Bug 201396 Exception is thrown out when a chart use the list shared result set [0005]
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/QueryResults.java
{
		
		private DataEngineContext context;
		private QueryResults queryResults;
		
		/**
		 * @param queryResults
		 */
		public ResultService( DataEngineContext context,
				QueryResults queryResults )
		{
			this.context = context;
			this.queryResults = queryResults;
		}		
		/*
		 * @see org.eclipse.birt.data.engine.impl.IResultService#getContext()
		 */
		public DataEngineContext getContext( )
		{
			return context;
		}