43-104-115

if (obj == this) { return true; } if (!(obj instanceof TimePeriod)) { return false; } TimePeriod that = (TimePeriod) obj; if (!this.getStart().equals(that.getStart())) { return false; } if (!this.getEnd().equals(that.getEnd())) { 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/data/time/SimpleTimePeriod.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: 10 |  | 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 TimePeriod↵

4

            if (!(obj instanceof BlockContainer)) {↵

5

                return false;   ↵

6

            }↵

5

    )) {↵

7

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

6

                return false;↵

8

                return false;   ↵

7

            }↵

9

            }↵

8

            TimePeriod that = (TimePeriod) obj;↵

10

            BlockContainer that = (BlockContainer) obj;↵

9

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

11

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

10

                return false;↵

12

                return false;   ↵

11

            }↵

13

            }↵

12

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

14

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

13

                return false;↵

15

                return false;   ↵

14

            }↵

16

            }↵

15

            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 | 38

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 6
   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) | 48.2
   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 TimePeriod))

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

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   org.jfree.data.time.TimePeriod | org.jfree.chart.block.BlockContainer | VARIABLE_TYPE_MISMATCH

   Preondition Violations

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

   3

       if (!(obj instanceof BlockContainer))

   4

       return false;

   4 | return false;
   4 | return false;

   Preondition Violations
   Conditional return false;
   Conditional return false;

   4

       return false;

   5

       TimePeriod that = (TimePeriod)obj;

   6

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

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

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

   5

       if (!super.equals(obj))

   7

       return false;

   7 | return false;
   6 | return false;

   Preondition Violations
   Conditional return false;
   Conditional return false;

   6

       return false;

   Precondition Violations (7)
   Row | Violation
   --- | ---
   1 | Type boolean of variable obj instanceof TimePeriod does not match with type boolean of variable obj instanceof BlockContainer
   2 | Conditional return true;
   3 | Conditional return true;
   4 | Conditional return false;
   5 | Conditional return false;
   6 | Conditional return false;
   7 | Conditional return false;