if (obj == this) { return true; } if (!(obj instanceof AbstractXYAnnotation)) { return false; } AbstractXYAnnotation that = (AbstractXYAnnotation) obj; if (!ObjectUtilities.equal(this.toolTipText, that.toolTipText)) { return false; } if (!ObjectUtilities.equal(this.url, that.url)) { return false; } return true;
if (obj == this) { return true; } if (!(obj instanceof HistogramDataset)) { return false; } HistogramDataset that = (HistogramDataset) obj; if (!ObjectUtilities.equal(this.type, that.type)) { return false; } if (!ObjectUtilities.equal(this.list, that.list)) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/annotations/AbstractXYAnnotation.java File path: /jfreechart-1.0.10/src/org/jfree/data/statistics/HistogramDataset.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 AbstractXYAnnotation)) {
4
        if (!(obj instanceof HistogramDataset)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        AbstractXYAnnotation that = (AbstractXYAnnotation) obj;
7
        HistogramDataset that = (HistogramDataset) obj;
8
        if (!ObjectUtilities.equal(this.toolTipText, that.toolTipText)) {
8
        if (!ObjectUtilities.equal(this.type, that.type)) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        if (!ObjectUtilities.equal(this.url, that.url)) {
11
        if (!ObjectUtilities.equal(this.list, that.list)) {
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)1.9
Clones locationClones are in different classes
Number of node comparisons41
  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)2.2
    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 AbstractXYAnnotation))
    3
    if (!(obj instanceof AbstractXYAnnotation))
    3
    if (!(obj instanceof HistogramDataset))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.annotations.AbstractXYAnnotationorg.jfree.data.statistics.HistogramDatasetVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.annotations.AbstractXYAnnotation does not match with type org.jfree.data.statistics.HistogramDataset
    • Make classes org.jfree.chart.annotations.AbstractXYAnnotation and org.jfree.data.statistics.HistogramDataset extend a common superclass
    3
    if (!(obj instanceof HistogramDataset))
    4
    return false;
    4
    return false;
                                                                                                  
    5
    HistogramDataset that = (HistogramDataset)obj;
    5
    AbstractXYAnnotation that = (AbstractXYAnnotation)obj;
                                                                                                                  
    6
    if (!ObjectUtilities.equal(this.toolTipText, that.toolTipText))
    6
    if (!ObjectUtilities.equal(this.toolTipText, that.toolTipText))
    6
    if (!ObjectUtilities.equal(this.type, that.type))
    Differences
    Expression1Expression2Difference
    toolTipTexttypeVARIABLE_NAME_MISMATCH
    java.lang.Stringorg.jfree.data.statistics.HistogramTypeVARIABLE_TYPE_MISMATCH
    org.jfree.chart.annotations.AbstractXYAnnotationorg.jfree.data.statistics.HistogramDatasetVARIABLE_TYPE_MISMATCH
    toolTipTexttypeVARIABLE_NAME_MISMATCH
    java.lang.Stringorg.jfree.data.statistics.HistogramTypeVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String of variable this.toolTipText does not match with type org.jfree.data.statistics.HistogramType of variable this.type
    • Make classes java.lang.String and org.jfree.data.statistics.HistogramType extend a common superclass
    Type java.lang.String of variable that.toolTipText does not match with type org.jfree.data.statistics.HistogramType of variable that.type
    • Make classes org.jfree.chart.annotations.AbstractXYAnnotation and org.jfree.data.statistics.HistogramDataset extend a common superclass
    Expression that.toolTipText cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.type cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type java.lang.String of variable that.toolTipText does not match with type org.jfree.data.statistics.HistogramType of variable that.type
    • Make classes java.lang.String and org.jfree.data.statistics.HistogramType extend a common superclass
    6
    if (!ObjectUtilities.equal(this.type, that.type))
    7
    return false;
    7
    return false;
    8
    if (!ObjectUtilities.equal(this.url, that.url))
    8
    if (!ObjectUtilities.equal(this.url, that.url))
    8
    if (!ObjectUtilities.equal(this.list, that.list))
    Differences
    Expression1Expression2Difference
    urllistVARIABLE_NAME_MISMATCH
    java.lang.Stringjava.util.ListVARIABLE_TYPE_MISMATCH
    org.jfree.chart.annotations.AbstractXYAnnotationorg.jfree.data.statistics.HistogramDatasetVARIABLE_TYPE_MISMATCH
    urllistVARIABLE_NAME_MISMATCH
    java.lang.Stringjava.util.ListVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String of variable this.url does not match with type java.util.List of variable this.list
    • Make classes java.lang.String and java.util.List extend a common superclass
    Type java.lang.String of variable that.url does not match with type java.util.List of variable that.list
    • Make classes org.jfree.chart.annotations.AbstractXYAnnotation and org.jfree.data.statistics.HistogramDataset extend a common superclass
    Expression that.url cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.list cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type java.lang.String of variable that.url does not match with type java.util.List of variable that.list
    • Make classes java.lang.String and java.util.List extend a common superclass
    8
    if (!ObjectUtilities.equal(this.list, that.list))
    9
    return false;
    9
    return false;
    10
    return true;
    10
    return true;
    Precondition Violations (12)
    Row Violation
    1Type org.jfree.chart.annotations.AbstractXYAnnotation does not match with type org.jfree.data.statistics.HistogramDataset
    2Type java.lang.String of variable this.toolTipText does not match with type org.jfree.data.statistics.HistogramType of variable this.type
    3Type java.lang.String of variable that.toolTipText does not match with type org.jfree.data.statistics.HistogramType of variable that.type
    4Expression that.toolTipText cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression that.type cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Type java.lang.String of variable that.toolTipText does not match with type org.jfree.data.statistics.HistogramType of variable that.type
    7Type java.lang.String of variable this.url does not match with type java.util.List of variable this.list
    8Type java.lang.String of variable that.url does not match with type java.util.List of variable that.list
    9Expression that.url cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Expression that.list cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Type java.lang.String of variable that.url does not match with type java.util.List of variable that.list
    12The refactoring of the clones is infeasible, because classes org.jfree.chart.annotations.AbstractXYAnnotation and org.jfree.data.statistics.HistogramDataset do not have a common superclass