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ProfilingPointServerHandler.java

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package org.netbeans.lib.profiler.global;

import org.netbeans.lib.profiler.server.ProfilerRuntime;
import org.netbeans.lib.profiler.server.system.Timers;
import java.lang.reflect.Method;


/**
 * Base class for custom profiling point server handlers. Default implementation just writes timestamped
 * event to the event buffer to be later processed by the client executor. Handlers are expected to be
 * singletons accessible via static getInstance() method.
 *
 * @author Tomas Hurka
 * @author Maros Sandor
 */
00056 public class ProfilingPointServerHandler {
    //~ Static fields/initializers -----------------------------------------------------------------------------------------------

    private static ProfilingPointServerHandler instance;

    //~ Methods ------------------------------------------------------------------------------------------------------------------

    public static synchronized ProfilingPointServerHandler getInstance(String clientInfo) {
        if (instance == null) {
            instance = new ProfilingPointServerHandler();
        }

        return instance;
    }

    public static synchronized ProfilingPointServerHandler[] getInstances(String[] handlerClassNames, String[] handlersInfo) {
        ProfilingPointServerHandler[] profilingPointHandlers = new ProfilingPointServerHandler[handlerClassNames.length];

        for (int i = 0; i < handlerClassNames.length; i++) {
            try {
                Method method = Class.forName(handlerClassNames[i]).getMethod("getInstance", new Class[] { String.class }); //NOI18N
                profilingPointHandlers[i] = (ProfilingPointServerHandler) method.invoke(null, new Object[] { handlersInfo[i] });
            } catch (Exception e) {
                e.printStackTrace(System.err);
            }
        }

        return profilingPointHandlers;
    }

    /**
     * Invoked by the JFluid server whan the profiling point hits.
     *
     * @param id unique ID of the profiling point
     */
00091     public void profilingPointHit(int id) {
        long absTimeStamp = Timers.getCurrentTimeInCounts();
        profilingPointHit(id, absTimeStamp);
    }

    /**
     * Invoked by the JFluid server whan the profiling point hits.
     *
     * @param id unique ID of the profiling point
     */
00101     public void profilingPointHit(int id, long absTimeStamp) {
        ProfilerRuntime.writeProfilingPointHitEvent(id, absTimeStamp);
    }
}

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