if (obj instanceof Tick) { Tick t = (Tick) obj; if (!ObjectUtilities.equal(this.text, t.text)) { return false; } if (!ObjectUtilities.equal(this.textAnchor, t.textAnchor)) { return false; } if (!ObjectUtilities.equal(this.rotationAnchor, t.rotationAnchor)) { return false; } if (!(this.angle == t.angle)) { return false; } return true; }
if (obj == this) { return true; } if (!(obj instanceof LineBorder)) { return false; } LineBorder that = (LineBorder) obj; if (!PaintUtilities.equal(this.paint, that.paint)) { return false; } if (!ObjectUtilities.equal(this.stroke, that.stroke)) { return false; } if (!this.insets.equals(that.insets)) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/axis/Tick.java File path: /jfreechart-1.0.10/src/org/jfree/chart/block/LineBorder.java
Method name: boolean equals(Object) Method name: boolean equals(Object)
Number of AST nodes: 11 Number of AST nodes: 12
1
if (obj instanceof Tick) {
1
if (obj == this) {
2
            Tick t = (Tick) obj;   
2
            return true;   
3
       
3
        }
4
     if (!ObjectUtilities.equal(this.text, t.text)) {
4
        if (!(obj instanceof LineBorder)) {
5
                return false;   
5
            return false;   
6
        
6
        }
7
    }
7
    
8
    
8
    LineBorder that = (LineBorder) obj;
9
        if (!ObjectUtilities.equal(this.textAnchor, t.textAnchor)) {
9
        if (!PaintUtilities.equal(this.paint, that.paint)) {
10
                return false;   
10
            return false;
11
   
12
         }
11
        }
13
            if (!ObjectUtilities.equal(this.rotationAnchor, t.rotationAnchor)) {
12
        if (!ObjectUtilities.equal(this.stroke, that.stroke)) {
14
                return false;   
13
            return false;
15
            }
14
        }
16
            if (!(this.angle == t.angle)) {
15
        if (!this.insets.equals(that.insets)) {
17
                return false;   
16
            return false;
18
            }
17
        
19
    
18
}
20
        return true;
19
        return true;
21
        }
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)2.4
Clones locationClones are in different classes
Number of node comparisons51
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements8
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)2.6
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    4
    Tick t = (Tick)obj;
                                            
