43-113-146

if (obj == this) { return true; } if (!(obj instanceof DefaultStatisticalCategoryDataset)) { return false; } DefaultStatisticalCategoryDataset that = (DefaultStatisticalCategoryDataset) obj; if (!this.data.equals(that.data)) { return false; } return true;
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;

Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/data/statistics/DefaultStatisticalCategoryDataset.java |  | File path: /jfreechart-1.0.10/src/org/jfree/chart/axis/DateTickUnit.java
Method name: `boolean equals(Object)` |  | Method name: `boolean equals(Object)`
Number of AST nodes: 8 |  | 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 DefaultStatisticalCategoryDataset↵

4

            if (!(obj instanceof DateTickUnit)) {↵

5

                return false;↵

6

            }↵

5

    )) {↵

7

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

6

                return false;   ↵

8

                return false;↵

7

            }↵

9

            }↵

8

            DefaultStatisticalCategoryDataset that ↵

10

            D↵

9

                    = (DefaultStatisticalCategoryDataset) obj;↵

10

            if (!this.data↵

11

    ateTickUnit that = (DateTickUnit) obj;↵

12

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

13

                return false;↵

14

            }↵

15

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

16

                return false;↵

17

            }↵

11

    .equals(that.data)) {↵

18

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

12

                return false;   ↵

19

                return false;↵

13

            }↵

20

            }↵

14

            return true;

21

            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) | 0.6
Clones location | Clones are in different classes
Number of node comparisons | 40

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 7
   Number of unmapped statements in the first code fragment | 1
   Number of unmapped statements in the second code fragment | 7
   Time elapsed for statement mapping (ms) | 3.5
   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 DefaultStatisticalCategoryDataset))

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

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   org.jfree.data.statistics.DefaultStatisticalCategoryDataset | org.jfree.chart.axis.DateTickUnit | VARIABLE_TYPE_MISMATCH

   Preondition Violations

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

   3

       if (!(obj instanceof DateTickUnit))

   4

       return false;

   4

       return false;

   5

       DefaultStatisticalCategoryDataset that = (DefaultStatisticalCategoryDataset)obj;

   6

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

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

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

   5

       if (!super.equals(obj))

   7

       return false;

   6

       return false;

   7

       DateTickUnit that = (DateTickUnit)obj;

   8

       if (this.unit != that.unit)

   9 | return false;

   Preondition Violations
   Unmatched return false;

   9

       return false;

   10

       if (this.count != that.count)

   11 | return false;

   Preondition Violations
   Unmatched return false;

   11

       return false;

   12

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

   13 | return false;

   Preondition Violations
   Unmatched return false;

   13

       return false;

   8

       return true;

   14

       return true;

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