if (obj == this) { return true; } if (!(obj instanceof GrayPaintScale)) { return false; } GrayPaintScale that = (GrayPaintScale) obj; if (this.lowerBound != that.lowerBound) { return false; } if (this.upperBound != that.upperBound) { return false; } return true;
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;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/renderer/GrayPaintScale.java File path: /jfreechart-1.0.10/src/org/jfree/data/time/Week.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 GrayPaintScale)) {
4
        if (!(obj instanceof Week)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        GrayPaintScale that = (GrayPaintScale) obj;
7
        Week that = (Week) obj;
8
        if (this.lowerBound != that.lowerBound) {
8
        if (this.week != that.week) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        if (this.upperBound != that.upperBound) {
11
        if (this.year != that.year) {
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)1.2
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)2.1
    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 GrayPaintScale))
    3
    if (!(obj instanceof GrayPaintScale))
    3
    if (!(obj instanceof Week))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.renderer.GrayPaintScaleorg.jfree.data.time.WeekVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.renderer.GrayPaintScale does not match with type org.jfree.data.time.Week
    • Make classes org.jfree.chart.renderer.GrayPaintScale and org.jfree.data.time.Week extend a common superclass
    3
    if (!(obj instanceof Week))
    4
    return false;
    4
    return false;
                                                  
    5
    Week that = (Week)obj;
    5
    GrayPaintScale that = (GrayPaintScale)obj;
                                                                                          
    6
    if (this.lowerBound != that.lowerBound)
    6
    if (this.lowerBound != that.lowerBound)
    6
    if (this.week != that.week)
    Differences
    Expression1Expression2Difference
    lowerBoundweekVARIABLE_NAME_MISMATCH
    doublebyteVARIABLE_TYPE_MISMATCH
    org.jfree.chart.renderer.GrayPaintScaleorg.jfree.data.time.WeekVARIABLE_TYPE_MISMATCH
    lowerBoundweekVARIABLE_NAME_MISMATCH
    doublebyteVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type double of variable this.lowerBound does not match with type byte of variable this.week
    Type double of variable that.lowerBound does not match with type byte of variable that.week
    • Make classes org.jfree.chart.renderer.GrayPaintScale and org.jfree.data.time.Week extend a common superclass
    Expression that.lowerBound cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.week cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type double of variable that.lowerBound does not match with type byte of variable that.week
    6
    if (this.week != that.week)
    7
    return false;
    7
    return false;
    8
    if (this.upperBound != that.upperBound)
    8
    if (this.upperBound != that.upperBound)
    8
    if (this.year != that.year)
    Differences
    Expression1Expression2Difference
    upperBoundyearVARIABLE_NAME_MISMATCH
    doubleshortVARIABLE_TYPE_MISMATCH
    org.jfree.chart.renderer.GrayPaintScaleorg.jfree.data.time.WeekVARIABLE_TYPE_MISMATCH
    upperBoundyearVARIABLE_NAME_MISMATCH
    doubleshortVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type double of variable this.upperBound does not match with type short of variable this.year
    Type double of variable that.upperBound does not match with type short of variable that.year
    • Make classes org.jfree.chart.renderer.GrayPaintScale and org.jfree.data.time.Week extend a common superclass
    Expression that.upperBound cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.year cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type double of variable that.upperBound does not match with type short of variable that.year
    8
    if (this.year != that.year)
    9
    return false;
    9
    return false;
    10
    return true;
    10
    return true;
    Precondition Violations (12)
    Row Violation
    1Type org.jfree.chart.renderer.GrayPaintScale does not match with type org.jfree.data.time.Week
    2Type double of variable this.lowerBound does not match with type byte of variable this.week
    3Type double of variable that.lowerBound does not match with type byte of variable that.week
    4Expression that.lowerBound cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression that.week cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Type double of variable that.lowerBound does not match with type byte of variable that.week
    7Type double of variable this.upperBound does not match with type short of variable this.year
    8Type double of variable that.upperBound does not match with type short of variable that.year
    9Expression that.upperBound cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Expression that.year cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Type double of variable that.upperBound does not match with type short of variable that.year
    12The refactoring of the clones is infeasible, because classes org.jfree.chart.renderer.GrayPaintScale and org.jfree.data.time.Week do not have a common superclass