//###
//# #%L
//# mosaic-java-sun-utilities
//# %%
//# Copyright (C) 2010 - 2012 Seconda Università di Napoli
//#Authors: Massimiliano Rak, Giuseppe Aversano
//# %%
//# 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.
//# #L%
//###
package eu.mosaic_cloud.portingtest;
import eu.mosaic_cloud.cloudlets.connectors.queue.amqp.AmqpQueueConsumeCallbackArguments;
import eu.mosaic_cloud.cloudlets.connectors.queue.amqp.IAmqpQueueConsumerConnector;
import eu.mosaic_cloud.cloudlets.connectors.queue.amqp.IAmqpQueueConsumerConnectorFactory;
import eu.mosaic_cloud.cloudlets.connectors.queue.amqp.IAmqpQueuePublisherConnector;
import eu.mosaic_cloud.cloudlets.connectors.queue.amqp.IAmqpQueuePublisherConnectorFactory;
import eu.mosaic_cloud.cloudlets.core.CallbackArguments;
import eu.mosaic_cloud.cloudlets.core.CloudletCallbackArguments;
import eu.mosaic_cloud.cloudlets.core.CloudletCallbackCompletionArguments;
import eu.mosaic_cloud.cloudlets.core.GenericCallbackCompletionArguments;
import eu.mosaic_cloud.cloudlets.core.ICallback;
import eu.mosaic_cloud.cloudlets.core.ICloudletController;
import eu.mosaic_cloud.cloudlets.tools.DefaultAmqpPublisherConnectorCallback;
import eu.mosaic_cloud.cloudlets.tools.DefaultAmqpQueueConsumerConnectorCallback;
import eu.mosaic_cloud.cloudlets.tools.DefaultCloudletCallback;
import eu.mosaic_cloud.platform.core.configuration.ConfigurationIdentifier;
import eu.mosaic_cloud.platform.core.configuration.IConfiguration;
import eu.mosaic_cloud.platform.core.utils.NullDataEncoder;
import eu.mosaic_cloud.platform.core.utils.PlainTextDataEncoder;
import eu.mosaic_cloud.tools.callbacks.core.CallbackCompletion;
public class ConsumerString
{
public static final class AmqpConsumerCallback
extends DefaultAmqpQueueConsumerConnectorCallback<ConsumerStringContext, String, Void>
{
@Override
public CallbackCompletion<Void> consume (final ConsumerStringContext context, final AmqpQueueConsumeCallbackArguments<String> arguments)
{
final String val = arguments.getMessage ();
this.logger.info ("\n\nConsumerString received message :"+val);
context.consumer.acknowledge (arguments.getToken ());
return ICallback.SUCCESS;
}
@Override
public CallbackCompletion<Void> destroySucceeded (final ConsumerStringContext context, final CallbackArguments arguments)
{
this.logger.info ("ConsumerStringConsumer destroyed successfully.");
return ICallback.SUCCESS;
}
@Override
public CallbackCompletion<Void> initializeSucceeded (final ConsumerStringContext context, final CallbackArguments arguments)
{
this.logger.info ("ConsumerStringConsumer initialized successfully.");
return ICallback.SUCCESS;
}
public CallbackCompletion<Void> acknowledgeSucceeded (final ConsumerStringContext context, final GenericCallbackCompletionArguments<Void> arguments)
{
// context.cloudlet.destroy ();
return ICallback.SUCCESS;
}
}
public static final class LifeCycleHandler
extends DefaultCloudletCallback<ConsumerStringContext>
{
@Override
public CallbackCompletion<Void> destroy (final ConsumerStringContext context, final CloudletCallbackArguments<ConsumerStringContext> arguments)
{
this.logger.info ("ConsumerString is being destroyed...");
return CallbackCompletion.createAndChained (context.consumer.destroy ());
}
@Override
public CallbackCompletion<Void> destroySucceeded (final ConsumerStringContext context, final CloudletCallbackCompletionArguments<ConsumerStringContext> arguments)
{
this.logger.info ("ConsumerString was destroyed successfully.");
return ICallback.SUCCESS;
}
@Override
public CallbackCompletion<Void> initialize (final ConsumerStringContext context, final CloudletCallbackArguments<ConsumerStringContext> arguments)
{
this.logger.info ("ConsumerString initializing...");
context.cloudlet = arguments.getCloudlet ();
final IConfiguration configuration = context.cloudlet.getConfiguration ();
final IConfiguration queueConfiguration = configuration.spliceConfiguration (ConfigurationIdentifier.resolveAbsolute ("queuestring.consumer"));
context.consumer = context.cloudlet.getConnectorFactory (IAmqpQueueConsumerConnectorFactory.class).create (queueConfiguration, String.class, PlainTextDataEncoder.create(), new AmqpConsumerCallback (), context);
return CallbackCompletion.createAndChained (context.consumer.initialize ());
}
@Override
public CallbackCompletion<Void> initializeSucceeded (final ConsumerStringContext context, final CloudletCallbackCompletionArguments<ConsumerStringContext> arguments)
{
this.logger.info ("ConsumerString initialized successfully.");
return ICallback.SUCCESS;
}
}
public static final class ConsumerStringContext
{
ICloudletController<ConsumerStringContext> cloudlet;
IAmqpQueueConsumerConnector<String, Void> consumer;
}
}