if (obj == this) { return true; } if (obj instanceof XYItemEntity && super.equals(obj)) { XYItemEntity ie = (XYItemEntity) obj; if (this.series != ie.series) { return false; } if (this.item != ie.item) { return false; } return true; } return false;
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/entity/XYItemEntity.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 XYItemEntity && super.equals(obj)) {
4
        if (!(obj instanceof Vector)) {
5
            return false;
5
        
6
        }
6
    XYItemEntity ie = (XYItemEntity) obj;
7
        Vector that = (Vector) obj;
7
            if (this.series != ie.series) {
8
        if (this.x != that.x) {
8
                return false;   
9
            return false;
9
   
10
         }
10
        }
11
            if (this.item != ie.item) {
11
        if (this.y != that.y) {
12
                return false;   
12
            return false;
13
    
14
        }
13
        }
15
            return true;
14
        return true;
16
        }
17
        return false;
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 comparisons18
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements4
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)1.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    4
    XYItemEntity ie = (XYItemEntity)obj;
                                                                              
                                                          
    5
    Vector that = (Vector)obj;
    5
    if (this.series != ie.series)
    5
    if (this.series != ie.series)
    6
    if (this.x != that.x)
    Differences
    Expression1Expression2Difference
    seriesxVARIABLE_NAME_MISMATCH
    intdoubleVARIABLE_TYPE_MISMATCH
    iethatVARIABLE_NAME_MISMATCH
    org.jfree.chart.entity.XYItemEntityorg.jfree.data.xy.VectorVARIABLE_TYPE_MISMATCH
    seriesxVARIABLE_NAME_MISMATCH
    intdoubleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type int of variable this.series does not match with type double of variable this.x
    Expression ie.series 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 int of variable ie.series does not match with type double of variable that.x
    • Make classes org.jfree.chart.entity.XYItemEntity and org.jfree.data.xy.Vector extend a common superclass
    Expression ie.series 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 int of variable ie.series does not match with type double of variable that.x
    6
    if (this.x != that.x)
    6
    return false;
    7
    return false;
    7
    if (this.item != ie.item)
    7
    if (this.item != ie.item)
    8
    if (this.y != that.y)
    Differences
    Expression1Expression2Difference
    itemyVARIABLE_NAME_MISMATCH
    intdoubleVARIABLE_TYPE_MISMATCH
    iethatVARIABLE_NAME_MISMATCH
    org.jfree.chart.entity.XYItemEntityorg.jfree.data.xy.VectorVARIABLE_TYPE_MISMATCH
    itemyVARIABLE_NAME_MISMATCH
    intdoubleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type int of variable this.item does not match with type double of variable this.y
    Expression ie.item 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 int of variable ie.item does not match with type double of variable that.y
    • Make classes org.jfree.chart.entity.XYItemEntity and org.jfree.data.xy.Vector extend a common superclass
    Expression ie.item 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 int of variable ie.item does not match with type double of variable that.y
    8
    if (this.y != that.y)
    8
    return false;
    9
    return false;
    Precondition Violations (15)
    Row Violation
    1Type int of variable this.series does not match with type double of variable this.x
    2Expression ie.series cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression that.x cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Type int of variable ie.series does not match with type double of variable that.x
    5Expression ie.series cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression that.x cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Type int of variable ie.series does not match with type double of variable that.x
    8Type int of variable this.item does not match with type double of variable this.y
    9Expression ie.item 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 int of variable ie.item does not match with type double of variable that.y
    12Expression ie.item cannot be parameterized, because it has dependencies to/from statements that will be extracted
    13Expression that.y cannot be parameterized, because it has dependencies to/from statements that will be extracted
    14Type int of variable ie.item does not match with type double of variable that.y
    15Not all possible execution flows end in a return statement