43-24-91

if (obj == this) { return true; } if (!(obj instanceof Second)) { return false; } Second that = (Second) obj; if (this.second != that.second) { return false; } if (this.minute != that.minute) { return false; } if (this.hour != that.hour) { return false; } if (!this.day.equals(that.day)) { return false; } return true;
if (obj == this) { return true; } if (!(obj instanceof Hour)) { return false; } Hour that = (Hour) obj; if (this.hour != that.hour) { return false; } if (!this.day.equals(that.day)) { return false; } return true;

Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/data/time/Second.java |  | File path: /jfreechart-1.0.10/src/org/jfree/data/time/Hour.java
Method name: `boolean equals(Object)` |  | Method name: `boolean equals(Object)`
Number of AST nodes: 14 |  | Number of AST nodes: 10

1

    if (obj == this) {↵

1

    if (obj == this) {↵

2

                return true;↵

2

                return true;↵

3

            }↵

3

            }↵

4

            if (!(obj instanceof Second)) {↵

4

            if (!(obj instanceof Hour)) {↵

5

                return false;↵

5

                return false;↵

6

            }↵

6

            }↵

7

            Second that = (Second) obj;↵

7

            Hour that = (↵

8

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

9

                return false;↵

10

            }↵

11

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

12

                return false;↵

13

            }↵

8

    Hour) obj;↵

14

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

9

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

15

                return false;↵

10

                return false;↵

16

            }↵

11

            }↵

17

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

12

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

18

                return false;↵

13

                return false;↵

19

            }↵

14

            }↵

20

            return true;

15

            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 having the same super class
Number of node comparisons | 58

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 10
   Number of unmapped statements in the first code fragment | 4
   Number of unmapped statements in the second code fragment | 0
   Time elapsed for statement mapping (ms) | 1.0
   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 Second))

   3 | if (!(obj instanceof Second))
   3 | if (!(obj instanceof Hour))

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   org.jfree.data.time.Second | org.jfree.data.time.Hour | SUBCLASS_TYPE_MISMATCH

   3

       if (!(obj instanceof Hour))

   4

       return false;

   4

       return false;

   5

       Second that = (Second)obj;

   5 | Second that = (Second)obj;
   5 | Hour that = (Hour)obj;

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   org.jfree.data.time.Second | org.jfree.data.time.Hour | SUBCLASS_TYPE_MISMATCH
   org.jfree.data.time.Second | org.jfree.data.time.Hour | SUBCLASS_TYPE_MISMATCH
   org.jfree.data.time.Second | org.jfree.data.time.Hour | SUBCLASS_TYPE_MISMATCH

   5

       Hour that = (Hour)obj;

   6

       if (this.second != that.second)

   6 | if (this.second != that.second)
   6 | if (this.hour != that.hour)

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   second | hour | VARIABLE_NAME_MISMATCH
   org.jfree.data.time.Second | org.jfree.data.time.Hour | SUBCLASS_TYPE_MISMATCH
   second | hour | VARIABLE_NAME_MISMATCH

   Preondition Violations
   Expression that.second cannot be parameterized, because it has dependencies to/from statements that will be extracted
   Expression that.hour cannot be parameterized, because it has dependencies to/from statements that will be extracted

   6

       if (this.hour != that.hour)

   7

       return false;

   7

       return false;

   8

       if (this.minute != that.minute)

   9

       return false;

   9 | return false;

   Preondition Violations
   Unmatched return false;

   10

       if (this.hour != that.hour)

   11

       return false;

   11 | return false;

   Preondition Violations
   Unmatched return false;

   12

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

   12 | if (! this.day.equals(that.day))
   8 | if (! this.day.equals(that.day))

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   org.jfree.data.time.Second | org.jfree.data.time.Hour | SUBCLASS_TYPE_MISMATCH

   8

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

   13

       return false;

   9

       return false;

   14

       return true;

   10

       return true;

   Precondition Violations (5)
   Row | Violation
   --- | ---
   1 | Expression that.second cannot be parameterized, because it has dependencies to/from statements that will be extracted
   2 | Expression that.hour cannot be parameterized, because it has dependencies to/from statements that will be extracted
   3 | Unmatched return false;
   4 | Unmatched return false;
   5 | Clone fragment #1 returns variables that , while Clone fragment #2 returns variables