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https://issues.apache.org/jira/browse/PIVOT-799?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13419102#comment-13419102
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Sandro Martini commented on PIVOT-799:
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Other things that could be a good addition:
- add a maximum number of elements (by default -1 or no limit)
-- use case: for example, put a limit in how many objects can be put in the
resourceCache (inside ApplicationContext)
- add some utility class (see in what package, inside core) to implement the
concept of null-safe data container (or monad, in Scala terms), and related
concepts of Option, Some, None, etc as found in Scala. Some reference:
http://blog.tmorris.net/scalaoption-cheat-sheet/
http://www.codecommit.com/blog/scala/the-option-pattern/print/
-- verify if could be good to start retrofit existing behavior to use them,
but probably not before release 3.0 ...
- add fallback methods like getOrElse in some Scala collections
- add method to apply to any collection element a transformation (or maybe a
Command), like apply()
Of course before all this I'll verify if/how we can do this (in Java), both as
coding strategies (if there are some pitfalls, etc), and by licensing (should
not exist problems here, but I'll do some check to be sure).
> extending Pivot collections
> ---------------------------
>
> Key: PIVOT-799
> URL: https://issues.apache.org/jira/browse/PIVOT-799
> Project: Pivot
> Issue Type: Improvement
> Components: core-collections
> Reporter: Sandro Martini
> Assignee: Sandro Martini
> Priority: Minor
> Fix For: 2.1
>
>
> Add some usuful methods to Pivot Collections like those needed to process all
> elements, going more "function style", like addAll, contains, etc ...
> To simplify usage from people coming from other languages, try to align to
> other languages names/conventions (for what is possible) , like Scala, C# .
> Verify even if add a interface (defining a single method) that could be
> passed to some methods to contain logic for processing all elements (like the
> apply() in Scala), and chose a right name for it (maybe function or other
> similar).
> Some info here:
> http://apache-pivot-developers.417237.n3.nabble.com/Some-idea-on-extending-Pivot-collections-td3321472.html
> But for more changes in Collections (still to be discussed), wait the 3.0 ...
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