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;
if (obj == this) { return true; } if (!(obj instanceof XYDataItem)) { return false; } XYDataItem that = (XYDataItem) obj; if (!this.x.equals(that.x)) { return false; } if (!ObjectUtilities.equal(this.y, that.y)) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/renderer/LookupPaintScale.java File path: /jfreechart-1.0.10/src/org/jfree/data/xy/XYDataItem.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 PaintItem)) {
4
        if (!(obj instanceof XYDataItem)) {
5
                return false;
5
            return false;
6
            }
6
        }
7
            PaintItem that = (PaintItem) obj;
7
        XYDataItem that = (XYDataItem) obj;
8
            if (this.value != that.value) {
8
        if (!this.x.equals(that.x)) {
9
                return false;
9
            return false;
10
            }
10
        }
11
            if (!PaintUtilities.equal(this.paint, that.paint)) {
11
        if (!ObjectUtilities.equal(this.y, that.y)) {
12
                return false;
12
            return false;
13
            }
13
        
14
    
14
}
15
        return true;
15
        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)1.0
Clones locationClones are in different classes
Number of node comparisons29
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements6
    Number of unmapped statements in the first code fragment3
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)1.5
    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 PaintItem))
    3
    if (!(obj instanceof PaintItem))
    3
    if (!(obj instanceof XYDataItem))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.renderer.LookupPaintScale.PaintItemorg.jfree.data.xy.XYDataItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.renderer.LookupPaintScale.PaintItem does not match with type org.jfree.data.xy.XYDataItem
    • Make classes org.jfree.chart.renderer.LookupPaintScale.PaintItem and org.jfree.data.xy.XYDataItem extend a common superclass
    3
    if (!(obj instanceof XYDataItem))
    4
    return false;
    4
    return false;
                                                                          
    5
    XYDataItem that = (XYDataItem)obj;
    5
    PaintItem that = (PaintItem)obj;
                                                                      
    6
    if (this.value != that.value)
                                                                  
    7
    return false;
    7
    return false;
    Preondition Violations
    Unmatched return false;
                                    
    8
    if (!PaintUtilities.equal(this.paint, that.paint))
    8
    if (!PaintUtilities.equal(this.paint, that.paint))
    6
    if (!this.x.equals(that.x))
    Differences
    Expression1Expression2Difference
    PaintUtilities.equal(this.paint,that.paint)this.x.equals(that.x)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
    Expression this.x.equals(that.x) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6
    if (!this.x.equals(that.x))
    9
    return false;
    7
    return false;
    Precondition Violations (5)
    Row Violation
    1Type org.jfree.chart.renderer.LookupPaintScale.PaintItem does not match with type org.jfree.data.xy.XYDataItem
    2Unmatched return false;
    3Expression PaintUtilities.equal(this.paint,that.paint) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression this.x.equals(that.x) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Not all possible execution flows end in a return statement