if (state != null) { flush(); record = state.booleanValue(); }
if (executable != null) { list.add(executable); } addArgumentsToList(list);
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/RecorderEntry.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/Commandline.java
Method name: void setRecordState(Boolean) Method name: void addCommandToList(ListIterator)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (state != null) {
1
if (executable != null) {
2
            flush();
2
            list.add(executable);
3
      
3
        }
4
      record = state.booleanValue();
4
      
5
        }
5
  addArgumentsToList(list);
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 comparisons6
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements2
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)98.5
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    if (state != null)
    1
    if (state != null)
    1
    if (executable != null)
    Differences
    Expression1Expression2Difference
    stateexecutableVARIABLE_NAME_MISMATCH
    java.lang.Booleanjava.lang.StringVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.Boolean of variable state does not match with type java.lang.String of variable executable
    • Make classes java.lang.Boolean and java.lang.String extend a common superclass
    1
    if (executable != null)
    2
    flush();
    2
    flush();
    2
    list.add(executable);
    Differences
    Expression1Expression2Difference
    flushaddMETHOD_INVOCATION_NAME_MISMATCH
    flush()list.add(executable)ARGUMENT_NUMBER_MISMATCH
    listMISSING_METHOD_INVOCATION_EXPRESSION
    Preondition Violations
    Expression flush() is a void method call, and thus it cannot be parameterized
    Expression list.add(executable) is a void method call, and thus it cannot be parameterized
    Expression flush() is a void method call, and thus it cannot be parameterized
    Expression list.add(executable) is a void method call, and thus it cannot be parameterized
    2
    list.add(executable);
    3
    record = state.booleanValue();
                                                                  
                                                            
    3
    addArgumentsToList(list);
    Preondition Violations
    Unmatched statement addArgumentsToList(list); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3
    addArgumentsToList(list);
    Precondition Violations (6)
    Row Violation
    1Type java.lang.Boolean of variable state does not match with type java.lang.String of variable executable
    2Expression flush() is a void method call, and thus it cannot be parameterized
    3Expression list.add(executable) is a void method call, and thus it cannot be parameterized
    4Expression flush() is a void method call, and thus it cannot be parameterized
    5Expression list.add(executable) is a void method call, and thus it cannot be parameterized
    6Unmatched statement addArgumentsToList(list); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted