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 XYBarDataset)) { return false; } XYBarDataset that = (XYBarDataset) obj; if (!this.underlying.equals(that.underlying)) { return false; } if (this.barWidth != that.barWidth) { 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/XYBarDataset.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 XYBarDataset)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        Week that = (Week) obj;
7
        XYBarDataset that = (XYBarDataset) obj;
8
        if (this.week != that.week) {
8
        if (!this.underlying.equals(that.underlying)) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        if (this.year != that.year) {
11
        if (this.barWidth != that.barWidth) {
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)1.8
Clones locationClones are in different classes
Number of node comparisons29
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements6
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment3
    Time elapsed for statement mapping (ms)2.1
    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 Week))
    3
    if (!(obj instanceof Week))
    3
    if (!(obj instanceof XYBarDataset))
    Differences
    Expression1Expression2Difference
    org.jfree.data.time.Weekorg.jfree.data.xy.XYBarDatasetVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.time.Week does not match with type org.jfree.data.xy.XYBarDataset
    • Make classes org.jfree.data.time.Week and org.jfree.data.xy.XYBarDataset extend a common superclass
    3
    if (!(obj instanceof XYBarDataset))
    4
    return false;
    4
    return false;
                                                                                  
    5
    XYBarDataset that = (XYBarDataset)obj;
    5
    Week that = (Week)obj;
                                                  
                                                                                                  
    6
    if (!this.underlying.equals(that.underlying))
                                    
    7
    return false;
    Preondition Violations
    Unmatched return false;
    7
    return false;
    6
    if (this.week != that.week)
    6
    if (this.week != that.week)
    8
    if (this.barWidth != that.barWidth)
    Differences
    Expression1Expression2Difference
    weekbarWidthVARIABLE_NAME_MISMATCH
    bytedoubleVARIABLE_TYPE_MISMATCH
    org.jfree.data.time.Weekorg.jfree.data.xy.XYBarDatasetVARIABLE_TYPE_MISMATCH
    weekbarWidthVARIABLE_NAME_MISMATCH
    bytedoubleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type byte of variable this.week does not match with type double of variable this.barWidth
    Type byte of variable that.week does not match with type double of variable that.barWidth
    • Make classes org.jfree.data.time.Week and org.jfree.data.xy.XYBarDataset extend a common superclass
    Expression that.week cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.barWidth 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.barWidth
    8
    if (this.barWidth != that.barWidth)
    7
    return false;
    9
    return false;
    Precondition Violations (9)
    Row Violation
    1Type org.jfree.data.time.Week does not match with type org.jfree.data.xy.XYBarDataset
    2Unmatched return false;
    3Type byte of variable this.week does not match with type double of variable this.barWidth
    4Type byte of variable that.week does not match with type double of variable that.barWidth
    5Expression that.week cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression that.barWidth cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Type byte of variable that.week does not match with type double of variable that.barWidth
    8Not all possible execution flows end in a return statement
    9The refactoring of the clones is infeasible, because classes org.jfree.data.time.Week and org.jfree.data.xy.XYBarDataset do not have a common superclass