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;
if (this == obj) { return false; } if (!(obj instanceof WindDataItem)) { return false; } WindDataItem that = (WindDataItem) obj; if (!this.x.equals(that.x)) { return false; } if (!this.windDir.equals(that.windDir)) { return false; } if (!this.windForce.equals(that.windForce)) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/data/statistics/SimpleHistogramDataset.java File path: /jfreechart-1.0.10/src/org/jfree/data/xy/DefaultWindDataset.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 (this == obj) {
2
            return true;
2
            return false;
3
        }
3
        }
4
        if (!(obj instanceof SimpleHistogramDataset)) {
4
        if (!(obj instanceof WindDataItem)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        SimpleHistogramDataset that = (SimpleHistogramDataset) obj;
7
        WindDataItem that = (WindDataItem) obj;
8
        if (!this.key.equals(that.key)) {
8
        if (!this.x.equals(that.x)) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        if (this.adjustForBinSize != that.adjustForBinSize) {
11
        if (!this.windDir.equals(that.windDir)) {
12
            return false;
12
            return false;
13
        }
13
        }
14
        if (!this.bins.equals(that.bins)) {
14
        if (!this.windForce.equals(that.windForce)) {
15
            return false;
15
            return false;
16
        }
16
        }
17
        return true;
17
        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)2.9
Clones locationClones are in different classes
Number of node comparisons44
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements6
    Number of unmapped statements in the first code fragment3
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)2.5
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    3
    if (!(obj instanceof SimpleHistogramDataset))
    3
    if (!(obj instanceof SimpleHistogramDataset))
    3
    if (!(obj instanceof WindDataItem))
    Differences
    Expression1Expression2Difference
    org.jfree.data.statistics.SimpleHistogramDatasetorg.jfree.data.xy.WindDataItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.statistics.SimpleHistogramDataset does not match with type org.jfree.data.xy.WindDataItem
    • Make classes org.jfree.data.statistics.SimpleHistogramDataset and org.jfree.data.xy.WindDataItem extend a common superclass
    3
    if (!(obj instanceof WindDataItem))
    4
    return false;
    4
    return false;
                                                                                  
    5
    WindDataItem that = (WindDataItem)obj;
    5
    SimpleHistogramDataset that = (SimpleHistogramDataset)obj;
                                                                                                                          
    6
    if (!this.key.equals(that.key))
    6
    if (!this.key.equals(that.key))
    6
    if (!this.x.equals(that.x))
    Differences
    Expression1Expression2Difference
    org.jfree.data.statistics.SimpleHistogramDatasetorg.jfree.data.xy.WindDataItemVARIABLE_TYPE_MISMATCH
    keyxVARIABLE_NAME_MISMATCH
    java.lang.Comparablejava.lang.NumberVARIABLE_TYPE_MISMATCH
    keyxVARIABLE_NAME_MISMATCH
    java.lang.Comparablejava.lang.NumberVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.Comparable of variable that.key does not match with type java.lang.Number of variable that.x
    • Make classes org.jfree.data.statistics.SimpleHistogramDataset and org.jfree.data.xy.WindDataItem extend a common superclass
    Expression that.key cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.x cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type java.lang.Comparable of variable that.key does not match with type java.lang.Number of variable that.x
    • Make classes java.lang.Comparable and java.lang.Number extend a common superclass
    Type java.lang.Comparable of variable this.key does not match with type java.lang.Number of variable this.x
    • Make classes java.lang.Comparable and java.lang.Number extend a common superclass
    6
    if (!this.x.equals(that.x))
    7
    return false;
    7
    return false;
    8
    if (this.adjustForBinSize != that.adjustForBinSize)
                                                                                                              
    9
    return false;
    9
    return false;
    Preondition Violations
    Unmatched return false;
                                    
    10
    if (!this.bins.equals(that.bins))
    10
    if (!this.bins.equals(that.bins))
    8
    if (!this.windDir.equals(that.windDir))
    Differences
    Expression1Expression2Difference
    org.jfree.data.statistics.SimpleHistogramDatasetorg.jfree.data.xy.WindDataItemVARIABLE_TYPE_MISMATCH
    binswindDirVARIABLE_NAME_MISMATCH
    java.util.Listjava.lang.NumberVARIABLE_TYPE_MISMATCH
    binswindDirVARIABLE_NAME_MISMATCH
    java.util.Listjava.lang.NumberVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.util.List of variable that.bins does not match with type java.lang.Number of variable that.windDir
    • Make classes org.jfree.data.statistics.SimpleHistogramDataset and org.jfree.data.xy.WindDataItem extend a common superclass
    Expression that.bins cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.windDir cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type java.util.List of variable that.bins does not match with type java.lang.Number of variable that.windDir
    • Make classes java.util.List and java.lang.Number extend a common superclass
    Type java.util.List of variable this.bins does not match with type java.lang.Number of variable this.windDir
    • Make classes java.util.List and java.lang.Number extend a common superclass
    8
    if (!this.windDir.equals(that.windDir))
    11
    return false;
    9
    return false;
    Precondition Violations (13)
    Row Violation
    1Type org.jfree.data.statistics.SimpleHistogramDataset does not match with type org.jfree.data.xy.WindDataItem
    2Type java.lang.Comparable of variable that.key does not match with type java.lang.Number of variable that.x
    3Expression that.key cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression that.x cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Type java.lang.Comparable of variable that.key does not match with type java.lang.Number of variable that.x
    6Type java.lang.Comparable of variable this.key does not match with type java.lang.Number of variable this.x
    7Unmatched return false;
    8Type java.util.List of variable that.bins does not match with type java.lang.Number of variable that.windDir
    9Expression that.bins cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Expression that.windDir cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Type java.util.List of variable that.bins does not match with type java.lang.Number of variable that.windDir
    12Type java.util.List of variable this.bins does not match with type java.lang.Number of variable this.windDir
    13Not all possible execution flows end in a return statement