SetMaker / ListMaker

[Nanda Firdausi]

I wonder if there is already a utility class that allow us to create a Set or a List with soft reference/weak reference. I think this will be very useful for example to manage a listeners list. 

If not, what do you think about adding that functionality?

Thank you,
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Nanda Firdausi Muhammad
http://satukubik.com

[Kevin Bourrillion]

The need for such a Set seems to come up much more often than the List.  My preferred way to handle it would be to simply add a makeSet() method to MapMaker (it would complain if you had already used weakValues() or softValues()), though some find it too odd to use a map maker to make a set, and prefer that we create a separate class called SetMaker.

For now, you can use MapMaker and pass the result to java.util.Collections.newSetFromMap() (jdk 6) or com.google.common.collect.Sets.newSetFromMap() (jdk 5).

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Kevin Bourrillion @ Google
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