Java RunActive類代碼示例

import org.objectweb.proactive.RunActive; //導入依賴的package包/類
/**
 * Builds the body object, then fires its service thread
 */
public ActiveBody(ConstructorCall c, String nodeURL, Active activity, MetaObjectFactory factory)
        throws java.lang.reflect.InvocationTargetException, ConstructorCallExecutionFailedException,
        ActiveObjectCreationException {
    // Creates the reified object
    super(c.execute(), nodeURL, activity, factory);

    Object reifiedObject = this.localBodyStrategy.getReifiedObject();

    // when building a component, encapsulate the functional activity
    // TODO_M read some flag before doing this?
    if (getPAComponentImpl() != null) {
        try {
            GCM.getPriorityController(getPAComponentImpl());
            Utils.getPAMembraneController(getPAComponentImpl());
            activity = new ComponentMembraneActivityPriority(activity, reifiedObject);
        } catch (NoSuchInterfaceException nsie1) {
            try {
                GCM.getPriorityController(getPAComponentImpl());
                activity = new ComponentActivityPriority(activity, reifiedObject);
            } catch (NoSuchInterfaceException nsie2) {
                try {
                    Utils.getPAMembraneController(getPAComponentImpl());
                    activity = new ComponentMembraneActivity(activity, reifiedObject);
                } catch (NoSuchInterfaceException nsie3) {
                    activity = new ComponentActivity(activity, reifiedObject);
                }
            }
        }
    }

    // InitActive
    if ((activity != null) && activity instanceof InitActive) {
        this.initActive = (InitActive) activity;
    } else if (reifiedObject instanceof InitActive) {
        this.initActive = (InitActive) reifiedObject;
    }

    // RunActive
    if ((activity != null) && activity instanceof RunActive) {
        this.runActive = (RunActive) activity;
    } else if (reifiedObject instanceof RunActive) {
        this.runActive = (RunActive) reifiedObject;
    } else {
        this.runActive = new FIFORunActive();
    }

    // EndActive
    if ((activity != null) && activity instanceof EndActive) {
        this.endActive = (EndActive) activity;
    } else if (reifiedObject instanceof EndActive) {
        this.endActive = (EndActive) reifiedObject;
    } else {
        this.endActive = null;
    }

    startBody();
}
 

import org.objectweb.proactive.RunActive; //導入依賴的package包/類
/**
 * The method executed by the active thread that will eventually launch the live
 * method of the active object of the default live method of this body.
 */
public void run() {
    // Notify the rmi thread that the body has been registered into
    // the localBodyStore.
    synchronized (this) {
        activityStarted();
        this.notify();
    }

    boolean callTerminate = false;

    // run the activity of the body
    try {

        // execute the initialization if needed. Only once
        if (this.initActive != null) {
            this.initActive.initActivity(this);
            this.initActive = null; // we won't do it again
        }

        /* We may race with a termination request in immediate service */
        RunActive thisRunActive = this.runActive;
        if (thisRunActive != null) {
            thisRunActive.runActivity(this);
        }

        // the body terminate its activity
        if (isActive()) {
            // serve remaining requests if non dead
            for (;;) {
                BlockingRequestQueue queue;
                try {
                    /* We may race with a termination request in immediate service */
                    queue = this.localBodyStrategy.getRequestQueue();
                    if (queue.isEmpty()) {
                        break;
                    }
                } catch (ProActiveRuntimeException pre) {
                    break;
                }
                serve(queue.removeOldest());
            }
        }
    } catch (Exception e) {
        logger.error("Exception occured in runActivity method of body " + toString() +
            ". Now terminating the body", e);
        callTerminate = true;

    } finally {
        // execute the end of activity if not after migration
        if ((!this.hasJustMigrated) && (this.endActive != null)) {
            this.endActive.endActivity(this);
        }
        if (callTerminate) {
            terminate();
        } else if (isActive()) {
            activityStopped(!this.getFuturePool().remainingAC());
        }
    }
}