215-6-10

if (this.equals(CategoryAnchor.START)) { return CategoryAnchor.START; } else if (this.equals(CategoryAnchor.MIDDLE)) { return CategoryAnchor.MIDDLE; } else if (this.equals(CategoryAnchor.END)) { return CategoryAnchor.END; } return null;
if (this.equals(ChartChangeEventType.GENERAL)) { return ChartChangeEventType.GENERAL; } else if (this.equals(ChartChangeEventType.NEW_DATASET)) { return ChartChangeEventType.NEW_DATASET; } else if (this.equals(ChartChangeEventType.DATASET_UPDATED)) { return ChartChangeEventType.DATASET_UPDATED; } return null;

Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/axis/CategoryAnchor.java |  | File path: /jfreechart-1.0.10/src/org/jfree/chart/event/ChartChangeEventType.java
Method name: `Object readResolve()` |  | Method name: `Object readResolve()`
Number of AST nodes: 7 |  | Number of AST nodes: 7

1

    if (this.equals(CategoryAnchor.START)) {↵

1

    if (this.equals(C↵

2

                return CategoryAnchor.START↵

2

    hartChangeEventType.GENERAL)) {↵

3

    ;↵

3

                return ChartChangeEventType.GENERAL;↵

4

            }↵

4

            }↵

5

            else if (this.equals(CategoryAnchor.MIDDLE)) {↵

5

            else if (this.equals(C↵

6

                return CategoryAnchor.MIDDLE↵

6

    hartChangeEventType.NEW_DATASET)) {↵

7

    ;↵

7

                return ChartChangeEventType.NEW_DATASET;↵

8

            }    ↵

8

            }↵

9

            else if (this.equals(CategoryAnchor.END)) {↵

9

            else if (this.equals(C↵

10

                return CategoryAnchor.EN↵

10

    hartChangeEventType.DATASET_UPDATED)) {↵

11

    D;↵

11

                return ChartChangeEventType.DATASET_UPDATED;↵

12

            }    ↵

12

            }↵

13

            return null;

13

            return null;

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) | 0.7
Clones location | Clones are in different classes
Number of node comparisons | 28

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 4
   Number of unmapped statements in the first code fragment | 3
   Number of unmapped statements in the second code fragment | 3
   Time elapsed for statement mapping (ms) | 0.8
   Clone type | Type 2

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

   1

       if (this.equals(CategoryAnchor.START))

   1 | if (this.equals(CategoryAnchor.START))
   1 | if (this.equals(ChartChangeEventType.GENERAL))

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   org.jfree.chart.axis.CategoryAnchor | org.jfree.chart.event.ChartChangeEventType | VARIABLE_TYPE_MISMATCH
   START | GENERAL | VARIABLE_NAME_MISMATCH
   org.jfree.chart.axis.CategoryAnchor | org.jfree.chart.event.ChartChangeEventType | VARIABLE_TYPE_MISMATCH

   Preondition Violations

   Type org.jfree.chart.axis.CategoryAnchor of variable CategoryAnchor does not match with type org.jfree.chart.event.ChartChangeEventType of variable ChartChangeEventType
   - Make classes org.jfree.chart.axis.CategoryAnchor and org.jfree.chart.event.ChartChangeEventType extend a common superclass

   Type org.jfree.chart.axis.CategoryAnchor of variable CategoryAnchor.START does not match with type org.jfree.chart.event.ChartChangeEventType of variable ChartChangeEventType.GENERAL
   - Make classes org.jfree.chart.axis.CategoryAnchor and org.jfree.chart.event.ChartChangeEventType extend a common superclass

   1

       if (this.equals(ChartChangeEventType.GENERAL))

   2 | return ChartChangeEventType.GENERAL;

   Preondition Violations
   Unmatched return ChartChangeEventType.GENERAL;

   2

       return ChartChangeEventType.GENERAL;

   2

       return CategoryAnchor.START;

   2 | return CategoryAnchor.START;

   Preondition Violations
   Unmatched return CategoryAnchor.START;

   3

       else if (this.equals(CategoryAnchor.MIDDLE))

   3 | else if (this.equals(CategoryAnchor.MIDDLE))
   3 | else if (this.equals(ChartChangeEventType.NEW_DATASET))

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   org.jfree.chart.axis.CategoryAnchor | org.jfree.chart.event.ChartChangeEventType | VARIABLE_TYPE_MISMATCH
   MIDDLE | NEW_DATASET | VARIABLE_NAME_MISMATCH
   org.jfree.chart.axis.CategoryAnchor | org.jfree.chart.event.ChartChangeEventType | VARIABLE_TYPE_MISMATCH

