org.drools.rule
Class ReturnValueConstraint

java.lang.Object
  org.drools.rule.ReturnValueConstraint

All Implemented Interfaces:

Constraint, FieldConstraint, RuleComponent, java.io.Serializable

public class ReturnValueConstraint

extends java.lang.Object

implements FieldConstraint

See Also:

Serialized Form

Constructor Summary

ReturnValueConstraint(FieldExtractor fieldExtractor, Declaration[] declarations, Evaluator evaluator)

ReturnValueConstraint(FieldExtractor fieldExtractor, ReturnValueExpression returnValueExpression, Declaration[] declarations, Evaluator evaluator)

Method Summary

boolean	equals(java.lang.Object object)
ReturnValueExpression	getExpression()
Declaration[]	getRequiredDeclarations()
int	hashCode()
boolean	isAllowed(InternalFactHandle handle, Tuple tuple, WorkingMemory workingMemory)
void	setReturnValueExpression(ReturnValueExpression expression)

Methods inherited from class java.lang.Object

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

Constructor Detail

ReturnValueConstraint

public ReturnValueConstraint(FieldExtractor fieldExtractor,
                             Declaration[] declarations,
                             Evaluator evaluator)

ReturnValueConstraint

public ReturnValueConstraint(FieldExtractor fieldExtractor,
                             ReturnValueExpression returnValueExpression,
                             Declaration[] declarations,
                             Evaluator evaluator)

Method Detail

getRequiredDeclarations

public Declaration[] getRequiredDeclarations()

Specified by:

getRequiredDeclarations in interface FieldConstraint

setReturnValueExpression

public void setReturnValueExpression(ReturnValueExpression expression)

getExpression

public ReturnValueExpression getExpression()

isAllowed

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

Specified by:

isAllowed in interface FieldConstraint

hashCode

public int hashCode()

equals

public boolean equals(java.lang.Object object)