Package eu.mosaic_cloud.portingtest

Source Code of eu.mosaic_cloud.portingtest.ConsumerByte$ConsumerByteContext

//###
//# #%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
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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 ConsumerByte
{
  public static final class AmqpPublisherCallback
      extends DefaultAmqpPublisherConnectorCallback<ConsumerByteContext, String, Void>
  {
    @Override
    public CallbackCompletion<Void> destroySucceeded (final ConsumerByteContext context, final CallbackArguments arguments)
    {
      this.logger.info ("ConsumerBytePublisher destroyed successfully.");
      return ICallback.SUCCESS;
    }
   
    @Override
    public CallbackCompletion<Void> initializeSucceeded (final ConsumerByteContext context, final CallbackArguments arguments)
    {
      this.logger.info ("ConsumerBytePublisher initialized successfully.");
     
   
     
      return ICallback.SUCCESS;
    }
   
    @Override
    public CallbackCompletion<Void> publishSucceeded (final ConsumerByteContext context, final GenericCallbackCompletionArguments<Void> arguments)
    {
      //context.cloudlet.destroy ();
      this.logger.info ("ConsumerByte publisher successfully.");
      return ICallback.SUCCESS;
    }
  }
 
 
  public static final class AmqpConsumerCallback
  extends DefaultAmqpQueueConsumerConnectorCallback<ConsumerByteContext, byte[], Void>
{
@Override
public CallbackCompletion<Void> consume (final ConsumerByteContext context, final AmqpQueueConsumeCallbackArguments<byte[]> arguments)
{
  final byte[] val = arguments.getMessage ();
 
  this.logger.info ("\n\nConsumerByte received  message Byte:"+val);
 
  String data = new String(val);
 
  this.logger.info ("\n\nConsumerByte received  message String:"+data);
 
  context.publisher.publish(data, null);
 
  context.consumer.acknowledge (arguments.getToken ());
 
 
  return ICallback.SUCCESS;
}

@Override
public CallbackCompletion<Void> destroySucceeded (final ConsumerByteContext context, final CallbackArguments arguments)
{
  this.logger.info ("ConsumerByteConsumer  destroyed successfully.");
  return ICallback.SUCCESS;
}

@Override
public CallbackCompletion<Void> initializeSucceeded (final ConsumerByteContext context, final CallbackArguments arguments)
{
  this.logger.info ("ConsumerByteConsumer  initialized successfully.");
  return ICallback.SUCCESS;
}

public CallbackCompletion<Void> acknowledgeSucceeded (final ConsumerByteContext context, final GenericCallbackCompletionArguments<Void> arguments)
{
//  context.cloudlet.destroy ();
  return ICallback.SUCCESS;
}
}
 
 
 
  public static final class LifeCycleHandler
      extends DefaultCloudletCallback<ConsumerByteContext>
  {
    @Override
    public CallbackCompletion<Void> destroy (final ConsumerByteContext context, final CloudletCallbackArguments<ConsumerByteContext> arguments)
    {
      this.logger.info ("ConsumerByte is being destroyed...");
      return CallbackCompletion.createAndChained (context.consumer.destroy (),context.publisher.destroy());
    }
   
    @Override
    public CallbackCompletion<Void> destroySucceeded (final ConsumerByteContext context, final CloudletCallbackCompletionArguments<ConsumerByteContext> arguments)
    {
      this.logger.info ("ConsumerByte was destroyed successfully.");
      return ICallback.SUCCESS;
    }

    @Override
    public CallbackCompletion<Void> initialize (final ConsumerByteContext context, final CloudletCallbackArguments<ConsumerByteContext> arguments)
    {
      this.logger.info ("ConsumerByte initializing...");
      context.cloudlet = arguments.getCloudlet ();
      final IConfiguration configuration = context.cloudlet.getConfiguration ();
      final IConfiguration queueConfiguration = configuration.spliceConfiguration (ConfigurationIdentifier.resolveAbsolute ("queuemhttpgw.consumer"));
      final IConfiguration queueConfiguration2 = configuration.spliceConfiguration (ConfigurationIdentifier.resolveAbsolute ("queueclient.publisher"));
      context.publisher = context.cloudlet.getConnectorFactory (IAmqpQueuePublisherConnectorFactory.class).create (queueConfiguration2, String.class, PlainTextDataEncoder.DEFAULT_INSTANCE, new AmqpPublisherCallback (), context);
      context.consumer = context.cloudlet.getConnectorFactory (IAmqpQueueConsumerConnectorFactory.class).create (queueConfiguration, byte[].class, NullDataEncoder.create(), new AmqpConsumerCallback (), context);
      return CallbackCompletion.createAndChained (context.consumer.initialize (),context.publisher.initialize ());
    }
   
   
    @Override
    public CallbackCompletion<Void> initializeSucceeded (final ConsumerByteContext context, final CloudletCallbackCompletionArguments<ConsumerByteContext> arguments)
    {
      this.logger.info ("ConsumerByte initialized successfully.");
     
      return ICallback.SUCCESS;
    }
  }
 
  public static final class ConsumerByteContext
  {
    ICloudletController<ConsumerByteContext> cloudlet;
    IAmqpQueuePublisherConnector<String, Void> publisher;
    IAmqpQueueConsumerConnector<byte[], Void> consumer;
  }
}
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