hadoop AbfsDelegationTokenIdentifier 源码
haddop AbfsDelegationTokenIdentifier 代码
文件路径：/hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/security/AbfsDelegationTokenIdentifier.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.fs.azurebfs.security;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.security.token.delegation.web.DelegationTokenIdentifier;
/**
* Delegation token Identifier for ABFS delegation tokens.
* The token kind from {@link #getKind()} is {@link #TOKEN_KIND}, always.
*
* Subclasses have to very careful when looking up tokens (which will of
* course be registered in the credentials as of this kind), in case the
* incoming credentials are actually of a different subtype.
*/
public class AbfsDelegationTokenIdentifier extends DelegationTokenIdentifier {
/**
* The token kind of these tokens: ""ABFS delegation".
*/
public static final Text TOKEN_KIND = new Text("ABFS delegation");
public AbfsDelegationTokenIdentifier(){
super(TOKEN_KIND);
}
public AbfsDelegationTokenIdentifier(Text kind) {
super(kind);
}
public AbfsDelegationTokenIdentifier(Text kind, Text owner, Text renewer,
Text realUser) {
super(kind, owner, renewer, realUser);
}
/**
* Get the token kind.
* Returns {@link #TOKEN_KIND} always.
* If a subclass does not want its renew/cancel process to be managed
* by {@link AbfsDelegationTokenManager}, this must be overridden.
* @return the kind of the token.
*/
@Override
public Text getKind() {
return TOKEN_KIND;
}
}
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