if (obj == this) { return true; } if (!(obj instanceof DialPointer)) { return false; } DialPointer that = (DialPointer) obj; if (this.datasetIndex != that.datasetIndex) { return false; } if (this.radius != that.radius) { return false; } return super.equals(obj);
if (obj == null) { return false; } if (obj == this) { return true; } if (!(obj instanceof HistogramType)) { return false; } HistogramType t = (HistogramType) obj; if (!this.name.equals(t.name)) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/plot/dial/DialPointer.java File path: /jfreechart-1.0.10/src/org/jfree/data/statistics/HistogramType.java
Method name: boolean equals(Object) Method name: boolean equals(Object)
Number of AST nodes: 10 Number of AST nodes: 10
1
if (obj == this) {
1
if (obj == null) {
2
            return true;
2
            return false;   
3
        }
3
        }
4
        
4
        if (!(obj instanceof DialPointer)) {
5
        if (obj == this) {
5
            return false;
6
            return true;
6
        }
7
        }
7
        DialPointer that = (DialPointer) obj;
8
        
8
        if (this.datasetIndex != that.datasetIndex) {
9
            return false;
10
        }
11
        if (this.radius != that.radius
9
        if (!(obj instanceof HistogramType)) {
10
            return false;
11
        }
12
        
13
        HistogramType t = (HistogramType) obj;
12
) {
14
        if (!this.name.equals(t.name)) {
13
            return false;
15
            return false;
14
        }
16
        }
15
        return super.equals(obj)
17
        
16
;
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)0.8
Clones locationClones are in different classes
Number of node comparisons22
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements4
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)0.7
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (obj == this)
    3
    if (obj == this)
    2
    return true;
    4
    return true;
    3
    if (!(obj instanceof DialPointer))
    3
    if (!(obj instanceof DialPointer))
    5
    if (!(obj instanceof HistogramType))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.plot.dial.DialPointerorg.jfree.data.statistics.HistogramTypeVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.plot.dial.DialPointer does not match with type org.jfree.data.statistics.HistogramType
    • Make classes org.jfree.chart.plot.dial.DialPointer and org.jfree.data.statistics.HistogramType extend a common superclass
    5
    if (!(obj instanceof HistogramType))
    4
    return false;
    6
    return false;
    Precondition Violations (3)
    Row Violation
    1Type org.jfree.chart.plot.dial.DialPointer does not match with type org.jfree.data.statistics.HistogramType
    2Not all possible execution flows end in a return statement
    3The refactoring of the clones is infeasible, because classes org.jfree.chart.plot.dial.DialPointer and org.jfree.data.statistics.HistogramType do not have a common superclass