/*
* 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.flume.sink.hdfs;
import java.io.IOException;
import java.net.URI;
import org.apache.hadoop.fs.FSDataInputStream;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.util.Progressable;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class MockFileSystem extends FileSystem {
private static final Logger logger =
LoggerFactory.getLogger(MockFileSystem.class);
FileSystem fs;
int numberOfRetriesRequired;
MockFsDataOutputStream latestOutputStream;
int currentRenameAttempts;
boolean closeSucceed = true;
public MockFileSystem(FileSystem fs, int numberOfRetriesRequired) {
this.fs = fs;
this.numberOfRetriesRequired = numberOfRetriesRequired;
}
public MockFileSystem(FileSystem fs,
int numberOfRetriesRequired, boolean closeSucceed) {
this.fs = fs;
this.numberOfRetriesRequired = numberOfRetriesRequired;
this.closeSucceed = closeSucceed;
}
@Override
public FSDataOutputStream append(Path arg0, int arg1, Progressable arg2)
throws IOException {
latestOutputStream = new MockFsDataOutputStream(
fs.append(arg0, arg1, arg2), closeSucceed);
return latestOutputStream;
}
@Override
public FSDataOutputStream create(Path arg0) throws IOException {
latestOutputStream = new MockFsDataOutputStream(fs.create(arg0), closeSucceed);
return latestOutputStream;
}
@Override
public FSDataOutputStream create(Path arg0, FsPermission arg1, boolean arg2, int arg3,
short arg4, long arg5, Progressable arg6)
throws IOException {
throw new IOException("Not a real file system");
}
@Override
@Deprecated
public boolean delete(Path arg0) throws IOException {
return fs.delete(arg0);
}
@Override
public boolean delete(Path arg0, boolean arg1) throws IOException {
return fs.delete(arg0, arg1);
}
@Override
public FileStatus getFileStatus(Path arg0) throws IOException {
return fs.getFileStatus(arg0);
}
@Override
public URI getUri() {
return fs.getUri();
}
@Override
public Path getWorkingDirectory() {
return fs.getWorkingDirectory();
}
@Override
public FileStatus[] listStatus(Path arg0) throws IOException {
return fs.listStatus(arg0);
}
@Override
public boolean mkdirs(Path arg0, FsPermission arg1) throws IOException {
// TODO Auto-generated method stub
return fs.mkdirs(arg0, arg1);
}
@Override
public FSDataInputStream open(Path arg0, int arg1) throws IOException {
return fs.open(arg0, arg1);
}
@Override
public boolean rename(Path arg0, Path arg1) throws IOException {
currentRenameAttempts++;
logger.info("Attempting to Rename: '" + currentRenameAttempts + "' of '" +
numberOfRetriesRequired + "'");
if (currentRenameAttempts >= numberOfRetriesRequired || numberOfRetriesRequired == 0) {
logger.info("Renaming file");
return fs.rename(arg0, arg1);
} else {
throw new IOException("MockIOException");
}
}
@Override
public void setWorkingDirectory(Path arg0) {
fs.setWorkingDirectory(arg0);
}
}