public void testWhenTrue() throws InterruptedException {
final WaitableBoolean blocker = new WaitableBoolean(false);
final WaitableBoolean actionPerformed = new WaitableBoolean(false);
Runnable switcher =
new Runnable() {
public void run() {
try {
Thread.sleep(500);
blocker.set(true);
} catch (InterruptedException iex) {
// ignore
}
}
};
Runnable action =
new Runnable() {
public void run() {
actionPerformed.set(true);
}
};
new Thread(switcher).start();
blocker.whenTrue(action);
assertTrue(blocker.get());
assertTrue(actionPerformed.get());
}
public void testComplement() {
assertFalse(TRUE.complement());
assertFalse(TRUE.get());
assertTrue(FALSE.complement());
assertTrue(FALSE.get());
}
public void testCommit() {
assertTrue(TRUE.commit(true, true));
assertTrue(TRUE.get());
assertFalse(TRUE.commit(false, true));
assertTrue(TRUE.commit(true, false));
assertFalse(TRUE.get());
assertTrue(TRUE.commit(false, true));
assertTrue(TRUE.get());
}
public void testOr() {
assertTrue((new WaitableBoolean(true)).or(true));
assertTrue((new WaitableBoolean(true)).or(false));
assertFalse((new WaitableBoolean(false)).or(false));
assertTrue((new WaitableBoolean(false)).or(true));
assertTrue(TRUE.or(true));
assertTrue(TRUE.get());
assertTrue(TRUE.or(false));
assertTrue(TRUE.get());
}
public void testAnd() {
assertTrue((new WaitableBoolean(true)).and(true));
assertFalse((new WaitableBoolean(true)).and(false));
assertFalse((new WaitableBoolean(false)).and(false));
assertFalse((new WaitableBoolean(false)).and(true));
assertTrue(TRUE.and(true));
assertTrue(TRUE.get());
assertFalse(TRUE.and(false));
assertFalse(TRUE.get());
}
public void testWhenTrueAlreadyTrue() throws InterruptedException {
final WaitableBoolean blocker = new WaitableBoolean(true);
final WaitableBoolean actionPerformed = new WaitableBoolean(false);
Runnable action =
new Runnable() {
public void run() {
actionPerformed.set(true);
}
};
blocker.whenTrue(action);
assertTrue(blocker.get());
assertTrue(actionPerformed.get());
}
public final synchronized void connect() throws Exception {
// This method may be called to ensure transport is connected, if it is
// already connected then just return.
if (connected.get()) {
return;
}
if (disposed.get()) {
throw new IllegalStateException(
"Requester/dispatcher has been disposed; cannot connect to resource");
}
retryTemplate.execute(
new RetryCallback() {
public void doWork(RetryContext context) throws Exception {
try {
doConnect();
connected.set(true);
if (startOnConnect) {
start();
}
} catch (Exception e) {
if (logger.isDebugEnabled()) {
logger.debug(e);
}
throw e;
}
}
public String getWorkDescription() {
return getConnectionDescription();
}
},
getWorkManager());
}
public void dispatchEvent(MuleEvent event) throws MuleException {
if (stopping.get() || stopped.get()) {
throw new ServiceException(CoreMessages.componentIsStopped(name), event.getMessage(), this);
}
// Dispatching event to an inbound endpoint
// in the DefaultMuleSession#dispatchEvent
ImmutableEndpoint endpoint = event.getEndpoint();
if (endpoint instanceof OutboundEndpoint) {
try {
((OutboundEndpoint) endpoint).dispatch(event);
} catch (Exception e) {
throw new DispatchException(event.getMessage(), event.getEndpoint(), e);
}
return;
}
if (logger.isDebugEnabled()) {
logger.debug(
"Service: "
+ name
+ " has received asynchronous event on: "
+ event.getEndpoint().getEndpointURI());
}
// Dispatching event to the service
if (stats.isEnabled()) {
stats.incReceivedEventASync();
}
doDispatch(event);
}
public final void start() throws MuleException {
if (!connected.get()) {
startOnConnect = true;
// Make sure we are connected
try {
connect();
} catch (Exception e) {
throw new LifecycleException(e, this);
}
return;
}
if (stopped.compareAndSet(true, false)) {
doStart();
}
}
public final synchronized void disconnect() throws Exception {
if (!connected.get()) {
return;
}
if (logger.isDebugEnabled()) {
logger.debug("Disconnecting: " + this);
}
this.doDisconnect();
connected.set(false);
logger.info("Disconnected: " + this);
connector.fireNotification(
new ConnectionNotification(
this, getConnectEventId(endpoint), ConnectionNotification.CONNECTION_DISCONNECTED));
}
public final void stop() {
try {
if (connected.get()) {
disconnect();
}
} catch (Exception e) {
// TODO MULE-863: What should we really do?
logger.error(e.getMessage(), e);
}
if (stopped.compareAndSet(false, true)) {
try {
doStop();
} catch (MuleException e) {
// TODO MULE-863: What should we really do?
logger.error(e.getMessage(), e);
}
}
}
public MuleMessage sendEvent(MuleEvent event) throws MuleException {
if (stopping.get() || stopped.get()) {
throw new ServiceException(CoreMessages.componentIsStopped(name), event.getMessage(), this);
}
try {
waitIfPaused(event);
} catch (InterruptedException e) {
throw new ServiceException(event.getMessage(), this, e);
}
if (stats.isEnabled()) {
stats.incReceivedEventSync();
}
if (logger.isDebugEnabled()) {
logger.debug(
"Service: "
+ name
+ " has received synchronous event on: "
+ event.getEndpoint().getEndpointURI());
}
event = OptimizedRequestContext.unsafeSetEvent(event);
return doSend(event);
}
public boolean isStopping() {
return stopping.get();
}
/**
* Called before an event is sent or dispatched to a service, it will block until resume() is
* called. Users can override this method if they want to handle pausing differently e.g.
* implement a store and forward policy
*
* @param event the current event being passed to the service
* @throws InterruptedException if the thread is interrupted
*/
protected void waitIfPaused(MuleEvent event) throws InterruptedException {
if (logger.isDebugEnabled() && paused.get()) {
logger.debug("Service: " + name + " is paused. Blocking call until resume is called");
}
paused.whenFalse(null);
}
/**
* Determines if the service is in a paused state
*
* @return True if the service is in a paused state, false otherwise
*/
public boolean isPaused() {
return paused.get();
}
public boolean isStarted() {
return !stopped.get();
}
public void testGet() {
assertTrue(TRUE.get());
assertFalse(FALSE.get());
}
public final boolean isConnected() {
return connected.get();
}