com.tonbeller.jpivot.olap.navi
Interface CalcSet

All Superinterfaces:

Extension

public interface CalcSet
extends Extension

Author:

av

Field Summary

static int	GENERATE in case of multiple hierarchies on an axis, the expression is evaluated for every member of the hierarchies, that are left of this hierarchy.
static java.lang.String	ID
static int	SIMPLE evaluates the expression once in global context.
static int	STICKY Expression is re-evaluated when the user navigates.

Method Summary

java.lang.Object

createAxisExpression(int mode, Expression expr, Hierarchy hier) creates an Object that may be placed on an axis via PlaceHierarchiesOnAxes.

Methods inherited from interface com.tonbeller.jpivot.core.Extension

decorate, getId, modelInitialized, setModel

Field Detail

ID

static final java.lang.String ID

See Also:

Constant Field Values

SIMPLE

static final int SIMPLE

evaluates the expression once in global context.

Example: create an expression for customer, e.g. TopCount

 Products   Customer
   A         TopCount(Customer.members, 5)
   B
   C
 

SIMPLE will find the top 5 customers globally and will display the same 5 customers for every product

See Also:

Constant Field Values

GENERATE

static final int GENERATE

in case of multiple hierarchies on an axis, the expression is evaluated for every member of the hierarchies, that are left of this hierarchy.

Example: create an expression for customer, e.g. TopCount

 Products   Customer
   A         TopCount(Customer.members, 5)
   B
   C
 

GENERATE will find the top 5 customers for every product, it will show different customers for every product.

See Also:

Constant Field Values

STICKY

static final int STICKY

Expression is re-evaluated when the user navigates. Navigation is restricted.

See Also:

Constant Field Values

Method Detail

createAxisExpression

java.lang.Object createAxisExpression(int mode,
                                      Expression expr,
                                      Hierarchy hier)
                                      throws InvalidExpressionException

creates an Object that may be placed on an axis via PlaceHierarchiesOnAxes.

Parameters:

mode - one of SIMPLE, GENERATE, STICKY

expr - the Expression to parse

hier - the Hierarchy that the expression evaluates to

Returns:

the object to place on the axis

Throws:

InvalidExpressionException - in case the expression is not valid, e.g. misspelled function names etc

See Also:

PlaceHierarchiesOnAxes.setQueryAxis(com.tonbeller.jpivot.olap.model.Axis, java.lang.Object[])