guarana.toolkit.task.transformers
Class CrossBuilder

java.lang.Object
  extended by guarana.util.observer.smart.SmartObservable
      extended by guarana.framework.task.Task
          extended by guarana.toolkit.task.transformers.Transformer
              extended by guarana.toolkit.task.transformers.CrossBuilder
All Implemented Interfaces:
ISource, guarana.util.observer.smart.ISmartObserver

public abstract class CrossBuilder
extends Transformer

Takes two or more inbound messages and builds several new outbound messages where each outbound message represents one possible combination of values inside the inbound messages. The outbound messages must have a new MESSAGE_ID and the inbound messages as parents.

Graphical notation:


This is an Integration Pattern implementation

Problem:

Solution:

Details:

Since:
Guaranį SDK 1.3.0
Author:
Rafael Z. Frantz

Field Summary
 
Fields inherited from class guarana.framework.task.Task
input, output
 
Constructor Summary
CrossBuilder(String name, int numberOfInputs)
          Constructs a new cross builder task.
CrossBuilder(String name, int numberOfInputs, int numberOfOutputs)
          Constructs a new cross builder task.
 
Method Summary
abstract  void doWork(Exchange exchange)
          This method implements the business logic of this task.
 
Methods inherited from class guarana.framework.task.Task
execute, getName, getTriggerInterval, isTriggerTask, setName, setTriggerInterval, update
 
Methods inherited from class guarana.util.observer.smart.SmartObservable
addSmartObserver, containsSmartObserver, containsSmartObserver, countSmartObservers, deleteSmartObserver, deleteSmartObservers, hasChanged, notifySmartObservers, notifySmartObservers
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

CrossBuilder

public CrossBuilder(String name,
                    int numberOfInputs)
Constructs a new cross builder task.

Parameters:
name - The name of this task.
numberOfInputs - The number of input.

CrossBuilder

public CrossBuilder(String name,
                    int numberOfInputs,
                    int numberOfOutputs)
Constructs a new cross builder task.

Parameters:
name - The name of this task.
numberOfInputs - The number of input gateways this task must have.
numberOfOutputs - The number of output gateways this task must have.
Method Detail

doWork

public abstract void doWork(Exchange exchange)
                     throws TaskExecutionException
This method implements the business logic of this task.
Assembles a set of messages into just one message.

Overrides:
doWork in class Task
Parameters:
exchange - An exchange object that holds the inbound messages of this task.
Throws:
TaskExecutionException - to report any exception that has occurred during the execution of this method.


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