hadoop SASKeyGeneratorInterface 源码
haddop SASKeyGeneratorInterface 代码
文件路径：/hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azure/SASKeyGeneratorInterface.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.azure;
import java.net.URI;
/**
* Iterface used by AzureNativeFileSysteStore to retrieve SAS Keys for the
* respective azure storage entity. This interface is expected to be
* implemented in two modes:
* 1) Local Mode: In this mode SAS Keys are generated
* in same address space as the WASB. This will be primarily used for
* testing purposes.
* 2) Remote Mode: In this mode SAS Keys are generated in a sepearte process
* other than WASB and will be communicated via client.
*/
public interface SASKeyGeneratorInterface {
/**
* Interface method to retrieve SAS Key for a container within the storage
* account.
*
* @param accountName
* - Storage account name
* @param container
* - Container name within the storage account.
* @return SAS URI for the container.
* @throws SASKeyGenerationException Exception that gets thrown during
* generation of SAS Key.
*/
URI getContainerSASUri(String accountName, String container)
throws SASKeyGenerationException;
/**
* Interface method to retrieve SAS Key for a blob within the container of the
* storage account.
*
* @param accountName
* - Storage account name
* @param container
* - Container name within the storage account.
* @param relativePath
* - Relative path within the container
* @return SAS URI for the relative path blob.
* @throws SASKeyGenerationException Exception that gets thrown during
* generation of SAS Key.
*/
URI getRelativeBlobSASUri(String accountName, String container,
String relativePath) throws SASKeyGenerationException;
}
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