Package org.drools.mvel.evaluators

Class EvaluatorCache

java.lang.Object

org.drools.mvel.evaluators.EvaluatorCache

All Implemented Interfaces:

Externalizable, Serializable

public class EvaluatorCache
extends Object
implements Externalizable

A simple helper class to store Evaluators for a given set of value types and operators

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
EvaluatorCache()

Method Summary

Modifier and Type	Method	Description
void	addEvaluator(org.drools.core.base.ValueType type, org.drools.drl.parser.impl.Operator operator, org.drools.core.rule.accessor.Evaluator evaluator)
org.drools.core.rule.accessor.Evaluator	getEvaluator(org.drools.core.base.ValueType type, org.drools.drl.parser.impl.Operator operator)
void	readExternal(ObjectInput in)
boolean	supportsType(org.drools.core.base.ValueType type)
void	writeExternal(ObjectOutput out)

Methods inherited from class java.lang.Object

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

Constructor Detail

EvaluatorCache

public EvaluatorCache()

Method Detail

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

addEvaluator

public void addEvaluator(org.drools.core.base.ValueType type,
                         org.drools.drl.parser.impl.Operator operator,
                         org.drools.core.rule.accessor.Evaluator evaluator)

getEvaluator

public org.drools.core.rule.accessor.Evaluator getEvaluator(org.drools.core.base.ValueType type,
                                                            org.drools.drl.parser.impl.Operator operator)

supportsType

public boolean supportsType(org.drools.core.base.ValueType type)