I should have used the word "encapsulate" instead of "store". :-)
On 6/8/07, Briggs <[EMAIL PROTECTED]> wrote: > Well, you could always 'freeze' it, just create a decorator for it. So, > create a new Configuration (call it ImmutableConfiguration) store the > original configuration object in it, and delegate the methods appropriately. > Wouldn't that work? > > > > > > On 6/8/07, Doğacan Güney <[EMAIL PROTECTED]> wrote: > > On 5/31/07, Nicolás Lichtmaier <[EMAIL PROTECTED]> wrote: > > > > > > > Actually thinking a bit further into this, I kind of agree with you. I > > > > initially thought that the best approach would be to change > > > > PluginRepository.get(Configuration) to PluginRepository.get() where > > > > get() just creates a configuration internally and initializes itself > > > > with it. But then we wouldn't be passing JobConf to PluginRepository > > > > but PluginRepository would do something like a > > > > NutchConfiguration.create(), which is probably wrong. > > > > > > > > So, all in all, I've come to believe that my (and Nicolas') patch is a > > > > not-so-bad way of fixing this. It allows us to pass JobConf to > > > > PluginRepository and stops creating new PluginRepository-s again and > > > > again... > > > > > > > > What do you think? > > > > > > IMO a better way would be to add a proper equals() method to Hadoop's > > > Configuration object (and hashcode) that would call > > > getProps().equals(o.getProps()). So that you could use them as keys... > > > Every class which is a map from keys to values has "equals & hashcode" > > > (Properties, HashMap, etc.). > > > > > > Another nice thing would be to be able to "freeze" a configuration > > > object, preventing anyone from modifying it. > > > > > > > > > > I found that there is already an issue for this problem - NUTCH-356. I > > will update it with most recent discussions. > > > > -- > > Doğacan Güney > > > > > > -- > > "Conscious decisions by conscious minds are what make reality real" -- "Conscious decisions by conscious minds are what make reality real" ------------------------------------------------------------------------- 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/ _______________________________________________ Nutch-developers mailing list Nutch-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nutch-developers
