Bug 156642 [Regression]Script of onPrepare is no effect
Details: Script of onPrepare is no effect Set any function on onPrepare, but it is no effect. For example: this.getStyle().color="red" Excepted: it is effect
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/impl/RunTask.java
finally
		{
			documentBuilder = null;
			closeReportDocument();
			closeFactory();
			setRunningFlag( false );
		}
	}
	public void close( )
	{
		super.close( );
	}
	/**
	 * @deprecated
	 */
	public void run( FolderArchive fArchive ) throws EngineException
	{
		setDataSource( fArchive );
		run( ( IDocArchiveWriter ) fArchive );
	}
	
	protected void doCancel( )
	{
		super.doCancel( );
		if ( documentBuilder != null )
		{
			documentBuilder.cancel( );
		}
	}
}