Bug 131011 Support running query based on report document data
Data Engine should support running a query based on data set and expression data stored in a report document. This bugzilla entry serves as a repository for design docs and notes related to this feature.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/executor/transform/group/GroupCalculationUtil.java
*/
	boolean[] getSortDirection( )
	{
		return this.sortDirections;
	}
	/**
	 * Set the filter value of GroupBoundaryInfo.
	 * 
	 * @param accept
	 */
	void setAccepted( boolean accept )
	{
		this.accept = accept;
	}
	/**
	 * Return whether the GroupBoundaryInfo intance is accpeted or not.
	 * 
	 * @return
	 */
	boolean isAccpted( )
	{
		return this.accept;
	}
}
/**
 * The Comparator instance which is used to compare two GroupBoundaryInfo
 * instance.
 * 
 */
final class GroupBoundaryInfoComparator implements Comparator