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package com.sun.xml.ws.transport.async_client_transport;
import com.sun.xml.ws.api.pipe.Tube;
import com.sun.xml.ws.api.pipe.Engine;
import com.sun.xml.ws.api.pipe.Fiber;
import com.sun.xml.ws.api.message.Packet;
import com.sun.xml.ws.util.Pool;
import com.sun.istack.NotNull;
import javax.xml.ws.WebServiceException;
import java.io.Closeable;
/**
* @author Rama.Pulavarthi@sun.com
*/
public class RequestSender implements Closeable {
private final Tube masterTubeline;
private Pool<Tube> tubelinePool;
private volatile Engine engine;
public RequestSender(String name, Tube tubeline) {
this.masterTubeline = tubeline;
this.engine = new Engine(name);
this.tubelinePool = new Pool.TubePool(masterTubeline);
}
/**
* Sends the request {@link com.sun.xml.ws.api.message.Packet} and returns the corresponding response {@link com.sun.xml.ws.api.message.Packet}.
* This method should be used for Req-Resp MEP
*
* @param request {@link com.sun.xml.ws.api.message.Packet} containing the message to be send
* @return response {@link com.sun.xml.ws.api.message.Message} wrapped in a response {@link com.sun.xml.ws.api.message.Packet} received
*/
public Packet send(Packet request) {
if (tubelinePool == null)
throw new WebServiceException("close method has already been invoked"); // TODO: i18n
final Tube tubeline = tubelinePool.take();
try {
return engine.createFiber().runSync(tubeline, request);
} finally {
tubelinePool.recycle(tubeline);
}
}
public void sendAsync(Packet request, final Fiber.CompletionCallback completionCallback) {
if (tubelinePool == null)
throw new WebServiceException("close method has already been invoked"); // TODO: i18n
Fiber fiber = engine.createFiber();
final Tube tube = tubelinePool.take();
fiber.start(tube, request, new Fiber.CompletionCallback() {
public void onCompletion(@NotNull Packet response) {
tubelinePool.recycle(tube);
completionCallback.onCompletion(response);
}
public void onCompletion(@NotNull Throwable error) {
// let's not reuse tubes as they might be in a wrong state, so not
// calling tubePool.recycle()
completionCallback.onCompletion(error);
}
});
}
public void close() {
if (tubelinePool != null) {
// multi-thread safety of 'close' needs to be considered more carefully.
// some calls might be pending while this method is invoked. Should we
// block until they are complete, or should we abort them (but how?)
Tube p = tubelinePool.take();
tubelinePool = null;
p.preDestroy();
}
}
}