Package org.drools.core.reteoo
Class QueryElementNode
- 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.QueryElementNode
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- All Implemented Interfaces:
java.io.Serializable
,org.drools.base.common.NetworkNode
,MemoryFactory<QueryElementNode.QueryElementNodeMemory>
,LeftTupleNode
,LeftTupleSink
,LeftTupleSinkNode
,Sink
public class QueryElementNode extends LeftTupleSource implements LeftTupleSinkNode, MemoryFactory<QueryElementNode.QueryElementNodeMemory>
- See Also:
- Serialized Form
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Nested Class Summary
Nested Classes Modifier and Type Class Description static class
QueryElementNode.QueryElementNodeMemory
static class
QueryElementNode.UnificationNodeViewChangedEventListener
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Field Summary
Fields Modifier and Type Field Description protected boolean
openQuery
protected org.drools.base.rule.QueryElement
queryElement
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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 QueryElementNode()
QueryElementNode(int id, LeftTupleSource tupleSource, org.drools.base.rule.QueryElement queryElement, boolean tupleMemoryEnabled, boolean openQuery, BuildContext context)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected QueryElementNode.UnificationNodeViewChangedEventListener
createCollector(LeftTuple leftTuple, int[] varIndexes, boolean tupleMemoryEnabled)
DroolsQueryImpl
createDroolsQuery(LeftTuple leftTuple, InternalFactHandle handle, StackEntry stackEntry, java.util.List<PathMemory> pmems, QueryElementNode.QueryElementNodeMemory qmem, LeftTupleSink sink, ReteEvaluator reteEvaluator)
InternalFactHandle
createFactHandle(PropagationContext context, ReteEvaluator reteEvaluator, LeftTuple leftTuple)
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)
QueryElementNode.QueryElementNodeMemory
createMemory(RuleBaseConfiguration config, ReteEvaluator reteEvaluator)
LeftTuple
createPeer(LeftTuple original)
void
doAttach(BuildContext context)
protected boolean
doRemove(RuleRemovalContext context, ReteooBuilder builder)
Removes the node from the network.boolean
equals(java.lang.Object object)
java.lang.Object[]
getActualArguments(LeftTuple leftTuple, ReteEvaluator reteEvaluator)
LeftTupleSinkNode
getNextLeftTupleSinkNode()
Returns the next nodeObjectTypeNode
getObjectTypeNode()
LeftTupleSinkNode
getPreviousLeftTupleSinkNode()
Returns the previous nodeorg.drools.base.rule.QueryElement
getQueryElement()
short
getType()
boolean
isLeftTupleMemoryEnabled()
boolean
isOpenQuery()
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
setNextLeftTupleSinkNode(LeftTupleSinkNode next)
Sets the next nodevoid
setPreviousLeftTupleSinkNode(LeftTupleSinkNode previous)
Sets the previous nodejava.lang.String
toString()
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Methods inherited from class org.drools.core.reteoo.LeftTupleSource
addTupleSink, addTupleSink, addTupleSink, getFirstLeftTupleSinkIgnoreRemoving, getLeftDeclaredMask, getLeftInferredMask, getLeftInputOtnId, getLeftInputPattern, getLeftNegativeMask, getLeftTupleSource, getObjectCount, getObjectType, getObjectTypeForPropertyReactivity, getPathIndex, getSinkPropagator, initDeclaredMask, 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
addAssociatedTerminal, addAssociation, addAssociation, attach, getAssociatedRules, getAssociatedTerminalsSize, getAssociationsSize, getId, getMemoryId, getPartitionId, getSinks, hasAssociatedTerminal, hashCode, initMemoryId, isAssociatedWith, isStreamMode, remove, removeAssociatedTerminal, 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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Constructor Detail
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QueryElementNode
public QueryElementNode()
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QueryElementNode
public QueryElementNode(int id, LeftTupleSource tupleSource, org.drools.base.rule.QueryElement queryElement, boolean tupleMemoryEnabled, boolean openQuery, BuildContext context)
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Method Detail
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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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getType
public short getType()
- Specified by:
getType
in interfaceorg.drools.base.common.NetworkNode
- Specified by:
getType
in classLeftTupleSource
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isLeftTupleMemoryEnabled
public boolean isLeftTupleMemoryEnabled()
- Specified by:
isLeftTupleMemoryEnabled
in interfaceLeftTupleSink
- Specified by:
isLeftTupleMemoryEnabled
in classLeftTupleSource
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getQueryElement
public org.drools.base.rule.QueryElement getQueryElement()
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isOpenQuery
public boolean isOpenQuery()
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createFactHandle
public InternalFactHandle createFactHandle(PropagationContext context, ReteEvaluator reteEvaluator, LeftTuple leftTuple)
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createDroolsQuery
public DroolsQueryImpl createDroolsQuery(LeftTuple leftTuple, InternalFactHandle handle, StackEntry stackEntry, java.util.List<PathMemory> pmems, QueryElementNode.QueryElementNodeMemory qmem, LeftTupleSink sink, ReteEvaluator reteEvaluator)
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getActualArguments
public java.lang.Object[] getActualArguments(LeftTuple leftTuple, ReteEvaluator reteEvaluator)
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createCollector
protected QueryElementNode.UnificationNodeViewChangedEventListener createCollector(LeftTuple leftTuple, int[] varIndexes, boolean tupleMemoryEnabled)
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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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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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equals
public boolean equals(java.lang.Object object)
- Overrides:
equals
in classjava.lang.Object
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createMemory
public QueryElementNode.QueryElementNodeMemory createMemory(RuleBaseConfiguration config, ReteEvaluator reteEvaluator)
- Specified by:
createMemory
in interfaceMemoryFactory<QueryElementNode.QueryElementNodeMemory>
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getObjectTypeNode
public ObjectTypeNode getObjectTypeNode()
- Specified by:
getObjectTypeNode
in classBaseNode
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createPeer
public LeftTuple createPeer(LeftTuple original)
- Specified by:
createPeer
in interfaceLeftTupleSink
- Specified by:
createPeer
in classLeftTupleSource
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doAttach
public void doAttach(BuildContext context)
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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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