100-1-2

if (obj == this) { return true; } if (!(obj instanceof PaintMap)) { return false; } PaintMap that = (PaintMap) obj; if (this.store.size() != that.store.size()) { return false; } Set keys = this.store.keySet(); Iterator iterator = keys.iterator(); while (iterator.hasNext()) { Comparable key = (Comparable) iterator.next(); Paint p1 = getPaint(key); Paint p2 = that.getPaint(key); if (!PaintUtilities.equal(p1, p2)) { return false; } } return true;
if (obj == this) { return true; } if (!(obj instanceof StrokeMap)) { return false; } StrokeMap that = (StrokeMap) obj; if (this.store.size() != that.store.size()) { return false; } Set keys = this.store.keySet(); Iterator iterator = keys.iterator(); while (iterator.hasNext()) { Comparable key = (Comparable) iterator.next(); Stroke s1 = getStroke(key); Stroke s2 = that.getStroke(key); if (!ObjectUtilities.equal(s1, s2)) { return false; } } return true;

Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/PaintMap.java |  | File path: /jfreechart-1.0.10/src/org/jfree/chart/StrokeMap.java
Method name: `boolean equals(Object)` |  | Method name: `boolean equals(Object)`
Number of AST nodes: 16 |  | Number of AST nodes: 16

1

    if (obj == this) {↵

1

    if (obj == this) {↵

2

                return true;↵

2

                return true;↵

3

            }↵

3

            }↵

4

            if (!(obj instanceof PaintMap)) {↵

4

            if (!(obj instanceof StrokeMap)) {↵

5

                return false;↵

5

                return false;↵

6

            }↵

6

            }↵

7

            PaintMap that = (PaintMap) obj;↵

7

            StrokeMap that = (StrokeMap) obj;↵

8

            if (this.store.size() != that.store.size()) {↵

8

            if (this.store.size() != that.store.size()) {↵

9

                return false;↵

9

                return false;↵

10

            }↵

10

            }↵

11

            Set keys = this.store.keySet();↵

11

            Set keys = this.store.keySet();↵

12

            Iterator iterator = keys.iterator();↵

12

            Iterator iterator = keys.iterator();↵

13

            while (iterator.hasNext()) {↵

13

            while (iterator.hasNext()) {↵

14

                Comparable key = (Comparable) iterator.next();↵

14

                Comparable key = (Comparable) iterator.next();↵

15

                Paint p1 = getPaint(key);↵

15

                Stroke s1 = getStroke(key);↵

16

                Paint p2 = that.getPaint(key);↵

16

                Stroke s2 = that.getStroke(key);↵

17

                if (!PaintUtilities.equal(p1, p2)) {↵

17

                if (!ObjectUtilities.equal(s1, s2)) {↵

18

                    return false;↵

18

                    return false;↵

19

                }↵

19

                }↵

20

            }↵

20

            }↵

21

            return true;

21

            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) | 0.6
Clones location | Clones are in different classes
Number of node comparisons | 55

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 13
   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) | 8.2
   Clone type | Type 2

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

   1

       if (obj == this)

   1

       if (obj == this)

   2

       return true;

   2

       return true;

   3

       if (!(obj instanceof PaintMap))

   3 | if (!(obj instanceof PaintMap))
   3 | if (!(obj instanceof StrokeMap))

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   org.jfree.chart.PaintMap | org.jfree.chart.StrokeMap | VARIABLE_TYPE_MISMATCH

   Preondition Violations

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

   3

       if (!(obj instanceof StrokeMap))

   4

       return false;

   4

       return false;

   5

       StrokeMap that = (StrokeMap)obj;

   5

       PaintMap that = (PaintMap)obj;

   6

       if (this.store.size() != that.store.size())

   6 | if (this.store.size() != that.store.size())
   6 | if (this.store.size() != that.store.size())

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   org.jfree.chart.PaintMap | org.jfree.chart.StrokeMap | VARIABLE_TYPE_MISMATCH

   Preondition Violations

   Type org.jfree.chart.PaintMap of variable that does not match with type org.jfree.chart.StrokeMap of variable that
   - Make classes org.jfree.chart.PaintMap and org.jfree.chart.StrokeMap extend a common superclass

   6

       if (this.store.size() != that.store.size())

   7

       return false;

   7

       return false;

   8

       Set keys = this.store.keySet();

   8

       Set keys = this.store.keySet();

   9

       Iterator iterator = keys.iterator();

   9

       Iterator iterator = keys.iterator();

   10

       while (iterator.hasNext())

   10

       while (iterator.hasNext())

   11

       Comparable key = (Comparable)iterator.next();

   11

       Comparable key = (Comparable)iterator.next();

   12 | Stroke s1 = getStroke(key);

   Preondition Violations
   Unmatched statement Stroke s1=getStroke(key); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted

   12

       Stroke s1 = getStroke(key);

   12

       Paint p1 = getPaint(key);

   12 | Paint p1 = getPaint(key);

   Preondition Violations
   Unmatched statement Paint p1=getPaint(key); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted

   13 | Stroke s2 = that.getStroke(key);

   Preondition Violations
   Unmatched statement Stroke s2=that.getStroke(key); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted

   13

       Stroke s2 = that.getStroke(key);

   13

       Paint p2 = that.getPaint(key);

   13 | Paint p2 = that.getPaint(key);

   Preondition Violations
   Unmatched statement Paint p2=that.getPaint(key); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted

   14

       if (!PaintUtilities.equal(p1, p2))

   14 | if (! PaintUtilities.equal(p1, p2))
   14 | if (! ObjectUtilities.equal(s1, s2))

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   p1 | s1 | VARIABLE_NAME_MISMATCH
   java.awt.Paint | java.awt.Stroke | VARIABLE_TYPE_MISMATCH
   org.jfree.util.PaintUtilities | org.jfree.util.ObjectUtilities | VARIABLE_TYPE_MISMATCH

   Preondition Violations

   Type java.awt.Paint of variable p1 does not match with type java.awt.Stroke of variable s1
   - Make classes java.awt.Paint and java.awt.Stroke extend a common superclass

   Type org.jfree.util.PaintUtilities of variable PaintUtilities does not match with type org.jfree.util.ObjectUtilities of variable ObjectUtilities
   - Make classes org.jfree.util.PaintUtilities and org.jfree.util.ObjectUtilities extend a common superclass

   14

       if (!ObjectUtilities.equal(s1, s2))

   15

       return false;

   15

       return false;

   16

       return true;

   16

       return true;

   Precondition Violations (8)
   Row | Violation
   --- | ---
   1 | Type boolean of variable obj instanceof PaintMap does not match with type boolean of variable obj instanceof StrokeMap
   2 | Type org.jfree.chart.PaintMap of variable that does not match with type org.jfree.chart.StrokeMap of variable that
   3 | Unmatched statement Stroke s1=getStroke(key); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
   4 | Unmatched statement Paint p1=getPaint(key); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
   5 | Unmatched statement Stroke s2=that.getStroke(key); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
   6 | Unmatched statement Paint p2=that.getPaint(key); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
   7 | Type java.awt.Paint of variable p1 does not match with type java.awt.Stroke of variable s1
   8 | Type org.jfree.util.PaintUtilities of variable PaintUtilities does not match with type org.jfree.util.ObjectUtilities of variable ObjectUtilities