if (obj == this) { return true; } if (!(obj instanceof Millisecond)) { return false; } Millisecond that = (Millisecond) obj; if (this.millisecond != that.millisecond) { return false; } if (this.second != that.second) { return false; } if (this.minute != that.minute) { return false; } if (this.hour != that.hour) { return false; } if (!this.day.equals(that.day)) { return false; } return true;
if (obj == this) { return true; } if (!(obj instanceof XYSeries)) { return false; } if (!super.equals(obj)) { return false; } XYSeries that = (XYSeries) obj; if (this.maximumItemCount != that.maximumItemCount) { return false; } if (this.autoSort != that.autoSort) { return false; } if (this.allowDuplicateXValues != that.allowDuplicateXValues) { return false; } if (!ObjectUtilities.equal(this.data, that.data)) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/data/time/Millisecond.java File path: /jfreechart-1.0.10/src/org/jfree/data/xy/XYSeries.java
Method name: boolean equals(Object) Method name: boolean equals(Object)
Number of AST nodes: 16 Number of AST nodes: 16
1
if (obj == this) {
1
if (obj == this) {
2
            return true;
2
            return true;
3
        }
3
        }
4
        if (!(obj instanceof Millisecond)) {
4
        if (!(obj instanceof XYSeries)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        Millisecond that = (Millisecond) obj;
7
        
8
        if (this.millisecond != that.millisecond) {
9
            return false;
10
        }
11
        if (this.second != that.second
8
if (!super.equals(obj)) {
9
            return false;
10
        }
11
        XYSeries that = (XYSeries) obj;
12
) {
12
        if (this.maximumItemCount != that.maximumItemCount) {
13
            return false;
13
            return false;
14
        }
14
        }
15
        if (this.minute != that.minute) {
15
        if (this.autoSort != that.autoSort) {
16
            return false;
16
            return false;
17
        }
17
        }
18
        if (this.hour != that.hour) {
18
        if (this.allowDuplicateXValues != that.allowDuplicateXValues) {
19
            return false;
19
            return false;
20
        }
20
        }
21
        if (!this.day.equals(that.day)) {
21
        if (!ObjectUtilities.equal(this.data, that.data)) {
22
            return false;
22
            return false;
23
        }
23
        }
24
        return true;
24
        return true;
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)3.9
Clones locationClones are in different classes
Number of node comparisons80
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements12
    Number of unmapped statements in the first code fragment3
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)9.2
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    if (obj == this)
    1
    if (obj == this)
    2
    return true;
    2
    return true;
    3
    if (!(obj instanceof Millisecond))
    3
    if (!(obj instanceof Millisecond))
    3
    if (!(obj instanceof XYSeries))
    Differences
    Expression1Expression2Difference
    org.jfree.data.time.Millisecondorg.jfree.data.xy.XYSeriesVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.time.Millisecond does not match with type org.jfree.data.xy.XYSeries
    • Make classes org.jfree.data.time.Millisecond and org.jfree.data.xy.XYSeries extend a common superclass
    3
    if (!(obj instanceof XYSeries))
    4
    return false;
    4
    return false;
    5
    Millisecond that = (Millisecond)obj;
                                                                              
