hadoop CopyOutcome 源码
haddop CopyOutcome 代码
文件路径：/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/impl/CopyOutcome.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.impl;
import com.amazonaws.SdkBaseException;
import com.amazonaws.services.s3.transfer.Copy;
import com.amazonaws.services.s3.transfer.model.CopyResult;
/**
* Extracts the outcome of a TransferManager-executed copy operation.
*/
public final class CopyOutcome {
/**
* Result of a successful copy.
*/
private final CopyResult copyResult;
/** the copy was interrupted. */
private final InterruptedException interruptedException;
/**
* The copy raised an AWS Exception of some form.
*/
private final SdkBaseException awsException;
public CopyOutcome(CopyResult copyResult,
InterruptedException interruptedException,
SdkBaseException awsException) {
this.copyResult = copyResult;
this.interruptedException = interruptedException;
this.awsException = awsException;
}
public CopyResult getCopyResult() {
return copyResult;
}
public InterruptedException getInterruptedException() {
return interruptedException;
}
public SdkBaseException getAwsException() {
return awsException;
}
/**
* Calls {@code Copy.waitForCopyResult()} to await the result, converts
* it to a copy outcome.
* Exceptions caught and
* @param copy the copy operation.
* @return the outcome.
*/
public static CopyOutcome waitForCopy(Copy copy) {
try {
CopyResult result = copy.waitForCopyResult();
return new CopyOutcome(result, null, null);
} catch (SdkBaseException e) {
return new CopyOutcome(null, null, e);
} catch (InterruptedException e) {
return new CopyOutcome(null, e, null);
}
}
}
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