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/*
* Oreka -- A media capture and retrieval platform
*
* Copyright (C) 2005, orecx LLC
*
* http://www.orecx.com
*
* This program is free software, distributed under the terms of
* the GNU General Public License.
* Please refer to http://www.gnu.org/copyleft/gpl.html
*
*/
package net.sf.oreka.orktrack;
import java.util.ArrayList;
import java.util.List;
import net.sf.oreka.Direction;
import net.sf.oreka.HibernateManager;
import net.sf.oreka.persistent.RecProgram;
import net.sf.oreka.persistent.RecSegment;
import org.apache.log4j.Logger;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.Transaction;
public class ProgramManager {
private Logger log = null;
private static ProgramManager programManager = null;
private ArrayList<RecProgram> recPrograms = new ArrayList<RecProgram>();
private ProgramManager() {
log = LogManager.getInstance().getPortLogger();;
}
public static ProgramManager instance() {
if (programManager == null) {
programManager = new ProgramManager();
}
return programManager;
}
public void load() {
Session hbnSession = null;
Transaction tx = null;
try {
hbnSession = HibernateManager.getSession();
tx = hbnSession.beginTransaction();
List progs = hbnSession.createQuery(
"from RecProgram as prg where prg.active=:active and prg.discarded=:discarded")
.setBoolean("active", true)
.setBoolean("discarded", false)
.list();
recPrograms = new ArrayList<RecProgram>(progs);
tx.commit();
}
catch (Exception e) {
log.error("Could not load programs", e);
}
finally {
hbnSession.close();
}
}
public void addProgram(RecProgram prog) {
recPrograms.add(prog);
}
public boolean filterSegmentAgainstAllPrograms(RecSegment seg, Session hbnSession) {
boolean result = false;
// Iterate over programs
ArrayList<RecProgram> progs = recPrograms;
for(int i=0; i<progs.size(); i++) {
if(filterSegmentAgainstProgram(seg, progs.get(i), hbnSession)) {
result = true;
}
}
return result;
}
public boolean filterSegmentAgainstProgram(RecSegment seg, RecProgram prog, Session hbnSession) {
boolean drop = false;
boolean result = false;
if ( prog.getDirection() != Direction.ALL &&
seg.getDirection() != prog.getDirection()) {
drop = true;
}
if ( !drop && prog.getMaxDuration() > 0 &&
(seg.getDuration() > (prog.getMaxDuration()*1000))) {
drop = true;
}
if ( !drop && prog.getMinDuration() > 0 &&
(seg.getDuration() < (prog.getMinDuration()*1000))) {
drop = true;
}
if (!drop && prog.getRandomPercent() != 0.0) {
double randomNumber = java.lang.Math.random();
if (randomNumber > prog.getRandomPercent()) {
drop = true;
}
}
if ( !drop && prog.getLocalParty().length() > 0 &&
(!seg.getLocalParty().equals(prog.getLocalParty())) ) {
drop = true;
}
if ( !drop && prog.getRemoteParty().length() > 0 &&
(!seg.getRemoteParty().equals(prog.getRemoteParty())) ) {
drop = true;
}
if ( !drop &&
(prog.getTargetUser() != null) &&
(seg.getUser().getId() != prog.getTargetUser().getId()) ) {
drop = true;
}
if ( !drop &&
(prog.getTargetPort() != null) &&
(seg.getPort().getId() != prog.getTargetPort().getId()) ) {
drop = true;
}
if ( !drop &&
prog.getRecordedSoFar() < prog.getRecPerCycle() )
drop = true;
if(drop == false) {
// All criteria have passed, the segment is accepted by the program
prog.setRecordedSoFar(prog.getRecordedSoFar() + 1);
hbnSession.update(prog);
seg.getRecPrograms().add(prog);
result = true;
}
return result;
}
public void filterTime() {
;
}
}
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