com.infoscape.proteus.filter
Class FilteredSource

java.lang.Object
  |
  +--com.infoscape.proteus.filter.FilteredSource

All Implemented Interfaces:

MessageHandler, MessageSource, Transactional

Direct Known Subclasses:

ExpandedSource

public class FilteredSource

extends java.lang.Object

implements MessageSource

A FilteredSource takes a filter and a source and applies the filter to the messages from the source whenever its own getMessage method is called. The source of a FilteredSource may be another FilteredSource, so that filters may be chained together.

Constructor Summary

FilteredSource(org.jdom.Element elt)

Method Summary

void	commit()
void	disconnect()
Connection	getConnection()
java.lang.Object	getMessage()
void	reconnect()
void	rollback()
void	setSyncPoint(boolean on)

Methods inherited from class java.lang.Object

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

Constructor Detail

FilteredSource

public FilteredSource(org.jdom.Element elt)
               throws java.lang.Exception

Parameters:

elt -

Throws:

java.lang.Exception

Method Detail

getMessage

public java.lang.Object getMessage()
                            throws java.lang.Exception

Specified by:

getMessage in interface MessageSource

Throws:

java.lang.Exception

disconnect

public void disconnect()
                throws java.lang.Exception

Specified by:

disconnect in interface MessageHandler

Throws:

java.lang.Exception

reconnect

public void reconnect()
               throws java.lang.Exception

Specified by:

reconnect in interface MessageHandler

Throws:

java.lang.Exception

getConnection

public Connection getConnection()

Specified by:

getConnection in interface MessageHandler

setSyncPoint

public void setSyncPoint(boolean on)
                  throws java.lang.Exception

Specified by:

setSyncPoint in interface Transactional

Parameters:

on -

Throws:

java.lang.Exception

commit

public void commit()
            throws java.lang.Exception

Specified by:

commit in interface Transactional

Throws:

java.lang.Exception

rollback

public void rollback()
              throws java.lang.Exception

Specified by:

rollback in interface Transactional

Throws:

java.lang.Exception