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 (!(obj instanceof Hour)) { return false; } Hour that = (Hour) obj; if (this.hour != that.hour) { return false; } if (!this.day.equals(that.day)) { 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/data/time/Hour.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 (!(obj instanceof Hour)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        if (!(obj instanceof XYAnnotationEntity)) {
7
        
8
            return false;
9
        }
10
        XYAnnotationEntity that = (XYAnnotationEntity) obj;
8
Hour that = (Hour) obj;
9
        if (this.hour != that.hour) {
10
            return false;
11
        }
11
        if (this.rendererIndex != that.rendererIndex) {
12
        if (!this.day.equals(that.day)) {
12
            return false;   
13
            return false;
13
        }
14
        }
14
        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)1.0
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)6.3
    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 (!(obj instanceof Hour))
    Differences
    Expression1Expression2Difference
    super.equals(obj)(obj instanceof Hour)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Super method call if(!super.equals(obj)) cannot be extracted from method
    3
    if (!(obj instanceof Hour))
    4
    return false;
    4
    return false;
                                                  
    5
    Hour that = (Hour)obj;
    5
    if (!(obj instanceof XYAnnotationEntity))
    5
    if (!(obj instanceof XYAnnotationEntity))
    8
    if (!this.day.equals(that.day))
    Differences
    Expression1Expression2Difference
    (obj instanceof XYAnnotationEntity)this.day.equals(that.day)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression this.day.equals(that.day) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8
    if (!this.day.equals(that.day))
    6
    return false;
    9
    return false;
    7
    XYAnnotationEntity that = (XYAnnotationEntity)obj;
                                                                                                          
    8
    if (this.rendererIndex != that.rendererIndex)
    8
    if (this.rendererIndex != that.rendererIndex)
    6
    if (this.hour != that.hour)
    Differences
    Expression1Expression2Difference
    rendererIndexhourVARIABLE_NAME_MISMATCH
    intbyteVARIABLE_TYPE_MISMATCH
    org.jfree.chart.entity.XYAnnotationEntityorg.jfree.data.time.HourVARIABLE_TYPE_MISMATCH
    rendererIndexhourVARIABLE_NAME_MISMATCH
    intbyteVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type int of variable this.rendererIndex does not match with type byte of variable this.hour
    Type int of variable that.rendererIndex does not match with type byte of variable that.hour
    • Make classes org.jfree.chart.entity.XYAnnotationEntity and org.jfree.data.time.Hour extend a common superclass
    Expression that.rendererIndex cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.hour 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 byte of variable that.hour
    6
    if (this.hour != that.hour)
    9
    return false;
    7
    return false;
    10
    return true;
    10
    return true;
    Precondition Violations (8)
    Row Violation
    1Super method call if(!super.equals(obj)) cannot be extracted from method
    2Expression this.day.equals(that.day) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Type int of variable this.rendererIndex does not match with type byte of variable this.hour
    4Type int of variable that.rendererIndex does not match with type byte of variable that.hour
    5Expression that.rendererIndex cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression that.hour cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Type int of variable that.rendererIndex does not match with type byte of variable that.hour
    8The refactoring of the clones is infeasible, because classes org.jfree.chart.entity.XYAnnotationEntity and org.jfree.data.time.Hour do not have a common superclass