org.tm4j.topicmap.utils
Class WalkerFilterAdapter

java.lang.Object
  org.tm4j.topicmap.utils.WalkerFilterAdapter

All Implemented Interfaces:

WalkerFilter, WalkerHandler

Direct Known Subclasses:

ScopeWalkerFilter, TypeInstanceAssociationFilter

public class WalkerFilterAdapter

extends java.lang.Object

implements WalkerFilter

A base implementation of the WalkerFilter interface. This class does nothing except for passing WalkerHandler events on to the next handler in the chain. Use this as a base class for your implementations of the WalkerFilter interface.

Author:

Kal Ahmed (kal@techquila.com)

Field Summary

protected WalkerHandler

m_handler

Constructor Summary

WalkerFilterAdapter()

Method Summary

void	endAssociation(Association assoc)
void	endBaseName(BaseName name)
void	endMember(Member member)
void	endOccurrence(Occurrence occ)
void	endScope()
void	endTopic(Topic topic)
void	endTopicMap(TopicMap tm)
void	endVariant(Variant var)
WalkerHandler	getHandler()
void	onParameter(Topic param)
void	onPlayer(Topic player)
void	onRoleSpec(Topic roleSpec)
void	onSubject(Locator subject)
void	onSubjectIndicator(Locator subjectIndicator)
void	onTheme(Topic theme)
void	onType(Topic type)
void	onVariantName(VariantName varName)
void	setHandler(WalkerHandler h)
boolean	startAssociation(Association assoc)
boolean	startBaseName(BaseName name)
boolean	startMember(Member member)
boolean	startOccurrence(Occurrence occ)
boolean	startScope()
boolean	startTopic(Topic topic)
boolean	startTopicMap(TopicMap tm)
boolean	startVariant(Variant var)

Methods inherited from class java.lang.Object

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

Field Detail

m_handler

protected WalkerHandler m_handler

Constructor Detail

WalkerFilterAdapter

public WalkerFilterAdapter()

Method Detail

setHandler

public void setHandler(WalkerHandler h)

Specified by:

setHandler in interface WalkerFilter

getHandler

public WalkerHandler getHandler()

startTopicMap

public boolean startTopicMap(TopicMap tm)
                      throws TopicMapProcessingException

Specified by:

startTopicMap in interface WalkerHandler

Throws:

TopicMapProcessingException

endTopicMap

public void endTopicMap(TopicMap tm)
                 throws TopicMapProcessingException

Specified by:

endTopicMap in interface WalkerHandler

Throws:

TopicMapProcessingException

startTopic

public boolean startTopic(Topic topic)
                   throws TopicMapProcessingException

Specified by:

startTopic in interface WalkerHandler

Throws:

TopicMapProcessingException

endTopic

public void endTopic(Topic topic)
              throws TopicMapProcessingException

Specified by:

endTopic in interface WalkerHandler

Throws:

TopicMapProcessingException

onType

public void onType(Topic type)
            throws TopicMapProcessingException

Specified by:

onType in interface WalkerHandler

Throws:

TopicMapProcessingException

onSubject

public void onSubject(Locator subject)
               throws TopicMapProcessingException

Specified by:

onSubject in interface WalkerHandler

Throws:

TopicMapProcessingException

onSubjectIndicator

public void onSubjectIndicator(Locator subjectIndicator)
                        throws TopicMapProcessingException

Specified by:

onSubjectIndicator in interface WalkerHandler

Throws:

TopicMapProcessingException

startScope

public boolean startScope()
                   throws TopicMapProcessingException

Specified by:

startScope in interface WalkerHandler

Throws:

TopicMapProcessingException

endScope

public void endScope()
              throws TopicMapProcessingException

Specified by:

endScope in interface WalkerHandler

Throws:

TopicMapProcessingException

onTheme

public void onTheme(Topic theme)
             throws TopicMapProcessingException

Specified by:

onTheme in interface WalkerHandler

Throws:

TopicMapProcessingException

startBaseName

public boolean startBaseName(BaseName name)
                      throws TopicMapProcessingException

Specified by:

startBaseName in interface WalkerHandler

Throws:

TopicMapProcessingException

endBaseName

public void endBaseName(BaseName name)
                 throws TopicMapProcessingException

Specified by:

endBaseName in interface WalkerHandler

Throws:

TopicMapProcessingException

startVariant

public boolean startVariant(Variant var)
                     throws TopicMapProcessingException

Specified by:

startVariant in interface WalkerHandler

Throws:

TopicMapProcessingException

endVariant

public void endVariant(Variant var)
                throws TopicMapProcessingException

Specified by:

endVariant in interface WalkerHandler

Throws:

TopicMapProcessingException

onParameter

public void onParameter(Topic param)
                 throws TopicMapProcessingException

Specified by:

onParameter in interface WalkerHandler

Throws:

TopicMapProcessingException

onVariantName

public void onVariantName(VariantName varName)
                   throws TopicMapProcessingException

Specified by:

onVariantName in interface WalkerHandler

Throws:

TopicMapProcessingException

startOccurrence

public boolean startOccurrence(Occurrence occ)
                        throws TopicMapProcessingException

Specified by:

startOccurrence in interface WalkerHandler

Throws:

TopicMapProcessingException

endOccurrence

public void endOccurrence(Occurrence occ)
                   throws TopicMapProcessingException

Specified by:

endOccurrence in interface WalkerHandler

Throws:

TopicMapProcessingException

startAssociation

public boolean startAssociation(Association assoc)
                         throws TopicMapProcessingException

Specified by:

startAssociation in interface WalkerHandler

Throws:

TopicMapProcessingException

endAssociation

public void endAssociation(Association assoc)
                    throws TopicMapProcessingException

Specified by:

endAssociation in interface WalkerHandler

Throws:

TopicMapProcessingException

startMember

public boolean startMember(Member member)
                    throws TopicMapProcessingException

Specified by:

startMember in interface WalkerHandler

Throws:

TopicMapProcessingException

endMember

public void endMember(Member member)
               throws TopicMapProcessingException

Specified by:

endMember in interface WalkerHandler

Throws:

TopicMapProcessingException

onRoleSpec

public void onRoleSpec(Topic roleSpec)
                throws TopicMapProcessingException

Specified by:

onRoleSpec in interface WalkerHandler

Throws:

TopicMapProcessingException

onPlayer

public void onPlayer(Topic player)
              throws TopicMapProcessingException

Specified by:

onPlayer in interface WalkerHandler

Throws:

TopicMapProcessingException