if (obj == this) { return true; } if (!(obj instanceof ComparableObjectSeries)) { return false; } if (!super.equals(obj)) { return false; } ComparableObjectSeries that = (ComparableObjectSeries) 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;
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;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/data/ComparableObjectSeries.java File path: /jfreechart-1.0.10/src/org/jfree/data/time/Millisecond.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 ComparableObjectSeries)) {
4
        if (!(obj instanceof Millisecond)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        if (!super.equals(obj)) {
7
        
8
            return false;
9
        }
10
        ComparableObjectSeries that = (ComparableObjectSeries) obj;
11
        if (this.maximumItemCount != that.maximumItemCount
8
Millisecond that = (Millisecond) obj;
9
        if (this.millisecond != that.millisecond) {
10
            return false;
11
        }
12
) {
12
        if (this.second != that.second) {
13
            return false;
13
            return false;
14
        }
14
        }
15
        if (this.autoSort != that.autoSort) {
15
        if (this.minute != that.minute) {
16
            return false;
16
            return false;
17
        }
17
        }
18
        if (this.allowDuplicateXValues != that.allowDuplicateXValues) {
18
        if (this.hour != that.hour) {
19
            return false;
19
            return false;
20
        }
20
        }
21
        if (!ObjectUtilities.equal(this.data, that.data)) {
21
        if (!this.day.equals(that.day)) {
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)3.6
Clones locationClones are in different classes
Number of node comparisons89
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements12
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment3
    Time elapsed for statement mapping (ms)8.7
    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 ComparableObjectSeries))
    3
    if (!(obj instanceof ComparableObjectSeries))
    3
    if (!(obj instanceof Millisecond))
    Differences
    Expression1Expression2Difference
    org.jfree.data.ComparableObjectSeriesorg.jfree.data.time.MillisecondVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.ComparableObjectSeries does not match with type org.jfree.data.time.Millisecond
    • Make classes org.jfree.data.ComparableObjectSeries and org.jfree.data.time.Millisecond extend a common superclass
    3
    if (!(obj instanceof Millisecond))
    4
    return false;
    4
    return false;
                                                                              
    5
    Millisecond that = (Millisecond)obj;
    5
    if (!super.equals(obj))
    5
    if (!super.equals(obj))
    14
    if (!this.day.equals(that.day))
    Differences
    Expression1Expression2Difference
    super.equals(obj)this.day.equals(that.day)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
    14
    if (!this.day.equals(that.day))
    6
    return false;
    15
    return false;
    7
    ComparableObjectSeries that = (ComparableObjectSeries)obj;
                                                                                                                          
    8
    if (this.maximumItemCount != that.maximumItemCount)
    8
    if (this.maximumItemCount != that.maximumItemCount)
    6
    if (this.millisecond != that.millisecond)
    Differences
    Expression1Expression2Difference
    maximumItemCountmillisecondVARIABLE_NAME_MISMATCH
    org.jfree.data.ComparableObjectSeriesorg.jfree.data.time.MillisecondVARIABLE_TYPE_MISMATCH
    maximumItemCountmillisecondVARIABLE_NAME_MISMATCH
    Preondition Violations
    Type int of variable that.maximumItemCount does not match with type int of variable that.millisecond
    • Make classes org.jfree.data.ComparableObjectSeries and org.jfree.data.time.Millisecond extend a common superclass
    Expression that.maximumItemCount cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.millisecond cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6
    if (this.millisecond != that.millisecond)
    9
    return false;
    7
    return false;
                                                                      
    8
    if (this.second != that.second)
                                    
    9
    return false;
    Preondition Violations
    Unmatched return false;
    9
    return false;
    10
    if (this.autoSort != that.autoSort)
    10
    if (this.autoSort != that.autoSort)
    10
    if (this.minute != that.minute)
    Differences
    Expression1Expression2Difference
    autoSortminuteVARIABLE_NAME_MISMATCH
    booleanbyteVARIABLE_TYPE_MISMATCH
    org.jfree.data.ComparableObjectSeriesorg.jfree.data.time.MillisecondVARIABLE_TYPE_MISMATCH
    autoSortminuteVARIABLE_NAME_MISMATCH
    booleanbyteVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type boolean of variable this.autoSort does not match with type byte of variable this.minute
    Type boolean of variable that.autoSort does not match with type byte of variable that.minute
    • Make classes org.jfree.data.ComparableObjectSeries and org.jfree.data.time.Millisecond extend a common superclass
    Expression that.autoSort cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.minute cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type boolean of variable that.autoSort does not match with type byte of variable that.minute
    10
    if (this.minute != that.minute)
    11
    return false;
    11
    return false;
    12
    if (this.allowDuplicateXValues != that.allowDuplicateXValues)
    12
    if (this.allowDuplicateXValues != that.allowDuplicateXValues)
    12
    if (this.hour != that.hour)
    Differences
    Expression1Expression2Difference
    allowDuplicateXValueshourVARIABLE_NAME_MISMATCH
    booleanbyteVARIABLE_TYPE_MISMATCH
    org.jfree.data.ComparableObjectSeriesorg.jfree.data.time.MillisecondVARIABLE_TYPE_MISMATCH
    allowDuplicateXValueshourVARIABLE_NAME_MISMATCH
    booleanbyteVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type boolean of variable this.allowDuplicateXValues does not match with type byte of variable this.hour
    Type boolean of variable that.allowDuplicateXValues does not match with type byte of variable that.hour
    • Make classes org.jfree.data.ComparableObjectSeries and org.jfree.data.time.Millisecond extend a common superclass
    Expression that.allowDuplicateXValues cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.hour cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type boolean of variable that.allowDuplicateXValues does not match with type byte of variable that.hour
    12
    if (this.hour != that.hour)
    13
    return false;
    13
    return false;
    Precondition Violations (19)
    Row Violation
    1Type org.jfree.data.ComparableObjectSeries does not match with type org.jfree.data.time.Millisecond
    2Expression this.day.equals(that.day) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Super method call if(!super.equals(obj)) cannot be extracted from method
    4Type int of variable that.maximumItemCount does not match with type int of variable that.millisecond
    5Expression that.maximumItemCount cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression that.millisecond cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Unmatched return false;
    8Type boolean of variable this.autoSort does not match with type byte of variable this.minute
    9Type boolean of variable that.autoSort does not match with type byte of variable that.minute
    10Expression that.autoSort cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Expression that.minute cannot be parameterized, because it has dependencies to/from statements that will be extracted
    12Type boolean of variable that.autoSort does not match with type byte of variable that.minute
    13Type boolean of variable this.allowDuplicateXValues does not match with type byte of variable this.hour
    14Type boolean of variable that.allowDuplicateXValues does not match with type byte of variable that.hour
    15Expression that.allowDuplicateXValues cannot be parameterized, because it has dependencies to/from statements that will be extracted
    16Expression that.hour cannot be parameterized, because it has dependencies to/from statements that will be extracted
    17Type boolean of variable that.allowDuplicateXValues does not match with type byte of variable that.hour
    18Not all possible execution flows end in a return statement
    19The refactoring of the clones is infeasible, because classes org.jfree.data.ComparableObjectSeries and org.jfree.data.time.Millisecond do not have a common superclass