if (obj == this) { return true; } if (!(obj instanceof StandardPieURLGenerator)) { return false; } StandardPieURLGenerator that = (StandardPieURLGenerator) obj; if (!this.prefix.equals(that.prefix)) { return false; } if (!this.categoryParameterName.equals(that.categoryParameterName)) { return false; } if (!ObjectUtilities.equal(this.indexParameterName, that.indexParameterName)) { return false; } return true;
if (obj == this) { return true; } if (!(obj instanceof SimpleHistogramDataset)) { return false; } SimpleHistogramDataset that = (SimpleHistogramDataset) obj; if (!this.key.equals(that.key)) { return false; } if (this.adjustForBinSize != that.adjustForBinSize) { return false; } if (!this.bins.equals(that.bins)) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/urls/StandardPieURLGenerator.java File path: /jfreechart-1.0.10/src/org/jfree/data/statistics/SimpleHistogramDataset.java
Method name: boolean equals(Object) Method name: boolean equals(Object)
Number of AST nodes: 12 Number of AST nodes: 12
1
if (obj == this) {
1
if (obj == this) {
2
            return true;
2
            return true;
3
        }
3
        }
4
        if (!(obj instanceof StandardPieURLGenerator)) {
4
        if (!(obj instanceof SimpleHistogramDataset)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        StandardPieURLGenerator that = (StandardPieURLGenerator) obj;
7
        SimpleHistogramDataset that = (SimpleHistogramDataset) obj;
8
        if (!this.prefix.equals(that.prefix)) {
8
        if (!this.key.equals(that.key)) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        if (!this.categoryParameterName.equals(that.categoryParameterName)) {
11
        if (this.adjustForBinSize != that.adjustForBinSize) {
12
            return false;
12
            return false;
13
        }
13
        }
14
        if (!ObjectUtilities.equal(this.indexParameterName, 
14
        if (!
15
                that.indexParameterName)) {
15
this.bins.equals(that.bins)) {
16
            return false;
16
            return false;
17
        }
17
        }
18
        return true;
18
        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)2.6
Clones locationClones are in different classes
Number of node comparisons47
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements8
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment3
    Time elapsed for statement mapping (ms)3.1
    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 (!(obj instanceof StandardPieURLGenerator))
    3
    if (!(obj instanceof StandardPieURLGenerator))
    3
    if (!(obj instanceof SimpleHistogramDataset))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.urls.StandardPieURLGeneratororg.jfree.data.statistics.SimpleHistogramDatasetVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.urls.StandardPieURLGenerator does not match with type org.jfree.data.statistics.SimpleHistogramDataset
    • Make classes org.jfree.chart.urls.StandardPieURLGenerator and org.jfree.data.statistics.SimpleHistogramDataset extend a common superclass
    3
    if (!(obj instanceof SimpleHistogramDataset))
    4
    return false;
    4
    return false;
                                                                                                                          
    5
    SimpleHistogramDataset that = (SimpleHistogramDataset)obj;
    5
    StandardPieURLGenerator that = (StandardPieURLGenerator)obj;
                                                                                                                              
    6
    if (!this.prefix.equals(that.prefix))
    6
    if (!this.prefix.equals(that.prefix))
    6
    if (!this.key.equals(that.key))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.urls.StandardPieURLGeneratororg.jfree.data.statistics.SimpleHistogramDatasetVARIABLE_TYPE_MISMATCH
    prefixkeyVARIABLE_NAME_MISMATCH
    java.lang.Stringjava.lang.ComparableVARIABLE_TYPE_MISMATCH
    prefixkeyVARIABLE_NAME_MISMATCH
    java.lang.Stringjava.lang.ComparableVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String of variable that.prefix does not match with type java.lang.Comparable of variable that.key
    • Make classes org.jfree.chart.urls.StandardPieURLGenerator and org.jfree.data.statistics.SimpleHistogramDataset extend a common superclass
    Expression that.prefix cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.key cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type java.lang.String of variable that.prefix does not match with type java.lang.Comparable of variable that.key
    • Make classes java.lang.String and java.lang.Comparable extend a common superclass
    Type java.lang.String of variable this.prefix does not match with type java.lang.Comparable of variable this.key
    • Make classes java.lang.String and java.lang.Comparable extend a common superclass
    6
    if (!this.key.equals(that.key))
    7
    return false;
    7
    return false;
                                                                                                              
    8
    if (this.adjustForBinSize != that.adjustForBinSize)
                                    
    9
    return false;
    Preondition Violations
    Unmatched return false;
    9
    return false;
    8
    if (!this.categoryParameterName.equals(that.categoryParameterName))
    8
    if (!this.categoryParameterName.equals(that.categoryParameterName))
    10
    if (!this.bins.equals(that.bins))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.urls.StandardPieURLGeneratororg.jfree.data.statistics.SimpleHistogramDatasetVARIABLE_TYPE_MISMATCH
    categoryParameterNamebinsVARIABLE_NAME_MISMATCH
    java.lang.Stringjava.util.ListVARIABLE_TYPE_MISMATCH
    categoryParameterNamebinsVARIABLE_NAME_MISMATCH
    java.lang.Stringjava.util.ListVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String of variable that.categoryParameterName does not match with type java.util.List of variable that.bins
    • Make classes org.jfree.chart.urls.StandardPieURLGenerator and org.jfree.data.statistics.SimpleHistogramDataset extend a common superclass
    Expression that.categoryParameterName cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.bins cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type java.lang.String of variable that.categoryParameterName does not match with type java.util.List of variable that.bins
    • Make classes java.lang.String and java.util.List extend a common superclass
    Type java.lang.String of variable this.categoryParameterName does not match with type java.util.List of variable this.bins
    • Make classes java.lang.String and java.util.List extend a common superclass
    10
    if (!this.bins.equals(that.bins))
    9
    return false;
    11
    return false;
    Precondition Violations (14)
    Row Violation
    1Type org.jfree.chart.urls.StandardPieURLGenerator does not match with type org.jfree.data.statistics.SimpleHistogramDataset
    2Type java.lang.String of variable that.prefix does not match with type java.lang.Comparable of variable that.key
    3Expression that.prefix cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression that.key cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Type java.lang.String of variable that.prefix does not match with type java.lang.Comparable of variable that.key
    6Type java.lang.String of variable this.prefix does not match with type java.lang.Comparable of variable this.key
    7Unmatched return false;
    8Type java.lang.String of variable that.categoryParameterName does not match with type java.util.List of variable that.bins
    9Expression that.categoryParameterName cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Expression that.bins cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Type java.lang.String of variable that.categoryParameterName does not match with type java.util.List of variable that.bins
    12Type java.lang.String of variable this.categoryParameterName does not match with type java.util.List of variable this.bins
    13Not all possible execution flows end in a return statement
    14The refactoring of the clones is infeasible, because classes org.jfree.chart.urls.StandardPieURLGenerator and org.jfree.data.statistics.SimpleHistogramDataset do not have a common superclass