Bug 168318 [regression]Print doesn't work correctly when preview attached file through external browser[00]
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/executor/ExecutionContext.java
this.dataSource = dataSource;
		}
		catch ( IOException e )
		{
			log.log( Level.SEVERE, "Failed to open the data source", e ); 
		}
	}
	
	public IDocArchiveReader getDataSource()
	{
		return dataSource;
	}
	
	public IResultSet executeQuery( IResultSet parent,
			IBaseQueryDefinition query ) throws BirtException
	{
		IDataEngine dataEngine = getDataEngine( );
		rset = dataEngine.execute( parent, query );
		return rset;
	}
	public IResultSet getResultSet( )
	{
		return rset;
	}
	
	public void setResultSet(IResultSet rset)
	{
		this.rset = rset;
	}
	public boolean hasErrors( )