mondrian.calc
Interface ListCalc

All Superinterfaces:

Calc

All Known Subinterfaces:

MemberListCalc, TupleListCalc

All Known Implementing Classes:

AbstractListCalc, AbstractMemberListCalc, AbstractVoidCalc, CacheCalc, ConstantCalc, CrossJoinFunDef.BaseListCalc, CrossJoinFunDef.ImmutableListMemberArrayListMemberArrayListCalc, CrossJoinFunDef.ImmutableListMemberArrayListMemberListCalc, CrossJoinFunDef.ImmutableListMemberListMemberArrayListCalc, CrossJoinFunDef.ImmutableListMemberListMemberListCalc, CrossJoinFunDef.MutableListMemberArrayListMemberArrayListCalc, CrossJoinFunDef.MutableListMemberArrayListMemberListCalc, CrossJoinFunDef.MutableListMemberListMemberArrayListCalc, CrossJoinFunDef.MutableListMemberListMemberListCalc, DistinctFunDef.CalcImpl, GenericCalc, MemberValueCalc, SetFunDef.ListSetCalc, TupleValueCalc, ValueCalc

public interface ListCalc
extends Calc

Expression which evaluates a set of members or tuples to a list.

Since:

Sep 27, 2005

Author:

jhyde

Method Summary

List	evaluateList(Evaluator evaluator) Evaluates an expression to yield a list of members or tuples.

Methods inherited from interface mondrian.calc.Calc

accept, dependsOn, evaluate, getResultStyle, getType

Method Detail

evaluateList

List evaluateList(Evaluator evaluator)

Evaluates an expression to yield a list of members or tuples.

The list is immutable if Calc.getResultStyle() yields ResultStyle.MUTABLE_LIST. Otherwise, the caller must not modify the list.

Parameters:

evaluator - Evaluation context

Returns:

A list of members or tuples, never null.