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
/*
	 * @see org.eclipse.birt.report.data.adaptor.impl.IDataRequestSession#getQueryResults(java.lang.String)
	 */
	public IQueryResults getQueryResults( String queryResultID )
			throws BirtException
	{
		return dataEngine.getQueryResults( queryResultID );
	}
	/*
	 * @see org.eclipse.birt.report.data.adaptor.impl.IDataRequestSession#clearCache(org.eclipse.birt.data.engine.api.IBaseDataSourceDesign,
	 *      org.eclipse.birt.data.engine.api.IBaseDataSetDesign)
	 */
	public void clearCache( IBaseDataSourceDesign dataSource,
			IBaseDataSetDesign dataSet ) throws BirtException
	{
		dataEngine.clearCache( dataSource, dataSet );
	}
	/*
	 * @see org.eclipse.birt.report.data.adaptor.impl.IDataRequestSession#prepare(org.eclipse.birt.data.engine.api.IQueryDefinition,
	 *      java.util.Map)
	 */
	public IPreparedQuery prepare( IQueryDefinition query, Map appContext )
			throws BirtException
	{
		if ( appContext == null )
			
			appContext = sessionContext.getAppContext( );
		return dataEngine.prepare( query, appContext );
	}
	/**