hadoop IdentityTransformerInterface 源码
haddop IdentityTransformerInterface 代码
文件路径：/hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/oauth2/IdentityTransformerInterface.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.oauth2;
import java.io.IOException;
import java.util.List;
import org.apache.hadoop.fs.permission.AclEntry;
/**
* {@code IdentityTransformerInterface} defines the set of translation
* operations that any identity transformer implementation must provide.
*/
public interface IdentityTransformerInterface {
/**
* Perform identity transformation for the Get request.
* @param originalIdentity the original user or group in the get request.
* @param isUserName indicate whether the input originalIdentity is an owner name or owning group name.
* @param localIdentity the local user or group, should be parsed from UserGroupInformation.
* @return owner or group after transformation.
*/
String transformIdentityForGetRequest(String originalIdentity, boolean isUserName, String localIdentity)
throws IOException;
/**
* Perform Identity transformation when setting owner on a path.
* @param userOrGroup the user or group to be set as owner.
* @return user or group after transformation.
*/
String transformUserOrGroupForSetRequest(String userOrGroup);
/**
* Perform Identity transformation when calling setAcl(),removeAclEntries() and modifyAclEntries().
* @param aclEntries list of AclEntry.
*/
void transformAclEntriesForSetRequest(final List<AclEntry> aclEntries);
/**
* Perform Identity transformation when calling GetAclStatus().
* @param aclEntries list of AclEntry.
* @param localUser local user name.
* @param localGroup local primary group.
*/
void transformAclEntriesForGetRequest(final List<AclEntry> aclEntries, String localUser, String localGroup)
throws IOException;
}
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