QueryTerminalNode (Drools 4.0.0.11754MR2 API) - JBoss RULES 4.0.0.11754MR2 API 英文版文档

org.drools.reteoo
Class QueryTerminalNode

java.lang.Object
  org.drools.common.BaseNode
      org.drools.reteoo.QueryTerminalNode

All Implemented Interfaces:

Serializable, NetworkNode, NodeMemory, TerminalNode, TupleSink

public final class QueryTerminalNode
extends BaseNode
implements TupleSink, NodeMemory, TerminalNode

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

Author:

bob mcwhirter

See Also:

Rule, Serialized Form

Field Summary

 

Fields inherited from class org.drools.common.BaseNode
hasMemory, id, sharedCount

 

Constructor Summary
QueryTerminalNode(int id, TupleSource source, Rule rule, GroupElement subrule)           Construct.

 

Method Summary
void	assertTuple(ReteTuple tuple, PropagationContext context, InternalWorkingMemory workingMemory)           Assert a new Tuple.
void	attach()           Attaches the node into the network.
void	attach(InternalWorkingMemory[] workingMemories)
Object	createMemory(RuleBaseConfiguration config)
Rule	getRule()           Retrieve the Action associated with this node.
GroupElement	getSubrule()
void	remove(BaseNode node, InternalWorkingMemory[] workingMemories)           Removes the node from teh network.
void	retractTuple(ReteTuple tuple, PropagationContext context, InternalWorkingMemory workingMemory)
void	ruleAttached()
String	toString()
void	updateNewNode(InternalWorkingMemory workingMemory, PropagationContext context)

 

Methods inherited from class org.drools.common.BaseNode
addShare, getId, getSharedCount, hashCode, hasMemory, isInUse, isShared, removeShare, setHasMemory

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, notify, notifyAll, wait, wait, wait

 

Methods inherited from interface org.drools.common.NodeMemory
getId

 

Constructor Detail

QueryTerminalNode

public QueryTerminalNode(int id,
                         TupleSource source,
                         Rule rule,
                         GroupElement subrule)

Construct.

Parameters:

inputSource - The parent tuple source.

rule - The rule.

getRule

public Rule getRule()

Retrieve the Action associated with this node.

Returns:

The Action associated with this node.

assertTuple

public void assertTuple(ReteTuple tuple,
                        PropagationContext context,
                        InternalWorkingMemory workingMemory)

Assert a new Tuple.

Specified by:

assertTuple in interface TupleSink

Parameters:

tuple - The Tuple being asserted.

workingMemory - The working memory seesion.

context - The PropagationContext of the WorkingMemory action

Throws:

AssertionException - If an error occurs while asserting.

public void retractTuple(ReteTuple tuple,
                         PropagationContext context,
                         InternalWorkingMemory workingMemory)

public String toString()

public void ruleAttached()

public void attach()

public void attach(InternalWorkingMemory[] workingMemories)

public void remove(BaseNode node,
                   InternalWorkingMemory[] workingMemories)

public void updateNewNode(InternalWorkingMemory workingMemory,
                          PropagationContext context)

public Object createMemory(RuleBaseConfiguration config)

public GroupElement getSubrule()