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PredicateConstraint - JBoss RULES 3.0.6 API 英文版文档

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org.drools.rule
Class PredicateConstraint

java.lang.Object
  org.drools.rule.PredicateConstraint

All Implemented Interfaces:

java.io.Serializable, Constraint, FieldConstraint, RuleComponent

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public class PredicateConstraint
extends java.lang.Object
implements FieldConstraint

See Also:

Serialized Form

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Constructor Summary
PredicateConstraint(Declaration declaration, Declaration[] requiredDeclarations)
PredicateConstraint(PredicateExpression evaluator, Declaration declaration)
PredicateConstraint(PredicateExpression expression, Declaration declaration, Declaration[] requiredDeclarations)

 

Method Summary
boolean	equals(java.lang.Object object)
PredicateExpression	getPredicateExpression()
Declaration[]	getRequiredDeclarations()
int	hashCode()
boolean	isAllowed(InternalFactHandle handle, Tuple tuple, WorkingMemory workingMemory)
void	setPredicateExpression(PredicateExpression expression)

 

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

 

Constructor Detail

PredicateConstraint

public PredicateConstraint(PredicateExpression evaluator,
                           Declaration declaration)

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PredicateConstraint

public PredicateConstraint(Declaration declaration,
                           Declaration[] requiredDeclarations)

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PredicateConstraint

public PredicateConstraint(PredicateExpression expression,
                           Declaration declaration,
                           Declaration[] requiredDeclarations)

Method Detail

getRequiredDeclarations

public Declaration[] getRequiredDeclarations()

Specified by:

getRequiredDeclarations in interface FieldConstraint

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setPredicateExpression

public void setPredicateExpression(PredicateExpression expression)

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getPredicateExpression

public PredicateExpression getPredicateExpression()

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isAllowed

public boolean isAllowed(InternalFactHandle handle,
                         Tuple tuple,
                         WorkingMemory workingMemory)

Specified by:

isAllowed in interface FieldConstraint

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hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

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equals

public boolean equals(java.lang.Object object)

Overrides:

equals in class java.lang.Object

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