Package org.jcsp.util.filter
Interface Filter
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- 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 theReadFiltered
orWriteFiltered
interface which allows instances ofFilter
to be installed or removed from the channel.- Author:
- Quickstone Technologies Limited
- See Also:
FilteredChannel
,FilteredChannelEnd
,ReadFiltered
,WriteFiltered
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description java.lang.Object
filter(java.lang.Object obj)
Applies the filter operation.
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Method Detail
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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.
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