Bug 187201 DTE should give out 4 API for CrossTab sort and filter
DTE should give out 4 API for CrossTab sort and filter. 2 apis are used by giving out the available binding for CrossTab sort and filter. The third is api used by giving out the member value viewer is available. The fourth api is used by giving out the available value list about the memeber value.
data/org.eclipse.birt.report.data.adapter/src/org/eclipse/birt/report/data/adapter/impl/DataRequestSessionImpl.java
return ( (IPreparedQuery) query ).execute( ( outerResults instanceof IQueryResults )
						? ( (IQueryResults) outerResults ) : null,
						scope );
			}
			else if ( query instanceof IPreparedCubeQuery )
			{
				return ( (IPreparedCubeQuery) query ).execute( scope );
			}
			return null;
		}
		catch ( BirtException e )
		{
			throw new AdapterException( e.getLocalizedMessage( ) );
		}
	}
	/*
	 * (non-Javadoc)
	 * @see org.eclipse.birt.report.data.adapter.api.DataRequestSession#prepare(org.eclipse.birt.data.engine.api.IDataQueryDefinition)
	 */
	public IBasePreparedQuery prepare( IDataQueryDefinition query,
			Map appContext ) throws AdapterException
	{
		try
		{
			if ( query instanceof IQueryDefinition )
				return prepare( (IQueryDefinition) query, appContext == null
						? this.sessionContext.getAppContext( ) : appContext );
			else if ( query instanceof ICubeQueryDefinition )
				return prepare( (ICubeQueryDefinition) query );
			else