RFR: JDK-8240137: Support chained use of Content.add
Jonathan Gibbons
jonathan.gibbons at oracle.com
Wed Mar 4 22:15:11 UTC 2020
Please review a relatively simple change to the `add` methods for
Content and its subtypes, to support chained usage.
The primary change is in Content (the last file listed in the webrev),
where the return type of the `add` methods is changed from `void`
to`Content. In addition, I added default methods to throw
UnsupportedOperationException, and improved the doc comments.
Most of the other changes are consequences of the changes to Content. In
particular, overriding methods are removed when the new default method
provides the same behavior, and the return type of the remaining
overriding methods is updated to be the return type of the overriding
class ... i.e. using a covariant return.
The 3 small changes in doc comments in Table are unrelated. One is a
grammatical fix; the others fix bad references to methods.
All the code is functionally equivalent to before; there are no changes
required to any tests.
This changeset does not attempt to go and retrofit chained calls at
possible use-sites.
-- Jon
JBS: https://bugs.openjdk.java.net/browse/JDK-8240137
Webrev: http://cr.openjdk.java.net/~jjg/8240137/webrev.00/index.html
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