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
}
	public Map getAppContext( )
	{
		return appContext;
	}
	public void setAppContext( Map appContext )
	{
		this.appContext = appContext;
	}
	public IReportContext getReportContext( )
	{
		return reportContext;
	}
	public void setReportContext( IReportContext reportContext )
	{
		this.reportContext = reportContext;
		scriptContext.registerBean( "reportContext", reportContext );
	}
	public void setPageNumber( long pageNo )
	{
		pageNumber = pageNo;
		scriptContext.registerBean( "pageNumber", new Long( pageNumber ) );
		if ( totalPage < pageNumber )
		{
			setTotalPage( pageNumber );
		}
	}
	/**
	 * set the total page.
	 *