In your original post, you mentioned a concern about breaking legacy codes.

I gave a suggestion that (if I'm not wrong) would fix the concern. Legacy codes will work, nothing will be broken. Yet, the efficient FastMap will be used. Both ends of spectrum benefit.

I thought you wanted to address that concern.

I'll wait for the patch. :) I'm also currently systematically going through the framework codes. Nice to see you making enhancements and wrapping up loose ends.

Jonathon

Adrian Crum wrote:
Jonathon,

I've already answered the question I originally posted. The rest of the details 
will be obvious when I submit the patch. Be patient.

-Adrian

Jonathon -- Improov <[EMAIL PROTECTED]> wrote: Oh, ok. I think it's perfectly alright. Have you checked usages of method UtilProperties.getProperties(...)? Those will need to be changed to expect Map.

If you keep the original getProperties(...), and enhance FlexibleProperties to internally use FastMap, the change propagation will not be needed.

Jonathon

Adrian Crum wrote:
No, it's not destructive - the class is still there. It's just that 
UtilProperties doesn't use it any more.

-Adrian

Jonathon -- Improov  wrote: That's a bit destructive.

Last count of usage: Debug, UtilProperties, VelocityViewHandler.

Well, long as it works. :)

Jonathon

Adrian Crum wrote:
Jonathon,

Thank you for the ideas. Actually, I ended up getting rid of references to 
FlexibleProperties - it didn't do anything special and only one other class is 
using it.

-Adrian

Jonathon -- Improov  wrote: Oh, I missed this.

Yeah, Properties implements Map. Isn't it possible to get a Properties from method getProperties(...), and the cast it to a Map?

In FlexibleProperties, override the Hashtable methods in Properties. That is, in FlexibleProperties, encapsulate one FastMap, and make sure all Map interfaces use that FastMap.

Jonathon

Adrian Crum wrote:
Jonathon,

Properties extends Map. I ended up having two methods - one that returns a Map in addition to the original.

I've been using it for nearly a week and everything seems to be working well. I'll post it to Jira in the next few days.

-Adrian

Jonathon -- Improov wrote:
Adrian,

How about getting FlexibleProperties to implement Map, in addition to Properties?

Jonathon

Adrian Crum wrote:

I've been working on the UtilProperties class to clean up some of the code, improving the cache handling algorithm, improve support for i18n, and add support for the new XML properties file format.

I believe we could really improve the performance of OFBiz if we cached FastMap instances instead of java.util.Properties instances. That would require a slight change in the UtilProperties API - UtilProperties.getProperties(...) would return a Map instance instead of a Properties instance.

Doing so wouldn't have a large impact on the existing code base - there are only a handful of places where UtilProperties.getProperties(...) is called. The problem would be legacy installations - custom code that calls UtilProperties.getProperties(...) would break.

Should I change the existing method signature, or add the new methods and deprecate the old ones?

-Adrian



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