if (fullName == null) { fullName = calculateFullName(); } return fullName;
if (classVariables == null) { classVariables = new Hashtable<String, IRubyObject>(4); } return classVariables;
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/RubyModule.java File path: /jruby-1.4.0/src/org/jruby/RubyModule.java
Method name: String getName() Method name: Map getClassVariables()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (fullName == null) {
1
if (classVariables == null) {
2
            fullName = calculateFullName();
2
            classVariables = new Hashtable<String, IRubyObject>(4);
3
        }
3
        }
4
        return fullName;
4
        return classVariables;
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 declared in the same class
Number of node comparisons5
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)0.5
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (fullName == null)
    1
    if (fullName == null)
    1
    if (classVariables == null)
    Differences
    Expression1Expression2Difference
    fullNameclassVariablesVARIABLE_NAME_MISMATCH
    java.lang.Stringjava.util.MapVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String of variable fullName does not match with type java.util.Map<java.lang.String,org.jruby.runtime.builtin.IRubyObject> of variable classVariables
    • Make classes java.lang.String and java.util.Map extend a common superclass
    1
    if (classVariables == null)
                                                                                                                  
    2
    classVariables = new Hashtable<String, IRubyObject>(4);
    2
    fullName = calculateFullName();
                                                                    
                                                      
    3
    return classVariables;
    Preondition Violations
    Unmatched return classVariables;
    3
    return classVariables;
    3
    return fullName;
    3
    return fullName;
    Preondition Violations
    Unmatched return fullName;
                                          
    Precondition Violations (3)
    Row Violation
    1Type java.lang.String of variable fullName does not match with type java.util.Map<java.lang.String,org.jruby.runtime.builtin.IRubyObject> of variable classVariables
    2Unmatched return classVariables;
    3Unmatched return fullName;