/*
* Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 David Berkman
*
* This file is part of the SmallMind Code Project.
*
* The SmallMind Code Project is free software, you can redistribute
* it and/or modify it under either, at your discretion...
*
* 1) The terms of GNU Affero General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* ...or...
*
* 2) The terms of the Apache License, Version 2.0.
*
* The SmallMind Code Project is distributed in the hope that it will
* be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License or Apache License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* and the Apache License along with the SmallMind Code Project. If not, see
* <http://www.gnu.org/licenses/> or <http://www.apache.org/licenses/LICENSE-2.0>.
*
* Additional permission under the GNU Affero GPL version 3 section 7
* ------------------------------------------------------------------
* If you modify this Program, or any covered work, by linking or
* combining it with other code, such other code is not for that reason
* alone subject to any of the requirements of the GNU Affero GPL
* version 3.
*/
package org.smallmind.nutsnbolts.io;
import java.io.File;
import java.io.FileFilter;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
public class FileProcessorGopher implements Runnable {
private CountDownLatch terminationLatch;
private CountDownLatch exitLatch;
private FileProcessorQueue fileProcessorQueue;
private File directory;
private FileFilter fileFilter;
private TimeUnit timeUnit;
private long pulse;
public FileProcessorGopher (FileProcessorQueue fileProcessorQueue, File directory, FileFilter fileFilter, long pulse, TimeUnit timeUnit) {
this.fileProcessorQueue = fileProcessorQueue;
this.directory = directory;
this.fileFilter = fileFilter;
this.pulse = pulse;
this.timeUnit = timeUnit;
terminationLatch = new CountDownLatch(1);
exitLatch = new CountDownLatch(1);
}
public void finish ()
throws InterruptedException {
terminationLatch.countDown();
exitLatch.await();
}
public void run () {
try {
do {
for (File file : new FileIterable(directory, fileFilter)) {
fileProcessorQueue.push(file);
}
} while (!terminationLatch.await(pulse, timeUnit));
}
catch (InterruptedException interruptedException) {
terminationLatch.countDown();
}
finally {
exitLatch.countDown();
}
}
}