43-136-154

if (obj == this) { return true; } if (!(obj instanceof PlumNeedle)) { return false; } if (!super.equals(obj)) { return false; } return true;
if (obj == this) { return true; } // now try to reject equality... if (!super.equals(obj)) { return false; } if (!(obj instanceof XYImageAnnotation)) { return false; } XYImageAnnotation that = (XYImageAnnotation) obj; if (this.x != that.x) { return false; } if (this.y != that.y) { return false; } if (!ObjectUtilities.equal(this.image, that.image)) { return false; } if (!this.anchor.equals(that.anchor)) { return false; } // seems to be the same... return true;

Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/needle/PlumNeedle.java |  | File path: /jfreechart-1.0.10/src/org/jfree/chart/annotations/XYImageAnnotation.java
Method name: `boolean equals(Object)` |  | Method name: `boolean equals(Object)`
Number of AST nodes: 7 |  | Number of AST nodes: 16

1

    if (obj == this) {↵

1

    if (obj == this) {↵

2

                return true;↵

2

                return true;↵

3

            }↵

3

            }↵

4

            if (!(obj instanceof PlumNeedle)) {↵

4

            ↵

5

                return false;   ↵

6

            }↵

7

            if (!super.equals(obj↵

5

    // now try to reject equality...↵

6

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

7

                return false;↵

8

            }↵

9

            if (!(obj instanceof XYImageAnnotation)) {↵

10

                return false;↵

11

            }↵

12

            XYImageAnnotation that = (XYImageAnnotation) obj;↵

13

            if (this.x != that.x) {↵

14

                return false;↵

15

            }↵

16

            if (this.y != that.y) {↵

17

                return false;↵

18

            }↵

19

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

20

                return false;↵

21

            }↵

8

    )) {↵

22

            if (!this.anchor.equals(that.anchor)) {↵

9

                return false;↵

23

                return false;↵

10

            }↵

24

            }↵

25

            // seems to be the same...↵

11

            return true;

26

            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) | 1.2
Clones location | Clones are in different classes
Number of node comparisons | 41

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 7
   Number of unmapped statements in the first code fragment | 0
   Number of unmapped statements in the second code fragment | 9
   Time elapsed for statement mapping (ms) | 0.6
   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 PlumNeedle))

   3 | if (!(obj instanceof PlumNeedle))
   5 | if (!(obj instanceof XYImageAnnotation))

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   org.jfree.chart.needle.PlumNeedle | org.jfree.chart.annotations.XYImageAnnotation | VARIABLE_TYPE_MISMATCH

   Preondition Violations

   Type boolean of variable obj instanceof PlumNeedle does not match with type boolean of variable obj instanceof XYImageAnnotation
   - Make classes org.jfree.chart.needle.PlumNeedle and org.jfree.chart.annotations.XYImageAnnotation extend a common superclass

   5

       if (!(obj instanceof XYImageAnnotation))

   4

       return false;

   6

       return false;

   5

       if (!super.equals(obj))

   3

       if (!super.equals(obj))

   6

       return false;

   4

       return false;

   7

       XYImageAnnotation that = (XYImageAnnotation)obj;

   8

       if (this.x != that.x)

   9 | return false;

   Preondition Violations
   Unmatched return false;

   9

       return false;

   10

       if (this.y != that.y)

   11 | return false;

   Preondition Violations
   Unmatched return false;

   11

       return false;

   12

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

   13 | return false;

   Preondition Violations
   Unmatched return false;

   13

       return false;

   14

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

   15 | return false;

   Preondition Violations
   Unmatched return false;

   15

       return false;

   7

       return true;

   16

       return true;

   Precondition Violations (5)
   Row | Violation
   --- | ---
   1 | Type boolean of variable obj instanceof PlumNeedle does not match with type boolean of variable obj instanceof XYImageAnnotation
   2 | Unmatched return false;
   3 | Unmatched return false;
   4 | Unmatched return false;
   5 | Unmatched return false;