org.eclipse.birt.chart.factory
Interface IGroupedDataRowExpressionEvaluator

All Superinterfaces:
IDataRowExpressionEvaluator
All Known Implementing Classes:
AbstractGroupedDataRowExpressionEvaluator

public interface IGroupedDataRowExpressionEvaluator
extends IDataRowExpressionEvaluator

The interface is declared to wrap IQueryResultSet and evaluate grouped, uni-dimensional data.


Method Summary
 int[] getGroupBreaks(int groupLevel)
          Returns the group breaks of specified group level.
 
Methods inherited from interface org.eclipse.birt.chart.factory.IDataRowExpressionEvaluator
close, evaluate, evaluateGlobal, first, next
 

Method Detail

getGroupBreaks

int[] getGroupBreaks(int groupLevel)
Returns the group breaks of specified group level. null means no group breaks.

Parameters:
groupExp -
Returns:
group breaks


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