uk.ac.soton.itinnovation.experimedia.arch.ecc.amqpAPI.impl.faces.AMQPFullInterfaceBase.java Source code

Introduction

Here is the source code for uk.ac.soton.itinnovation.experimedia.arch.ecc.amqpAPI.impl.faces.AMQPFullInterfaceBase.java

Source

/////////////////////////////////////////////////////////////////////////
//
//  University of Southampton IT Innovation Centre, 2012
//
// Copyright in this software belongs to University of Southampton
// IT Innovation Centre of Gamma House, Enterprise Road, 
// Chilworth Science Park, Southampton, SO16 7NS, UK.
//
// This software may not be used, sold, licensed, transferred, copied
// or reproduced in whole or in part in any manner or form or in or
// on any media by any person other than in accordance with the terms
// of the Licence Agreement supplied with the software, or otherwise
// without the prior written consent of the copyright owners.
//
// This software is distributed WITHOUT ANY WARRANTY, without even the
// implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
// PURPOSE, except where stated in the Licence Agreement supplied with
// the software.
//
//      Created By :            Simon Crowle
//      Created Date :          11-Jul-2012
//      Created for Project :   EXPERIMEDIA
//
/////////////////////////////////////////////////////////////////////////

package uk.ac.soton.itinnovation.experimedia.arch.ecc.amqpAPI.impl.faces;

import uk.ac.soton.itinnovation.experimedia.arch.ecc.amqpAPI.impl.amqp.AMQPBasicChannel;

import com.rabbitmq.client.Channel;

import java.util.UUID;
import java.io.IOException;

public class AMQPFullInterfaceBase extends AbstractAMQPInterface {
    public AMQPFullInterfaceBase(AMQPBasicChannel channel) {
        super(channel);
    }

    public boolean initialise(String iName, UUID providerID, UUID userID, boolean asProvider) {
        interfaceReady = false;

        // Safety first
        if (setInitParams(iName, providerID, userID, asProvider) == false)
            return false;

        // Get RabbitMQ channel
        Channel channelImpl = (Channel) amqpChannel.getChannelImpl();

        try {
            // Declare the appropriate exchanges
            channelImpl.exchangeDeclare(providerExchangeName, "direct");
            channelImpl.exchangeDeclare(userExchangeName, "direct");

            // Create queue and subscription
            createQueue();
            createSubscriptionComponent();

            // Finished
            interfaceReady = true;

        } catch (IOException ioe) {
            String err = "Could not initialise AMQP interface " + iName + ": " + ioe.getMessage();
            amqpIntLogger.error(err, ioe);
        }

        return interfaceReady;
    }

    // Private methods -----------------------------------------------------------
    private boolean setInitParams(String iName, UUID providerID, UUID userID, boolean asProvider) {
        // Safety first
        if (iName == null || providerID == null || userID == null || amqpChannel == null)
            return false;

        createInterfaceExchangeNames(iName);

        actingAsProvider = asProvider;
        providerQueueName = interfaceName + "_" + providerID.toString() + "[P]";
        userQueueName = interfaceName + "_" + userID.toString() + "[U]";

        return true;
    }
}