43-113-136

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 PlumNeedle)) { return false; } if (!super.equals(obj)) { 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/needle/PlumNeedle.java
Method name: `boolean equals(Object)` |  | Method name: `boolean equals(Object)`
Number of AST nodes: 8 |  | Number of AST nodes: 7

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 PlumNeedle)) {↵

5

                return false;   ↵

5

                return false;   ↵

6

            }↵

6

            }↵

7

            DefaultStatisticalCategoryDataset that ↵

7

            ↵

8

                    = (DefaultStatisticalCategoryDataset) obj;↵

9

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

8

    if (!super.equals(obj)) {↵

10

                return false;   ↵

9

                return false;↵

11

            }↵

10

            }↵

12

            return true;

11

            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) | 0.3
Clones location | Clones are in different classes
Number of node comparisons | 29

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 | 0
   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 PlumNeedle))

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   org.jfree.data.statistics.DefaultStatisticalCategoryDataset | org.jfree.chart.needle.PlumNeedle | VARIABLE_TYPE_MISMATCH

   Preondition Violations

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

   3

       if (!(obj instanceof PlumNeedle))

   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;

   8

       return true;

   7

       return true;

   Precondition Violations (1)
   Row | Violation
   --- | ---
   1 | Type boolean of variable obj instanceof DefaultStatisticalCategoryDataset does not match with type boolean of variable obj instanceof PlumNeedle