if (obj == this) { return true; } // now try to reject equality... if (!super.equals(obj)) { return false; } if (!(obj instanceof XYImageAnnotation)) { return false; } XYImageAnnotation that = (XYImageAnnotation) obj; if (this.x != that.x) { return false; } if (this.y != that.y) { return false; } if (!ObjectUtilities.equal(this.image, that.image)) { return false; } if (!this.anchor.equals(that.anchor)) { return false; } // seems to be the same... return true;
if (obj == this) { return true; } if (!(obj instanceof ComparableObjectSeries)) { return false; } if (!super.equals(obj)) { return false; } ComparableObjectSeries that = (ComparableObjectSeries) obj; if (this.maximumItemCount != that.maximumItemCount) { return false; } if (this.autoSort != that.autoSort) { return false; } if (this.allowDuplicateXValues != that.allowDuplicateXValues) { return false; } if (!ObjectUtilities.equal(this.data, that.data)) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/annotations/XYImageAnnotation.java File path: /jfreechart-1.0.10/src/org/jfree/data/ComparableObjectSeries.java
Method name: boolean equals(Object) Method name: boolean equals(Object)
Number of AST nodes: 16 Number of AST nodes: 16
1
if (obj == this) {
1
if (obj == this) {
2
            return true;
2
            return true;
3
        }
3
        }
4
        // now try to reject equality...
4
        
5
        if (!super.equals(obj)) {
5
if (!(obj instanceof ComparableObjectSeries)) {
6
            return false;
6
            return false;
7
        }
7
        }
8
        if (!(obj instanceof XYImageAnnotation)) {
8
        if (!super.equals(obj)) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        XYImageAnnotation that = (XYImageAnnotation) obj;
11
        ComparableObjectSeries that = (ComparableObjectSeries) obj;
12
        if (this.x != that.x) {
12
        if (this.maximumItemCount != that.maximumItemCount) {
13
            return false;
13
            return false;
14
        }
14
        }
15
        if (this.y != that.y) {
15
        if (this.autoSort != that.autoSort) {
16
            return false;
16
            return false;
17
        }
17
        }
18
        if (!ObjectUtilities.equal(this.image, that.image)) {
18
        if (this.allowDuplicateXValues != that.allowDuplicateXValues) {
19
            return false;
19
            return false;
20
        }
20
        }
21
        if (!this.anchor.equals(that.anchor)) {
21
        if (!ObjectUtilities.equal(this.data, that.data)) {
22
            return false;
22
            return false;
23
        }
23
        }
24
        // seems to be the same...
25
        return true;
24
        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)3.1
Clones locationClones are in different classes
Number of node comparisons86
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements12
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment3
    Time elapsed for statement mapping (ms)3.8
    Clone typeType 3
    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 XYImageAnnotation))
    5
    if (!(obj instanceof XYImageAnnotation))
    3
    if (!(obj instanceof ComparableObjectSeries))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.annotations.XYImageAnnotationorg.jfree.data.ComparableObjectSeriesVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.annotations.XYImageAnnotation does not match with type org.jfree.data.ComparableObjectSeries
    • Make classes org.jfree.chart.annotations.XYImageAnnotation and org.jfree.data.ComparableObjectSeries extend a common superclass
    3
    if (!(obj instanceof ComparableObjectSeries))
    6
    return false;
    4
    return false;
                                                                                                                          
    7
    ComparableObjectSeries that = (ComparableObjectSeries)obj;
    7
    XYImageAnnotation that = (XYImageAnnotation)obj;
                                                                                                      
