if (obj == this) { return true; } if (!(obj instanceof GanttRenderer)) { return false; } GanttRenderer that = (GanttRenderer) obj; if (!PaintUtilities.equal(this.completePaint, that.completePaint)) { return false; } if (!PaintUtilities.equal(this.incompletePaint, that.incompletePaint)) { return false; } if (this.startPercent != that.startPercent) { return false; } if (this.endPercent != that.endPercent) { return false; } return super.equals(obj);
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/chart/renderer/category/GanttRenderer.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: 14 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 GanttRenderer)) {
4
        if (!(obj instanceof Millisecond)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        GanttRenderer that = (GanttRenderer) obj;
7
        
8
        if (!PaintUtilities.equal(th
8
Millisecond that = (Millisecond) obj;
9
is.completePaint, that.completePaint)) {
9
        if (this.millisecond != that.millisecond) {
10
            return false;
10
            return false;
11
        }
11
        }
12
        if (!PaintUtilities.equal
12
        if (this.second != that.second) {
13
            return false;
14
        }
13
(this.incompletePaint, that.incompletePaint)) {
15
        if (this.minute != that.minute) {
14
            return false;
16
            return false;
15
        }
17
        }
16
        if (this.startPercent != that.startPercent) {
18
        if (this.hour != that.hour) {
17
            return false;
19
            return false;
18
        }
20
        }
19
        if (this.endPercent != that.endPercent) {
21
        if (!this.day.equals(that.day)) {
20
            return false;
22
            return false;
21
        }
23
        }
22
        return super.equals(obj);
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 comparisons76
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements10
    Number of unmapped statements in the first code fragment3
    Number of unmapped statements in the second code fragment5
    Time elapsed for statement mapping (ms)8.6
    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 GanttRenderer))
    3
    if (!(obj instanceof GanttRenderer))
    3
    if (!(obj instanceof Millisecond))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.renderer.category.GanttRendererorg.jfree.data.time.MillisecondVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.renderer.category.GanttRenderer does not match with type org.jfree.data.time.Millisecond
    • Make classes org.jfree.chart.renderer.category.GanttRenderer 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
    GanttRenderer that = (GanttRenderer)obj;
                                                                                      
                                                                                          
    6
    if (this.millisecond != that.millisecond)
                                    
    7
    return false;
    Preondition Violations
    Unmatched return false;
    7
    return false;
                                                                      
    8
    if (this.second != that.second)
                                    
    9
    return false;
    Preondition Violations
    Unmatched return false;
    9
    return false;
    6
    if (!PaintUtilities.equal(this.completePaint, that.completePaint))
    6
    if (!PaintUtilities.equal(this.completePaint, that.completePaint))
    14
    if (!this.day.equals(that.day))
    Differences
    Expression1Expression2Difference
    PaintUtilities.equal(this.completePaint,that.completePaint)this.day.equals(that.day)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression PaintUtilities.equal(this.completePaint,that.completePaint) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression this.day.equals(that.day) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    14
    if (!this.day.equals(that.day))
    7
    return false;
    15
    return false;
    8
    if (!PaintUtilities.equal(this.incompletePaint, that.incompletePaint))
                                                                                                                                                  
    9
    return false;
    9
    return false;
    Preondition Violations
    Unmatched return false;
                                    
    10
    if (this.startPercent != that.startPercent)
    10
    if (this.startPercent != that.startPercent)
    10
    if (this.minute != that.minute)
    Differences
    Expression1Expression2Difference
    startPercentminuteVARIABLE_NAME_MISMATCH
    doublebyteVARIABLE_TYPE_MISMATCH
    org.jfree.chart.renderer.category.GanttRendererorg.jfree.data.time.MillisecondVARIABLE_TYPE_MISMATCH
    startPercentminuteVARIABLE_NAME_MISMATCH
    doublebyteVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type double of variable this.startPercent does not match with type byte of variable this.minute
    Type double of variable that.startPercent does not match with type byte of variable that.minute
    • Make classes org.jfree.chart.renderer.category.GanttRenderer and org.jfree.data.time.Millisecond extend a common superclass
    Expression that.startPercent 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 double of variable that.startPercent 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.endPercent != that.endPercent)
    12
    if (this.endPercent != that.endPercent)
    12
    if (this.hour != that.hour)
    Differences
    Expression1Expression2Difference
    endPercenthourVARIABLE_NAME_MISMATCH
    doublebyteVARIABLE_TYPE_MISMATCH
    org.jfree.chart.renderer.category.GanttRendererorg.jfree.data.time.MillisecondVARIABLE_TYPE_MISMATCH
    endPercenthourVARIABLE_NAME_MISMATCH
    doublebyteVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type double of variable this.endPercent does not match with type byte of variable this.hour
    Type double of variable that.endPercent does not match with type byte of variable that.hour
    • Make classes org.jfree.chart.renderer.category.GanttRenderer and org.jfree.data.time.Millisecond extend a common superclass
    Expression that.endPercent 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 double of variable that.endPercent does not match with type byte of variable that.hour
    12
    if (this.hour != that.hour)
    13
    return false;
    13
    return false;
    Precondition Violations (18)
    Row Violation
    1Type org.jfree.chart.renderer.category.GanttRenderer does not match with type org.jfree.data.time.Millisecond
    2Unmatched return false;
    3Unmatched return false;
    4Expression PaintUtilities.equal(this.completePaint,that.completePaint) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression this.day.equals(that.day) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Unmatched return false;
    7Type double of variable this.startPercent does not match with type byte of variable this.minute
    8Type double of variable that.startPercent does not match with type byte of variable that.minute
    9Expression that.startPercent cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Expression that.minute cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Type double of variable that.startPercent does not match with type byte of variable that.minute
    12Type double of variable this.endPercent does not match with type byte of variable this.hour
    13Type double of variable that.endPercent does not match with type byte of variable that.hour
    14Expression that.endPercent cannot be parameterized, because it has dependencies to/from statements that will be extracted
    15Expression that.hour cannot be parameterized, because it has dependencies to/from statements that will be extracted
    16Type double of variable that.endPercent does not match with type byte of variable that.hour
    17Not all possible execution flows end in a return statement
    18The refactoring of the clones is infeasible, because classes org.jfree.chart.renderer.category.GanttRenderer and org.jfree.data.time.Millisecond do not have a common superclass