if (obj == this) { return true; } if (!(obj instanceof NumberTickUnit)) { return false; } if (!super.equals(obj)) { return false; } NumberTickUnit that = (NumberTickUnit) obj; if (!this.formatter.equals(that.formatter)) { return false; } return true;
if (obj == this) { return true; } if (!(obj instanceof PaintItem)) { return false; } PaintItem that = (PaintItem) obj; if (this.value != that.value) { return false; } if (!PaintUtilities.equal(this.paint, that.paint)) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/axis/NumberTickUnit.java File path: /jfreechart-1.0.10/src/org/jfree/chart/renderer/LookupPaintScale.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 == this) {
2
            return true;
2
                return true;
3
        }
3
            }
4
        if (!(obj instanceof NumberTickUnit)) {
4
            if (!(obj instanceof PaintItem)) {
5
            return false;
5
                return false;
6
        }
6
            }
7
        if (!super.equals(obj)
7
            PaintItem that = (PaintItem) obj;
8
) {
8
            if (this.value != that.value) {
9
            return false;
9
                return false;
10
        }
10
        
11
    
11
    }
12
    NumberTickUnit that = (NumberTickUnit) obj;
12
    
13
        if (!this.formatter.equals(that.formatter)) {
13
        if (!PaintUtilities.equal(this.paint, that.paint)) {
14
            return false;
14
                return false;
15
        }
15
        
16
    }
16
        return true;
17
            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)0.9
Clones locationClones are in different classes
Number of node comparisons28
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements6
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment3
    Time elapsed for statement mapping (ms)1.3
    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 NumberTickUnit))
    3
    if (!(obj instanceof NumberTickUnit))
    3
    if (!(obj instanceof PaintItem))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.axis.NumberTickUnitorg.jfree.chart.renderer.LookupPaintScale.PaintItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.NumberTickUnit does not match with type org.jfree.chart.renderer.LookupPaintScale.PaintItem
    • Make classes org.jfree.chart.axis.NumberTickUnit and org.jfree.chart.renderer.LookupPaintScale.PaintItem extend a common superclass
    3
    if (!(obj instanceof PaintItem))
    4
    return false;
    4
    return false;
                                                                      
    5
    PaintItem that = (PaintItem)obj;
                                                                  
    6
    if (this.value != that.value)
                                    
    7
    return false;
    Preondition Violations
    Unmatched return false;
    7
    return false;
    5
    if (!super.equals(obj))
    5
    if (!super.equals(obj))
    8
    if (!PaintUtilities.equal(this.paint, that.paint))
    Differences
    Expression1Expression2Difference
    super.equals(obj)PaintUtilities.equal(this.paint,that.paint)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression PaintUtilities.equal(this.paint,that.paint) 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
    8
    if (!PaintUtilities.equal(this.paint, that.paint))
    6
    return false;
    9
    return false;
    Precondition Violations (6)
    Row Violation
    1Type org.jfree.chart.axis.NumberTickUnit does not match with type org.jfree.chart.renderer.LookupPaintScale.PaintItem
    2Unmatched return false;
    3Expression PaintUtilities.equal(this.paint,that.paint) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Super method call if(!super.equals(obj)) cannot be extracted from method
    5Not all possible execution flows end in a return statement
    6The refactoring of the clones is infeasible, because classes org.jfree.chart.axis.NumberTickUnit and org.jfree.chart.renderer.LookupPaintScale.PaintItem do not have a common superclass