hadoop WorkReport 源码
haddop WorkReport 代码
文件路径：/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/util/WorkReport.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.tools.util;
/**
* WorkReport{@literal <T>} is a simple container for items of class T and its
* corresponding retry counter that indicates how many times this item
* was previously attempted to be processed.
*/
public class WorkReport<T> {
private T item;
private final boolean success;
private final int retry;
private final Exception exception;
/**
* @param item Object representing work report.
* @param retry Number of unsuccessful attempts to process work.
* @param success Indicates whether work was successfully completed.
*/
public WorkReport(T item, int retry, boolean success) {
this(item, retry, success, null);
}
/**
* @param item Object representing work report.
* @param retry Number of unsuccessful attempts to process work.
* @param success Indicates whether work was successfully completed.
* @param exception Exception thrown while processing work.
*/
public WorkReport(T item, int retry, boolean success, Exception exception) {
this.item = item;
this.retry = retry;
this.success = success;
this.exception = exception;
}
public T getItem() {
return item;
}
/**
* @return True if the work was processed successfully.
*/
public boolean getSuccess() {
return success;
}
/**
* @return Number of unsuccessful attempts to process work.
*/
public int getRetry() {
return retry;
}
/**
* @return Exception thrown while processing work.
*/
public Exception getException() {
return exception;
}
}
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