Delete a file for HDFS-5236.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-4949@1525184 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Andrew Wang 2013-09-21 00:22:02 +00:00
parent a0d9a155a4
commit 552e081a07
1 changed files with 0 additions and 53 deletions

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/**
* 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.util;
import java.io.IOException;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
/**
* Contains either a value of type T, or an IOException.
*
* This can be useful as a return value for batch APIs that need granular
* error reporting.
*/
@InterfaceAudience.LimitedPrivate({"HDFS"})
@InterfaceStability.Unstable
public class Fallible<T> {
private final T val;
private final IOException ioe;
public Fallible(T val) {
this.val = val;
this.ioe = null;
}
public Fallible(IOException ioe) {
this.val = null;
this.ioe = ioe;
}
public T get() throws IOException {
if (ioe != null) {
throw new IOException(ioe);
}
return this.val;
}
}