if (obj == this) { return true; } if (!(obj instanceof Week)) { return false; } Week that = (Week) obj; if (this.week != that.week) { return false; } if (this.year != that.year) { 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/data/time/Week.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 Week)) {
4
        if (!(obj instanceof Vector)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        Week that = (Week) obj;
7
        Vector that = (Vector) obj;
8
        if (this.week != that.week) {
8
        if (this.x != that.x) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        if (this.year != that.year) {
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)1.1
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)1.9
    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 Week))
    3
    if (!(obj instanceof Week))
    3
    if (!(obj instanceof Vector))
    Differences
    Expression1Expression2Difference
    org.jfree.data.time.Weekorg.jfree.data.xy.VectorVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.time.Week does not match with type org.jfree.data.xy.Vector
    • Make classes org.jfree.data.time.Week 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
    Week that = (Week)obj;
                                                  
    6
    if (this.week != that.week)
    6
    if (this.week != that.week)
    6
    if (this.x != that.x)
    Differences
    Expression1Expression2Difference
    weekxVARIABLE_NAME_MISMATCH
    bytedoubleVARIABLE_TYPE_MISMATCH
    org.jfree.data.time.Weekorg.jfree.data.xy.VectorVARIABLE_TYPE_MISMATCH
    weekxVARIABLE_NAME_MISMATCH
    bytedoubleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type byte of variable this.week does not match with type double of variable this.x
    Type byte of variable that.week does not match with type double of variable that.x
    • Make classes org.jfree.data.time.Week and org.jfree.data.xy.Vector extend a common superclass
    Expression that.week 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
    Type byte of variable that.week does not match with type double of variable that.x
    6
    if (this.x != that.x)
    7
    return false;
    7
    return false;
    8
    if (this.year != that.year)
    8
    if (this.year != that.year)
    8
    if (this.y != that.y)
    Differences
    Expression1Expression2Difference
    yearyVARIABLE_NAME_MISMATCH
    shortdoubleVARIABLE_TYPE_MISMATCH
    org.jfree.data.time.Weekorg.jfree.data.xy.VectorVARIABLE_TYPE_MISMATCH
    yearyVARIABLE_NAME_MISMATCH
    shortdoubleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type short of variable this.year does not match with type double of variable this.y
    Type short of variable that.year does not match with type double of variable that.y
    • Make classes org.jfree.data.time.Week and org.jfree.data.xy.Vector extend a common superclass
    Expression that.year cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.y cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type short of variable that.year does not match with type double of variable that.y
    8
    if (this.y != that.y)
    9
    return false;
    9
    return false;
    10
    return true;
    10
    return true;
    Precondition Violations (12)
    Row Violation
    1Type org.jfree.data.time.Week does not match with type org.jfree.data.xy.Vector
    2Type byte of variable this.week does not match with type double of variable this.x
    3Type byte of variable that.week does not match with type double of variable that.x
    4Expression that.week 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
    6Type byte of variable that.week does not match with type double of variable that.x
    7Type short of variable this.year does not match with type double of variable this.y
    8Type short of variable that.year does not match with type double of variable that.y
    9Expression that.year cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Expression that.y cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Type short of variable that.year does not match with type double of variable that.y
    12The refactoring of the clones is infeasible, because classes org.jfree.data.time.Week and org.jfree.data.xy.Vector do not have a common superclass