RFR: 8291969: Convert LoaderConstraintsTable to ResourceHashtable [v4]

[Coleen Phillimore]

On Mon, 22 Aug 2022 12:13:52 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> src/hotspot/share/classfile/loaderConstraints.cpp line 79:
>> 
>>> 77: 
>>> 78: // For this class name, these are the LoaderConstraints for classes loaded with this name.
>>> 79: class ClassNameEntry {                               // copied into hashtable as value
>> 
>> I find the naming for these map/table entries very awkward in general. A Map is a mapping from keytype K to a value type V. Here K ==  Symbol* (a class name), and V == a set of LoaderConstraints
>
> I was trying to not repeat "LoaderConstraint" in the name of the hashtable entry of LoaderConstraints, because that's what made it look confusing (especially in the diff).
> SetOfLoaderConstraints or LoaderConstraintSet.  Maybe ClassNameEntry is a terrible name.  I'm open for suggestions.

How about ConstraintSet ?

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PR: https://git.openjdk.org/jdk/pull/9904