342-2-10

if (obj == this) { return true; } if (!(obj instanceof DateTickUnit)) { return false; } if (!super.equals(obj)) { return false; } DateTickUnit that = (DateTickUnit) obj; if (this.unit != that.unit) { return false; } if (this.count != that.count) { return false; } if (!ObjectUtilities.equal(this.formatter, that.formatter)) { return false; } return true;
if (obj == this) { return true; } if (!(obj instanceof XYErrorRenderer)) { return false; } XYErrorRenderer that = (XYErrorRenderer) obj; if (this.drawXError != that.drawXError) { return false; } if (this.drawYError != that.drawYError) { return false; } if (this.capLength != that.capLength) { return false; } if (!PaintUtilities.equal(this.errorPaint, that.errorPaint)) { return false; } return super.equals(obj);

Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/axis/DateTickUnit.java |  | File path: /jfreechart-1.0.10/src/org/jfree/chart/renderer/xy/XYErrorRenderer.java
Method name: `boolean equals(Object)` |  | Method name: `boolean equals(Object)`
Number of AST nodes: 14 |  | Number of AST nodes: 14

1

    if (obj == this) {↵

1

    if (obj == this) {↵

2

                return true;↵

2

                return true;↵

3

            }↵

3

            }↵

4

            if (!(obj instanceof DateTickUnit)) {↵

4

            if (!(obj instanceof XYErrorRenderer)) {↵

5

                return false;↵

5

                return false;↵

6

            }↵

6

            }↵

7

            if (!super.equals(obj)) {↵

7

            ↵

8

                return false;↵

9

            }↵

10

            DateTickUnit that = (DateTickUnit) obj;↵

11

            if (this.unit != that.unit↵

8

    XYErrorRenderer that = (XYErrorRenderer) obj;↵

9

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

10

                return false;↵

11

            }↵

12

    ) {↵

12

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

13

                return false;↵

13

                return false;↵

14

            }↵

14

            }↵

15

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

15

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

16

                return false;↵

16

                return false;↵

17

            }↵

17

            }↵

18

            if (!ObjectUtilities.equal(this.formatter, that.formatter)) {↵

18

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

19

                return false;↵

19

                return false;↵

20

            }↵

20

            }↵

21

            return true;

21

            return super.equals(obj);

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) | 1.6
Clones location | Clones are in different classes
Number of node comparisons | 54

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 6
   Number of unmapped statements in the first code fragment | 0
   Number of unmapped statements in the second code fragment | 7
   Time elapsed for statement mapping (ms) | 0.8
   Clone type | Type 3

   Mapped Statements
   ID | Statement |  | ID | Statement
   --- | --- | --- | --- | ---

   1

       if (obj == this)

   1

       if (obj == this)

   2

       return true;

   2 | return true;
   2 | return true;

   Preondition Violations
   Conditional return true;
   Conditional return true;

   2

       return true;

   3

       if (!(obj instanceof DateTickUnit))

   3 | if (!(obj instanceof DateTickUnit))
   3 | if (!(obj instanceof XYErrorRenderer))

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   org.jfree.chart.axis.DateTickUnit | org.jfree.chart.renderer.xy.XYErrorRenderer | VARIABLE_TYPE_MISMATCH

   Preondition Violations

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

   3

       if (!(obj instanceof XYErrorRenderer))

   4

       return false;

   4 | return false;
   4 | return false;

   Preondition Violations
   Conditional return false;
   Conditional return false;

   4

       return false;

   5

       XYErrorRenderer that = (XYErrorRenderer)obj;

   6

       if (this.drawXError != that.drawXError)

   7 | return false;

   Preondition Violations
   Unmatched return false;

   7

       return false;

   8

       if (this.drawYError != that.drawYError)

   9 | return false;

   Preondition Violations
   Unmatched return false;

   9

       return false;

   10

       if (this.capLength != that.capLength)

   11 | return false;

   Preondition Violations
   Unmatched return false;

   11

       return false;

   5

       if (!super.equals(obj))

   5 | if (! super.equals(obj))
   12 | if (! PaintUtilities.equal(this.errorPaint, that.errorPaint))

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   super.equals(obj) | PaintUtilities.equal(this.errorPaint,that.errorPaint) | TYPE_COMPATIBLE_REPLACEMENT

   12

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

   6

       return false;

   6 | return false;
   13 | return false;

   Preondition Violations
   Conditional return false;
   Conditional return false;

   13

       return false;

   Precondition Violations (10)
   Row | Violation
   --- | ---
   1 | Type boolean of variable obj instanceof DateTickUnit does not match with type boolean of variable obj instanceof XYErrorRenderer
   2 | Unmatched return false;
   3 | Unmatched return false;
   4 | Unmatched return false;
   5 | Conditional return true;
   6 | Conditional return true;
   7 | Conditional return false;
   8 | Conditional return false;
   9 | Conditional return false;
   10 | Conditional return false;