if (obj == this) { return true; } // now try to reject equality... if (!super.equals(obj)) { return false; } if (!(obj instanceof XYImageAnnotation)) { return false; } XYImageAnnotation that = (XYImageAnnotation) obj; if (this.x != that.x) { return false; } if (this.y != that.y) { return false; } if (!ObjectUtilities.equal(this.image, that.image)) { return false; } if (!this.anchor.equals(that.anchor)) { return false; } // seems to be the same... return true;
if (obj == this) { return true; } if (!(obj instanceof Millisecond)) { return false; } Millisecond that = (Millisecond) obj; if (this.millisecond != that.millisecond) { return false; } 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;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/annotations/XYImageAnnotation.java File path: /jfreechart-1.0.10/src/org/jfree/data/time/Millisecond.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
        // now try to reject equality...
4
        
5
        if (!super.equals(obj)) {
6
            return false;
7
        }
8
        if (!(obj instanceof XYImageAnnotati
5
if (!(obj instanceof Millisecond)) {
6
            return false;
7
        }
8
        Millisecond that = (Millisecond) obj;
9
on)) {
9
        if (this.millisecond != that.millisecond) {
10
            return false;
10
            return false;
11
        }
11
        }
12
        XYImageAnnotation that = (XYImageAnnotation) obj;
13
        if (this.x != that.x) {
12
        if (this.second != that.second) {
14
            return false;
13
            return false;
15
        }
14
        }
16
        if (this.y != that.y) {
15
        if (this.minute != that.minute) {
17
            return false;
16
            return false;
18
        }
17
        }
19
        if (!ObjectUtilities.equal(this.image, that.image)) {
18
        if (this.hour != that.hour) {
20
            return false;
19
            return false;
21
        }
20
        }
22
        if (!this.anchor.equals(that.anchor)) {
21
        if (!this.day.equals(that.day)) {
23
            return false;
22
            return false;
24
        }
23
        }
25
        // seems to be the same...
26
        return true;
24
        return true;
Summary
Number of common nesting structure subtrees1
Number of refactorable cases0
Number of non-refactorable cases1
Time elapsed for finding largest common nesting structure subtrees (ms)3.4
Clones locationClones are in different classes
Number of node comparisons83
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements10
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment5
    Time elapsed for statement mapping (ms)9.4
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    if (obj == this)
    1
    if (obj == this)
    2
    return true;
    2
    return true;
    3
    if (!super.equals(obj))
    3
    if (!super.equals(obj))
    3
    if (!(obj instanceof Millisecond))
    Differences
    Expression1Expression2Difference
    super.equals(obj)(obj instanceof Millisecond)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Super method call if(!super.equals(obj)) cannot be extracted from method
    3
    if (!(obj instanceof Millisecond))
    4
    return false;
    4
    return false;
                                                                              
    5
    Millisecond that = (Millisecond)obj;
                                                                                          
    6
    if (this.millisecond != that.millisecond)
                                    
    7
    return false;
    Preondition Violations
    Unmatched return false;
    7
    return false;
                                                                
    12
    if (this.hour != that.hour)
                                      
    13
    return false;
    Preondition Violations
    Unmatched return false;
    13
    return false;
    5
    if (!(obj instanceof XYImageAnnotation))
    5
    if (!(obj instanceof XYImageAnnotation))
    14
    if (!this.day.equals(that.day))
    Differences
    Expression1Expression2Difference
    (obj instanceof XYImageAnnotation)this.day.equals(that.day)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression this.day.equals(that.day) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    14
    if (!this.day.equals(that.day))
    6
    return false;
    15
    return false;
    7
    XYImageAnnotation that = (XYImageAnnotation)obj;
                                                                                                      
    8
    if (this.x != that.x)
    8
    if (this.x != that.x)
    8
    if (this.second != that.second)
    Differences
    Expression1Expression2Difference
    xsecondVARIABLE_NAME_MISMATCH
    doublebyteVARIABLE_TYPE_MISMATCH
    org.jfree.chart.annotations.XYImageAnnotationorg.jfree.data.time.MillisecondVARIABLE_TYPE_MISMATCH
    xsecondVARIABLE_NAME_MISMATCH
    doublebyteVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type double of variable this.x does not match with type byte of variable this.second
    Type double of variable that.x does not match with type byte of variable that.second
    • Make classes org.jfree.chart.annotations.XYImageAnnotation and org.jfree.data.time.Millisecond extend a common superclass
    Expression that.x cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.second cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type double of variable that.x does not match with type byte of variable that.second
    8
    if (this.second != that.second)
    9
    return false;
    9
    return false;
    10
    if (this.y != that.y)
    10
    if (this.y != that.y)
    10
    if (this.minute != that.minute)
    Differences
    Expression1Expression2Difference
    yminuteVARIABLE_NAME_MISMATCH
    doublebyteVARIABLE_TYPE_MISMATCH
    org.jfree.chart.annotations.XYImageAnnotationorg.jfree.data.time.MillisecondVARIABLE_TYPE_MISMATCH
    yminuteVARIABLE_NAME_MISMATCH
    doublebyteVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type double of variable this.y does not match with type byte of variable this.minute
    Type double of variable that.y does not match with type byte of variable that.minute
    • Make classes org.jfree.chart.annotations.XYImageAnnotation and org.jfree.data.time.Millisecond extend a common superclass
    Expression that.y cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.minute cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type double of variable that.y does not match with type byte of variable that.minute
    10
    if (this.minute != that.minute)
    11
    return false;
    11
    return false;
    Precondition Violations (16)
    Row Violation
    1Super method call if(!super.equals(obj)) cannot be extracted from method
    2Unmatched return false;
    3Unmatched return false;
    4Expression this.day.equals(that.day) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Type double of variable this.x does not match with type byte of variable this.second
    6Type double of variable that.x does not match with type byte of variable that.second
    7Expression that.x cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Expression that.second cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9Type double of variable that.x does not match with type byte of variable that.second
    10Type double of variable this.y does not match with type byte of variable this.minute
    11Type double of variable that.y does not match with type byte of variable that.minute
    12Expression that.y cannot be parameterized, because it has dependencies to/from statements that will be extracted
    13Expression that.minute cannot be parameterized, because it has dependencies to/from statements that will be extracted
    14Type double of variable that.y does not match with type byte of variable that.minute
    15Not all possible execution flows end in a return statement
    16The refactoring of the clones is infeasible, because classes org.jfree.chart.annotations.XYImageAnnotation and org.jfree.data.time.Millisecond do not have a common superclass