43-15-154

if (obj == this) { return true; } if (!(obj instanceof DateAxis)) { return false; } DateAxis that = (DateAxis) obj; if (!ObjectUtilities.equal(this.tickUnit, that.tickUnit)) { return false; } if (!ObjectUtilities.equal(this.dateFormatOverride, that.dateFormatOverride)) { return false; } if (!ObjectUtilities.equal(this.tickMarkPosition, that.tickMarkPosition)) { return false; } if (!ObjectUtilities.equal(this.timeline, that.timeline)) { 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/axis/DateAxis.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: 16 |  | 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 DateAxis)) {↵

4

            ↵

5

                return false;↵

6

            }↵

7

            DateAxis that = (DateAxis) obj;↵

8

            if (!ObjectUtilities.equal(this.tickUnit, that.tickUnit↵

5

    // now try to reject equality...↵

6

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

7

                return false;↵

8

            }↵

9

    )) {↵

9

            if (!(obj instanceof XYImageAnnotation)) {↵

10

                return false;↵

10

                return false;↵

11

            }↵

11

            }↵

12

            if (!ObjectUtilities.equal(this.dateFormatOverride,↵

12

            ↵

13

                    that.dateFormatOverride)) {↵

14

                return false;↵

15

            }↵

16

            if (!ObjectUtilities.equal(this.tickMarkPosition,↵

17

                    that.tickMarkPosition)↵

13

    XYImageAnnotation that = (XYImageAnnotation) obj;↵

14

            if (this.x != that.x) {↵

15

                return false;↵

16

            }↵

18

    ) {↵

17

            if (this.y != that.y) {↵

19

                return false;↵

18

                return false;↵

20

            }↵

19

            }↵

21

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

20

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

22

                return false;↵

21

                return false;↵

23

            }↵

22

            }↵

24

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

23

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

25

                return false;↵

24

                return false;↵

26

            }↵

25

            }↵

26

            // seems to be the same...↵

27

            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) | 2.1
Clones location | Clones are in different classes
Number of node comparisons | 95

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 10
   Number of unmapped statements in the first code fragment | 5
   Number of unmapped statements in the second code fragment | 5
   Time elapsed for statement mapping (ms) | 1.2
   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 DateAxis))

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

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   org.jfree.chart.axis.DateAxis | org.jfree.chart.annotations.XYImageAnnotation | VARIABLE_TYPE_MISMATCH

   Preondition Violations

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

   5

       if (!(obj instanceof XYImageAnnotation))

   4

       return false;

   4 | return false;
   6 | return false;

   Preondition Violations
   Conditional return false;
   Conditional return false;

   6

       return false;

   5

       DateAxis that = (DateAxis)obj;

   6

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

   6 | if (! ObjectUtilities.equal(this.tickUnit, that.tickUnit))
   3 | if (! super.equals(obj))

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

   3

       if (!super.equals(obj))

   7

       return false;

   7 | return false;
   4 | return false;

   Preondition Violations
   Conditional return false;
   Conditional 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;

   8

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

   8 | if (! ObjectUtilities.equal(this.dateFormatOverride, that.dateFormatOverride))
   12 | if (! ObjectUtilities.equal(this.image, that.image))

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   dateFormatOverride | image | VARIABLE_NAME_MISMATCH
   java.text.DateFormat | java.awt.Image | VARIABLE_TYPE_MISMATCH

   Preondition Violations

   Type java.text.DateFormat of variable this.dateFormatOverride does not match with type java.awt.Image of variable this.image
   - Make classes java.text.DateFormat and java.awt.Image extend a common superclass

   12

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

   9

       return false;

   9 | return false;
   13 | return false;

   Preondition Violations
   Conditional return false;
   Conditional return false;

   13

       return false;

   10

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

   11

       return false;

   11 | return false;

   Preondition Violations
   Unmatched return false;

   12

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

   13

       return false;

   13 | return false;

   Preondition Violations
   Unmatched return false;

   14

       if (!super.equals(obj))

   14 | if (! super.equals(obj))
   14 | if (! this.anchor.equals(that.anchor))

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

   14

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

   15

       return false;

   15 | return false;
   15 | return false;

   Preondition Violations
   Conditional return false;
   Conditional return false;

   15

       return false;

   Precondition Violations (16)
   Row | Violation
   --- | ---
   1 | Type boolean of variable obj instanceof DateAxis does not match with type boolean of variable obj instanceof XYImageAnnotation
   2 | Unmatched return false;
   3 | Unmatched return false;
   4 | Type java.text.DateFormat of variable this.dateFormatOverride does not match with type java.awt.Image of variable this.image
   5 | Unmatched return false;
   6 | Unmatched return false;
   7 | Conditional return true;
   8 | Conditional return true;
   9 | Conditional return false;
   10 | Conditional return false;
   11 | Conditional return false;
   12 | Conditional return false;
   13 | Conditional return false;
   14 | Conditional return false;
   15 | Conditional return false;
   16 | Conditional return false;