if (threadLocalVariables == null) { threadLocalVariables = new HashMap<IRubyObject, IRubyObject>(); } return threadLocalVariables;
if (providedMessage == null) { providedMessage = exception.message(exception.getRuntime().getCurrentContext()).asJavaString(); } return providedMessage;
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/RubyThread.java File path: /jruby-1.4.0/src/org/jruby/exceptions/RaiseException.java
Method name: Map getThreadLocals() Method name: String getMessage()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (threadLocalVariables == null) {
1
if (providedMessage == null) {
2
            threadLocalVariables = new HashMap<IRubyObject, IRubyObject>();
2
            providedMessage = exception.message(exception.getRuntime().getCurrentContext()).asJavaString();
3
        }
3
        }
4
        return threadLocalVariables;
4
        return providedMessage;
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 (threadLocalVariables == null)
    1
    if (threadLocalVariables == null)
    1
    if (providedMessage == null)
    Differences
    Expression1Expression2Difference
    threadLocalVariablesprovidedMessageVARIABLE_NAME_MISMATCH
    java.util.Mapjava.lang.StringVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.util.Map<org.jruby.runtime.builtin.IRubyObject,org.jruby.runtime.builtin.IRubyObject> of variable threadLocalVariables does not match with type java.lang.String of variable providedMessage
    • Make classes java.util.Map and java.lang.String extend a common superclass
    1
    if (providedMessage == null)
                                                                                                                                                                                                    
    2
    providedMessage = exception.message(exception.getRuntime().getCurrentContext()).asJavaString();
    2
    threadLocalVariables = new HashMap<IRubyObject, IRubyObject>();
                                                                                                                                  
                                                        
    3
    return providedMessage;
    Preondition Violations
    Unmatched return providedMessage;
    3
    return providedMessage;
    3
    return threadLocalVariables;
    3
    return threadLocalVariables;
    Preondition Violations
    Unmatched return threadLocalVariables;
                                                                  
    Precondition Violations (3)
    Row Violation
    1Type java.util.Map<org.jruby.runtime.builtin.IRubyObject,org.jruby.runtime.builtin.IRubyObject> of variable threadLocalVariables does not match with type java.lang.String of variable providedMessage
    2Unmatched return providedMessage;
    3Unmatched return threadLocalVariables;