if (obj == this) { return true; } if (!(obj instanceof DefaultStatisticalCategoryDataset)) { return false; } DefaultStatisticalCategoryDataset that = (DefaultStatisticalCategoryDataset) obj; if (!this.data.equals(that.data)) { return false; } return true;
if (this == obj) { return true; } if (!(obj instanceof TimePeriodAnchor)) { return false; } TimePeriodAnchor position = (TimePeriodAnchor) obj; if (!this.name.equals(position.name)) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/data/statistics/DefaultStatisticalCategoryDataset.java File path: /jfreechart-1.0.10/src/org/jfree/data/time/TimePeriodAnchor.java
Method name: boolean equals(Object) Method name: boolean equals(Object)
Number of AST nodes: 8 Number of AST nodes: 8
1
if (obj == this) {
1
if (this == obj) {
2
            return true;   
2
            return true;
3
        }
3
        }
4
        if (!(obj instanceof DefaultStatisticalCategoryDataset)) {
4
        if (!(obj instanceof TimePeriodAnchor)) {
5
            return false;   
5
            return false;
6
        }
6
        }
7
        DefaultStatisticalCategoryDataset that 
7
        
8
                = (DefaultStatisticalCategoryDataset) obj;
8
TimePeriodAnchor position = (TimePeriodAnchor) obj;
9
        if (!this.data.equals(that.data)) {
9
        if (!this.name.equals(position.name)) {
10
            return false;   
10
            return false;
11
        }
11
        }
12
        return true;
12
        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)0.7
Clones locationClones are in different classes
Number of node comparisons19
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements4
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)1.3
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    3
    if (!(obj instanceof DefaultStatisticalCategoryDataset))
    3
    if (!(obj instanceof DefaultStatisticalCategoryDataset))
    3
    if (!(obj instanceof TimePeriodAnchor))
    Differences
    Expression1Expression2Difference
    org.jfree.data.statistics.DefaultStatisticalCategoryDatasetorg.jfree.data.time.TimePeriodAnchorVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.statistics.DefaultStatisticalCategoryDataset does not match with type org.jfree.data.time.TimePeriodAnchor
    • Make classes org.jfree.data.statistics.DefaultStatisticalCategoryDataset and org.jfree.data.time.TimePeriodAnchor extend a common superclass
    3
    if (!(obj instanceof TimePeriodAnchor))
    4
    return false;
    4
    return false;
                                                                                                          
    5
    TimePeriodAnchor position = (TimePeriodAnchor)obj;
    5
    DefaultStatisticalCategoryDataset that = (DefaultStatisticalCategoryDataset)obj;
                                                                                                                                                                      
    6
    if (!this.data.equals(that.data))
    6
    if (!this.data.equals(that.data))
    6
    if (!this.name.equals(position.name))
    Differences
    Expression1Expression2Difference
    thatpositionVARIABLE_NAME_MISMATCH
    org.jfree.data.statistics.DefaultStatisticalCategoryDatasetorg.jfree.data.time.TimePeriodAnchorVARIABLE_TYPE_MISMATCH
    datanameVARIABLE_NAME_MISMATCH
    org.jfree.data.KeyedObjects2Djava.lang.StringVARIABLE_TYPE_MISMATCH
    datanameVARIABLE_NAME_MISMATCH
    org.jfree.data.KeyedObjects2Djava.lang.StringVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Expression that.data cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression position.name cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type org.jfree.data.KeyedObjects2D of variable that.data does not match with type java.lang.String of variable position.name
    • Make classes org.jfree.data.statistics.DefaultStatisticalCategoryDataset and org.jfree.data.time.TimePeriodAnchor extend a common superclass
    Expression that.data cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression position.name cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type org.jfree.data.KeyedObjects2D of variable that.data does not match with type java.lang.String of variable position.name
    • Make classes org.jfree.data.KeyedObjects2D and java.lang.String extend a common superclass
    Type org.jfree.data.KeyedObjects2D of variable this.data does not match with type java.lang.String of variable this.name
    • Make classes org.jfree.data.KeyedObjects2D and java.lang.String extend a common superclass
    6
    if (!this.name.equals(position.name))
    7
    return false;
    7
    return false;
    Precondition Violations (9)
    Row Violation
    1Type org.jfree.data.statistics.DefaultStatisticalCategoryDataset does not match with type org.jfree.data.time.TimePeriodAnchor
    2Expression that.data cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression position.name cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Type org.jfree.data.KeyedObjects2D of variable that.data does not match with type java.lang.String of variable position.name
    5Expression that.data cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression position.name cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Type org.jfree.data.KeyedObjects2D of variable that.data does not match with type java.lang.String of variable position.name
    8Type org.jfree.data.KeyedObjects2D of variable this.data does not match with type java.lang.String of variable this.name
    9Not all possible execution flows end in a return statement