Bug 188224 DTE should give out APIs about CrossTab filter equal value list and member value list Util.
DTE should give out APIs about CrossTab filter equal value list and member value list Util.
data/org.eclipse.birt.report.data.adapter/src/org/eclipse/birt/report/data/adapter/impl/DataRequestSessionImpl.java
public IPreparedQuery prepare( IQueryDefinition query, Map appContext )
			throws BirtException
	{
		if ( appContext == null )
			
			appContext = sessionContext.getAppContext( );
		return dataEngine.prepare( query, appContext );
	}
	/**
	 * @see org.eclipse.birt.report.data.adapter.api.DataRequestSession#prepare(org.eclipse.birt.data.engine.api.IQueryDefinition)
	 */
	public IPreparedQuery prepare(IQueryDefinition query) throws BirtException
	{
		
		return dataEngine.prepare( query, this.sessionContext.getAppContext() );
	}
	/*
	 * @see org.eclipse.birt.report.data.adaptor.impl.IDataRequestSession#closeDataSource(java.lang.String)
	 */
	public void closeDataSource( String dataSourceName ) throws BirtException
	{
		dataEngine.closeDataSource( dataSourceName );
	}
	/*
	 * @see org.eclipse.birt.report.data.adaptor.impl.IDataRequestSession#getModelAdaptor()
	 */
	public IModelAdapter getModelAdaptor( )
	{
		return modelAdaptor;
	}