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ReteooRuleBase - JBoss RULES 3.0.6 API 英文版文档

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org.drools.reteoo
Class ReteooRuleBase

java.lang.Object
  org.drools.common.AbstractRuleBase
      org.drools.reteoo.ReteooRuleBase

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, InternalRuleBase, RuleBase

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public class ReteooRuleBase
extends AbstractRuleBase

Implementation of RuleBase.

See Also:

Serialized Form

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Field Summary

 

Fields inherited from class org.drools.common.AbstractRuleBase
config, factHandleFactory, globals, packageClassLoader, pkgs, PRESENT, workingMemories

 

Fields inherited from interface org.drools.RuleBase
LEAPS, RETEOO

 

Constructor Summary
ReteooRuleBase()           Construct.
ReteooRuleBase(FactHandleFactory factHandleFactory)
ReteooRuleBase(RuleBaseConfiguration config)
ReteooRuleBase(RuleBaseConfiguration config, FactHandleFactory factHandleFactory)           Construct.

 

Method Summary
protected  void	addRule(Rule rule)
void	assertObject(FactHandle handle, java.lang.Object object, PropagationContext context, ReteooWorkingMemory workingMemory)           Assert a fact object.
void	modifyObject(FactHandle handle, PropagationContext context, ReteooWorkingMemory workingMemory)
WorkingMemory	newWorkingMemory(boolean keepReference)           Create a new WorkingMemory session for this RuleBase.
void	readExternal(java.io.ObjectInput stream)           Handles the read serialization of the Package.
protected  void	removeRule(Rule rule)
void	retractObject(FactHandle handle, PropagationContext context, ReteooWorkingMemory workingMemory)           Retract a fact object.
void	writeExternal(java.io.ObjectOutput stream)           Handles the write serialization of the Package.

 

Methods inherited from class org.drools.common.AbstractRuleBase
addPackage, addWorkingMemory, disposeWorkingMemory, doReadExternal, doWriteExternal, getConfiguration, getFactHandleFactory, getGlobals, getPackages, getWorkingMemories, newFactHandleFactory, newWorkingMemory, newWorkingMemory, newWorkingMemory, removePackage, removeRule

 

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

 

Constructor Detail

ReteooRuleBase

public ReteooRuleBase()

Construct.

Parameters:

rete - The rete network.

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ReteooRuleBase

public ReteooRuleBase(FactHandleFactory factHandleFactory)

Parameters:

factHandleFactory -

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ReteooRuleBase

public ReteooRuleBase(RuleBaseConfiguration config)

Parameters:

config -

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ReteooRuleBase

public ReteooRuleBase(RuleBaseConfiguration config,
                      FactHandleFactory factHandleFactory)

Construct.

Parameters:

rete - The rete network.

Method Detail

writeExternal

public void writeExternal(java.io.ObjectOutput stream)
                   throws java.io.IOException

Handles the write serialization of the Package. Patterns in Rules may reference generated data which cannot be serialized by default methods. The Package uses PackageCompilationData to hold a reference to the generated bytecode. The generated bytecode must be restored before any Rules.

Throws:

java.io.IOException

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readExternal

public void readExternal(java.io.ObjectInput stream)
                  throws java.io.IOException,
                         java.lang.ClassNotFoundException

Handles the read serialization of the Package. Patterns in Rules may reference generated data which cannot be serialized by default methods. The Package uses PackageCompilationData to hold a reference to the generated bytecode; which must be restored before any Rules. A custom ObjectInputStream, able to resolve classes against the bytecode in the PackageCompilationData, is used to restore the Rules.

Throws:

java.io.IOException

java.lang.ClassNotFoundException

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assertObject

public void assertObject(FactHandle handle,
                         java.lang.Object object,
                         PropagationContext context,
                         ReteooWorkingMemory workingMemory)
                  throws FactException

Assert a fact object.

Parameters:

handle - The handle.

object - The fact.

workingMemory - The working-memory.

Throws:

FactException - If an error occurs while performing the assertion.

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modifyObject

public void modifyObject(FactHandle handle,
                         PropagationContext context,
                         ReteooWorkingMemory workingMemory)
                  throws FactException

Throws:

FactException

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retractObject

public void retractObject(FactHandle handle,
                          PropagationContext context,
                          ReteooWorkingMemory workingMemory)
                   throws FactException

Retract a fact object.

Parameters:

handle - The handle.

workingMemory - The working-memory.

Throws:

FactException - If an error occurs while performing the retraction.

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newWorkingMemory

public WorkingMemory newWorkingMemory(boolean keepReference)

Description copied from interface: RuleBase

Create a new WorkingMemory session for this RuleBase. Optionally the RuleBase retains a weak reference to returned WorkingMemory.

The created WorkingMemory uses the default conflict resolution strategy.

Specified by:

newWorkingMemory in interface RuleBase

Specified by:

newWorkingMemory in class AbstractRuleBase

Returns:

A newly initialized WorkingMemory.

See Also:

RuleBase

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addRule

protected void addRule(Rule rule)
                throws InvalidPatternException

Overrides:

addRule in class AbstractRuleBase

Throws:

InvalidPatternException

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removeRule

protected void removeRule(Rule rule)

Specified by:

removeRule in class AbstractRuleBase

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