guarana.toolkit.task.modifiers
Class ContextBasedSlimmer

java.lang.Object
  extended by guarana.util.observer.smart.SmartObservable
      extended by guarana.framework.task.Task
          extended by guarana.toolkit.task.modifiers.Modifier
              extended by guarana.toolkit.task.modifiers.ContextBasedSlimmer
All Implemented Interfaces:
ISource, guarana.util.observer.smart.ISmartObserver

public abstract class ContextBasedSlimmer
extends Modifier

Reduces the content of an inbound message's body by removing part of it using a context message. All header from the inbound message is kept to the outbound message. Outbound message has a new MESSAGE_ID and the inbound message as its parent.

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
ContextBasedSlimmer(String name)
          Constructs a new context slimmer task.
ContextBasedSlimmer(String name, int numberOfInputs, int numberOfOutputs)
          Constructs a new context slimmer 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

ContextBasedSlimmer

public ContextBasedSlimmer(String name)
Constructs a new context slimmer task.

Parameters:
name - The name of the slimmer task.

ContextBasedSlimmer

public ContextBasedSlimmer(String name,
                           int numberOfInputs,
                           int numberOfOutputs)
Constructs a new context slimmer 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.
Slims the body of the message body.

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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