JDK-8019646 : Clarify javadoc contract of LambdaMetafactory methods
  • Type: Bug
  • Component: core-libs
  • Sub-Component: java.lang.invoke
  • Priority: P3
  • Status: Closed
  • Resolution: Fixed
  • Submitted: 2013-07-02
  • Updated: 2017-05-17
  • Resolved: 2013-10-24
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8 b115Fixed
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Some implementation details of the metafactory are, by design, left unspecified.  But many aspects of the contract -- what inputs are acceptable, how the flags are used, constraints on the result, etc. -- are intended to be consistent across implementations, and should be more precisely specified.
Note that this is a documentation-only bug. No change in behavior is anticipated.

Related to JDK-8010828, which could possibly be regarded as a dup of this.

Need to settle on the types of the arguments, per JDK-8019635, before we can address the informal contract associated with them.