synchronized (requireLocks) {
requireLock = requireLocks.get(requireName);
if (requireLock == null) {
requireLock = new Object();
requireLocks.put(requireName, requireLock);
}
}
synchronized (arities) {
result = arities.get(value);
if (result == null) {
result = new Arity(value);
arities.put(value, result);
}
}
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/runtime/load/LoadService.java
|
|
File path: /jruby-1.4.0/src/org/jruby/runtime/Arity.java
|
Method name: boolean lockAndRequire(String)
|
|
Method name: Arity newArity(int)
|
Number of AST nodes: 5
|
|
Number of AST nodes: 5
|
|
1 | synchronized (requireLocks) {↵ | | 1 | synchronized (arities) {↵
|
2 | requireLock = requireLocks.get(requireName);↵ | | 2 | ↵
|
3 | ↵ | | 3 | result = arities.get(value);↵
|
4 | if (requireLock == null) {↵ | | 4 | if (result == null) {↵
|
5 | requireLock = new Object();↵ | | 5 | result = new Arity(value);↵
|
6 | requireLocks.put(requireName, requireLock);↵ | | 6 | arities.put(value, result);↵
|
7 | }↵ | | 7 | ↵
|
8 | ↵ | | 8 | }↵
|
9 | } | | 9 | }
|
See real code fragment |
|
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) | 0.2 |
Clones location | Clones are in different classes |
Number of node comparisons | 11 |
-
{Non-refactorable}
Mapping Summary
Number of mapped statements | 1 |
Number of unmapped statements in the first code fragment | 3 |
Number of unmapped statements in the second code fragment | 3 |
Time elapsed for statement mapping (ms) | 0.8 |
Clone type | Type 2 |
Mapped Statements
ID |
Statement |
|
ID |
Statement |
5 | if (requireLock == null) | | 4 | if (result == null) |
| | | 5 | result = new Arity(value); |
| | | 6 | arities.put(value, result); |
6 | requireLock = new Object(); | | | |
7 | requireLocks.put(requireName, requireLock); | | | |
Precondition Violations (3)
Row |
Violation |
1 | Type java.lang.Object of variable requireLock does not match with type org.jruby.runtime.Arity of variable result |
2 | Unmatched statement result=new Arity(value); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted |
3 | Unmatched statement requireLock=new Object(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted |