org.drools.core.reteoo

Class QueryElementNode

java.lang.Object

LeftTupleSource

org.drools.core.reteoo.QueryElementNode

public class QueryElementNode
extends LeftTupleSource

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	QueryElementNode.QueryElementNodeMemory
static class	QueryElementNode.UnificationNodeViewChangedEventListener

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	openQuery
protected QueryElement	queryElement

Constructor Summary

Constructors

Constructor and Description
QueryElementNode()
QueryElementNode(int id, LeftTupleSource tupleSource, QueryElement queryElement, boolean tupleMemoryEnabled, boolean openQuery, BuildContext context)

Method Summary

Modifier and Type	Method and Description
void	assertLeftTuple(LeftTuple leftTuple, PropagationContext context, InternalWorkingMemory workingMemory)
void	attach(BuildContext context)
protected QueryElementNode.UnificationNodeViewChangedEventListener	createCollector(LeftTuple leftTuple, int[] varIndexes, boolean tupleMemoryEnabled)
DroolsQuery	createDroolsQuery(LeftTuple leftTuple, InternalFactHandle handle, StackEntry stackEntry, java.util.List<PathMemory> pmems, QueryElementNode.QueryElementNodeMemory qmem, LeftTupleSink sink, InternalWorkingMemory workingMemory)
InternalFactHandle	createFactHandle(PropagationContext context, InternalWorkingMemory workingMemory, LeftTuple leftTuple)
LeftTuple	createLeftTuple(InternalFactHandle factHandle, LeftTuple leftTuple, Sink sink)
LeftTuple	createLeftTuple(InternalFactHandle factHandle, Sink sink, boolean leftTupleMemoryEnabled)
LeftTuple	createLeftTuple(LeftTuple leftTuple, RightTuple rightTuple, LeftTuple currentLeftChild, LeftTuple currentRightChild, Sink sink, boolean leftTupleMemoryEnabled)
LeftTuple	createLeftTuple(LeftTuple leftTuple, RightTuple rightTuple, Sink sink)
LeftTuple	createLeftTuple(LeftTuple leftTuple, Sink sink, PropagationContext pctx, boolean leftTupleMemoryEnabled)
QueryElementNode.QueryElementNodeMemory	createMemory(RuleBaseConfiguration config, InternalWorkingMemory wm)
LeftTuple	createPeer(LeftTuple original)
protected boolean	doRemove(RuleRemovalContext context, ReteooBuilder builder, InternalWorkingMemory[] workingMemories)
boolean	equals(java.lang.Object object)
java.lang.Object[]	getActualArguments(LeftTuple leftTuple, InternalWorkingMemory workingMemory)
LeftTupleSinkNode	getNextLeftTupleSinkNode() Returns the next node
ObjectTypeNode	getObjectTypeNode()
LeftTupleSinkNode	getPreviousLeftTupleSinkNode() Returns the previous node
QueryElement	getQueryElement()
short	getType()
protected boolean	internalEquals(java.lang.Object object)
boolean	isLeftTupleMemoryEnabled()
boolean	isOpenQuery()
void	networkUpdated(UpdateContext updateContext)
void	readExternal(java.io.ObjectInput in)
void	retractLeftTuple(LeftTuple leftTuple, PropagationContext context, InternalWorkingMemory workingMemory)
void	setLeftTupleMemoryEnabled(boolean tupleMemoryEnabled)
void	setNextLeftTupleSinkNode(LeftTupleSinkNode next) Sets the next node
void	setPreviousLeftTupleSinkNode(LeftTupleSinkNode previous) Sets the previous node
java.lang.String	toString()
void	writeExternal(java.io.ObjectOutput out)

Methods inherited from class java.lang.Object

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

Field Detail

queryElement

protected QueryElement queryElement

openQuery

protected boolean openQuery

Constructor Detail

QueryElementNode

public QueryElementNode()

QueryElementNode

public QueryElementNode(int id,
                        LeftTupleSource tupleSource,
                        QueryElement queryElement,
                        boolean tupleMemoryEnabled,
                        boolean openQuery,
                        BuildContext context)

Method Detail

readExternal

public void readExternal(java.io.ObjectInput in)
                  throws java.io.IOException,
                         java.lang.ClassNotFoundException

