IRubyObject object = runtime.getObjectSpace().id2ref(longId); if (object == null) { return runtime.getNil(); } return object;
JavaClass javaClass = runtime.getJavaSupport().getJavaClassFromCache(klass); if (javaClass == null) { javaClass = createJavaClass(runtime,klass); } return javaClass;
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/RubyObjectSpace.java File path: /jruby-1.4.0/src/org/jruby/javasupport/JavaClass.java
Method name: IRubyObject id2ref(IRubyObject, IRubyObject) Method name: JavaClass get(Ruby, Class)
Number of AST nodes: 4 Number of AST nodes: 4
1
IRubyObject object = runtime.getObjectSpace().id2ref(longId);
2
    
1
JavaClass javaClass = runtime.getJavaSupport().getJavaClassFromCache(klass);
3
        if (object == null) {
2
        if (javaClass == null) {
4
                return runtime.getNil();
3
            javaClass = createJavaClass(runtime,klass);
5
            }
4
        
6
    
5
}
7
        return object;
6
        return javaClass;
Summary
Number of common nesting structure subtrees1
Number of refactorable cases0
Number of non-refactorable cases1
Time elapsed for finding largest common nesting structure subtrees (ms)0.1
Clones locationClones are in different classes
Number of node comparisons8
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment3
    Number of unmapped statements in the second code fragment3
    Time elapsed for statement mapping (ms)0.6
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                                                                                              
    1
    JavaClass javaClass = runtime.getJavaSupport().getJavaClassFromCache(klass);
    14
    IRubyObject object = runtime.getObjectSpace().id2ref(longId);
                                                                                                                                  
    15
    if (object == null)
    15
    if (object == null)
    2
    if (javaClass == null)
    Differences
    Expression1Expression2Difference
    objectjavaClassVARIABLE_NAME_MISMATCH
    org.jruby.runtime.builtin.IRubyObjectorg.jruby.javasupport.JavaClassVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jruby.runtime.builtin.IRubyObject of variable object does not match with type org.jruby.javasupport.JavaClass of variable javaClass
    • Make classes org.jruby.runtime.builtin.IRubyObject and org.jruby.javasupport.JavaClass extend a common superclass
    2
    if (javaClass == null)
                                                                                            
    3
    javaClass = createJavaClass(runtime, klass);
    Preondition Violations
    Unmatched statement javaClass=createJavaClass(runtime,klass); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3
    javaClass = createJavaClass(runtime, klass);
    16
    return runtime.getNil();
    16
    return runtime.getNil();
    Preondition Violations
    Unmatched return runtime.getNil();
                                                            
                                            
    4
    return javaClass;
    Preondition Violations
    Unmatched return javaClass;
    4
    return javaClass;
    17
    return object;
    17
    return object;
    Preondition Violations
    Unmatched return object;
                                        
    Precondition Violations (5)
    Row Violation
    1Type org.jruby.runtime.builtin.IRubyObject of variable object does not match with type org.jruby.javasupport.JavaClass of variable javaClass
    2Unmatched statement javaClass=createJavaClass(runtime,klass); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3Unmatched return runtime.getNil();
    4Unmatched return javaClass;
    5Unmatched return object;