                                                                          
    5
    LineBorder that = (LineBorder)obj;
    5
    if (!ObjectUtilities.equal(this.text, t.text))
    5
    if (!ObjectUtilities.equal(this.text, t.text))
    8
    if (!ObjectUtilities.equal(this.stroke, that.stroke))
    Differences
    Expression1Expression2Difference
    textstrokeVARIABLE_NAME_MISMATCH
    java.lang.Stringjava.awt.StrokeVARIABLE_TYPE_MISMATCH
    tthatVARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.Tickorg.jfree.chart.block.LineBorderVARIABLE_TYPE_MISMATCH
    textstrokeVARIABLE_NAME_MISMATCH
    java.lang.Stringjava.awt.StrokeVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String of variable this.text does not match with type java.awt.Stroke of variable this.stroke
    • Make classes java.lang.String and java.awt.Stroke extend a common superclass
    Expression t.text cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.stroke cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type java.lang.String of variable t.text does not match with type java.awt.Stroke of variable that.stroke
    • Make classes org.jfree.chart.axis.Tick and org.jfree.chart.block.LineBorder extend a common superclass
    Expression t.text cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.stroke cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type java.lang.String of variable t.text does not match with type java.awt.Stroke of variable that.stroke
    • Make classes java.lang.String and java.awt.Stroke extend a common superclass
    8
    if (!ObjectUtilities.equal(this.stroke, that.stroke))
    6
    return false;
    9
    return false;
    7
    if (!ObjectUtilities.equal(this.textAnchor, t.textAnchor))
    7
    if (!ObjectUtilities.equal(this.textAnchor, t.textAnchor))
    6
    if (!PaintUtilities.equal(this.paint, that.paint))
    Differences
    Expression1Expression2Difference
    textAnchorpaintVARIABLE_NAME_MISMATCH
    org.jfree.ui.TextAnchorjava.awt.PaintVARIABLE_TYPE_MISMATCH
    tthatVARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.Tickorg.jfree.chart.block.LineBorderVARIABLE_TYPE_MISMATCH
    textAnchorpaintVARIABLE_NAME_MISMATCH
    org.jfree.ui.TextAnchorjava.awt.PaintVARIABLE_TYPE_MISMATCH
    org.jfree.util.ObjectUtilitiesorg.jfree.util.PaintUtilitiesVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.ui.TextAnchor of variable this.textAnchor does not match with type java.awt.Paint of variable this.paint
    • Make classes org.jfree.ui.TextAnchor and java.awt.Paint extend a common superclass
    Expression t.textAnchor cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.paint cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type org.jfree.ui.TextAnchor of variable t.textAnchor does not match with type java.awt.Paint of variable that.paint
    • Make classes org.jfree.chart.axis.Tick and org.jfree.chart.block.LineBorder extend a common superclass
    Expression t.textAnchor cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.paint cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type org.jfree.ui.TextAnchor of variable t.textAnchor does not match with type java.awt.Paint of variable that.paint
    • Make classes org.jfree.ui.TextAnchor and java.awt.Paint extend a common superclass
    Type org.jfree.util.ObjectUtilities does not match with type org.jfree.util.PaintUtilities
    • Make classes org.jfree.util.ObjectUtilities and org.jfree.util.PaintUtilities extend a common superclass
    6
    if (!PaintUtilities.equal(this.paint, that.paint))
    8
    return false;
    7
    return false;
    9
    if (!ObjectUtilities.equal(this.rotationAnchor, t.rotationAnchor))
    9
    if (!ObjectUtilities.equal(this.rotationAnchor, t.rotationAnchor))
    3
    if (!(obj instanceof LineBorder))
    Differences
    Expression1Expression2Difference
    ObjectUtilities.equal(this.rotationAnchor,t.rotationAnchor)(obj instanceof LineBorder)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression ObjectUtilities.equal(this.rotationAnchor,t.rotationAnchor) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3
    if (!(obj instanceof LineBorder))
    10
    return false;
    4
    return false;
    11
    if (!(this.angle == t.angle))
    11
    if (!(this.angle == t.angle))
    10
    if (!this.insets.equals(that.insets))
    Differences
    Expression1Expression2Difference
    (this.angle == t.angle)this.insets.equals(that.insets)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression (this.angle == t.angle) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression this.insets.equals(that.insets) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10
    if (!this.insets.equals(that.insets))
    12
    return false;
    11
    return false;
    Precondition Violations (19)
    Row Violation
    1Type java.lang.String of variable this.text does not match with type java.awt.Stroke of variable this.stroke
    2Expression t.text cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression that.stroke cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Type java.lang.String of variable t.text does not match with type java.awt.Stroke of variable that.stroke
    5Expression t.text cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression that.stroke cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Type java.lang.String of variable t.text does not match with type java.awt.Stroke of variable that.stroke
    8Type org.jfree.ui.TextAnchor of variable this.textAnchor does not match with type java.awt.Paint of variable this.paint
    9Expression t.textAnchor cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Expression that.paint cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Type org.jfree.ui.TextAnchor of variable t.textAnchor does not match with type java.awt.Paint of variable that.paint
    12Expression t.textAnchor cannot be parameterized, because it has dependencies to/from statements that will be extracted
    13Expression that.paint cannot be parameterized, because it has dependencies to/from statements that will be extracted
    14Type org.jfree.ui.TextAnchor of variable t.textAnchor does not match with type java.awt.Paint of variable that.paint
    15Type org.jfree.util.ObjectUtilities does not match with type org.jfree.util.PaintUtilities
    16Expression ObjectUtilities.equal(this.rotationAnchor,t.rotationAnchor) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    17Expression (this.angle == t.angle) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    18Expression this.insets.equals(that.insets) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    19Not all possible execution flows end in a return statement