net.ontopia.topicmaps.db2tm
Class Context

java.lang.Object
  net.ontopia.topicmaps.db2tm.Context

public class Context
extends java.lang.Object

INTERNAL: Object used to hold contextual information while processing tuples. Note that mapping, relation, topicMap and baseLocator are all required properties.

Field Summary

protected LocatorIF	baseloc
protected TopicMapBuilderIF	builder
protected DeclarationContextIF	dc
protected java.util.Set	dsCandidates
protected java.lang.Object[]	entityObjects
protected java.util.Collection[]	extents
protected static int	MAX_DSCANDIDATES
protected java.util.Collection	newObjects
protected java.util.Collection	oldObjects
protected java.util.Map	oldValues
protected QueryProcessorIF	qp
protected Relation	relation
protected RelationMapping	rmapping
protected TopicMapIF	topicmap

Method Summary

void	close()
LocatorIF	getBaseLocator() INTERNAL: Gets the base locator currently in use.
DeclarationContextIF	getDeclarationContext()
RelationMapping	getMapping() INTERNAL: Gets the relation mapping currently in use.
QueryProcessorIF	getQueryProcessor() INTERNAL: Gets the topic map query processor currently in use.
TopicMapIF	getTopicMap() INTERNAL: Gets the topic map currently in use.
void	loadExtents()
void	removeExtentObjects()
void	setBaseLocator(LocatorIF baseloc) INTERNAL: Sets the current base locator.
void	setMapping(RelationMapping rmapping) INTERNAL: Sets the current relation mapping.
void	setRelation(Relation relation) INTERNAL: Sets the current relation.
void	setTopicMap(TopicMapIF topicmap) INTERNAL: Sets the current topic map.

Methods inherited from class java.lang.Object

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

Field Detail

rmapping

protected RelationMapping rmapping

relation

protected Relation relation

topicmap

protected TopicMapIF topicmap

baseloc

protected LocatorIF baseloc

builder

protected TopicMapBuilderIF builder

qp

protected QueryProcessorIF qp

dc

protected DeclarationContextIF dc

entityObjects

protected java.lang.Object[] entityObjects

extents

protected java.util.Collection[] extents

newObjects

protected java.util.Collection newObjects

oldObjects

protected java.util.Collection oldObjects

oldValues

protected java.util.Map oldValues

MAX_DSCANDIDATES

protected static final int MAX_DSCANDIDATES

See Also:

Constant Field Values

dsCandidates

protected java.util.Set dsCandidates

Method Detail

getMapping

public RelationMapping getMapping()

INTERNAL: Gets the relation mapping currently in use.

setMapping

public void setMapping(RelationMapping rmapping)

INTERNAL: Sets the current relation mapping.

setRelation

public void setRelation(Relation relation)

INTERNAL: Sets the current relation.

getTopicMap

public TopicMapIF getTopicMap()

INTERNAL: Gets the topic map currently in use.

setTopicMap

public void setTopicMap(TopicMapIF topicmap)

INTERNAL: Sets the current topic map.

getQueryProcessor

public QueryProcessorIF getQueryProcessor()

INTERNAL: Gets the topic map query processor currently in use.

getDeclarationContext

public DeclarationContextIF getDeclarationContext()

getBaseLocator

public LocatorIF getBaseLocator()

INTERNAL: Gets the base locator currently in use.

setBaseLocator

public void setBaseLocator(LocatorIF baseloc)

INTERNAL: Sets the current base locator.

loadExtents

public void loadExtents()

removeExtentObjects

public void removeExtentObjects()

close

public void close()