43-111-115

if (obj == this) { return true; } if (!(obj instanceof LegendItemCollection)) { return false; } LegendItemCollection that = (LegendItemCollection) obj; if (!this.items.equals(that.items)) { return false; } return true;
if (obj == this) { return true; } if (!(obj instanceof BlockContainer)) { return false; } if (!super.equals(obj)) { return false; } BlockContainer that = (BlockContainer) obj; if (!this.arrangement.equals(that.arrangement)) { return false; } if (!this.blocks.equals(that.blocks)) { return false; } return true;

Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/LegendItemCollection.java |  | File path: /jfreechart-1.0.10/src/org/jfree/chart/block/BlockContainer.java
Method name: `boolean equals(Object)` |  | Method name: `boolean equals(Object)`
Number of AST nodes: 8 |  | Number of AST nodes: 12

1

    if (obj == this) {↵

1

    if (obj == this) {↵

2

                return true;↵

2

                return true;   ↵

3

            }↵

3

            }↵

4

            if (!(obj instanceof LegendItemCollection)) {↵

4

            if (!(obj instanceof BlockContainer)) {↵

5

                return false;↵

5

                return false;   ↵

6

            }↵

6

            }↵

7

            LegendItemCollection that = (LegendItemCollection↵

7

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

8

                return false;   ↵

9

            }↵

8

    ) obj;↵

10

            BlockContainer that = (BlockContainer) obj;↵

9

            if (!this.items.equals(that.item↵

11

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

12

                return false;   ↵

13

            }↵

10

    s)) {↵

14

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

11

                return false;↵

15

                return false;   ↵

12

            }↵

16

            }↵

13

            return true;

17

            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) | 0.9
Clones location | Clones are in different classes
Number of node comparisons | 37

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 | 5
   Time elapsed for statement mapping (ms) | 2.3
   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 LegendItemCollection))

   3 | if (!(obj instanceof LegendItemCollection))
   3 | if (!(obj instanceof BlockContainer))

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   org.jfree.chart.LegendItemCollection | org.jfree.chart.block.BlockContainer | VARIABLE_TYPE_MISMATCH

   Preondition Violations

   Type boolean of variable obj instanceof LegendItemCollection does not match with type boolean of variable obj instanceof BlockContainer
   - Make classes org.jfree.chart.LegendItemCollection and org.jfree.chart.block.BlockContainer extend a common superclass

   3

       if (!(obj instanceof BlockContainer))

   4

       return false;

   4

       return false;

   5

       LegendItemCollection that = (LegendItemCollection)obj;

   6

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

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

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

   5

       if (!super.equals(obj))

   7

       return false;

   6

       return false;

   7

       BlockContainer that = (BlockContainer)obj;

   8

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

   9 | return false;

   Preondition Violations
   Unmatched return false;

   9

       return false;

   10

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

   11 | return false;

   Preondition Violations
   Unmatched return false;

   11

       return false;

   8

       return true;

   12

       return true;

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