org.drools.core.reteoo

Class QueryTerminalNode

java.lang.Object

org.drools.core.common.BaseNode

org.drools.core.reteoo.AbstractTerminalNode

org.drools.core.reteoo.QueryTerminalNode

All Implemented Interfaces:

Externalizable, Serializable, MemoryFactory<PathMemory>, NetworkNode, LeftTupleNode, LeftTupleSink, LeftTupleSinkNode, PathEndNode, Sink, TerminalNode

public class QueryTerminalNode
extends AbstractTerminalNode
implements LeftTupleSinkNode

Leaf Rete-OO node responsible for enacting Action s on a matched Rule.

See Also:

Rule, Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.drools.core.reteoo.PathEndNode

PathEndNode.PathMemSpec

Field Summary

Fields

Modifier and Type	Field and Description
protected QueryImpl	query The rule to invoke upon match.
static short	type

Fields inherited from class org.drools.core.common.BaseNode

associations, hashcode, id, memoryId, partitionId, partitionsEnabled

Constructor Summary

Constructors

Constructor and Description
QueryTerminalNode()
QueryTerminalNode(int id, LeftTupleSource source, RuleImpl rule, GroupElement subrule, int subruleIndex, BuildContext context) Constructor

Method Summary

Modifier and Type	Method and Description
void	attach(BuildContext context) Attaches the node into the network.
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)
LeftTuple	createPeer(LeftTuple original)
boolean	equals(Object object)
Declaration[]	getAllDeclarations()
ObjectTypeNode.Id	getLeftInputOtnId()
LeftTupleSinkNode	getNextLeftTupleSinkNode() Returns the next node
LeftTupleSinkNode	getPreviousLeftTupleSinkNode() Returns the previous node
QueryImpl	getQuery()
Declaration[]	getRequiredDeclarations()
RuleImpl	getRule()
Declaration[]	getSalienceDeclarations()
GroupElement	getSubRule()
int	getSubruleIndex()
short	getType()
boolean	isFireDirect()
void	readExternal(ObjectInput in)
void	setLeftInputOtnId(ObjectTypeNode.Id leftInputOtnId)
void	setNextLeftTupleSinkNode(LeftTupleSinkNode next) Sets the next node
void	setPreviousLeftTupleSinkNode(LeftTupleSinkNode previous) Sets the previous node
String	toString()
void	writeExternal(ObjectOutput out)

Methods inherited from class org.drools.core.reteoo.AbstractTerminalNode

createMemory, doRemove, getDeclaredMask, getInferredMask, getLeftInferredMask, getLeftTupleSource, getNegativeMask, getObjectTypeNode, getPathEndNodes, getPathMemSpec, getPathNodes, getPathNodes, getPositionInPath, getSinkPropagator, hasPathNode, initDeclaredMask, initInferredMask, initPathMemory, isInUse, isLeftTupleMemoryEnabled, isTerminalNodeOf, networkUpdated, resetPathMemSpec, setDeclaredMask, setInferredMask, setLeftTupleMemoryEnabled, setNegativeMask, setPartitionIdWithSinks, setPathEndNodes, unwrapTupleSource

Methods inherited from class org.drools.core.common.BaseNode

addAssociation, addAssociation, getAssociatedRules, getAssociatedRuleSize, getAssociationsSize, getAssociationsSize, getId, getMemoryId, getPartitionId, getSinks, hashCode, initMemoryId, isAssociatedWith, isStreamMode, remove, removeAssociation, setId, setPartitionId, setPartitionsEnabled, setStreamMode

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.drools.core.reteoo.LeftTupleSink

getLeftInferredMask, isLeftTupleMemoryEnabled, setLeftTupleMemoryEnabled, setPartitionIdWithSinks

Methods inherited from interface org.drools.core.reteoo.LeftTupleNode

getLeftTupleSource, getPositionInPath, getSinkPropagator

Methods inherited from interface org.drools.core.common.NetworkNode

getAssociatedRuleSize, getAssociationsSize, getAssociationsSize, getId, getPartitionId, isAssociatedWith

Methods inherited from interface org.drools.core.common.MemoryFactory

getMemoryId

Methods inherited from interface org.drools.core.reteoo.PathEndNode

calculatePathMemSpec, calculatePathMemSpec, hasConditionalBranchNode

Field Detail

type

public static final short type

See Also:

Constant Field Values

query

protected QueryImpl query

The rule to invoke upon match.

