if (obj == null) { return false; } if (!(obj instanceof CategoryMarker)) { return false; } if (!super.equals(obj)) { return false; } CategoryMarker that = (CategoryMarker) obj; if (!this.key.equals(that.key)) { return false; } if (this.drawAsLine != that.drawAsLine) { return false; } return true;
if (obj == this) { return true; } if (!(obj instanceof TimePeriodValuesCollection)) { return false; } TimePeriodValuesCollection that = (TimePeriodValuesCollection) obj; if (this.domainIsPointsInTime != that.domainIsPointsInTime) { return false; } if (this.xPosition != that.xPosition) { 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/chart/plot/CategoryMarker.java File path: /jfreechart-1.0.10/src/org/jfree/data/time/TimePeriodValuesCollection.java
Method name: boolean equals(Object) Method name: boolean equals(Object)
Number of AST nodes: 12 Number of AST nodes: 12
1
if (obj == null) {
1
if (obj == this) {
2
            return false;
2
            return true;
3
        }
3
        }
4
        if (!(obj instanceof CategoryMarker)) {
4
        if (!(obj instanceof TimePeriodValuesCollection)) {
5
            return false;
5
            return false;   
6
        }
6
        }
7
        if (!super.equals(obj)) {
7
        
8
            return false;
9
        }
10
        CategoryMarker that = (CategoryMarker) obj;
8
TimePeriodValuesCollection that = (TimePeriodValuesCollection) obj;
9
        if (this.domainIsPointsInTime != that.domainIsPointsInTime) {
10
            return false;   
11
        }
11
        if (!this.key.equals(that.key)) {
12
        if (this.xPosition != that.xPosition) {
12
            return false;
13
            return false;   
13
        }
14
        }
14
        if (this.drawAsLine != that.drawAsLine) {
15
        if (!ObjectUtilities.equal(this.data, that.data)) {
15
            return false;
16
            return false;
16
        }
17
        }
17
        return true;
18
        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)1.7
Clones locationClones are in different classes
Number of node comparisons44
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements8
    Number of unmapped statements in the first code fragment3
    Number of unmapped statements in the second code fragment3
    Time elapsed for statement mapping (ms)2.4
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    if (obj == null)
    1
    if (obj == null)
    1
    if (obj == this)
    Differences
    Expression1Expression2Difference
    nullthisTYPE_COMPATIBLE_REPLACEMENT
    1
    if (obj == this)
    2
    return false;
    2
    return false;
    2
    return true;
    Differences
    Expression1Expression2Difference
    falsetrueLITERAL_VALUE_MISMATCH
    2
    return true;
    3
    if (!(obj instanceof CategoryMarker))
    3
    if (!(obj instanceof CategoryMarker))
    3
    if (!(obj instanceof TimePeriodValuesCollection))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.plot.CategoryMarkerorg.jfree.data.time.TimePeriodValuesCollectionVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.plot.CategoryMarker does not match with type org.jfree.data.time.TimePeriodValuesCollection
    • Make classes org.jfree.chart.plot.CategoryMarker and org.jfree.data.time.TimePeriodValuesCollection extend a common superclass
    3
    if (!(obj instanceof TimePeriodValuesCollection))
    4
    return false;
    4
    return false;
                                                                                                                                          
    5
    TimePeriodValuesCollection that = (TimePeriodValuesCollection)obj;
    5
    if (!super.equals(obj))
    5
    if (!super.equals(obj))
    10
    if (!ObjectUtilities.equal(this.data, that.data))
    Differences
    Expression1Expression2Difference
    super.equals(obj)ObjectUtilities.equal(this.data,that.data)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression ObjectUtilities.equal(this.data,that.data) 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
    10
    if (!ObjectUtilities.equal(this.data, that.data))
    6
    return false;
    11
    return false;
    7
    CategoryMarker that = (CategoryMarker)obj;
                                                                                          
    8
    if (!this.key.equals(that.key))
                                                                      
    9
    return false;
    9
    return false;
    Preondition Violations
    Unmatched return false;
                                    
    10
    if (this.drawAsLine != that.drawAsLine)
    10
    if (this.drawAsLine != that.drawAsLine)
    6
    if (this.domainIsPointsInTime != that.domainIsPointsInTime)
    Differences
    Expression1Expression2Difference
    drawAsLinedomainIsPointsInTimeVARIABLE_NAME_MISMATCH
    org.jfree.chart.plot.CategoryMarkerorg.jfree.data.time.TimePeriodValuesCollectionVARIABLE_TYPE_MISMATCH
    drawAsLinedomainIsPointsInTimeVARIABLE_NAME_MISMATCH
    Preondition Violations
    Type boolean of variable that.drawAsLine does not match with type boolean of variable that.domainIsPointsInTime
    • Make classes org.jfree.chart.plot.CategoryMarker and org.jfree.data.time.TimePeriodValuesCollection extend a common superclass
    Expression that.drawAsLine cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.domainIsPointsInTime cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6
    if (this.domainIsPointsInTime != that.domainIsPointsInTime)
    11
    return false;
    7
    return false;
                                                                                  
    8
    if (this.xPosition != that.xPosition)
                                    
    9
    return false;
    Preondition Violations
    Unmatched return false;
    9
    return false;
    Precondition Violations (9)
    Row Violation
    1Type org.jfree.chart.plot.CategoryMarker does not match with type org.jfree.data.time.TimePeriodValuesCollection
    2Expression ObjectUtilities.equal(this.data,that.data) 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
    4Unmatched return false;
    5Type boolean of variable that.drawAsLine does not match with type boolean of variable that.domainIsPointsInTime
    6Expression that.drawAsLine cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression that.domainIsPointsInTime cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Unmatched return false;
    9Not all possible execution flows end in a return statement