   Preondition Violations

   Type org.jfree.chart.axis.CategoryAnchor of variable CategoryAnchor does not match with type org.jfree.chart.event.ChartChangeEventType of variable ChartChangeEventType
   - Make classes org.jfree.chart.axis.CategoryAnchor and org.jfree.chart.event.ChartChangeEventType extend a common superclass

   Type org.jfree.chart.axis.CategoryAnchor of variable CategoryAnchor.MIDDLE does not match with type org.jfree.chart.event.ChartChangeEventType of variable ChartChangeEventType.NEW_DATASET
   - Make classes org.jfree.chart.axis.CategoryAnchor and org.jfree.chart.event.ChartChangeEventType extend a common superclass

   3

       else if (this.equals(ChartChangeEventType.NEW_DATASET))

   4 | return ChartChangeEventType.NEW_DATASET;

   Preondition Violations
   Unmatched return ChartChangeEventType.NEW_DATASET;

   4

       return ChartChangeEventType.NEW_DATASET;

   4

       return CategoryAnchor.MIDDLE;

   4 | return CategoryAnchor.MIDDLE;

   Preondition Violations
   Unmatched return CategoryAnchor.MIDDLE;

   5

       else if (this.equals(CategoryAnchor.END))

   5 | else if (this.equals(CategoryAnchor.END))
   5 | else if (this.equals(ChartChangeEventType.DATASET_UPDATED))

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   org.jfree.chart.axis.CategoryAnchor | org.jfree.chart.event.ChartChangeEventType | VARIABLE_TYPE_MISMATCH
   END | DATASET_UPDATED | VARIABLE_NAME_MISMATCH
   org.jfree.chart.axis.CategoryAnchor | org.jfree.chart.event.ChartChangeEventType | VARIABLE_TYPE_MISMATCH

   Preondition Violations

   Type org.jfree.chart.axis.CategoryAnchor of variable CategoryAnchor does not match with type org.jfree.chart.event.ChartChangeEventType of variable ChartChangeEventType
   - Make classes org.jfree.chart.axis.CategoryAnchor and org.jfree.chart.event.ChartChangeEventType extend a common superclass

   Type org.jfree.chart.axis.CategoryAnchor of variable CategoryAnchor.END does not match with type org.jfree.chart.event.ChartChangeEventType of variable ChartChangeEventType.DATASET_UPDATED
   - Make classes org.jfree.chart.axis.CategoryAnchor and org.jfree.chart.event.ChartChangeEventType extend a common superclass

   5

       else if (this.equals(ChartChangeEventType.DATASET_UPDATED))

   6 | return ChartChangeEventType.DATASET_UPDATED;

   Preondition Violations
   Unmatched return ChartChangeEventType.DATASET_UPDATED;

   6

       return ChartChangeEventType.DATASET_UPDATED;

   6

       return CategoryAnchor.END;

   6 | return CategoryAnchor.END;

   Preondition Violations
   Unmatched return CategoryAnchor.END;

   7

       return null;

   7

       return null;

   Precondition Violations (12)
   Row | Violation
   --- | ---
   1 | Type org.jfree.chart.axis.CategoryAnchor of variable CategoryAnchor does not match with type org.jfree.chart.event.ChartChangeEventType of variable ChartChangeEventType
   2 | Type org.jfree.chart.axis.CategoryAnchor of variable CategoryAnchor.START does not match with type org.jfree.chart.event.ChartChangeEventType of variable ChartChangeEventType.GENERAL
   3 | Unmatched return ChartChangeEventType.GENERAL;
   4 | Unmatched return CategoryAnchor.START;
   5 | Type org.jfree.chart.axis.CategoryAnchor of variable CategoryAnchor does not match with type org.jfree.chart.event.ChartChangeEventType of variable ChartChangeEventType
   6 | Type org.jfree.chart.axis.CategoryAnchor of variable CategoryAnchor.MIDDLE does not match with type org.jfree.chart.event.ChartChangeEventType of variable ChartChangeEventType.NEW_DATASET
   7 | Unmatched return ChartChangeEventType.NEW_DATASET;
   8 | Unmatched return CategoryAnchor.MIDDLE;
   9 | Type org.jfree.chart.axis.CategoryAnchor of variable CategoryAnchor does not match with type org.jfree.chart.event.ChartChangeEventType of variable ChartChangeEventType
   10 | Type org.jfree.chart.axis.CategoryAnchor of variable CategoryAnchor.END does not match with type org.jfree.chart.event.ChartChangeEventType of variable ChartChangeEventType.DATASET_UPDATED
   11 | Unmatched return ChartChangeEventType.DATASET_UPDATED;
   12 | Unmatched return CategoryAnchor.END;