Package org.drools.core.reteoo
Class ConditionalBranchNode
- java.lang.Object
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- org.drools.core.common.BaseNode
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- org.drools.core.reteoo.LeftTupleSource
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- org.drools.core.reteoo.ConditionalBranchNode
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- All Implemented Interfaces:
Externalizable
,Serializable
,MemoryFactory<ConditionalBranchNode.ConditionalBranchMemory>
,NetworkNode
,LeftTupleNode
,LeftTupleSink
,LeftTupleSinkNode
,Sink
public class ConditionalBranchNode extends LeftTupleSource implements LeftTupleSinkNode, MemoryFactory<ConditionalBranchNode.ConditionalBranchMemory>
Node which allows to follow different paths in the Rete-OO network, based on the result of a booleanTest
.- See Also:
- Serialized Form
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Nested Class Summary
Nested Classes Modifier and Type Class Description static class
ConditionalBranchNode.ConditionalBranchMemory
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Field Summary
Fields Modifier and Type Field Description protected ConditionalBranchEvaluator
branchEvaluator
protected boolean
tupleMemoryEnabled
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Fields inherited from class org.drools.core.reteoo.LeftTupleSource
leftDeclaredMask, leftInferredMask, leftInput, leftNegativeMask, sink
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Fields inherited from class org.drools.core.common.BaseNode
associations, hashcode, id, memoryId, partitionId, partitionsEnabled
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Constructor Summary
Constructors Constructor Description ConditionalBranchNode()
ConditionalBranchNode(int id, LeftTupleSource tupleSource, ConditionalBranchEvaluator branchEvaluator, BuildContext context)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description LeftTuple
createLeftTuple(InternalFactHandle factHandle, boolean leftTupleMemoryEnabled)
LeftTuple
createLeftTuple(InternalFactHandle factHandle, LeftTuple leftTuple, Sink sink)
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)
ConditionalBranchNode.ConditionalBranchMemory
createMemory(RuleBaseConfiguration config, InternalWorkingMemory wm)
LeftTuple
createPeer(LeftTuple original)
void
doAttach(BuildContext context)
protected boolean
doRemove(RuleRemovalContext context, ReteooBuilder builder)
Removes the node from the network.boolean
equals(Object object)
ConditionalBranchEvaluator
getBranchEvaluator()
LeftTupleSinkNode
getNextLeftTupleSinkNode()
Returns the next nodeObjectTypeNode
getObjectTypeNode()
LeftTupleSinkNode
getPreviousLeftTupleSinkNode()
Returns the previous nodeshort
getType()
protected void
initDeclaredMask(BuildContext context, LeftTupleSource leftInput)
boolean
isLeftTupleMemoryEnabled()
void
networkUpdated(UpdateContext updateContext)
A method that is called for all nodes whose network below them changed, after the change is complete, providing them with an opportunity for state updatevoid
readExternal(ObjectInput in)
void
setLeftTupleMemoryEnabled(boolean tupleMemoryEnabled)
void
setNextLeftTupleSinkNode(LeftTupleSinkNode next)
Sets the next nodevoid
setPreviousLeftTupleSinkNode(LeftTupleSinkNode previous)
Sets the previous nodeString
toString()
Produce a debug string.void
writeExternal(ObjectOutput out)
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Methods inherited from class org.drools.core.reteoo.LeftTupleSource
addTupleSink, addTupleSink, addTupleSink, getLeftDeclaredMask, getLeftInferredMask, getLeftInputOtnId, getLeftInputPattern, getLeftNegativeMask, getLeftTupleSource, getObjectCount, getObjectType, getObjectTypeForPropertyReactivity, getPathIndex, getSinkPropagator, initInferredMask, initMasks, isInUse, removeTupleSink, setLeftInferredMask, setLeftInputOtnId, setLeftListenedProperties, setLeftTupleSource, setNodeConstraintsPropertyReactiveMask, setObjectCount, setPartitionIdWithSinks, setSourcePartitionId, setSourcePartitionId
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Methods inherited from class org.drools.core.common.BaseNode
addAssociation, addAssociation, attach, getAssociatedRules, getAssociatedRuleSize, getAssociationsSize, getAssociationsSize, getId, getMemoryId, getPartitionId, getSinks, hashCode, initMemoryId, isAssociatedWith, isStreamMode, remove, removeAssociation, setId, setPartitionId, setPartitionsEnabled, setStreamMode
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Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
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Methods inherited from interface org.drools.core.reteoo.LeftTupleNode
getLeftTupleSource, getObjectCount, getPathIndex, getSinkPropagator, setObjectCount
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Methods inherited from interface org.drools.core.reteoo.LeftTupleSink
getLeftInferredMask, getLeftInputOtnId, setLeftInputOtnId, setPartitionIdWithSinks
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Methods inherited from interface org.drools.core.common.MemoryFactory
getMemoryId
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Methods inherited from interface org.drools.core.common.NetworkNode
getAssociatedRules, getAssociatedRuleSize, getAssociationsSize, getAssociationsSize, getId, getPartitionId, isAssociatedWith
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Field Detail
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branchEvaluator
protected ConditionalBranchEvaluator branchEvaluator
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tupleMemoryEnabled
protected boolean tupleMemoryEnabled
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Constructor Detail
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ConditionalBranchNode
public ConditionalBranchNode()
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ConditionalBranchNode
public ConditionalBranchNode(int id, LeftTupleSource tupleSource, ConditionalBranchEvaluator branchEvaluator, BuildContext context)
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Method Detail
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readExternal
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException
- Specified by:
readExternal
in interfaceExternalizable
- Overrides:
readExternal
in classLeftTupleSource
- Throws:
IOException
ClassNotFoundException
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writeExternal
public void writeExternal(ObjectOutput out) throws IOException
- Specified by:
writeExternal
in interfaceExternalizable
- Overrides:
writeExternal
in classLeftTupleSource
- Throws:
IOException
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getBranchEvaluator
public ConditionalBranchEvaluator getBranchEvaluator()
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doAttach
public void doAttach(BuildContext context)
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networkUpdated
public void networkUpdated(UpdateContext updateContext)
Description copied from class:BaseNode
A method that is called for all nodes whose network below them changed, after the change is complete, providing them with an opportunity for state update- Specified by:
networkUpdated
in classBaseNode
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toString
public String toString()
Produce a debug string.
