if (obj == this) { return true; } if (!super.equals(obj)) { return false; } if (!(obj instanceof XYAnnotationEntity)) { return false; } XYAnnotationEntity that = (XYAnnotationEntity) obj; if (this.rendererIndex != that.rendererIndex) { return false; } return true;
if (obj == this) { return true; } if (!super.equals(obj)) { return false; } if (!(obj instanceof ValueMarker)) { return false; } ValueMarker that = (ValueMarker) obj; if (this.value != that.value) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/entity/XYAnnotationEntity.java File path: /jfreechart-1.0.10/src/org/jfree/chart/plot/ValueMarker.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 (!super.equals(obj)) {
4
        if (!super.equals(obj)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        if (!(obj instanceof XYAnnotationEntity)) {
7
        if (!(obj instanceof ValueMarker)) {
8
            return false;
8
            return false;
9
        }
9
        }
10
        XYAnnotationEntity that = (XYAnnotationEntity) obj;
10
        
11
        if (this.rendererIndex != that.rendererIndex
11
ValueMarker that = (ValueMarker) obj;
12
) {
12
        if (this.value != that.value) {
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)1.5
    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 (!super.equals(obj))
    3
    if (!super.equals(obj))
    3
    if (!super.equals(obj))
    Preondition Violations
    Super method call if(!super.equals(obj)) cannot be extracted from method
    Super method call if(!super.equals(obj)) cannot be extracted from method
    3
    if (!super.equals(obj))
    4
    return false;
    4
    return false;
    5
    if (!(obj instanceof XYAnnotationEntity))
    5
    if (!(obj instanceof XYAnnotationEntity))
    5
    if (!(obj instanceof ValueMarker))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.entity.XYAnnotationEntityorg.jfree.chart.plot.ValueMarkerVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.entity.XYAnnotationEntity does not match with type org.jfree.chart.plot.ValueMarker
    • Make classes org.jfree.chart.entity.XYAnnotationEntity and org.jfree.chart.plot.ValueMarker extend a common superclass
    5
    if (!(obj instanceof ValueMarker))
    6
    return false;
    6
    return false;
                                                                              
    7
    ValueMarker that = (ValueMarker)obj;
    7
    XYAnnotationEntity that = (XYAnnotationEntity)obj;
                                                                                                          
    8
    if (this.rendererIndex != that.rendererIndex)
    8
    if (this.rendererIndex != that.rendererIndex)
    8
    if (this.value != that.value)
    Differences
    Expression1Expression2Difference
    rendererIndexvalueVARIABLE_NAME_MISMATCH
    intdoubleVARIABLE_TYPE_MISMATCH
    org.jfree.chart.entity.XYAnnotationEntityorg.jfree.chart.plot.ValueMarkerVARIABLE_TYPE_MISMATCH
    rendererIndexvalueVARIABLE_NAME_MISMATCH
    intdoubleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type int of variable this.rendererIndex does not match with type double of variable this.value
    Type int of variable that.rendererIndex does not match with type double of variable that.value
    • Make classes org.jfree.chart.entity.XYAnnotationEntity and org.jfree.chart.plot.ValueMarker extend a common superclass
    Expression that.rendererIndex cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.value cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type int of variable that.rendererIndex does not match with type double of variable that.value
    8
    if (this.value != that.value)
    9
    return false;
    9
    return false;
    10
    return true;
    10
    return true;
    Precondition Violations (9)
    Row Violation
    1Super method call if(!super.equals(obj)) cannot be extracted from method
    2Super method call if(!super.equals(obj)) cannot be extracted from method
    3Type org.jfree.chart.entity.XYAnnotationEntity does not match with type org.jfree.chart.plot.ValueMarker
    4Type int of variable this.rendererIndex does not match with type double of variable this.value
    5Type int of variable that.rendererIndex does not match with type double of variable that.value
    6Expression that.rendererIndex cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression that.value cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Type int of variable that.rendererIndex does not match with type double of variable that.value
    9The refactoring of the clones is infeasible, because classes org.jfree.chart.entity.XYAnnotationEntity and org.jfree.chart.plot.ValueMarker do not have a common superclass