Bug 183733 Implement the IScriptOjectClassInfo to provide the class infromation to support the JS code assistant.
Engine should implement the IScriptObjectClassInfo interface to return the class information for script object.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/executor/ExecutionContext.java
{
			dataEngine = DataEngineFactory.getInstance( ).createDataEngine(
					this );
		}
	}
	/**
	 * @return Returns the dataEngine.
	 */
	public IDataEngine getDataEngine( )
	{
		if ( dataEngine == null )
		{
			dataEngine = DataEngineFactory.getInstance( ).createDataEngine(
					this );
		}
		return dataEngine;
	}
	public void closeDataEngine( )
	{
		if ( dataEngine != null )
		{
			dataEngine.shutdown( );
			dataEngine = null;
		}
	}
	/**
	 * @param name
	 * @param value
	 */
	public void setParameterValue( String name, Object value )