org.jcsp.util.filter
Class PoisonFilter

java.lang.Object
  org.jcsp.util.filter.PoisonFilter

All Implemented Interfaces:

Filter

public class PoisonFilter
extends Object
implements Filter

This filter will throw a PoisonException when filter(Object) is called. This can be used to prevent a channel from being written to or read from.

Author:

Quickstone Technologies Limited

Constructor Summary

PoisonFilter()
Constructs a new filter with the default message.

PoisonFilter(String message)
Constructs a new filter with a specific message.

Method Summary

Object

filter(Object obj) Applies the filter operation.

Methods inherited from class java.lang.Object

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

Constructor Detail

PoisonFilter

public PoisonFilter()

Constructs a new filter with the default message.

PoisonFilter

public PoisonFilter(String message)

Constructs a new filter with a specific message.

Method Detail

filter

public Object filter(Object obj)

Description copied from interface: Filter

Applies the filter operation. The object given can be modified and returned or another object substituted in its place.

Specified by:

filter in interface Filter

Parameters:

obj - the original object in the channel communication.

Returns:

the modified/substituted object after filtration.