net.sf.doolin.bus.support
Class SubscriberAdapter<M>

java.lang.Object
  net.sf.doolin.bus.support.SubscriberAdapter<M>

Type Parameters:

M - Type of message that is handled by this subscriber.

All Implemented Interfaces:

Subscriber<M>, SubscriberExecution<M>, SubscriberTrigger<M>, SubscriberValidator

public class SubscriberAdapter<M>
extends Object
implements Subscriber<M>

This Subscriber delegates its methods to a SubscriberValidator, a SubscriberTrigger and a SubscriberExecution.

Author:

Damien Coraboeuf

Constructor Summary

SubscriberAdapter(SubscriberValidator validator, SubscriberTrigger<M> trigger, SubscriberExecution<M> execution)
Constructor.

Method Summary

boolean	accept(M message) Checks the message
String	getExecutionDescription() Describes the execution.
Class<M>	getMessageClass() Gets the class that this subscriber accepts to handle
String	getTriggerDescription() Description for the trigger
String	getValidatorDescription() Gets a description for this validator
boolean	isValid() Checks if the subscription is still valid.
void	receive(M message) This method called whenever a message is received.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SubscriberAdapter

public SubscriberAdapter(SubscriberValidator validator,
                         SubscriberTrigger<M> trigger,
                         SubscriberExecution<M> execution)

Constructor.

Parameters:

validator - The validator to use

trigger - The trigger to use

execution - The execution to use

Method Detail

getMessageClass

public Class<M> getMessageClass()

Description copied from interface: SubscriberTrigger

Gets the class that this subscriber accepts to handle

Specified by:

getMessageClass in interface SubscriberTrigger<M>

getExecutionDescription

public String getExecutionDescription()

Description copied from interface: SubscriberExecution

Describes the execution. This information is used for debugging purpose only.

Specified by:

getExecutionDescription in interface SubscriberExecution<M>

Returns:

A description of the execution.

getTriggerDescription

public String getTriggerDescription()

Description copied from interface: SubscriberTrigger

Description for the trigger

Specified by:

getTriggerDescription in interface SubscriberTrigger<M>

getValidatorDescription

public String getValidatorDescription()

Description copied from interface: SubscriberValidator

Gets a description for this validator

Specified by:

getValidatorDescription in interface SubscriberValidator

isValid

public boolean isValid()

Description copied from interface: SubscriberValidator

Checks if the subscription is still valid.

Specified by:

isValid in interface SubscriberValidator

Returns:

true if the subscription is still valid, false otherwise.

receive

public void receive(M message)

Description copied from interface: SubscriberExecution

This method called whenever a message is received.

Specified by:

receive in interface SubscriberExecution<M>

Parameters:

message - Message to handle

accept

public boolean accept(M message)

Description copied from interface: SubscriberTrigger

Checks the message

Specified by:

accept in interface SubscriberTrigger<M>