Throws:

java.io.IOException

java.lang.ClassNotFoundException

writeExternal

public void writeExternal(java.io.ObjectOutput out)
                   throws java.io.IOException

Throws:

java.io.IOException

networkUpdated

public void networkUpdated(UpdateContext updateContext)

getType

public short getType()

isLeftTupleMemoryEnabled

public boolean isLeftTupleMemoryEnabled()

getQueryElement

public QueryElement getQueryElement()

isOpenQuery

public boolean isOpenQuery()

createFactHandle

public InternalFactHandle createFactHandle(PropagationContext context,
                                           InternalWorkingMemory workingMemory,
                                           LeftTuple leftTuple)

createDroolsQuery

public DroolsQuery createDroolsQuery(LeftTuple leftTuple,
                                     InternalFactHandle handle,
                                     StackEntry stackEntry,
                                     java.util.List<PathMemory> pmems,
                                     QueryElementNode.QueryElementNodeMemory qmem,
                                     LeftTupleSink sink,
                                     InternalWorkingMemory workingMemory)

getActualArguments

public java.lang.Object[] getActualArguments(LeftTuple leftTuple,
                                             InternalWorkingMemory workingMemory)

createCollector

protected QueryElementNode.UnificationNodeViewChangedEventListener createCollector(LeftTuple leftTuple,
                                                                                   int[] varIndexes,
                                                                                   boolean tupleMemoryEnabled)

setLeftTupleMemoryEnabled

public void setLeftTupleMemoryEnabled(boolean tupleMemoryEnabled)

getNextLeftTupleSinkNode

public LeftTupleSinkNode getNextLeftTupleSinkNode()

Returns the next node

Returns:

The next TupleSinkNode

setNextLeftTupleSinkNode

public void setNextLeftTupleSinkNode(LeftTupleSinkNode next)

Sets the next node

Parameters:

next - The next TupleSinkNode

getPreviousLeftTupleSinkNode

public LeftTupleSinkNode getPreviousLeftTupleSinkNode()

Returns the previous node

Returns:

The previous TupleSinkNode

setPreviousLeftTupleSinkNode

public void setPreviousLeftTupleSinkNode(LeftTupleSinkNode previous)

Sets the previous node

Parameters:

previous - The previous TupleSinkNode

createLeftTuple

public LeftTuple createLeftTuple(InternalFactHandle factHandle,
                                 Sink sink,
                                 boolean leftTupleMemoryEnabled)

createLeftTuple

public LeftTuple createLeftTuple(InternalFactHandle factHandle,
                                 LeftTuple leftTuple,
                                 Sink sink)

createLeftTuple

public LeftTuple createLeftTuple(LeftTuple leftTuple,
                                 Sink sink,
                                 PropagationContext pctx,
                                 boolean leftTupleMemoryEnabled)

createLeftTuple

public LeftTuple createLeftTuple(LeftTuple leftTuple,
                                 RightTuple rightTuple,
                                 Sink sink)

createLeftTuple

public LeftTuple createLeftTuple(LeftTuple leftTuple,
                                 RightTuple rightTuple,
                                 LeftTuple currentLeftChild,
                                 LeftTuple currentRightChild,
                                 Sink sink,
                                 boolean leftTupleMemoryEnabled)

equals

public boolean equals(java.lang.Object object)

internalEquals

protected boolean internalEquals(java.lang.Object object)

createMemory

public QueryElementNode.QueryElementNodeMemory createMemory(RuleBaseConfiguration config,
                                                            InternalWorkingMemory wm)

getObjectTypeNode

public ObjectTypeNode getObjectTypeNode()

createPeer

public LeftTuple createPeer(LeftTuple original)

toString

public java.lang.String toString()

assertLeftTuple

public void assertLeftTuple(LeftTuple leftTuple,
                            PropagationContext context,
                            InternalWorkingMemory workingMemory)

retractLeftTuple

public void retractLeftTuple(LeftTuple leftTuple,
                             PropagationContext context,
                             InternalWorkingMemory workingMemory)

attach

public void attach(BuildContext context)

doRemove

protected boolean doRemove(RuleRemovalContext context,
                           ReteooBuilder builder,
                           InternalWorkingMemory[] workingMemories)