DO NOT REPLY [Bug 48321] New: org.apache.bcel.generic.Instruction.equals(Object) does not follow Object.equals(Object) rules
[email protected] Tue, 1 Dec 2009 08:18:34 -0800 (PST)
| Newsgroups | gmane.comp.jakarta.bcel.devel |
|---|---|
| Message-ID | <[email protected]/bugzilla/> |
https://issues.apache.org/bugzilla/show_bug.cgi?id=48321
Summary: org.apache.bcel.generic.Instruction.equals(Object)
does not follow Object.equals(Object) rules
Product: BCEL
Version: 5.2
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: Main
AssignedTo: [email protected]
ReportedBy: [email protected]
org.apache.bcel.generic.Instruction contains two strange methods: equals and
setComparator. The equals and hashCode methods are by definition (see
http://java.sun.com/javase/6/docs/api/java/lang/Object.html#hashCode%28%29 )
broken:
* If two Instruction objects have another InstructionComparator, they can be
asymmetrically equal.
* If instructions aren't compared by identity (==), the inherited hashCode
method is by definition broken.
I suggest: deprecate setComparator method.
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