Bug 182061 Data engine changes to support result set sharing
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/DataEngineImpl.java
{
	
	private HashMap					dataSources = new HashMap();
	
	
	private HashMap					dataSetDesigns = new HashMap();
	
	
	private Scriptable				dataSourcesJSObject;
	
	private DataEngineContext context;
	private DataEngineSession session;
	private DataSourceManager dataSourceManager;
	
	protected static Logger logger = Logger.getLogger( DataEngineImpl.class.getName( ) );
	/**
	 * Constructor to specify the DataEngine Context to use by the Data Engine
	 * for all related ReportQuery processing.
	 * 
	 * @param context
	 *            scope of Context: The global JavaScript scope shared by all
	 *            runtime components within a report sesssion. If this parameter