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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.HashMap;
import java.util.Iterator;
import java.util.List;
import net.sf.oreka.persistent.RecPort;
import net.sf.oreka.persistent.RecPortFace;
import net.sf.oreka.persistent.Service;
import org.apache.log4j.Logger;
import org.hibernate.Session;
import org.hibernate.Transaction;
/** Singleton class that manages activity on all capture ports */
public class PortManager {
HashMap<Integer, Port> portById = new HashMap<Integer, Port>();
HashMap<String, Port> portByName = new HashMap<String, Port>();
static Logger logger = Logger.getLogger(PortManager.class);
static PortManager portManager = null;
private PortManager () {
}
public static PortManager instance() {
if (portManager == null) {
portManager = new PortManager();
}
return portManager;
}
public Port getPort(String name) {
return portByName.get(name);
}
public Port getAndCreatePort(String name, Session hbnSession, Service service) {
Port port = portByName.get(name);
if (port == null) {
port = createPort(name, hbnSession, service);
}
return port;
}
public synchronized Port createPort(String name, Session hbnSession, Service service) {
RecPort recPort = null;
RecPortFace portFace = (RecPortFace)hbnSession.get(RecPortFace.class, name);
if (portFace == null) {
portFace = new RecPortFace();
portFace.setName(name);
portFace.setRecPort(recPort);
portFace.setService(service);
recPort = new RecPort();
portFace.setRecPort(recPort);
}
else {
portFace.setRecPort(recPort);
portFace.setService(service);
recPort = portFace.getRecPort();
}
hbnSession.save(recPort);
hbnSession.save(portFace);
logger.info("created port:" + recPort.getId() + " with face:" + name);
Port port = new Port(recPort);
port.portFaces.add(portFace);
portById.put(recPort.getId(), port);
portByName.put(portFace.getName(), port);
return port;
}
// for testing purposes
public void addPort(String face1, String face2, Session hbnSession) {
RecPort recPort = new RecPort();
Port port = new Port(recPort);
RecPortFace portFace1 = new RecPortFace();
portFace1.setName(face1);
portFace1.setRecPort(recPort);
RecPortFace portFace2 = new RecPortFace();
portFace2.setName(face2);
portFace2.setRecPort(recPort);
hbnSession.save(recPort);
hbnSession.save(portFace1);
hbnSession.save(portFace2);
port.portFaces.add(portFace1);
port.portFaces.add(portFace2);
portByName.put(face1, port);
portByName.put(face2, port);
portById.put(1, port);
}
public boolean initialize() {
Session hbnSession = null;
boolean success = false;
try {
hbnSession = OrkTrack.hibernateManager.getSession();
Transaction tx = hbnSession.beginTransaction();
Iterator portFaces = hbnSession.createQuery(
"from RecPortFace")
.list()
.iterator();
while ( portFaces.hasNext() ) {
RecPortFace portFace = (RecPortFace)portFaces.next();
int portId = portFace.getRecPort().getId();
Port port = portById.get(portId);
if(port == null) {
RecPort recPort = (RecPort)hbnSession.get(RecPort.class, portId);
if (recPort != null) {
port = new Port(recPort);
portById.put(portId, port);
}
}
port.portFaces.add(portFace);
portByName.put(portFace.getName(), port);
}
tx.commit();
success = true;
}
catch (Exception e) {
logger.error("initialize: exception:" + e.getClass().getName());
}
finally {
if(hbnSession != null) {hbnSession.close();}
}
return success;
}
public RecPort getRecPortByFace(String face, Session hbnSession) {
RecPort port = null;
List ports = hbnSession.createQuery(
"from RecPortFace as pf join pf.recPort as p where pf.name=:face")
.setString("face", face)
.list();
if (ports.size() > 0) {
Object[] row = (Object[])ports.get(0);
if (row.length > 1) {
port = (RecPort)row[1];
}
}
return port;
}
}
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