Constructor Detail

QueryTerminalNode

public QueryTerminalNode()

QueryTerminalNode

public QueryTerminalNode(int id,
                         LeftTupleSource source,
                         RuleImpl rule,
                         GroupElement subrule,
                         int subruleIndex,
                         BuildContext context)

Constructor

Parameters:

id - node ID

source - the tuple source for this node

rule - the rule this node belongs to

subrule - the subrule this node belongs to

context - the current build context

Method Detail

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Overrides:

readExternal in class AbstractTerminalNode

Throws:

IOException

ClassNotFoundException

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Overrides:

writeExternal in class AbstractTerminalNode

Throws:

IOException

getQuery

public QueryImpl getQuery()

getRule

public RuleImpl getRule()

Specified by:

getRule in interface TerminalNode

Specified by:

getRule in class AbstractTerminalNode

equals

public boolean equals(Object object)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class BaseNode

getSubRule

public GroupElement getSubRule()

Specified by:

getSubRule in interface TerminalNode

Returns:

the subrule

isFireDirect

public boolean isFireDirect()

Specified by:

isFireDirect in interface TerminalNode

getAllDeclarations

public Declaration[] getAllDeclarations()

Specified by:

getAllDeclarations in interface TerminalNode

getRequiredDeclarations

public Declaration[] getRequiredDeclarations()

Specified by:

getRequiredDeclarations in interface TerminalNode

getSubruleIndex

public int getSubruleIndex()

getPreviousLeftTupleSinkNode

public LeftTupleSinkNode getPreviousLeftTupleSinkNode()

Returns the previous node

Specified by:

getPreviousLeftTupleSinkNode in interface LeftTupleSinkNode

Returns:

The previous TupleSinkNode

setPreviousLeftTupleSinkNode

public void setPreviousLeftTupleSinkNode(LeftTupleSinkNode previous)

Sets the previous node

Specified by:

setPreviousLeftTupleSinkNode in interface LeftTupleSinkNode

Parameters:

previous - The previous TupleSinkNode

getNextLeftTupleSinkNode

public LeftTupleSinkNode getNextLeftTupleSinkNode()

Returns the next node

Specified by:

getNextLeftTupleSinkNode in interface LeftTupleSinkNode

Returns:

The next TupleSinkNode

setNextLeftTupleSinkNode

public void setNextLeftTupleSinkNode(LeftTupleSinkNode next)

Sets the next node

Specified by:

setNextLeftTupleSinkNode in interface LeftTupleSinkNode

Parameters:

next - The next TupleSinkNode

getType

public short getType()

Specified by:

getType in interface NetworkNode

createLeftTuple

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

Specified by:

createLeftTuple in interface LeftTupleSink

createLeftTuple

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

Specified by:

createLeftTuple in interface LeftTupleSink

createLeftTuple

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

Specified by:

createLeftTuple in interface LeftTupleSink

createLeftTuple

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

Specified by:

createLeftTuple in interface LeftTupleSink

createLeftTuple

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

Specified by:

createLeftTuple in interface LeftTupleSink

getLeftInputOtnId

public ObjectTypeNode.Id getLeftInputOtnId()

Specified by:

getLeftInputOtnId in interface LeftTupleSink

setLeftInputOtnId

public void setLeftInputOtnId(ObjectTypeNode.Id leftInputOtnId)

Specified by:

setLeftInputOtnId in interface LeftTupleSink

createPeer

public LeftTuple createPeer(LeftTuple original)

Specified by:

createPeer in interface LeftTupleSink

Overrides:

createPeer in class AbstractTerminalNode

getSalienceDeclarations

public Declaration[] getSalienceDeclarations()

Specified by:

getSalienceDeclarations in interface TerminalNode

attach

public void attach(BuildContext context)

Description copied from class: BaseNode

Attaches the node into the network. Usually to the parent ObjectSource or TupleSource

Specified by:

attach in class BaseNode