Key Methods of the DataAccess Interface

Implementations of the following DataAccess methods are required for all presentation beans:

Implementations of the following DataAccess methods are required for the Graph bean:

Implementations of the following DataAccess methods are required if you want to use the PagingControl or otherwise perform paging with a presentation bean:

In addition to these DataAccess methods, you must also implement the changeEdgeCurrentHPos method of the DataDirector if you want to perform paging.

The following table presents additional DataAccess methods for which you might want to provide implementations depending on the presentation beans that you are using and the functionality that you want to implement in your data source.

DataAccess Method

Graph

Crosstab

Table

getSliceMemberCount

implement

implement

implement

getMemberExtent

NA

implement

NA

getMemberStartLayer

NA

implement

NA

getLayerMetadata

implement

implement

implement

getMemberExtent

NA

implement

implement

getMemberStartSlice

NA

implement

implement

getMemberMetadata

implement

implement

implement

getSliceOutlineLayer

NA

implement

NA

getValueQDR

implement

implement

implement

setValue

NA

implement

implement