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 ArrowNeedle)) { return false; } if (!super.equals(obj)) { return false; } ArrowNeedle that = (ArrowNeedle) obj; if (this.isArrowAtTop != that.isArrowAtTop) { 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/needle/ArrowNeedle.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 ArrowNeedle)) {
5
            return false;
5
            return false; 
6
        }
6
        }
7
        if (!(obj instanceof XYAnnotationEntity)) {
7
        if (!super.equals(obj)) {
8
            return false;
8
            return false;
9
        }
9
        }
10
        XYAnnotationEntity that = (XYAnnotationEntity) obj;
10
        ArrowNeedle that = (ArrowNeedle) obj;
11
        if (this.rendererIndex != that.rendererIndex) {
11
        if (this.isArrowAtTop != that.isArrowAtTop) {
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)1.0
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)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))
    5
    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
    5
    if (!super.equals(obj))
    4
    return false;
    6
    return false;
    5
    if (!(obj instanceof XYAnnotationEntity))
    5
    if (!(obj instanceof XYAnnotationEntity))
    3
    if (!(obj instanceof ArrowNeedle))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.entity.XYAnnotationEntityorg.jfree.chart.needle.ArrowNeedleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.entity.XYAnnotationEntity does not match with type org.jfree.chart.needle.ArrowNeedle
    • Make classes org.jfree.chart.entity.XYAnnotationEntity and org.jfree.chart.needle.ArrowNeedle extend a common superclass
    3
    if (!(obj instanceof ArrowNeedle))
    6
    return false;
    4
    return false;
                                                                              
    7
    ArrowNeedle that = (ArrowNeedle)obj;
    7
    XYAnnotationEntity that = (XYAnnotationEntity)obj;
                                                                                                          
    8
    if (this.rendererIndex != that.rendererIndex)
    8
    if (this.rendererIndex != that.rendererIndex)
    8
    if (this.isArrowAtTop != that.isArrowAtTop)
    Differences
    Expression1Expression2Difference
    rendererIndexisArrowAtTopVARIABLE_NAME_MISMATCH
    intbooleanVARIABLE_TYPE_MISMATCH
    org.jfree.chart.entity.XYAnnotationEntityorg.jfree.chart.needle.ArrowNeedleVARIABLE_TYPE_MISMATCH
    rendererIndexisArrowAtTopVARIABLE_NAME_MISMATCH
    intbooleanVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type int of variable this.rendererIndex does not match with type boolean of variable this.isArrowAtTop
    Type int of variable that.rendererIndex does not match with type boolean of variable that.isArrowAtTop
    • Make classes org.jfree.chart.entity.XYAnnotationEntity and org.jfree.chart.needle.ArrowNeedle extend a common superclass
    Expression that.rendererIndex cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.isArrowAtTop 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 boolean of variable that.isArrowAtTop
    8
    if (this.isArrowAtTop != that.isArrowAtTop)
    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.needle.ArrowNeedle
    4Type int of variable this.rendererIndex does not match with type boolean of variable this.isArrowAtTop
    5Type int of variable that.rendererIndex does not match with type boolean of variable that.isArrowAtTop
    6Expression that.rendererIndex cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression that.isArrowAtTop 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 boolean of variable that.isArrowAtTop
    9The refactoring of the clones is infeasible, because classes org.jfree.chart.entity.XYAnnotationEntity and org.jfree.chart.needle.ArrowNeedle do not have a common superclass