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package com.sun.xml.ws.api.pipe.helper;
import com.sun.xml.ws.api.message.Packet;
import com.sun.xml.ws.api.pipe.Fiber;
import com.sun.xml.ws.api.pipe.NextAction;
import com.sun.xml.ws.api.pipe.Pipe;
import com.sun.xml.ws.api.pipe.PipeCloner;
import com.sun.xml.ws.api.pipe.Tube;
import com.sun.xml.ws.api.pipe.TubeCloner;
/**
* Base class for {@link Tube} implementation.
*
* <p>
* This can be also used as a {@link Pipe}, and thus effectively
* making every {@link Tube} usable as a {@link Pipe}.
*
* @author Kohsuke Kawaguchi
*/
public abstract class AbstractTubeImpl implements Tube, Pipe {
/**
* Default constructor.
*/
protected AbstractTubeImpl() {
}
/**
* Copy constructor.
*/
protected AbstractTubeImpl(AbstractTubeImpl that, TubeCloner cloner) {
cloner.add(that,this);
}
protected final NextAction doInvoke(Tube next, Packet packet) {
NextAction na = new NextAction();
na.invoke(next,packet);
return na;
}
protected final NextAction doInvokeAndForget(Tube next, Packet packet) {
NextAction na = new NextAction();
na.invokeAndForget(next,packet);
return na;
}
protected final NextAction doReturnWith(Packet response) {
NextAction na = new NextAction();
na.returnWith(response);
return na;
}
protected final NextAction doSuspend() {
NextAction na = new NextAction();
na.suspend();
return na;
}
protected final NextAction doSuspend(Tube next) {
NextAction na = new NextAction();
na.suspend(next);
return na;
}
protected final NextAction doThrow(Throwable t) {
NextAction na = new NextAction();
na.throwException(t);
return na;
}
/**
* "Dual stack" compatibility mechanism.
* Allows {@link Tube} to be invoked from a {@link Pipe}.
*/
public Packet process(Packet p) {
return Fiber.current().runSync(this,p);
}
/**
* Needs to be implemented by the derived class, but we can't make it abstract
* without upsetting javac.
*/
public final AbstractTubeImpl copy(PipeCloner cloner) {
return copy((TubeCloner)cloner);
}
public abstract AbstractTubeImpl copy(TubeCloner cloner);
}