if (obj == this) { return true; } if (!(obj instanceof Outlier)) { return false; } Outlier that = (Outlier) obj; if (!this.point.equals(that.point)) { return false; } if (this.radius != that.radius) { return false; } return true;
if (obj == this) { return true; } if (!(obj instanceof Minute)) { return false; } Minute that = (Minute) obj; if (this.minute != that.minute) { return false; } if (this.hour != that.hour) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/renderer/Outlier.java File path: /jfreechart-1.0.10/src/org/jfree/data/time/Minute.java
Method name: boolean equals(Object) Method name: boolean equals(Object)
Number of AST nodes: 10 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 Outlier)) {
4
        if (!(obj instanceof Minute)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        Outlier that = (Outlier) obj;
7
        Minute that = (Minute) obj;
8
        if (!this.point.equals(that.point)) {
8
        if (this.minute != that.minute) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        if (this.radius != that.radius) {
11
        if (this.hour != that.hour) {
12
            return false;
12
            return false;
13
        }
13
        }
14
        return true;
14
        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)0.9
Clones locationClones are in different classes
Number of node comparisons26
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements6
    Number of unmapped statements in the first code fragment3
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)1.4
    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 (!(obj instanceof Outlier))
    3
    if (!(obj instanceof Outlier))
    3
    if (!(obj instanceof Minute))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.renderer.Outlierorg.jfree.data.time.MinuteVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.renderer.Outlier does not match with type org.jfree.data.time.Minute
    • Make classes org.jfree.chart.renderer.Outlier and org.jfree.data.time.Minute extend a common superclass
    3
    if (!(obj instanceof Minute))
    4
    return false;
    4
    return false;
                                                          
    5
    Minute that = (Minute)obj;
    5
    Outlier that = (Outlier)obj;
                                                              
    6
    if (!this.point.equals(that.point))
                                                                              
    7
    return false;
    7
    return false;
    Preondition Violations
    Unmatched return false;
                                    
    8
    if (this.radius != that.radius)
    8
    if (this.radius != that.radius)
    6
    if (this.minute != that.minute)
    Differences
    Expression1Expression2Difference
    radiusminuteVARIABLE_NAME_MISMATCH
    doublebyteVARIABLE_TYPE_MISMATCH
    org.jfree.chart.renderer.Outlierorg.jfree.data.time.MinuteVARIABLE_TYPE_MISMATCH
    radiusminuteVARIABLE_NAME_MISMATCH
    doublebyteVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type double of variable this.radius does not match with type byte of variable this.minute
    Type double of variable that.radius does not match with type byte of variable that.minute
    • Make classes org.jfree.chart.renderer.Outlier and org.jfree.data.time.Minute extend a common superclass
    Expression that.radius 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.radius does not match with type byte of variable that.minute
    6
    if (this.minute != that.minute)
    9
    return false;
    7
    return false;
    Precondition Violations (9)
    Row Violation
    1Type org.jfree.chart.renderer.Outlier does not match with type org.jfree.data.time.Minute
    2Unmatched return false;
    3Type double of variable this.radius does not match with type byte of variable this.minute
    4Type double of variable that.radius does not match with type byte of variable that.minute
    5Expression that.radius cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression that.minute cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Type double of variable that.radius does not match with type byte of variable that.minute
    8Not all possible execution flows end in a return statement
    9The refactoring of the clones is infeasible, because classes org.jfree.chart.renderer.Outlier and org.jfree.data.time.Minute do not have a common superclass