/* | |
* Copyright (C) 2010 Google Inc. | |
* | |
* Licensed under the Apache License, Version 2.0 (the "License"); | |
* you may not use this file except in compliance with the License. | |
* You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, software | |
* distributed under the License is distributed on an "AS IS" BASIS, | |
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
* See the License for the specific language governing permissions and | |
* limitations under the License. | |
*/ | |
package com.google.gson.webservice.client; | |
import java.util.concurrent.BlockingQueue; | |
import com.google.greaze.definition.WebServiceSystemException; | |
import com.google.greaze.definition.webservice.WebServiceCall; | |
import com.google.greaze.definition.webservice.WebServiceResponse; | |
/** | |
* A consumer that executes in its own thread consuming queue entries and invoking web-service calls | |
* | |
* @author inder | |
*/ | |
final class QueueConsumer implements Runnable { | |
private final BlockingQueue<QueueEntry> queue; | |
private WebServiceClient client; | |
QueueConsumer(BlockingQueue<QueueEntry> queue, WebServiceClient client) { | |
this.queue = queue; | |
this.client = client; | |
} | |
@Override | |
public void run() { | |
try { | |
while(true) { | |
consume(queue.take()); | |
} | |
} catch (InterruptedException e) { | |
// exit | |
} | |
} | |
private void consume(QueueEntry entry) { | |
try { | |
WebServiceResponse response = client.getResponse(entry.callSpec, entry.request); | |
WebServiceCall call = new WebServiceCall(entry.callSpec, entry.request, response); | |
entry.responseCallback.handleResponse(call); | |
} catch (WebServiceSystemException e) { | |
entry.responseCallback.handleError(e, entry.request, entry.callSpec); | |
} | |
} | |
} |