public final class ClassKey extends Object implements Comparable<ClassKey>
Class
.
The reason for having a separate key class instead of
directly using Class
as key is mostly
to allow for redefining hashCode
method --
for some strange reason, Class
does not
redefine Object.hashCode()
and thus uses identity
hash, which is pretty slow. This makes key access using
Class
unnecessarily slow.
Note: since class is not strictly immutable, caller must know what it is doing, if changing field values.
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