org.drools.core.reteoo.builder
Class BuildContext

java.lang.Object
  org.drools.core.reteoo.builder.BuildContext

public class BuildContext
extends Object

A build context for Reteoo Builder

Constructor Summary

BuildContext(InternalRuleBase rulebase, ReteooBuilder.IdGenerator idGenerator)

Method Summary

void	decrementCurrentPatternOffset()
List<AlphaNodeFieldConstraint>	getAlphaConstraints()
List<BetaNodeFieldConstraint>	getBetaconstraints()
LinkedList<RuleConditionElement>	getBuildStack()
ReteooComponentFactory	getComponentFactory()
EntryPoint	getCurrentEntryPoint()
int	getCurrentPatternOffset()
Pattern[]	getLastBuiltPatterns()
int	getNextId() Returns an Id for the next node
int	getNextSequence(String groupName)
List<BaseNode>	getNodes()
ObjectSource	getObjectSource()
LinkedList<Pattern>	getObjectType()
RuleBasePartitionId	getPartitionId()
ObjectTypeNode	getRootObjectTypeNode()
Rule	getRule()
InternalRuleBase	getRuleBase() Returns context rulebase
TemporalDependencyMatrix	getTemporalDistance()
LeftTupleSource	getTupleSource()
InternalWorkingMemory[]	getWorkingMemories() Return the array of working memories associated with the given rulebase.
void	incrementCurrentPatternOffset()
boolean	isAttachPQN()
boolean	isEmptyForAllBetaConstraints()
boolean	isObjectTypeNodeMemoryEnabled()
boolean	isQuery()
boolean	isTupleMemoryEnabled()
RuleConditionElement	peek() Returns the top stack element without removing it
RuleComponent	peekRuleComponent() Peeks at the top element from the rule component stack.
RuleConditionElement	pop() Removes the top stack element
RuleComponent	popRuleComponent() Removes the top element from the rule component stack.
void	push(RuleConditionElement rce) Adds the rce to the build stack
void	pushRuleComponent(RuleComponent ruleComponent) Adds the ruleComponent to the top of the rule component stack.
void	releaseId(int id) Method used to undo previous id assignment
void	setAlphaConstraints(List<AlphaNodeFieldConstraint> alphaConstraints)
void	setAttachPQN(boolean attachPQN)
void	setBetaconstraints(List<BetaNodeFieldConstraint> betaconstraints)
void	setComponentFactory(ReteooComponentFactory componentFactory)
void	setCurrentEntryPoint(EntryPoint currentEntryPoint)
void	setCurrentPatternOffset(int currentPatternIndex)
void	setEmptyForAllBetaConstraints(boolean emptyForAllBetaConstraints)
void	setLastBuiltPattern(Pattern lastBuiltPattern)
void	setNodes(List<BaseNode> nodes)
void	setObjectSource(ObjectSource objectSource)
void	setObjectType(LinkedList<Pattern> objectType)
void	setObjectTypeNodeMemoryEnabled(boolean hasObjectTypeMemory)
void	setPartitionId(RuleBasePartitionId partitionId)
void	setRootObjectTypeNode(ObjectTypeNode source)
void	setRule(Rule rule)
void	setTemporalDistance(TemporalDependencyMatrix temporal)
void	setTupleMemoryEnabled(boolean hasLeftMemory)
void	setTupleSource(LeftTupleSource tupleSource)
ListIterator<RuleConditionElement>	stackIterator() Returns a list iterator to iterate over the stacked elements
void	syncObjectTypesWithPatternOffset()

Methods inherited from class java.lang.Object

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

Constructor Detail

BuildContext

public BuildContext(InternalRuleBase rulebase,
                    ReteooBuilder.IdGenerator idGenerator)

Method Detail

isEmptyForAllBetaConstraints

public boolean isEmptyForAllBetaConstraints()

setEmptyForAllBetaConstraints

public void setEmptyForAllBetaConstraints(boolean emptyForAllBetaConstraints)

getCurrentPatternOffset

public int getCurrentPatternOffset()

Returns:

the currentPatternOffset

setCurrentPatternOffset

public void setCurrentPatternOffset(int currentPatternIndex)

Parameters:

currentPatternIndex - the currentPatternOffset to set

syncObjectTypesWithPatternOffset

public void syncObjectTypesWithPatternOffset()

getObjectSource

public ObjectSource getObjectSource()

Returns:

the objectSource

setObjectSource

public void setObjectSource(ObjectSource objectSource)

Parameters:

objectSource - the objectSource to set

getObjectType

public LinkedList<Pattern> getObjectType()

Returns:

the objectType

setObjectType

public void setObjectType(LinkedList<Pattern> objectType)

Parameters:

objectType - the objectType to set

getTupleSource

public LeftTupleSource getTupleSource()

Returns:

the tupleSource

setTupleSource

public void setTupleSource(LeftTupleSource tupleSource)

Parameters:

tupleSource - the tupleSource to set

incrementCurrentPatternOffset

public void incrementCurrentPatternOffset()

decrementCurrentPatternOffset

public void decrementCurrentPatternOffset()

getRuleBase

public InternalRuleBase getRuleBase()

Returns context rulebase

Returns:

getWorkingMemories

public InternalWorkingMemory[] getWorkingMemories()

Return the array of working memories associated with the given rulebase.

