Package org.drools.core.base.evaluators

Class BeforeEvaluatorDefinition.BeforeEvaluator

java.lang.Object

org.drools.core.base.BaseEvaluator

org.drools.core.base.evaluators.PointInTimeEvaluator

org.drools.core.base.evaluators.BeforeEvaluatorDefinition.BeforeEvaluator

All Implemented Interfaces:

Externalizable, Serializable, Evaluator, org.kie.api.runtime.rule.Evaluator

Enclosing class:

BeforeEvaluatorDefinition

public static class BeforeEvaluatorDefinition.BeforeEvaluator
extends PointInTimeEvaluator

Implements the 'before' evaluator itself

See Also:

Serialized Form

Field Summary

Fields inherited from class org.drools.core.base.evaluators.PointInTimeEvaluator

finalRange, initRange, paramText, unwrapLeft, unwrapRight

Constructor Summary

Constructors

Constructor	Description
BeforeEvaluator()
BeforeEvaluator(ValueType type, boolean isNegated, long[] parameters, String paramText, boolean unwrapLeft, boolean unwrapRight)

Method Summary

Modifier and Type	Method	Description
protected boolean	evaluate(long rightTS, long leftTS)
Interval	getInterval()	In case this is a temporal evaluator, returns the interval in which this evaluator may match the target fact
protected long	getLeftTimestamp(InternalFactHandle handle)
protected long	getRightTimestamp(InternalFactHandle handle)

Methods inherited from class org.drools.core.base.evaluators.PointInTimeEvaluator

equals, evaluate, evaluate, evaluateCachedLeft, evaluateCachedRight, getTimestampFromDate, hashCode, isTemporal, readExternal, toString, writeExternal

Methods inherited from class org.drools.core.base.BaseEvaluator

getCoercedValueType, getOperator, getValueType

Methods inherited from class java.lang.Object

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

Constructor Detail

BeforeEvaluator

public BeforeEvaluator()

BeforeEvaluator

public BeforeEvaluator(ValueType type,
                       boolean isNegated,
                       long[] parameters,
                       String paramText,
                       boolean unwrapLeft,
                       boolean unwrapRight)

Method Detail

getInterval

public Interval getInterval()

Description copied from interface: Evaluator

In case this is a temporal evaluator, returns the interval in which this evaluator may match the target fact

Specified by:

getInterval in interface Evaluator

Overrides:

getInterval in class BaseEvaluator

Returns:

evaluate

protected boolean evaluate(long rightTS,
                           long leftTS)

Specified by:

evaluate in class PointInTimeEvaluator

getLeftTimestamp

protected long getLeftTimestamp(InternalFactHandle handle)

Specified by:

getLeftTimestamp in class PointInTimeEvaluator

getRightTimestamp

protected long getRightTimestamp(InternalFactHandle handle)

Specified by:

getRightTimestamp in class PointInTimeEvaluator