Package org.drools.base.rule

Class MutableTypeConstraint

java.lang.Object

org.drools.base.rule.MutableTypeConstraint

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, java.lang.Cloneable, AlphaNodeFieldConstraint, BetaNodeFieldConstraint, Constraint, RuleComponent

Direct Known Subclasses:

PredicateConstraint, XpathConstraint

public abstract class MutableTypeConstraint
extends java.lang.Object
implements AlphaNodeFieldConstraint, BetaNodeFieldConstraint, java.io.Externalizable

A base class for constraints

See Also:

Serialized Form

Nested Class Summary

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

Constraint.ConstraintType

Constructor Summary

Constructors

Constructor	Description
MutableTypeConstraint()

Method Summary

Modifier and Type	Method	Description
abstract MutableTypeConstraint	clone()	Clones the constraint
MutableTypeConstraint	cloneIfInUse()	Clone this constraints only if it is already used by a different node, otherwise returns this
Constraint.ConstraintType	getType()	Returns the type of the constraint, either ALPHA, BETA or UNKNOWN
void	readExternal(java.io.ObjectInput in)
boolean	setInUse()
void	setType(Constraint.ConstraintType type)
void	writeExternal(java.io.ObjectOutput out)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.drools.base.rule.constraint.AlphaNodeFieldConstraint

isAllowed

Methods inherited from interface org.drools.base.rule.constraint.BetaNodeFieldConstraint

createContextEntry, isAllowedCachedLeft, isAllowedCachedRight

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

addPackageNames, equals, getListenedPropertyMask, getListenedPropertyMask, getPackageNames, getRequiredDeclarations, isTemporal, mergeEvaluationContext, registerEvaluationContext, replaceDeclaration

Constructor Detail

MutableTypeConstraint

public MutableTypeConstraint()

Method Detail

setType

public void setType(Constraint.ConstraintType type)

getType

public Constraint.ConstraintType getType()

Description copied from interface: Constraint

Returns the type of the constraint, either ALPHA, BETA or UNKNOWN

Specified by:

getType in interface Constraint

Returns:

readExternal

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

Specified by:

readExternal in interface java.io.Externalizable

Throws:

java.io.IOException

java.lang.ClassNotFoundException

writeExternal

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

Specified by:

writeExternal in interface java.io.Externalizable

Throws:

java.io.IOException

clone

public abstract MutableTypeConstraint clone()

Description copied from interface: Constraint

Clones the constraint

Specified by:

clone in interface Constraint

Overrides:

clone in class java.lang.Object

Returns:

cloneIfInUse

public MutableTypeConstraint cloneIfInUse()

Description copied from interface: AlphaNodeFieldConstraint

Clone this constraints only if it is already used by a different node, otherwise returns this

Specified by:

cloneIfInUse in interface AlphaNodeFieldConstraint

Specified by:

cloneIfInUse in interface BetaNodeFieldConstraint

setInUse

public boolean setInUse()