Package org.drools.mvel

Class EvaluatorConstraint

java.lang.Object

org.drools.core.rule.MutableTypeConstraint

org.drools.mvel.EvaluatorConstraint

All Implemented Interfaces:

Externalizable, Serializable, Cloneable, org.drools.core.rule.constraint.AlphaNodeFieldConstraint, org.drools.core.rule.constraint.BetaNodeFieldConstraint, org.drools.core.rule.constraint.Constraint, org.drools.core.rule.IntervalProviderConstraint, org.drools.core.rule.RuleComponent

public class EvaluatorConstraint
extends org.drools.core.rule.MutableTypeConstraint
implements org.drools.core.rule.IntervalProviderConstraint

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	EvaluatorConstraint.LiteralContextEntry

Nested classes/interfaces inherited from interface org.drools.core.rule.constraint.Constraint

org.drools.core.rule.constraint.Constraint.ConstraintType

Field Summary

Fields

Modifier and Type	Field	Description
protected org.drools.core.rule.Declaration[]	declarations
protected org.drools.core.rule.accessor.Evaluator	evaluator
protected org.drools.core.rule.accessor.FieldValue	field
protected org.drools.core.rule.accessor.ReadAccessor	rightReadAccessor

Constructor Summary

Constructors

Constructor	Description
EvaluatorConstraint()
EvaluatorConstraint(org.drools.core.rule.accessor.FieldValue field, org.drools.core.rule.accessor.Evaluator evaluator, org.drools.core.rule.accessor.ReadAccessor extractor)
EvaluatorConstraint(org.drools.core.rule.Declaration[] declarations, org.drools.core.rule.accessor.Evaluator evaluator, org.drools.core.rule.accessor.ReadAccessor extractor)

Method Summary

Modifier and Type	Method	Description
EvaluatorConstraint	clone()
org.drools.core.rule.ContextEntry	createContextEntry()
boolean	equals(Object o)
org.drools.core.rule.accessor.Evaluator	getEvaluator()
org.drools.core.rule.accessor.FieldValue	getField()
org.drools.core.time.Interval	getInterval()
org.drools.core.rule.Declaration[]	getRequiredDeclarations()
protected org.drools.core.rule.accessor.ReadAccessor	getRightReadAccessor()
int	hashCode()
boolean	isAllowed(org.drools.core.common.InternalFactHandle handle, org.drools.core.common.ReteEvaluator reteEvaluator)
boolean	isAllowedCachedLeft(org.drools.core.rule.ContextEntry context, org.drools.core.common.InternalFactHandle handle)
boolean	isAllowedCachedRight(org.drools.core.reteoo.Tuple tuple, org.drools.core.rule.ContextEntry context)
protected boolean	isLiteral()
boolean	isSelf()
boolean	isTemporal()
void	readExternal(ObjectInput in)
void	replaceDeclaration(org.drools.core.rule.Declaration oldDecl, org.drools.core.rule.Declaration newDecl)
void	writeExternal(ObjectOutput out)

Methods inherited from class org.drools.core.rule.MutableTypeConstraint

cloneIfInUse, getType, setInUse, setType

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.drools.core.rule.constraint.Constraint

addPackageNames, equals, getListenedPropertyMask, getPackageNames, getType, mergeEvaluationContext, registerEvaluationContext

Field Detail

declarations

protected org.drools.core.rule.Declaration[] declarations

evaluator

protected org.drools.core.rule.accessor.Evaluator evaluator

rightReadAccessor

protected org.drools.core.rule.accessor.ReadAccessor rightReadAccessor

field

protected org.drools.core.rule.accessor.FieldValue field

Constructor Detail

EvaluatorConstraint

public EvaluatorConstraint()

EvaluatorConstraint

public EvaluatorConstraint(org.drools.core.rule.accessor.FieldValue field,
                           org.drools.core.rule.accessor.Evaluator evaluator,
                           org.drools.core.rule.accessor.ReadAccessor extractor)

EvaluatorConstraint

public EvaluatorConstraint(org.drools.core.rule.Declaration[] declarations,
                           org.drools.core.rule.accessor.Evaluator evaluator,
                           org.drools.core.rule.accessor.ReadAccessor extractor)

Method Detail

isLiteral

protected boolean isLiteral()

isAllowed

public boolean isAllowed(org.drools.core.common.InternalFactHandle handle,
                         org.drools.core.common.ReteEvaluator reteEvaluator)

Specified by:

isAllowed in interface org.drools.core.rule.constraint.AlphaNodeFieldConstraint

isAllowedCachedLeft

public boolean isAllowedCachedLeft(org.drools.core.rule.ContextEntry context,
                                   org.drools.core.common.InternalFactHandle handle)

Specified by:

isAllowedCachedLeft in interface org.drools.core.rule.constraint.BetaNodeFieldConstraint

isAllowedCachedRight

public boolean isAllowedCachedRight(org.drools.core.reteoo.Tuple tuple,
                                    org.drools.core.rule.ContextEntry context)

Specified by:

isAllowedCachedRight in interface org.drools.core.rule.constraint.BetaNodeFieldConstraint

replaceDeclaration

public void replaceDeclaration(org.drools.core.rule.Declaration oldDecl,
                               org.drools.core.rule.Declaration newDecl)

Specified by:

replaceDeclaration in interface org.drools.core.rule.constraint.Constraint

getRequiredDeclarations

public org.drools.core.rule.Declaration[] getRequiredDeclarations()

Specified by:

getRequiredDeclarations in interface org.drools.core.rule.constraint.Constraint

isTemporal

public boolean isTemporal()

Specified by:

isTemporal in interface org.drools.core.rule.constraint.Constraint

isSelf

public boolean isSelf()

getInterval

public org.drools.core.time.Interval getInterval()

Specified by:

getInterval in interface org.drools.core.rule.IntervalProviderConstraint

getEvaluator

public org.drools.core.rule.accessor.Evaluator getEvaluator()

getField

public org.drools.core.rule.accessor.FieldValue getField()

getRightReadAccessor

protected org.drools.core.rule.accessor.ReadAccessor getRightReadAccessor()

clone

public EvaluatorConstraint clone()

Specified by:

clone in interface org.drools.core.rule.constraint.Constraint

Specified by:

clone in class org.drools.core.rule.MutableTypeConstraint

createContextEntry

public org.drools.core.rule.ContextEntry createContextEntry()

Specified by:

createContextEntry in interface org.drools.core.rule.constraint.BetaNodeFieldConstraint

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Overrides:

writeExternal in class org.drools.core.rule.MutableTypeConstraint

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Overrides:

readExternal in class org.drools.core.rule.MutableTypeConstraint

Throws:

IOException

ClassNotFoundException

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object