hadoop MarkerToolOperationsImpl 源码
haddop MarkerToolOperationsImpl 代码
文件路径：/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/tools/MarkerToolOperationsImpl.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.s3a.tools;
import java.io.IOException;
import java.util.List;
import com.amazonaws.AmazonClientException;
import com.amazonaws.services.s3.model.DeleteObjectsRequest;
import com.amazonaws.services.s3.model.MultiObjectDeleteException;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.RemoteIterator;
import org.apache.hadoop.fs.s3a.S3AFileStatus;
import org.apache.hadoop.fs.s3a.impl.OperationCallbacks;
/**
* Implement the marker tool operations by forwarding to the
* {@link OperationCallbacks} instance provided in the constructor.
*/
public class MarkerToolOperationsImpl implements MarkerToolOperations {
private final OperationCallbacks operationCallbacks;
/**
* Constructor.
* @param operations implementation of the operations
*/
public MarkerToolOperationsImpl(final OperationCallbacks operations) {
this.operationCallbacks = operations;
}
@Override
public RemoteIterator<S3AFileStatus> listObjects(final Path path,
final String key)
throws IOException {
return operationCallbacks.listObjects(path, key);
}
@Override
public void removeKeys(
final List<DeleteObjectsRequest.KeyVersion> keysToDelete,
final boolean deleteFakeDir)
throws MultiObjectDeleteException, AmazonClientException, IOException {
operationCallbacks.removeKeys(keysToDelete, deleteFakeDir
);
}
}
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