    8
    if (this.x != that.x)
    8
    if (this.x != that.x)
    8
    if (this.maximumItemCount != that.maximumItemCount)
    Differences
    Expression1Expression2Difference
    xmaximumItemCountVARIABLE_NAME_MISMATCH
    doubleintVARIABLE_TYPE_MISMATCH
    org.jfree.chart.annotations.XYImageAnnotationorg.jfree.data.ComparableObjectSeriesVARIABLE_TYPE_MISMATCH
    xmaximumItemCountVARIABLE_NAME_MISMATCH
    doubleintVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type double of variable this.x does not match with type int of variable this.maximumItemCount
    Type double of variable that.x does not match with type int of variable that.maximumItemCount
    • Make classes org.jfree.chart.annotations.XYImageAnnotation and org.jfree.data.ComparableObjectSeries extend a common superclass
    Expression that.x cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.maximumItemCount cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type double of variable that.x does not match with type int of variable that.maximumItemCount
    8
    if (this.maximumItemCount != that.maximumItemCount)
    9
    return false;
    9
    return false;
    10
    if (this.y != that.y)
    10
    if (this.y != that.y)
    10
    if (this.autoSort != that.autoSort)
    Differences
    Expression1Expression2Difference
    yautoSortVARIABLE_NAME_MISMATCH
    doublebooleanVARIABLE_TYPE_MISMATCH
    org.jfree.chart.annotations.XYImageAnnotationorg.jfree.data.ComparableObjectSeriesVARIABLE_TYPE_MISMATCH
    yautoSortVARIABLE_NAME_MISMATCH
    doublebooleanVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type double of variable this.y does not match with type boolean of variable this.autoSort
    Type double of variable that.y does not match with type boolean of variable that.autoSort
    • Make classes org.jfree.chart.annotations.XYImageAnnotation and org.jfree.data.ComparableObjectSeries extend a common superclass
    Expression that.y cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.autoSort cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type double of variable that.y does not match with type boolean of variable that.autoSort
    10
    if (this.autoSort != that.autoSort)
    11
    return false;
    11
    return false;
                                                                                                                                    
    12
    if (this.allowDuplicateXValues != that.allowDuplicateXValues)
                                      
    13
    return false;
    Preondition Violations
    Unmatched return false;
    13
    return false;
    12
    if (!ObjectUtilities.equal(this.image, that.image))
    12
    if (!ObjectUtilities.equal(this.image, that.image))
    14
    if (!ObjectUtilities.equal(this.data, that.data))
    Differences
    Expression1Expression2Difference
    imagedataVARIABLE_NAME_MISMATCH
    java.awt.Imagejava.util.ListVARIABLE_TYPE_MISMATCH
    org.jfree.chart.annotations.XYImageAnnotationorg.jfree.data.ComparableObjectSeriesVARIABLE_TYPE_MISMATCH
    imagedataVARIABLE_NAME_MISMATCH
    java.awt.Imagejava.util.ListVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.awt.Image of variable this.image does not match with type java.util.List of variable this.data
    • Make classes java.awt.Image and java.util.List extend a common superclass
    Type java.awt.Image of variable that.image does not match with type java.util.List of variable that.data
    • Make classes org.jfree.chart.annotations.XYImageAnnotation and org.jfree.data.ComparableObjectSeries extend a common superclass
    Expression that.image cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.data cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type java.awt.Image of variable that.image does not match with type java.util.List of variable that.data
    • Make classes java.awt.Image and java.util.List extend a common superclass
    14
    if (!ObjectUtilities.equal(this.data, that.data))
    13
    return false;
    15
    return false;
    Precondition Violations (21)
    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.annotations.XYImageAnnotation does not match with type org.jfree.data.ComparableObjectSeries
    4Type double of variable this.x does not match with type int of variable this.maximumItemCount
    5Type double of variable that.x does not match with type int of variable that.maximumItemCount
    6Expression that.x cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression that.maximumItemCount cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Type double of variable that.x does not match with type int of variable that.maximumItemCount
    9Type double of variable this.y does not match with type boolean of variable this.autoSort
    10Type double of variable that.y does not match with type boolean of variable that.autoSort
    11Expression that.y cannot be parameterized, because it has dependencies to/from statements that will be extracted
    12Expression that.autoSort cannot be parameterized, because it has dependencies to/from statements that will be extracted
    13Type double of variable that.y does not match with type boolean of variable that.autoSort
    14Unmatched return false;
    15Type java.awt.Image of variable this.image does not match with type java.util.List of variable this.data
    16Type java.awt.Image of variable that.image does not match with type java.util.List of variable that.data
    17Expression that.image cannot be parameterized, because it has dependencies to/from statements that will be extracted
    18Expression that.data cannot be parameterized, because it has dependencies to/from statements that will be extracted
    19Type java.awt.Image of variable that.image does not match with type java.util.List of variable that.data
    20Not all possible execution flows end in a return statement
    21The refactoring of the clones is infeasible, because classes org.jfree.chart.annotations.XYImageAnnotation and org.jfree.data.ComparableObjectSeries do not have a common superclass