                                                                  
    7
    XYSeries that = (XYSeries)obj;
    6
    if (this.millisecond != that.millisecond)
    6
    if (this.millisecond != that.millisecond)
    8
    if (this.maximumItemCount != that.maximumItemCount)
    Differences
    Expression1Expression2Difference
    millisecondmaximumItemCountVARIABLE_NAME_MISMATCH
    org.jfree.data.time.Millisecondorg.jfree.data.xy.XYSeriesVARIABLE_TYPE_MISMATCH
    millisecondmaximumItemCountVARIABLE_NAME_MISMATCH
    Preondition Violations
    Type int of variable that.millisecond does not match with type int of variable that.maximumItemCount
    • Make classes org.jfree.data.time.Millisecond and org.jfree.data.xy.XYSeries extend a common superclass
    Expression that.millisecond cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.maximumItemCount cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8
    if (this.maximumItemCount != that.maximumItemCount)
    7
    return false;
    9
    return false;
    8
    if (this.second != that.second)
    8
    if (this.second != that.second)
    10
    if (this.autoSort != that.autoSort)
    Differences
    Expression1Expression2Difference
    secondautoSortVARIABLE_NAME_MISMATCH
    bytebooleanVARIABLE_TYPE_MISMATCH
    org.jfree.data.time.Millisecondorg.jfree.data.xy.XYSeriesVARIABLE_TYPE_MISMATCH
    secondautoSortVARIABLE_NAME_MISMATCH
    bytebooleanVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type byte of variable this.second does not match with type boolean of variable this.autoSort
    Type byte of variable that.second does not match with type boolean of variable that.autoSort
    • Make classes org.jfree.data.time.Millisecond and org.jfree.data.xy.XYSeries extend a common superclass
    Expression that.second cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.autoSort cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type byte of variable that.second does not match with type boolean of variable that.autoSort
    10
    if (this.autoSort != that.autoSort)
    9
    return false;
    11
    return false;
    10
    if (this.minute != that.minute)
    10
    if (this.minute != that.minute)
    12
    if (this.allowDuplicateXValues != that.allowDuplicateXValues)
    Differences
    Expression1Expression2Difference
    minuteallowDuplicateXValuesVARIABLE_NAME_MISMATCH
    bytebooleanVARIABLE_TYPE_MISMATCH
    org.jfree.data.time.Millisecondorg.jfree.data.xy.XYSeriesVARIABLE_TYPE_MISMATCH
    minuteallowDuplicateXValuesVARIABLE_NAME_MISMATCH
    bytebooleanVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type byte of variable this.minute does not match with type boolean of variable this.allowDuplicateXValues
    Type byte of variable that.minute does not match with type boolean of variable that.allowDuplicateXValues
    • Make classes org.jfree.data.time.Millisecond and org.jfree.data.xy.XYSeries extend a common superclass
    Expression that.minute cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.allowDuplicateXValues cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type byte of variable that.minute does not match with type boolean of variable that.allowDuplicateXValues
    12
    if (this.allowDuplicateXValues != that.allowDuplicateXValues)
    11
    return false;
    13
    return false;
    12
    if (this.hour != that.hour)
                                                                
    13
    return false;
    13
    return false;
    Preondition Violations
    Unmatched return false;
                                      
    14
    if (!this.day.equals(that.day))
    14
    if (!this.day.equals(that.day))
    5
    if (!super.equals(obj))
    Differences
    Expression1Expression2Difference
    this.day.equals(that.day)super.equals(obj)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression this.day.equals(that.day) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Super method call if(!super.equals(obj)) cannot be extracted from method
    5
    if (!super.equals(obj))
    15
    return false;
    6
    return false;
    Precondition Violations (19)
    Row Violation
    1Type org.jfree.data.time.Millisecond does not match with type org.jfree.data.xy.XYSeries
    2Type int of variable that.millisecond does not match with type int of variable that.maximumItemCount
    3Expression that.millisecond cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression that.maximumItemCount cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Type byte of variable this.second does not match with type boolean of variable this.autoSort
    6Type byte of variable that.second does not match with type boolean of variable that.autoSort
    7Expression that.second cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Expression that.autoSort cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9Type byte of variable that.second does not match with type boolean of variable that.autoSort
    10Type byte of variable this.minute does not match with type boolean of variable this.allowDuplicateXValues
    11Type byte of variable that.minute does not match with type boolean of variable that.allowDuplicateXValues
    12Expression that.minute cannot be parameterized, because it has dependencies to/from statements that will be extracted
    13Expression that.allowDuplicateXValues cannot be parameterized, because it has dependencies to/from statements that will be extracted
    14Type byte of variable that.minute does not match with type boolean of variable that.allowDuplicateXValues
    15Unmatched return false;
    16Expression this.day.equals(that.day) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    17Super method call if(!super.equals(obj)) cannot be extracted from method
    18Not all possible execution flows end in a return statement
    19The refactoring of the clones is infeasible, because classes org.jfree.data.time.Millisecond and org.jfree.data.xy.XYSeries do not have a common superclass