mondrian.olap.fun
Class BuiltinFunTable

java.lang.Object
  mondrian.olap.fun.FunTableImpl
      mondrian.olap.fun.BuiltinFunTable

All Implemented Interfaces:

FunTable

public class BuiltinFunTable
extends FunTableImpl

BuiltinFunTable contains a list of all built-in MDX functions.

Note: Boolean expressions return Boolean.TRUE, Boolean.FALSE or null. null is returned if the expression can not be evaluated because some values have not been loaded from database yet.

Since:

26 February, 2002

Author:

jhyde

Field Summary

Fields inherited from class mondrian.olap.fun.FunTableImpl

funInfoList, mapNameToResolvers, resolverList

Constructor Summary

protected

BuiltinFunTable() Creates a function table containing all of the builtin MDX functions.

Method Summary

protected void	defineFunctions() This method is called from the constructor, to define the set of functions and reserved words recognized.
static BuiltinFunTable	instance() Returns the singleton, creating if necessary.

Methods inherited from class mondrian.olap.fun.FunTableImpl

addFunInfo, define, define, defineProperty, defineReserved, getDef, getFunInfoList, getReservedWords, getResolvers, init, isProperty, isReserved, makeResolverKey, organizeFunctions, requiresExpression

Methods inherited from class java.lang.Object

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

Constructor Detail

BuiltinFunTable

protected BuiltinFunTable()

Creates a function table containing all of the builtin MDX functions. This method should only be called from instance.

Method Detail

defineFunctions

protected void defineFunctions()

Description copied from class: FunTableImpl

This method is called from the constructor, to define the set of functions and reserved words recognized.

Each function is declared by calling FunTableImpl.define(mondrian.olap.FunDef). Each reserved word is declared by calling FunTableImpl.defineReserved(String).

Derived class can override this method to add more functions.

Specified by:

defineFunctions in class FunTableImpl

instance

public static BuiltinFunTable instance()

Returns the singleton, creating if necessary.

Returns:

the singleton