if (obj == this) { return true; } if (!(obj instanceof Hour)) { return false; } Hour that = (Hour) obj; if (this.hour != that.hour) { return false; } if (!this.day.equals(that.day)) { return false; } return true;
if (this == obj) { return true; } if (!(obj instanceof DefaultWindDataset)) { return false; } DefaultWindDataset that = (DefaultWindDataset) obj; if (!this.seriesKeys.equals(that.seriesKeys)) { return false; } if (!this.allSeriesData.equals(that.allSeriesData)) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/data/time/Hour.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: 10 Number of AST nodes: 10
1
if (obj == this) {
1
if (this == obj) {
2
            return true;
2
            return true;
3
        }
3
        }
4
        if (!(obj instanceof Hour)) {
4
        if (!(obj instanceof DefaultWindDataset)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        Hour that = (Hour) obj;
7
        DefaultWindDataset that = (DefaultWindDataset) obj;
8
        if (this.hour != that.hour) {
8
        if (!this.seriesKeys.equals(that.seriesKeys)) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        if (!this.day.equals(that.day)) {
11
        if (!this.allSeriesData.equals(that.allSeriesData)) {
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)1.6
Clones locationClones are in different classes
Number of node comparisons26
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements4
    Number of unmapped statements in the first code fragment3
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)1.7
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    3
    if (!(obj instanceof Hour))
    3
    if (!(obj instanceof Hour))
    3
    if (!(obj instanceof DefaultWindDataset))
    Differences
    Expression1Expression2Difference
    org.jfree.data.time.Hourorg.jfree.data.xy.DefaultWindDatasetVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.time.Hour does not match with type org.jfree.data.xy.DefaultWindDataset
    • Make classes org.jfree.data.time.Hour and org.jfree.data.xy.DefaultWindDataset extend a common superclass
    3
    if (!(obj instanceof DefaultWindDataset))
    4
    return false;
    4
    return false;
                                                                                                          
    5
    DefaultWindDataset that = (DefaultWindDataset)obj;
    5
    Hour that = (Hour)obj;
                                                  
    6
    if (this.hour != that.hour)
                                                              
    7
    return false;
    7
    return false;
    Preondition Violations
    Unmatched return false;
                                    
    8
    if (!this.day.equals(that.day))
    8
    if (!this.day.equals(that.day))
    6
    if (!this.seriesKeys.equals(that.seriesKeys))
    Differences
    Expression1Expression2Difference
    org.jfree.data.time.Hourorg.jfree.data.xy.DefaultWindDatasetVARIABLE_TYPE_MISMATCH
    dayseriesKeysVARIABLE_NAME_MISMATCH
    org.jfree.data.time.Dayjava.util.ListVARIABLE_TYPE_MISMATCH
    dayseriesKeysVARIABLE_NAME_MISMATCH
    org.jfree.data.time.Dayjava.util.ListVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.time.Day of variable that.day does not match with type java.util.List of variable that.seriesKeys
    • Make classes org.jfree.data.time.Hour and org.jfree.data.xy.DefaultWindDataset extend a common superclass
    Expression that.day cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.seriesKeys cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type org.jfree.data.time.Day of variable that.day does not match with type java.util.List of variable that.seriesKeys
    • Make classes org.jfree.data.time.Day and java.util.List extend a common superclass
    Type org.jfree.data.time.Day of variable this.day does not match with type java.util.List of variable this.seriesKeys
    • Make classes org.jfree.data.time.Day and java.util.List extend a common superclass
    6
    if (!this.seriesKeys.equals(that.seriesKeys))
    9
    return false;
    7
    return false;
    Precondition Violations (8)
    Row Violation
    1Type org.jfree.data.time.Hour does not match with type org.jfree.data.xy.DefaultWindDataset
    2Unmatched return false;
    3Type org.jfree.data.time.Day of variable that.day does not match with type java.util.List of variable that.seriesKeys
    4Expression that.day cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression that.seriesKeys cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Type org.jfree.data.time.Day of variable that.day does not match with type java.util.List of variable that.seriesKeys
    7Type org.jfree.data.time.Day of variable this.day does not match with type java.util.List of variable this.seriesKeys
    8Not all possible execution flows end in a return statement