Example usage for org.aspectj.lang ProceedingJoinPoint proceed

List of usage examples for org.aspectj.lang ProceedingJoinPoint proceed

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Introduction

In this page you can find the example usage for org.aspectj.lang ProceedingJoinPoint proceed.

Prototype

public Object proceed() throws Throwable;

Source Link

Document

Proceed with the next advice or target method invocation

Usage

From source file:at.ac.tuwien.infosys.jcloudscale.aspects.CloudObjectAspect.java

License:Apache License

@Around("call(* java.lang.reflect.Constructor.newInstance(..)) && target(constructor)")
public Object createNewCloudObjectViaReflection(ProceedingJoinPoint pjp, Object constructor) throws Throwable {

    // check if we are running in a server context
    if (JCloudScaleConfiguration.isServerContext())
        return pjp.proceed();

    Constructor<?> constr = (Constructor<?>) constructor;
    Class<?> coType = constr.getDeclaringClass();

    // check if we are constructing some other object
    if (!coType.isAnnotationPresent(CloudObject.class))
        return pjp.proceed();

    // check if this is already a CGLib modified class
    if (CgLibUtil.isCGLibEnhancedClass(coType))
        return pjp.proceed();

    // everything checked, we should intercept this reflection call
    return deployCloudObject(coType, pjp.getArgs(), constr);

}

From source file:at.ac.tuwien.infosys.jcloudscale.aspects.CloudObjectAspect.java

License:Apache License

@Around("target(object) && "
        + "(get(!@at.ac.tuwien.infosys.jcloudscale.annotations.Local * @at.ac.tuwien.infosys.jcloudscale.annotations.CloudObject *.*) || "
        + " get(!@at.ac.tuwien.infosys.jcloudscale.annotations.Local * @at.ac.tuwien.infosys.jcloudscale.annotations.CloudObjectParent *.*))")
public Object getCloudObjectField(Object object, ProceedingJoinPoint pjp) throws Throwable {

    // //from  w  w  w.j a v  a 2 s. c  om

    if (JCloudScaleConfiguration.isServerContext())
        return pjp.proceed();

    UUID id = CloudObjects.getId(object);

    if (id == null) {
        // maybe we are just working on a cloudobjectparent that is not actually a cloud object
        return pjp.proceed();
    }

    FieldSignature sig = (FieldSignature) pjp.getSignature();
    Field field = sig.getField();

    return getFieldValue(id, field);

}

From source file:at.ac.tuwien.infosys.jcloudscale.aspects.CloudObjectAspect.java

License:Apache License

@Around("call(* java.lang.reflect.Field.get(..)) && target(field)")
public Object getCloudObjectFieldViaReflection(ProceedingJoinPoint pjp, Field field) throws Throwable {

    // check if we are running in a server context
    if (JCloudScaleConfiguration.isServerContext())
        return pjp.proceed();

    // check if this field is @local
    if (field.getAnnotation(Local.class) != null)
        return pjp.proceed();

    Field theField = field;/*from   ww  w . j  a  v a2 s  .  co  m*/
    Object arg = pjp.getArgs()[0];

    if (arg == null) {
        // we are getting a static field
        return pjp.proceed();
    }

    UUID id = CloudObjects.getId(arg);

    // check if we are intercepting a class we are not interested in
    if (!isCloudObjectOrParent(theField.getDeclaringClass()))
        return pjp.proceed();

    return getFieldValue(id, theField);

}

From source file:at.ac.tuwien.infosys.jcloudscale.aspects.CloudObjectAspect.java

License:Apache License

@Around("target(object) && args(val) && "
        + "(set(!@at.ac.tuwien.infosys.jcloudscale.annotations.Local * @at.ac.tuwien.infosys.jcloudscale.annotations.CloudObject *.*) || "
        + " set(!@at.ac.tuwien.infosys.jcloudscale.annotations.Local * @at.ac.tuwien.infosys.jcloudscale.annotations.CloudObjectParent *.*))")
public void setCloudObjectField(Object object, Object val, ProceedingJoinPoint pjp) throws Throwable {

    if (JCloudScaleConfiguration.isServerContext()) {
        pjp.proceed();
        return;//  www  . j a  v  a  2s. co m
    }

    UUID id = CloudObjects.getId(object);

    if (id == null) {
        // maybe we are just working on a cloudobjectparent that is not actually a cloud object
        pjp.proceed();
        return;
    }

    if (CloudObjects.isDestroyed(id)) {
        // throw new JCloudScaleException("Field access on already destroyed CloudObject!");
        // this case happens during regular object construction - just proceed
        pjp.proceed();
        return;
    }

    FieldSignature sig = (FieldSignature) pjp.getSignature();
    Field field = sig.getField();

    setFieldValue(id, field, val);

}

From source file:at.ac.tuwien.infosys.jcloudscale.aspects.CloudObjectAspect.java

License:Apache License

@Around("call(* java.lang.reflect.Field.set(..)) && target(field)")
public void setCloudObjectFieldViaReflection(ProceedingJoinPoint pjp, Field field) throws Throwable {

    // check if we are running in a server context
    if (JCloudScaleConfiguration.isServerContext()) {
        pjp.proceed();
        return;/*from w  w w .  j av  a  2s .c  o  m*/
    }

    Field theField = field;

    // check if this field is @local
    if (field.getAnnotation(Local.class) != null) {
        pjp.proceed();
        return;
    }

    // check if we are intercepting a class we are not interested in
    if (!isCloudObjectOrParent(theField.getDeclaringClass())) {
        pjp.proceed();
        return;
    }

