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package org.glassfish.external.probe.provider;
import java.util.ArrayList;
/**
*
* @author abbagani
*/
public class StatsProviderManager {
private StatsProviderManager(){
}
public static boolean register(String configElement, PluginPoint pp,
String subTreeRoot, Object statsProvider) {
return (register(pp, configElement, subTreeRoot, statsProvider, null));
}
public static boolean register(PluginPoint pp, String configElement,
String subTreeRoot, Object statsProvider,
String invokerId) {
StatsProviderInfo spInfo =
new StatsProviderInfo(configElement, pp, subTreeRoot, statsProvider, invokerId);
return registerStatsProvider(spInfo);
}
public static boolean register(String configElement, PluginPoint pp,
String subTreeRoot, Object statsProvider,
String configLevelStr) {
return(register(configElement, pp, subTreeRoot, statsProvider, configLevelStr, null));
}
public static boolean register(String configElement, PluginPoint pp,
String subTreeRoot, Object statsProvider,
String configLevelStr, String invokerId) {
StatsProviderInfo spInfo =
new StatsProviderInfo(configElement, pp, subTreeRoot, statsProvider, invokerId);
spInfo.setConfigLevel(configLevelStr);
return registerStatsProvider(spInfo);
}
private synchronized static boolean registerStatsProvider(StatsProviderInfo spInfo) {
//Ideally want to start this in a thread, so we can reduce the startup time
if (spmd == null) {
//Make an entry into the toBeRegistered map
toBeRegistered.add(spInfo);
} else {
spmd.register(spInfo);
return true;
}
return false;
}
public synchronized static boolean unregister(Object statsProvider) {
//Unregister the statsProvider if the delegate is not null
if (spmd == null) {
for (StatsProviderInfo spInfo : toBeRegistered) {
if (spInfo.getStatsProvider() == statsProvider) {
toBeRegistered.remove(spInfo);
break;
}
}
} else {
spmd.unregister(statsProvider);
return true;
}
return false;
}
public static boolean hasListeners(String probeStr) {
//See if the probe has any listeners registered
if (spmd == null) {
return false;
} else {
return spmd.hasListeners(probeStr);
}
}
public synchronized static void setStatsProviderManagerDelegate(
StatsProviderManagerDelegate lspmd) {
if (lspmd == null) {
//Should log and throw an exception
return;
}
//Assign the Delegate
spmd = lspmd;
//First register the pending StatsProviderRegistryElements
for (StatsProviderInfo spInfo : toBeRegistered) {
spmd.register(spInfo);
}
//Now that you registered the pending calls, Clear the toBeRegistered store
toBeRegistered.clear();
}
static StatsProviderManagerDelegate spmd; // populate this during our initilaization process
private static ArrayList toBeRegistered = new ArrayList();
}
