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/* Copyright (c) 2009 Peter Troshin
*
* JAva Bioinformatics Analysis Web Services (JABAWS) @version: 1.0
*
* This library is free software; you can redistribute it and/or modify it under the terms of the
* Apache License version 2 as published by the Apache Software Foundation
*
* This library 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 Apache
* License for more details.
*
* A copy of the license is in apache_license.txt. It is also available here:
* @see: http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Any republication or derived work distributed in source code form
* must include this copyright and license notice.
*/
package compbio.engine.conf;
import org.apache.log4j.Logger;
import compbio.engine.client.ConfExecutable;
import compbio.engine.client.Executable;
import compbio.engine.client.EngineUtil;
import compbio.util.Util;
public class DirectoryManager {
private static Logger log = Logger.getLogger(DirectoryManager.class);
public static final String DELIM = "#";
public static String getTaskDirectory(Class<?> clazz) {
return clazz.getSimpleName() + DELIM + getNonRepeatableNumber();
}
static long getNonRepeatableNumber() {
// The random value is concatenated with time value not added to it and
// then converted to long.
// Top 3 high order bits are cut and replaced by random number
// to make sure that the resulting number fits into long value
String longNum = new Long(System.nanoTime()).toString();
return Long.parseLong(Util.getRandomNumber(100, 999)
+ longNum.substring(4));
}
public static Class<Executable<?>> getClass(String taskId) {
assert EngineUtil.isValidJobId(taskId);
String className = null;
if (taskId.startsWith(ConfExecutable.CLUSTER_TASK_ID_PREFIX)) {
className = taskId.substring(1, taskId.indexOf(DELIM));
} else {
className = taskId.substring(0, taskId.indexOf(DELIM));
}
try {
return (Class<Executable<?>>) Class.forName(className);
} catch (ClassNotFoundException e) {
log.error("Could not parse taskId " + taskId + " Message " + e.getLocalizedMessage(), e.getCause());
}
return null;
}
}
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