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;
if (obj == this) { return true; } if (!(obj instanceof XYCoordinate)) { return false; } XYCoordinate that = (XYCoordinate) 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/data/xy/Vector.java File path: /jfreechart-1.0.10/src/org/jfree/data/xy/XYCoordinate.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 Vector)) {
4
        if (!(obj instanceof XYCoordinate)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        Vector that = (Vector) obj;
7
        XYCoordinate that = (XYCoordinate) obj;
8
        if (this.x != that.x) {
8
        if (this.x != that.x) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        if (this.y != that.y) {
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)1.3
Clones locationClones are in different classes
Number of node comparisons35
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements9
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)1.5
    Clone typeType 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 Vector))
    3
    if (!(obj instanceof Vector))
    3
    if (!(obj instanceof XYCoordinate))
    Differences
    Expression1Expression2Difference
    org.jfree.data.xy.Vectororg.jfree.data.xy.XYCoordinateVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.xy.Vector does not match with type org.jfree.data.xy.XYCoordinate
    • Make classes org.jfree.data.xy.Vector and org.jfree.data.xy.XYCoordinate extend a common superclass
    3
    if (!(obj instanceof XYCoordinate))
    4
    return false;
    4
    return false;
                                                                                  
    5
    XYCoordinate that = (XYCoordinate)obj;
    5
    Vector that = (Vector)obj;
                                                          
    6
    if (this.x != that.x)
    6
    if (this.x != that.x)
    6
    if (this.x != that.x)
    Differences
    Expression1Expression2Difference
    org.jfree.data.xy.Vectororg.jfree.data.xy.XYCoordinateVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type double of variable that.x does not match with type double of variable that.x
    • Make classes org.jfree.data.xy.Vector and org.jfree.data.xy.XYCoordinate extend a common superclass
    6
    if (this.x != that.x)
    7
    return false;
    7
    return false;
    8
    if (this.y != that.y)
    8
    if (this.y != that.y)
    8
    if (this.y != that.y)
    Differences
    Expression1Expression2Difference
    org.jfree.data.xy.Vectororg.jfree.data.xy.XYCoordinateVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type double of variable that.y does not match with type double of variable that.y
    • Make classes org.jfree.data.xy.Vector and org.jfree.data.xy.XYCoordinate extend a common superclass
    8
    if (this.y != that.y)
    9
    return false;
    9
    return false;
    10
    return true;
    10
    return true;
    Precondition Violations (3)
    Row Violation
    1Type org.jfree.data.xy.Vector does not match with type org.jfree.data.xy.XYCoordinate
    2Type double of variable that.x does not match with type double of variable that.x
    3Type double of variable that.y does not match with type double of variable that.y