Bug 184569 Time parameter format will affact other data item format.[0705]
Description: Time parameter format will affact other data item format. Build number:2.2.0.v20070428 Steps to reproduce: 1. New a report parameter, Time type. 2. Click Change to set format as hh:mm. 3. Drag the parameter to layout. 4. Insert a Data item, datetime type, input expression as "new Date()". 5. Preview and input 8:30 as value Expected result: Display time value and the second line display datetime value. Actual result: Both parameter and data item display time value. Error log:N/A
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/executor/ExecutionContext.java
* 
	 * @return the report engine used to create the context.
	 */
	public IReportEngine getEngine( )
	{
		return engine;
	}
	/**
	 * Clean up the execution context before finishing using it
	 */
	public void close( )
	{
		scriptContext.exit( );
		if ( dataSource != null )
		{
			try
			{
				dataSource.close( );
			}
			catch ( IOException e )
			{
				log.log( Level.SEVERE, "Failed to close the data source", e );
			}
			dataSource = null;
		}
		if ( dataEngine != null )
		{
			dataEngine.shutdown( );
			dataEngine = null;
		}