HierarchyCalc (Pentaho Community Edition Project: mondrian 9.5.0.0-252 API)

All Superinterfaces:

Calc

All Known Implementing Classes:

AbstractHierarchyCalc, AbstractVoidCalc, AggregateFunDef.AggregateCalc, CacheCalc, ConstantCalc, GenericCalc, LevelHierarchyFunDef.CalcImpl, MemberArrayValueCalc, MemberHierarchyFunDef.CalcImpl, MemberValueCalc, TupleValueCalc, ValueCalc
```
public interface HierarchyCalc
extends Calc
```
Expression which yields a Hierarchy.
When implementing this interface, it is convenient to extend AbstractHierarchyCalc, but it is not required.

Since:

Sep 26, 2005

Author:

jhyde

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  Hierarchy evaluateHierarchy(Evaluator evaluator)
  Evaluates this expression to yield a hierarchy.
  - Methods inherited from interface mondrian.calc.Calc
    accept, dependsOn, evaluate, getResultStyle, getType, isWrapperFor, unwrap

- Method Detail
  - evaluateHierarchy
```
Hierarchy evaluateHierarchy(Evaluator evaluator)
```
    Evaluates this expression to yield a hierarchy.
    Never returns null.
    
    Parameters:
    
    evaluator - Evaluation context
    
    Returns:
    
    a hierarchy