43-100-147

if (obj == this) { return true; } if (!(obj instanceof ComparableObjectItem)) { return false; } ComparableObjectItem that = (ComparableObjectItem) obj; if (!this.x.equals(that.x)) { return false; } if (!ObjectUtilities.equal(this.obj, that.obj)) { return false; } return true;
if (obj == this) { return true; } if (!(obj instanceof XYDifferenceRenderer)) { return false; } if (!super.equals(obj)) { return false; } XYDifferenceRenderer that = (XYDifferenceRenderer) obj; if (!PaintUtilities.equal(this.positivePaint, that.positivePaint)) { return false; } if (!PaintUtilities.equal(this.negativePaint, that.negativePaint)) { return false; } if (this.shapesVisible != that.shapesVisible) { return false; } if (!ShapeUtilities.equal(this.legendLine, that.legendLine)) { return false; } if (this.roundXCoordinates != that.roundXCoordinates) { return false; } return true;

Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/data/ComparableObjectItem.java |  | File path: /jfreechart-1.0.10/src/org/jfree/chart/renderer/xy/XYDifferenceRenderer.java
Method name: `boolean equals(Object)` |  | Method name: `boolean equals(Object)`
Number of AST nodes: 10 |  | Number of AST nodes: 18

1

    if (obj == this) {↵

1

    if (obj == this) {↵

2

                return true;↵

2

                return true;   ↵

3

            }↵

3

            }↵

4

            if (!(obj instanceof ComparableObjectItem)) {↵

4

            if (!(obj instanceof XYDifferenceRenderer)) {↵

5

                return false;↵

5

                return false;   ↵

6

            }↵

6

            }↵

7

            ComparableObjectItem that = (ComparableObjectItem) obj;↵

7

            ↵

8

            if (!this.x.equals(that.x↵

8

    if (!super.equals(obj)) {↵

9

                return false;   ↵

10

            }↵

11

            XYDifferenceRenderer that = (XYDifferenceRenderer) obj;↵

12

            if (!PaintUtilities.equal(this.positivePaint, that.positivePaint)) {↵

13

                return false;   ↵

14

            }↵

9

    )) {↵

15

            if (!PaintUtilities.equal(this.negativePaint, that.negativePaint)) {↵

10

                return false;↵

16

                return false;   ↵

11

            }↵

17

            }↵

12

            if (!ObjectUtilities.equal(this.obj, that.obj)↵

18

            if (this.shapesVisible != that.shapesVisible) {↵

19

                return false;   ↵

20

            }↵

21

            if (!ShapeUtilities.equal(this.legendLine, that.legendLine)) {↵

22

                return false;   ↵

23

            }↵

13

    ) {↵

24

            if (this.roundXCoordinates != that.roundXCoordinates) {↵

14

                return false;↵

25

                return false;↵

15

            }↵

26

            }↵

16

            return true;

27

            return true;

See real code fragment |  | See real code fragment

Summary
Number of common nesting structure subtrees | 1
Number of refactorable cases | 0
Number of non-refactorable cases | 1
Time elapsed for finding largest common nesting structure subtrees (ms) | 1.3
Clones location | Clones are in different classes
Number of node comparisons | 66

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 9
   Number of unmapped statements in the first code fragment | 1
   Number of unmapped statements in the second code fragment | 9
   Time elapsed for statement mapping (ms) | 1.0
   Clone type | Type 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 ComparableObjectItem))

   3 | if (!(obj instanceof ComparableObjectItem))
   3 | if (!(obj instanceof XYDifferenceRenderer))

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   org.jfree.data.ComparableObjectItem | org.jfree.chart.renderer.xy.XYDifferenceRenderer | VARIABLE_TYPE_MISMATCH

   Preondition Violations

   Type boolean of variable obj instanceof ComparableObjectItem does not match with type boolean of variable obj instanceof XYDifferenceRenderer
   - Make classes org.jfree.data.ComparableObjectItem and org.jfree.chart.renderer.xy.XYDifferenceRenderer extend a common superclass

   3

       if (!(obj instanceof XYDifferenceRenderer))

   4

       return false;

   4

       return false;

   5

       ComparableObjectItem that = (ComparableObjectItem)obj;

   6

       if (!this.x.equals(that.x))

   6 | if (! this.x.equals(that.x))
   5 | if (! super.equals(obj))

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   this.x.equals(that.x) | super.equals(obj) | TYPE_COMPATIBLE_REPLACEMENT

   5

       if (!super.equals(obj))

   7

       return false;

   6

       return false;

   7

       XYDifferenceRenderer that = (XYDifferenceRenderer)obj;

   8

       if (!ObjectUtilities.equal(this.obj, that.obj))

   8 | if (! ObjectUtilities.equal(this.obj, that.obj))
   8 | if (! PaintUtilities.equal(this.positivePaint, that.positivePaint))

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   obj | positivePaint | VARIABLE_NAME_MISMATCH
   java.lang.Object | java.awt.Paint | VARIABLE_TYPE_MISMATCH
   org.jfree.util.ObjectUtilities | org.jfree.util.PaintUtilities | VARIABLE_TYPE_MISMATCH

   Preondition Violations

   Type java.lang.Object of variable this.obj does not match with type java.awt.Paint of variable this.positivePaint
   - Make classes java.lang.Object and java.awt.Paint extend a common superclass

   Type org.jfree.util.ObjectUtilities of variable ObjectUtilities does not match with type org.jfree.util.PaintUtilities of variable PaintUtilities
   - Make classes org.jfree.util.ObjectUtilities and org.jfree.util.PaintUtilities extend a common superclass

   8

       if (!PaintUtilities.equal(this.positivePaint, that.positivePaint))

   9

       return false;

   9

       return false;

   10

       if (!PaintUtilities.equal(this.negativePaint, that.negativePaint))

   11 | return false;

   Preondition Violations
   Unmatched return false;

   11

       return false;

   12

       if (this.shapesVisible != that.shapesVisible)

   13 | return false;

   Preondition Violations
   Unmatched return false;

   13

       return false;

   14

       if (!ShapeUtilities.equal(this.legendLine, that.legendLine))

   15 | return false;

   Preondition Violations
   Unmatched return false;

   15

       return false;

   16

       if (this.roundXCoordinates != that.roundXCoordinates)

   17 | return false;

   Preondition Violations
   Unmatched return false;

   17

       return false;

   10

       return true;

   18

       return true;

   Precondition Violations (7)
   Row | Violation
   --- | ---
   1 | Type boolean of variable obj instanceof ComparableObjectItem does not match with type boolean of variable obj instanceof XYDifferenceRenderer
   2 | Type java.lang.Object of variable this.obj does not match with type java.awt.Paint of variable this.positivePaint
   3 | Type org.jfree.util.ObjectUtilities of variable ObjectUtilities does not match with type org.jfree.util.PaintUtilities of variable PaintUtilities
   4 | Unmatched return false;
   5 | Unmatched return false;
   6 | Unmatched return false;
   7 | Unmatched return false;