if (obj == this) { return true; } if (!(obj instanceof Series)) { return false; } Series that = (Series) obj; if (!getKey().equals(that.getKey())) { return false; } if (!ObjectUtilities.equal(getDescription(), that.getDescription())) { return false; } return true;
if (obj == this) { return true; } if (!(obj instanceof TimePeriod)) { return false; } TimePeriod that = (TimePeriod) obj; if (!this.getStart().equals(that.getStart())) { return false; } if (!this.getEnd().equals(that.getEnd())) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/data/general/Series.java File path: /jfreechart-1.0.10/src/org/jfree/data/time/SimpleTimePeriod.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 Series)) {
4
        if (!(obj instanceof TimePeriod)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        Series that = (Series) obj;
7
        TimePeriod that = (TimePeriod) obj;
8
        if (!getKey().equals(that.getKey())) {
8
        if (!this.getStart().equals(that.getStart())) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        if (!ObjectUtilities.equal(getDescription(), that.getDescription())) {
11
        if (!this.getEnd().equals(that.getEnd())) {
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)1.1
Clones locationClones are in different classes
Number of node comparisons29
  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)2.2
    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 Series))
    3
    if (!(obj instanceof Series))
    3
    if (!(obj instanceof TimePeriod))
    Differences
    Expression1Expression2Difference
    org.jfree.data.general.Seriesorg.jfree.data.time.TimePeriodVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.general.Series does not match with type org.jfree.data.time.TimePeriod
    • Make classes org.jfree.data.general.Series and org.jfree.data.time.TimePeriod extend a common superclass
    3
    if (!(obj instanceof TimePeriod))
    4
    return false;
    4
    return false;
                                                                          
    5
    TimePeriod that = (TimePeriod)obj;
    5
    Series that = (Series)obj;
                                                          
    6
    if (!getKey().equals(that.getKey()))
                                                                                
    7
    return false;
    7
    return false;
    Preondition Violations
    Unmatched return false;
                                    
    8
    if (!ObjectUtilities.equal(getDescription(), that.getDescription()))
    8
    if (!ObjectUtilities.equal(getDescription(), that.getDescription()))
    6
    if (!this.getStart().equals(that.getStart()))
    Differences
    Expression1Expression2Difference
    ObjectUtilities.equal(getDescription(),that.getDescription())this.getStart().equals(that.getStart())TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression ObjectUtilities.equal(getDescription(),that.getDescription()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression this.getStart().equals(that.getStart()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6
    if (!this.getStart().equals(that.getStart()))
    9
    return false;
    7
    return false;
    Precondition Violations (5)
    Row Violation
    1Type org.jfree.data.general.Series does not match with type org.jfree.data.time.TimePeriod
    2Unmatched return false;
    3Expression ObjectUtilities.equal(getDescription(),that.getDescription()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression this.getStart().equals(that.getStart()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Not all possible execution flows end in a return statement