org.tm4j.topicmap.utils
Class ScopeWalkerFilter

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

All Implemented Interfaces:

WalkerFilter, WalkerHandler

Direct Known Subclasses:

InScopeWalkerFilter

public class ScopeWalkerFilter

extends WalkerFilterAdapter

A WalkerFilter implementation that filters out all scoped objects that do not match the specified predicate. This class can be used to implement a variety of scope-based filters.

Author:

Kal Ahmed (kal@techquila.com)

Field Summary

Fields inherited from class org.tm4j.topicmap.utils.WalkerFilterAdapter

m_handler

Constructor Summary

ScopeWalkerFilter(uk.co.jezuk.mango.Predicate scopedObjectTester)
Create a new ScopeWalkerFilter that filters out all ScopedObjects that do not pass the predicate.

Method Summary

boolean	startAssociation(Association assoc)
boolean	startBaseName(BaseName name)
boolean	startOccurrence(Occurrence occ)

Methods inherited from class org.tm4j.topicmap.utils.WalkerFilterAdapter

endAssociation, endBaseName, endMember, endOccurrence, endScope, endTopic, endTopicMap, endVariant, getHandler, onParameter, onPlayer, onRoleSpec, onSubject, onSubjectIndicator, onTheme, onType, onVariantName, setHandler, startMember, startScope, startTopic, startTopicMap, startVariant

Methods inherited from class java.lang.Object

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

Constructor Detail

ScopeWalkerFilter

public ScopeWalkerFilter(uk.co.jezuk.mango.Predicate scopedObjectTester)

Create a new ScopeWalkerFilter that filters out all ScopedObjects that do not pass the predicate.

Parameters:

scopedObjectTester - the predicate used to evaluate ScopedObjects encountered during the walk.

Method Detail

startAssociation

public boolean startAssociation(Association assoc)
                         throws TopicMapProcessingException

Specified by:

startAssociation in interface WalkerHandler

Overrides:

startAssociation in class WalkerFilterAdapter

Throws:

TopicMapProcessingException

startBaseName

public boolean startBaseName(BaseName name)
                      throws TopicMapProcessingException

Specified by:

startBaseName in interface WalkerHandler

Overrides:

startBaseName in class WalkerFilterAdapter

Throws:

TopicMapProcessingException

startOccurrence

public boolean startOccurrence(Occurrence occ)
                        throws TopicMapProcessingException

Specified by:

startOccurrence in interface WalkerHandler

Overrides:

startOccurrence in class WalkerFilterAdapter

Throws:

TopicMapProcessingException