synchronized (runtime.getHierarchyLock()) {
Set<RubyClass> oldSubclasses = subclasses;
if (oldSubclasses == null) return;
oldSubclasses.remove(subclass);
oldSubclasses.add(newSubclass);
}
synchronized (runtime.getHierarchyLock()) {
Set<RubyClass> oldSubclasses = subclasses;
if (oldSubclasses == null) return;
oldSubclasses.remove(subclass);
}
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/RubyClass.java
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File path: /jruby-1.4.0/src/org/jruby/RubyClass.java
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Method name: void replaceSubclass(RubyClass, RubyClass)
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Method name: void removeSubclass(RubyClass)
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Number of AST nodes: 6
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Number of AST nodes: 5
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1 | synchronized (runtime.getHierarchyLock()) {↵ | | 1 | synchronized (runtime.getHierarchyLock()) {↵
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2 | Set<RubyClass> oldSubclasses = subclasses;↵ | | 2 | Set<RubyClass> oldSubclasses = subclasses;↵
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3 | if (oldSubclasses == null) return;↵ | | 3 | if (oldSubclasses == null) return;↵
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4 | oldSubclasses.remove(subclass);↵ | | 4 | oldSubclasses.remove(subclass);↵
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5 | oldSubclasses.add(newSubclass);↵ | | |
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6 | } | | 5 | }
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See real code fragment |
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See real code fragment |
Summary
Number of common nesting structure subtrees | 1 |
Number of refactorable cases | 0 |
Number of non-refactorable cases | 1 |
Time elapsed for finding largest common nesting structure subtrees (ms) | 0.3 |
Clones location | Clones are declared in the same class |
Number of node comparisons | 16 |
-
{Non-refactorable}
Mapping Summary
Number of mapped statements | 5 |
Number of unmapped statements in the first code fragment | 1 |
Number of unmapped statements in the second code fragment | 0 |
Time elapsed for statement mapping (ms) | 0.9 |
Clone type | Type 3 |
Mapped Statements
ID |
Statement |
|
ID |
Statement |
1 | synchronized (runtime.getHierarchyLock()) | | 1 | synchronized (runtime.getHierarchyLock()) |
2 | Set<RubyClass> oldSubclasses = subclasses; | | 2 | Set<RubyClass> oldSubclasses = subclasses; |
3 | if (oldSubclasses == null) | | 3 | if (oldSubclasses == null) |
4 | | | 4 | |
5 | oldSubclasses.remove(subclass); | | 5 | oldSubclasses.remove(subclass); |
6 | oldSubclasses.add(newSubclass); | | | |
Precondition Violations (1)
Row |
Violation |
1 | Clone fragment #1 returns variables oldSubclasses , while Clone fragment #2 returns variables |