Class unsafeClass = Class.forName("sun.misc.Unsafe");
Field field = unsafeClass.getDeclaredField("theUnsafe");
field.setAccessible(true);
// if we get here, the class and field exist; construct our Unsafe impl
// that calls it directly
unsafe = (Unsafe)Class.forName("org.jruby.util.unsafe.SunUnsafeWrapper").newInstance();
Class unsafeClass = Class.forName("sun.misc.Unsafe");
Field field = unsafeClass.getDeclaredField("theUnsafe");
field.setAccessible(true);
this.sunUnsafe = (sun.misc.Unsafe)field.get(null);
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/util/unsafe/UnsafeFactory.java
|
|
File path: /jruby-1.4.0/src/org/jruby/util/unsafe/SunUnsafeWrapper.java
|
Method name: Unsafe loadUnsafe()
|
|
Method name: void SunUnsafeWrapper()
|
Number of AST nodes: 4
|
|
Number of AST nodes: 4
|
|
1 | Class unsafeClass = Class.forName("sun.misc.Unsafe");↵ | | 1 | Class unsafeClass = Class.forName("sun.misc.Unsafe");↵
|
2 | Field field = unsafeClass.getDeclaredField("theUnsafe");↵ | | 2 | Field field = unsafeClass.getDeclaredField("theUnsafe");↵
|
3 | field.setAccessible(true);↵ | | 3 | field.setAccessible(true);↵
|
4 | // if we get here, the class and field exist; construct our Unsafe impl↵ | | 4 | ↵
|
5 | // that calls it directly↵ | | |
|
6 | unsafe = (Unsafe)Class.forName("org.jruby.util.unsafe.SunUnsafeWrapper").newInstance(); | | 5 | this.sunUnsafe = (sun.misc.Unsafe)field.get(null);
|
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) | 0.0 |
Clones location | Clones are in different classes |
Number of node comparisons | 10 |
-
{Non-refactorable}
Mapping Summary
Number of mapped statements | 3 |
Number of unmapped statements in the first code fragment | 1 |
Number of unmapped statements in the second code fragment | 1 |
Time elapsed for statement mapping (ms) | 0.0 |
Clone type | Type 2 |
Mapped Statements
ID |
Statement |
|
ID |
Statement |
6 | Class unsafeClass = Class.forName("sun.misc.Unsafe"); | | 2 | Class unsafeClass = Class.forName("sun.misc.Unsafe"); |
7 | Field field = unsafeClass.getDeclaredField("theUnsafe"); | | 3 | Field field = unsafeClass.getDeclaredField("theUnsafe"); |
8 | field.setAccessible(true); | | 4 | field.setAccessible(true); |
Precondition Violations (1)
Row |
Violation |
1 | Clone fragment #1 returns variables , while Clone fragment #2 returns variables field |