Returns:

getNextId

public int getNextId()

Returns an Id for the next node

Returns:

releaseId

public void releaseId(int id)

Method used to undo previous id assignment

push

public void push(RuleConditionElement rce)

Adds the rce to the build stack

Parameters:

rce -

pop

public RuleConditionElement pop()

Removes the top stack element

Returns:

peek

public RuleConditionElement peek()

Returns the top stack element without removing it

Returns:

stackIterator

public ListIterator<RuleConditionElement> stackIterator()

Returns a list iterator to iterate over the stacked elements

Returns:

getBetaconstraints

public List<BetaNodeFieldConstraint> getBetaconstraints()

Returns:

the betaconstraints

setBetaconstraints

public void setBetaconstraints(List<BetaNodeFieldConstraint> betaconstraints)

Parameters:

betaconstraints - the betaconstraints to set

getNextSequence

public int getNextSequence(String groupName)

getAlphaConstraints

public List<AlphaNodeFieldConstraint> getAlphaConstraints()

Returns:

setAlphaConstraints

public void setAlphaConstraints(List<AlphaNodeFieldConstraint> alphaConstraints)

isTupleMemoryEnabled

public boolean isTupleMemoryEnabled()

setTupleMemoryEnabled

public void setTupleMemoryEnabled(boolean hasLeftMemory)

isObjectTypeNodeMemoryEnabled

public boolean isObjectTypeNodeMemoryEnabled()

setObjectTypeNodeMemoryEnabled

public void setObjectTypeNodeMemoryEnabled(boolean hasObjectTypeMemory)

isQuery

public boolean isQuery()

getCurrentEntryPoint

public EntryPoint getCurrentEntryPoint()

Returns:

the currentEntryPoint

setCurrentEntryPoint

public void setCurrentEntryPoint(EntryPoint currentEntryPoint)

Parameters:

currentEntryPoint - the currentEntryPoint to set

getNodes

public List<BaseNode> getNodes()

Returns:

the nodes

setNodes

public void setNodes(List<BaseNode> nodes)

Parameters:

nodes - the nodes to set

getPartitionId

public RuleBasePartitionId getPartitionId()

Returns:

the partitionId

setPartitionId

public void setPartitionId(RuleBasePartitionId partitionId)

Parameters:

partitionId - the partitionId to set

setTemporalDistance

public void setTemporalDistance(TemporalDependencyMatrix temporal)

getTemporalDistance

public TemporalDependencyMatrix getTemporalDistance()

getBuildStack

public LinkedList<RuleConditionElement> getBuildStack()

getRule

public Rule getRule()

setRule

public void setRule(Rule rule)

popRuleComponent

public RuleComponent popRuleComponent()

Removes the top element from the rule component stack. The rule component stack is used to add trackability to the ReteOO nodes so that they can be linked to the rule components that originated them.

Returns:

peekRuleComponent

public RuleComponent peekRuleComponent()

Peeks at the top element from the rule component stack. The rule component stack is used to add trackability to the ReteOO nodes so that they can be linked to the rule components that originated them.

Returns:

pushRuleComponent

public void pushRuleComponent(RuleComponent ruleComponent)

Adds the ruleComponent to the top of the rule component stack. The rule component stack is used to add trackability to the ReteOO nodes so that they can be linked to the rule components that originated them.

setRootObjectTypeNode

public void setRootObjectTypeNode(ObjectTypeNode source)

getRootObjectTypeNode

public ObjectTypeNode getRootObjectTypeNode()

getLastBuiltPatterns

public Pattern[] getLastBuiltPatterns()

setLastBuiltPattern

public void setLastBuiltPattern(Pattern lastBuiltPattern)

setAttachPQN

public void setAttachPQN(boolean attachPQN)

isAttachPQN

public boolean isAttachPQN()

getComponentFactory

public ReteooComponentFactory getComponentFactory()

setComponentFactory

public void setComponentFactory(ReteooComponentFactory componentFactory)