClientRMService.
*
*/
@Public
@Stable
public abstract class GetDelegationTokenResponse {
@Private
@Unstable
public static GetDelegationTokenResponse newInstance(Token rmDTToken) {
GetDelegationTokenResponse response =
Records.newRecord(GetDelegationTokenResponse.class);
response.setRMDelegationToken(rmDTToken);
return response;
}
/**
* The Delegation tokens have a identifier which maps to
* {@link AbstractDelegationTokenIdentifier}.
* @return the delegation tokens
*/
@Public
@Stable
public abstract Token getRMDelegationToken();
@Private
@Unstable
public abstract void setRMDelegationToken(Token rmDTToken);
}
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