org.red5.server.service.PendingCall Maven / Gradle / Ivy
package org.red5.server.service;
/*
* RED5 Open Source Flash Server - http://code.google.com/p/red5/
*
* Copyright (c) 2006-2010 by respective authors (see below). All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free Software
* Foundation; either version 2.1 of the License, or (at your option) any later
* version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along
* with this library; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.util.HashSet;
import java.util.Set;
/**
* Pending call is remote call operation that is in pending state. Remote calls to services
* are asynchronous, that is, after call but before result callback remote calls are in
* pending state.
*/
public class PendingCall extends Call implements IPendingServiceCall {
private static final long serialVersionUID = 3219267601240355335L;
/**
* Result object
*/
private Object result;
/**
* List of callbacks (event listeners)
*/
private HashSet callbacks = new HashSet();
public PendingCall() {}
/**
* Creates pending call with given method name
* @param method Method name
*/
public PendingCall(String method) {
super(method);
}
/**
* Creates pending call with given method name and array of parameters
* @param method Method name
* @param args Parameters
*/
public PendingCall(String method, Object[] args) {
super(method, args);
}
/**
* Creates pending call with given method name, service name and array of parametes
*
* @param name Service name
* @param method Method name
* @param args Parameters
*/
public PendingCall(String name, String method, Object[] args) {
super(name, method, args);
}
/** {@inheritDoc}
*/
public Object getResult() {
return result;
}
/** {@inheritDoc}
*/
public void setResult(Object result) {
this.result = result;
setStatus(result == null ? STATUS_SUCCESS_NULL : STATUS_SUCCESS_RESULT);
}
/** {@inheritDoc} */
public void registerCallback(IPendingServiceCallback callback) {
callbacks.add(callback);
}
/** {@inheritDoc} */
public void unregisterCallback(IPendingServiceCallback callback) {
callbacks.remove(callback);
}
/** {@inheritDoc} */
public Set getCallbacks() {
return callbacks;
}
@Override
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
super.readExternal(in);
result = in.readObject();
}
@Override
public void writeExternal(ObjectOutput out) throws IOException {
super.writeExternal(out);
out.writeObject(result);
}
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy