if (obj == this) { return true; } if (!(obj instanceof ArrowNeedle)) { return false; } if (!super.equals(obj)) { return false; } ArrowNeedle that = (ArrowNeedle) obj; if (this.isArrowAtTop != that.isArrowAtTop) { return false; } return true;
if (obj == this) { return true; } if (!(obj instanceof Outlier)) { return false; } Outlier that = (Outlier) obj; if (!this.point.equals(that.point)) { return false; } if (this.radius != that.radius) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/needle/ArrowNeedle.java File path: /jfreechart-1.0.10/src/org/jfree/chart/renderer/Outlier.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 ArrowNeedle)) {
4
        if (!(obj instanceof Outlier)) {
5
            return false; 
5
            return false;
6
        }
6
        }
7
        if (!super.equals(obj
7
        Outlier that = (Outlier) obj;
8
)) {
8
        if (!this.point.equals(that.point)) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        ArrowNeedle that = (ArrowNeedle) obj;
11
        
12
        if (this.isArrowAtTop != that.isArrowAtTop) {
12
if (this.radius != that.radius) {
13
            return false;
13
            return false;
14
        }
14
        }
15
        return true;
15
        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)0.8
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)1.4
    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 ArrowNeedle))
    3
    if (!(obj instanceof ArrowNeedle))
    3
    if (!(obj instanceof Outlier))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.needle.ArrowNeedleorg.jfree.chart.renderer.OutlierVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.ArrowNeedle does not match with type org.jfree.chart.renderer.Outlier
    • Make classes org.jfree.chart.needle.ArrowNeedle and org.jfree.chart.renderer.Outlier extend a common superclass
    3
    if (!(obj instanceof Outlier))
    4
    return false;
    4
    return false;
                                                              
    5
    Outlier that = (Outlier)obj;
    5
    if (!super.equals(obj))
    5
    if (!super.equals(obj))
    6
    if (!this.point.equals(that.point))
    Differences
    Expression1Expression2Difference
    super.equals(obj)this.point.equals(that.point)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression this.point.equals(that.point) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Super method call if(!super.equals(obj)) cannot be extracted from method
    6
    if (!this.point.equals(that.point))
    6
    return false;
    7
    return false;
    7
    ArrowNeedle that = (ArrowNeedle)obj;
                                                                              
    8
    if (this.isArrowAtTop != that.isArrowAtTop)
    8
    if (this.isArrowAtTop != that.isArrowAtTop)
    8
    if (this.radius != that.radius)
    Differences
    Expression1Expression2Difference
    isArrowAtTopradiusVARIABLE_NAME_MISMATCH
    booleandoubleVARIABLE_TYPE_MISMATCH
    org.jfree.chart.needle.ArrowNeedleorg.jfree.chart.renderer.OutlierVARIABLE_TYPE_MISMATCH
    isArrowAtTopradiusVARIABLE_NAME_MISMATCH
    booleandoubleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type boolean of variable this.isArrowAtTop does not match with type double of variable this.radius
    Type boolean of variable that.isArrowAtTop does not match with type double of variable that.radius
    • Make classes org.jfree.chart.needle.ArrowNeedle and org.jfree.chart.renderer.Outlier extend a common superclass
    Expression that.isArrowAtTop cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.radius cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type boolean of variable that.isArrowAtTop does not match with type double of variable that.radius
    8
    if (this.radius != that.radius)
    9
    return false;
    9
    return false;
    10
    return true;
    10
    return true;
    Precondition Violations (9)
    Row Violation
    1Type org.jfree.chart.needle.ArrowNeedle does not match with type org.jfree.chart.renderer.Outlier
    2Expression this.point.equals(that.point) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Super method call if(!super.equals(obj)) cannot be extracted from method
    4Type boolean of variable this.isArrowAtTop does not match with type double of variable this.radius
    5Type boolean of variable that.isArrowAtTop does not match with type double of variable that.radius
    6Expression that.isArrowAtTop cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression that.radius cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Type boolean of variable that.isArrowAtTop does not match with type double of variable that.radius
    9The refactoring of the clones is infeasible, because classes org.jfree.chart.needle.ArrowNeedle and org.jfree.chart.renderer.Outlier do not have a common superclass