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package org.glassfish.flashlight.provider;
import java.util.Collection;
import java.util.ArrayList;
import org.glassfish.flashlight.provider.FlashlightProbe;
import org.glassfish.flashlight.impl.core.*;
import org.jvnet.hk2.annotations.Scoped;
import org.jvnet.hk2.annotations.Service;
import org.jvnet.hk2.component.Singleton;
import java.util.concurrent.ConcurrentHashMap;
/**
* @author Mahesh Kannan
* Date: Jul 20, 2008
*/
@Service
@Scoped(Singleton.class)
public class ProbeRegistry {
private static ProbeRegistry _me = new ProbeRegistry();
private static ConcurrentHashMap<Integer, FlashlightProbe> probeMap =
new ConcurrentHashMap<Integer, FlashlightProbe>();
private static ConcurrentHashMap<String, FlashlightProbe> probeDesc2ProbeMap =
new ConcurrentHashMap<String, FlashlightProbe>();
public static ProbeRegistry getInstance() {
return _me;
}
// bnevins -- todo this is a huge concurrency bug!
// why is it even here?!?
// @deprecated
@Deprecated
public static ProbeRegistry createInstance() {
if (_me == null) {
_me = new ProbeRegistry();
}
return _me;
}
public static void cleanup() {
if (_me != null) {
_me = new ProbeRegistry();
}
ProbeProviderRegistry.cleanup();
}
public void registerProbe(FlashlightProbe probe) {
probeMap.put(probe.getId(), probe);
probeDesc2ProbeMap.put(probe.getProbeDesc(), probe);
//System.out.println("[FL]Registered probe : " + probe.getProbeStr());
}
public void unregisterProbe(FlashlightProbe probe) {
probeDesc2ProbeMap.remove(probe.getProbeDesc());
probeMap.remove(probe.getId());
}
public void unregisterProbe(int id) {
probeMap.remove(id);
}
public FlashlightProbe getProbe(int id) {
return probeMap.get(id);
}
public FlashlightProbe getProbe(String probeStr) {
//System.out.println("[FL]Get probe : " + probeStr);
return probeDesc2ProbeMap.get(probeStr);
}
public static FlashlightProbe getProbeById(int id) {
return _me.getProbe(id);
}
public Collection<FlashlightProbe> getAllProbes() {
Collection<FlashlightProbe> allProbes = probeMap.values();
Collection<FlashlightProbe> visibleProbes = new ArrayList<FlashlightProbe>();
for (FlashlightProbe probe : allProbes) {
if (!probe.isHidden())
visibleProbes.add(probe);
}
return visibleProbes;
}
public static void invokeProbe(int id, Object[] args) {
FlashlightProbe probe = probeMap.get(id);
if (probe != null) {
probe.fireProbe(args);
}
}
}