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 Vector)) { return false; } Vector that = (Vector) obj; if (this.x != that.x) { return false; } if (this.y != that.y) { 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/xy/Vector.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 Vector)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        Outlier that = (Outlier) obj;
7
        Vector that = (Vector) obj;
8
        if (!this.point.equals(that.point)) {
8
        if (this.x != that.x) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        if (this.radius != that.radius) {
11
        if (this.y != that.y) {
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)0.7
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)1.1
    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 Vector))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.renderer.Outlierorg.jfree.data.xy.VectorVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.renderer.Outlier does not match with type org.jfree.data.xy.Vector
    • Make classes org.jfree.chart.renderer.Outlier and org.jfree.data.xy.Vector extend a common superclass
    3
    if (!(obj instanceof Vector))
    4
    return false;
    4
    return false;
                                                          
    5
    Vector that = (Vector)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.x != that.x)
    Differences
    Expression1Expression2Difference
    radiusxVARIABLE_NAME_MISMATCH
    org.jfree.chart.renderer.Outlierorg.jfree.data.xy.VectorVARIABLE_TYPE_MISMATCH
    radiusxVARIABLE_NAME_MISMATCH
    Preondition Violations
    Type double of variable that.radius does not match with type double of variable that.x
    • Make classes org.jfree.chart.renderer.Outlier and org.jfree.data.xy.Vector extend a common superclass
    Expression that.radius cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.x cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6
    if (this.x != that.x)
    9
    return false;
    7
    return false;
    Precondition Violations (7)
    Row Violation
    1Type org.jfree.chart.renderer.Outlier does not match with type org.jfree.data.xy.Vector
    2Unmatched return false;
    3Type double of variable that.radius does not match with type double of variable that.x
    4Expression that.radius cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression that.x cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Not all possible execution flows end in a return statement
    7The refactoring of the clones is infeasible, because classes org.jfree.chart.renderer.Outlier and org.jfree.data.xy.Vector do not have a common superclass