:) i started with java too in 2004 same time as with JUMP.. and i never had really programming experience.. just some pascal and visual studio stuff
so your hints are welcome, although i do not really know the background stefan Larry Becker schrieb: > Thanks for the tips, Paul. It is great when we can encourage each > other to write better code. I for one, didn't know any Java at all > before starting with JUMP in January of 2004. My previous GIS > projects were in C++ and object pascal. It was hard but I think I > have finally made peace with Java's voracious memory appetite. > > regards, > Larry > > On 7/3/07, Paul Austin <[EMAIL PROTECTED]> wrote: >> I've been looking through the JUMP code in various places and it looks >> like there are a lot of cases where custom sub classes are created just >> to change a few parameters on a class (e.g. >> com.vividsolutions.jump.workbench.ui.renderer.style.ArrowLineStringEndpointStyle). >> In this class it defines a number of sub classes for each different >> style, all that changes in some of these classes is the name, start >> indicator, image, min angle, min length and if it's filled. >> >> By creating sub classes for each of these you add extra overhead to the >> application as it needs to have the Class definition loaded in the >> PermGen space of the application. >> >> By contrast if you had a factory based approach that would create >> instances of the class you could have a couple of factories and a few >> implementations for the different parameterizations possible then the >> overhead you have is a few bytes for the configuration paramters rather >> than the KBs for the class definitions. >> >> I'm not suggesting that we go and wholesale change the existing code but >> it's something we should be aware of when implementing new features. The >> areas where we can create generic components include. >> >> - Event handling >> - Object edit panels, tables >> >> Paul >> >> ------------------------------------------------------------------------- >> This SF.net email is sponsored by DB2 Express >> Download DB2 Express C - the FREE version of DB2 express and take >> control of your XML. No limits. Just data. Click to get it now. >> http://sourceforge.net/powerbar/db2/ >> _______________________________________________ >> Jump-pilot-devel mailing list >> Jump-pilot-devel@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel >> > > ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ Jump-pilot-devel mailing list Jump-pilot-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