    Object arg = pjp.getArgs()[0];
    Object val = pjp.getArgs()[1];

    if (arg == null) {
        // we are setting a static field
        pjp.proceed();
        return;
    }

    UUID id = CloudObjects.getId(arg);

    setFieldValue(id, theField, val);

}

From source file:at.ac.tuwien.infosys.jcloudscale.logging.RemoteObjectLoggingAspect.java

License:Apache License

@Around("call(void at.ac.tuwien.infosys.jcloudscale.management.CloudManager.destructCloudObject(..)) && target(manager)")
public void logObjectDestructed(ProceedingJoinPoint jp, CloudManager manager) throws Throwable {

    UUID coId = (UUID) jp.getArgs()[0];
    String address = manager.getHost(coId).getIpAddress();

    jp.proceed();

    log.info(String.format(// www  .  ja  v  a  2s  . c o  m
            "Destructed cloud object with id %s on host %s. We now manage %d cloud objects on %d hosts.",
            coId.toString(), address, manager.countCloudObjects(), manager.countVirtualMachines()));

}

From source file:at.ac.tuwien.infosys.jcloudscale.logging.RemoteObjectLoggingAspect.java

License:Apache License

@Around("execution(Object at.ac.tuwien.infosys.jcloudscale.management.CloudManager.invokeCloudObject(..)) && target(manager) && args(*, method, *, *)")
public Object logInvokedCloudObject(ProceedingJoinPoint jp, CloudManager manager, Method method)
        throws Throwable {

    UUID coId = (UUID) jp.getArgs()[0];
    //      Object[] args = (Object[])jp.getArgs()[2];
    String address = coId == null ? null : manager.getHost(coId).getIpAddress();
    String methodName = method.getName();

    long before = System.currentTimeMillis();
    Object ret = jp.proceed();
    long after = System.currentTimeMillis();

    //      log.info(String.format("Invoked method %s of cloud object %s with parameters %s on host %s. Result= %s Invocation took %d ms.",
    //            methodName,
    //            coId.toString(),
    //            Arrays.toString(args),
    //            address,
    //            ret,
    //            (after - before)
    //      ));/*  w w  w.  j  ava 2s.  c  o  m*/

    log.info(String.format("Invoked method %s of cloud object %s on host %s. Invocation took %d ms.",
            methodName, coId, address, (after - before)));

    return ret;
}

From source file:at.ac.tuwien.infosys.jcloudscale.logging.RemoteObjectLoggingAspect.java

License:Apache License

@Around("call(at.ac.tuwien.infosys.jcloudscale.vm.IVirtualHost at.ac.tuwien.infosys.jcloudscale.vm.VirtualHostPool.findFreeHost(..))")
public IVirtualHost logSelectedCloudHost(ProceedingJoinPoint jp) throws Throwable {

    long before = System.currentTimeMillis();
    IVirtualHost ret = (IVirtualHost) jp.proceed();
    long after = System.currentTimeMillis();

    log.info(String.format("Finding a suitable host took %d ms in total.", (after - before)));

    return ret;/*w  ww .j  a v a  2  s  .c o m*/

}

From source file:at.ac.tuwien.infosys.jcloudscale.logging.RemoteObjectLoggingAspect.java

License:Apache License

@Around("execution(void at.ac.tuwien.infosys.jcloudscale.management.JCloudScaleReferenceCallbackListener.MessageHandler.executeCallback(..)) && args(callback)")
public void referenceHandlerInvoked(ProceedingJoinPoint jp, StartCallbackObject callback) throws Throwable {

    log.info(String.format("Starting to execute callback of reference object %s (method %s)",
            callback.getRef().getReferenceObjectId().toString(), callback.getMethod()));

    jp.proceed();

    log.info("Finished callback on client side");

}

From source file:at.ac.tuwien.infosys.jcloudscale.server.aspects.eventing.ObjectLifecycleEventAspect.java

License:Apache License

@Around("execution(public void at.ac.tuwien.infosys.jcloudscale.server.JCloudScaleServer.destroyCloudObject(..))")
public void matchObjectDestroyed(ProceedingJoinPoint pjp) throws Throwable {

    Class<?> cloudObjectType = null;
    JCloudScaleServer server = null;//from   www . j av  a  2  s  .com
    UUID cloudObjectId = null;
    try {
        server = (JCloudScaleServer) pjp.getThis();
        cloudObjectId = UUID.fromString((String) (pjp.getArgs()[0]));

        Object cloudObject = server.getCloudObject(cloudObjectId);
        if (cloudObject != null)
            cloudObjectType = cloudObject.getClass();
    } catch (Exception e) {
        e.printStackTrace();
        log.severe("Error while triggering ObjectDestroyedEvent: " + e.getMessage());
    }

    pjp.proceed();

    try {
        ObjectDestroyedEvent event = new ObjectDestroyedEvent();
        initializeBaseEventProperties(event);
        // XXX AbstractJCloudScaleServerRunner
        // UUID serverId = JCloudScaleServerRunner.getInstance().getId();
        UUID serverId = AbstractJCloudScaleServerRunner.getInstance().getId();
        event.setHostId(serverId);
        event.setObjectId(cloudObjectId);
        event.setObjectType(cloudObjectType);
        getMqHelper().sendEvent(event);
        log.finer("Sent object destroyed for object " + cloudObjectId);
    } catch (Exception e) {
        e.printStackTrace();
        log.severe("Error while triggering ObjectDestroyedEvent: " + e.getMessage());
    }

}