/**
* Copyright 2015 Santhosh Kumar Tekuri
*
* The JLibs authors license this file to you 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 jlibs.wamp4j.msg;
import com.fasterxml.jackson.databind.node.ArrayNode;
import jlibs.wamp4j.error.InvalidMessageException;
/**
* If the Broker is able to fulfill and allow the subscription,
* it answers by sending a SUBSCRIBED message to the Subscriber
*
* NOTE: In case of receiving a SUBSCRIBE message from the same Subscriber and
* to already subscribed topic, Broker should answer with SUBSCRIBED message,
* containing the existing Subscription|id
*
* @author Santhosh Kumar Tekuri
*/
public class UnsubscribeMessage extends RequestMessage{
public static final int ID = 34;
/**
* the ID from the original SUBSCRIBE request
*/
public final long requestID;
/**
* an ID chosen by the Broker for the subscription
*/
public final long subscriptionID;
public UnsubscribeMessage(long requestID, long subscriptionID){
this.requestID = requestID;
this.subscriptionID = subscriptionID;
}
@Override
public int getID(){
return ID;
}
@Override
public long getRequestID(){
return requestID;
}
@Override
public void toArrayNode(ArrayNode array){
array.add(idNodes[ID]);
array.add(requestID);
array.add(subscriptionID);
}
static final Decoder decoder = new Decoder(){
@Override
public WAMPMessage decode(ArrayNode array) throws InvalidMessageException{
if(array.size()!=3)
throw new InvalidMessageException();
assert id(array)==ID;
return new UnsubscribeMessage(longValue(array, 1), longValue(array, 2));
}
};
}