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/*******************************************************************************
* Copyright (c) 2004 Composent, Inc. and others. All rights reserved. This
* program and the accompanying materials are made available under the terms of
* the Eclipse Public License v1.0 which accompanies this distribution, and is
* available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributors: Composent, Inc. - initial API and implementation
******************************************************************************/
package org.eclipse.ecf.provider.remoteservice.generic;
import java.util.concurrent.TimeoutException;
import java.util.concurrent.atomic.AtomicReference;
import org.eclipse.ecf.core.util.ECFException;
import org.eclipse.ecf.remoteservice.*;
import org.eclipse.ecf.remoteservice.events.IRemoteCallCompleteEvent;
import org.eclipse.ecf.remoteservice.events.IRemoteCallEvent;
public class RemoteServiceImpl extends AbstractRemoteService {
protected static final long DEFAULT_TIMEOUT = new Long(System.getProperty("ecf.remotecall.timeout", "30000")).longValue(); //$NON-NLS-1$ //$NON-NLS-2$
protected RemoteServiceRegistrationImpl registration = null;
protected RegistrySharedObject sharedObject = null;
public RemoteServiceImpl(RegistrySharedObject sharedObject, RemoteServiceRegistrationImpl registration) {
this.sharedObject = sharedObject;
this.registration = registration;
}
protected IRemoteServiceID getRemoteServiceID() {
return registration.getID();
}
protected IRemoteServiceReference getRemoteServiceReference() {
return registration.getReference();
}
protected String[] getInterfaceClassNames() {
return registration.getClasses();
}
/**
* @since 3.0
* @see org.eclipse.ecf.remoteservice.IRemoteService#callAsync(org.eclipse.ecf.remoteservice.IRemoteCall, org.eclipse.ecf.remoteservice.IRemoteCallListener)
*/
public void callAsync(final IRemoteCall call, final IRemoteCallListener listener) {
getFutureExecutorService(call).submit(new Runnable() {
public void run() {
final AtomicReference<IRemoteCallEvent> l = new AtomicReference<IRemoteCallEvent>();
sharedObject.sendCallRequestWithListener(registration, call, new IRemoteCallListener() {
public void handleEvent(IRemoteCallEvent event) {
if (event instanceof IRemoteCallCompleteEvent) {
synchronized (l) {
l.set(event);
l.notify();
}
}
}
});
long timeout = call.getTimeout();
Exception exception = null;
IRemoteCallEvent rce = null;
long sysTimeout = System.currentTimeMillis() + timeout;
synchronized (l) {
try {
while (rce == null && System.currentTimeMillis() < sysTimeout) {
l.wait(timeout / 10);
rce = l.get();
}
} catch (InterruptedException e) {
exception = e;
}
}
if (rce != null)
listener.handleEvent(rce);
else {
if (exception == null)
exception = new TimeoutException("remote call method=" + call.getMethod() + " timed out after " + timeout + "ms"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
final Exception except = exception;
listener.handleEvent(new IRemoteCallCompleteEvent() {
public long getRequestId() {
return 0;
}
public Object getResponse() {
return null;
}
public boolean hadException() {
return true;
}
public Throwable getException() {
return except;
}
});
}
}
});
}
/**
* @since 3.0
* @see org.eclipse.ecf.remoteservice.IRemoteService#callSync(org.eclipse.ecf.remoteservice.IRemoteCall)
*/
public Object callSync(IRemoteCall call) throws ECFException {
return sharedObject.callSynch(registration, call);
}
/**
* @since 3.0
* @see org.eclipse.ecf.remoteservice.IRemoteService#fireAsync(org.eclipse.ecf.remoteservice.IRemoteCall)
*/
public void fireAsync(IRemoteCall call) throws ECFException {
sharedObject.sendFireRequest(registration, call);
}
}
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