if (value == null) { return warnMultiReturnNil(ruby); } return value;
if (threadLocalVariables == null) { threadLocalVariables = new HashMap<IRubyObject, IRubyObject>(); } return threadLocalVariables;
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/runtime/CompiledBlock.java File path: /jruby-1.4.0/src/org/jruby/RubyThread.java
Method name: IRubyObject defaultArgLogic(Ruby, IRubyObject) Method name: Map getThreadLocals()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (value == null) {
1
if (threadLocalVariables == null) {
2
            return warnMultiReturnNil(ruby);
2
            threadLocalVariables = new HashMap<IRubyObject, IRubyObject>();
3
        }
3
        }
4
        return value;
4
        return threadLocalVariables;
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 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)0.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (value == null)
    1
    if (value == null)
    1
    if (threadLocalVariables == null)
    Differences
    Expression1Expression2Difference
    valuethreadLocalVariablesVARIABLE_NAME_MISMATCH
    org.jruby.runtime.builtin.IRubyObjectjava.util.MapVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jruby.runtime.builtin.IRubyObject of variable value does not match with type java.util.Map<org.jruby.runtime.builtin.IRubyObject,org.jruby.runtime.builtin.IRubyObject> of variable threadLocalVariables
    • Make classes org.jruby.runtime.builtin.IRubyObject and java.util.Map extend a common superclass
    1
    if (threadLocalVariables == null)
                                                                                                                                  
    2
    threadLocalVariables = new HashMap<IRubyObject, IRubyObject>();
    2
    return warnMultiReturnNil(ruby);
    2
    return warnMultiReturnNil(ruby);
    Preondition Violations
    Unmatched return warnMultiReturnNil(ruby);
                                                                          
                                                                  
    3
    return threadLocalVariables;
    Preondition Violations
    Unmatched return threadLocalVariables;
    3
    return threadLocalVariables;
    3
    return value;
    3
    return value;
    Preondition Violations
    Unmatched return value;
                                    
    Precondition Violations (4)
    Row Violation
    1Type org.jruby.runtime.builtin.IRubyObject of variable value does not match with type java.util.Map<org.jruby.runtime.builtin.IRubyObject,org.jruby.runtime.builtin.IRubyObject> of variable threadLocalVariables
    2Unmatched return warnMultiReturnNil(ruby);
    3Unmatched return threadLocalVariables;
    4Unmatched return value;