be.SIRAPRISE.server

Class UNPACKStraightForwardEvaluationStrategyWithIntervals

java.lang.Object

be.SIRAPRISE.server.UNPACKStraightForwardEvaluationStrategyWithIntervals

public final class UNPACKStraightForwardEvaluationStrategyWithIntervals
extends java.lang.Object

Author:

Erwin

Method Summary

Modifier and Type	Method and Description
TupleCollectionBuffer	evaluateUsingParameters(be.SIRAPRISE.server.Luw luw, java.util.Map<java.lang.String,ValueBuffer> parameterValueMap) Evaluates the relational expression using the given parameter values and 'outer tuple' attribute values

Methods inherited from class java.lang.Object

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

Method Detail

evaluateUsingParameters

public TupleCollectionBuffer evaluateUsingParameters(be.SIRAPRISE.server.Luw luw,
                                                     java.util.Map<java.lang.String,ValueBuffer> parameterValueMap)

Evaluates the relational expression using the given parameter values and 'outer tuple' attribute values

Parameters:

luw - The luw requesting an operator expression to be evaluated

parameterValueMap - The valuemap from which PARAMETER( ) values are to be obtained

Returns:

the relation as computed from the current value of the input expressions, the given parameter values and the given outer tuples' attribute values