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org.yajre.reteoo
Class ObjectTypeNode  

java.lang.Object
  org.yajre.reteoo.ObjectTypeNode

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public final class ObjectTypeNode

extends java.lang.Object

Filters Objects coming from the RootNode using a org.yajre.spi.ObjectType semantic module.

It receives Objects from the RootNode, uses a ObjectType instance to determine membership, and propagates matching Objects further to all matching ParameterNodes.

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Field Summary
private  java.util.Map	declarations           Declarations indexed by declaration identifier.
private  org.yajre.spi.ObjectType	objectType           The ObjectType semantic module.
private  java.util.List	parameters           ParameterNode heads of their respective rule chains.

 

Constructor Summary
(package private)	ObjectTypeNode(org.yajre.spi.ObjectType objectType)           Construct given a semantic ObjectType.

 

Method Summary
protected  void	addParameterNode(ParameterNode node)           Add a ParameterNode child to this node.
void	assert(org.yajre.spi.Declaration decl, java.lang.Object object, org.yajre.WorkingMemory mem)           Assert a fact.
org.yajre.spi.ObjectType	getObjectType()           Retrieve the semantic ObjectType differentiator.
org.yajre.spi.Declaration	identity(java.lang.String parmid)
void	modify(org.yajre.spi.Declaration decl, java.lang.Object object, org.yajre.WorkingMemory mem)           Modify a fact object in this RuleBase and the specified WorkingMemory.
void	retract(org.yajre.spi.Declaration decl, org.yajre.WorkingMemory mem)           Retract a fact object from this RuleBase and the specified WorkingMemory.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

objectType

private org.yajre.spi.ObjectType objectType

The ObjectType semantic module.

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parameters

private final java.util.List parameters

ParameterNode heads of their respective rule chains.

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declarations

private final java.util.Map declarations

Declarations indexed by declaration identifier.

Constructor Detail

ObjectTypeNode

ObjectTypeNode(org.yajre.spi.ObjectType objectType)

Construct given a semantic ObjectType.

Method Detail

identity

public final org.yajre.spi.Declaration identity(java.lang.String parmid)

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getObjectType

public final org.yajre.spi.ObjectType getObjectType()

Retrieve the semantic ObjectType differentiator.

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addParameterNode

protected final void addParameterNode(ParameterNode node)

Add a ParameterNode child to this node.

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assert

public final void assert(org.yajre.spi.Declaration decl,
                         java.lang.Object object,
                         org.yajre.WorkingMemory mem)
                  throws org.yajre.AssertionException

Assert a fact.

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retract

public final void retract(org.yajre.spi.Declaration decl,
                          org.yajre.WorkingMemory mem)
                   throws org.yajre.RetractionException

Retract a fact object from this RuleBase and the specified WorkingMemory.

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modify

public final void modify(org.yajre.spi.Declaration decl,
                         java.lang.Object object,
                         org.yajre.WorkingMemory mem)
                  throws org.yajre.ModificationException

Modify a fact object in this RuleBase and the specified WorkingMemory. With the exception of time-based nodes, modification of a fact object is semantically equivelent to retracting and re-asserting it.

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