org.jcsp.util.filter

Interface Filter

All Known Implementing Classes:

PoisonFilter

public interface Filter

Interface for channel plug-ins that define filtering operations - transformations on the data as it is read or written. A channel (or channel end) that supports filtering will implement the ReadFiltered or WriteFiltered interface which allows instances of Filter to be installed or removed from the channel.

Author:

Quickstone Technologies Limited

See Also:

FilteredChannel, FilteredChannelEnd, ReadFiltered, WriteFiltered

Method Summary

Modifier and Type	Method and Description
java.lang.Object	filter(java.lang.Object obj) Applies the filter operation.

Method Detail

filter

java.lang.Object filter(java.lang.Object obj)

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

Parameters:

obj - the original object in the channel communication.

Returns:

the modified/substituted object after filtration.