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createMemory
public ConditionalBranchNode.ConditionalBranchMemory createMemory(RuleBaseConfiguration config, InternalWorkingMemory wm)
- Specified by:
createMemory
in interfaceMemoryFactory<ConditionalBranchNode.ConditionalBranchMemory>
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createPeer
public LeftTuple createPeer(LeftTuple original)
- Specified by:
createPeer
in interfaceLeftTupleSink
- Specified by:
createPeer
in classLeftTupleSource
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isLeftTupleMemoryEnabled
public boolean isLeftTupleMemoryEnabled()
- Specified by:
isLeftTupleMemoryEnabled
in interfaceLeftTupleSink
- Specified by:
isLeftTupleMemoryEnabled
in classLeftTupleSource
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setLeftTupleMemoryEnabled
public void setLeftTupleMemoryEnabled(boolean tupleMemoryEnabled)
- Specified by:
setLeftTupleMemoryEnabled
in interfaceLeftTupleSink
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getNextLeftTupleSinkNode
public LeftTupleSinkNode getNextLeftTupleSinkNode()
Returns the next node- Specified by:
getNextLeftTupleSinkNode
in interfaceLeftTupleSinkNode
- Returns:
- The next TupleSinkNode
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setNextLeftTupleSinkNode
public void setNextLeftTupleSinkNode(LeftTupleSinkNode next)
Sets the next node- Specified by:
setNextLeftTupleSinkNode
in interfaceLeftTupleSinkNode
- Parameters:
next
- The next TupleSinkNode
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getPreviousLeftTupleSinkNode
public LeftTupleSinkNode getPreviousLeftTupleSinkNode()
Returns the previous node- Specified by:
getPreviousLeftTupleSinkNode
in interfaceLeftTupleSinkNode
- Returns:
- The previous TupleSinkNode
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setPreviousLeftTupleSinkNode
public void setPreviousLeftTupleSinkNode(LeftTupleSinkNode previous)
Sets the previous node- Specified by:
setPreviousLeftTupleSinkNode
in interfaceLeftTupleSinkNode
- Parameters:
previous
- The previous TupleSinkNode
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getType
public short getType()
- Specified by:
getType
in interfaceNetworkNode
- Specified by:
getType
in classLeftTupleSource
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createLeftTuple
public LeftTuple createLeftTuple(InternalFactHandle factHandle, boolean leftTupleMemoryEnabled)
- Specified by:
createLeftTuple
in interfaceLeftTupleSink
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createLeftTuple
public LeftTuple createLeftTuple(InternalFactHandle factHandle, LeftTuple leftTuple, Sink sink)
- Specified by:
createLeftTuple
in interfaceLeftTupleSink
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createLeftTuple
public LeftTuple createLeftTuple(LeftTuple leftTuple, Sink sink, PropagationContext pctx, boolean leftTupleMemoryEnabled)
- Specified by:
createLeftTuple
in interfaceLeftTupleSink
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createLeftTuple
public LeftTuple createLeftTuple(LeftTuple leftTuple, RightTuple rightTuple, Sink sink)
- Specified by:
createLeftTuple
in interfaceLeftTupleSink
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createLeftTuple
public LeftTuple createLeftTuple(LeftTuple leftTuple, RightTuple rightTuple, LeftTuple currentLeftChild, LeftTuple currentRightChild, Sink sink, boolean leftTupleMemoryEnabled)
- Specified by:
createLeftTuple
in interfaceLeftTupleSink
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getObjectTypeNode
public ObjectTypeNode getObjectTypeNode()
- Specified by:
getObjectTypeNode
in classBaseNode
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doRemove
protected boolean doRemove(RuleRemovalContext context, ReteooBuilder builder)
Description copied from class:BaseNode
Removes the node from the network. Usually from the parentObjectSource
orTupleSource
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initDeclaredMask
protected void initDeclaredMask(BuildContext context, LeftTupleSource leftInput)
- Overrides:
initDeclaredMask
in classLeftTupleSource
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