if (!(obj instanceof SimpleHistogramBin)) { return false; } SimpleHistogramBin that = (SimpleHistogramBin) obj; if (this.lowerBound != that.lowerBound) { return false; } if (this.upperBound != that.upperBound) { return false; } if (this.includeLowerBound != that.includeLowerBound) { return false; } if (this.includeUpperBound != that.includeUpperBound) { return false; } if (this.itemCount != that.itemCount) { return false; } return true;
if (obj == this) { return true; } if (!(obj instanceof Second)) { return false; } Second that = (Second) obj; if (this.second != that.second) { return false; } if (this.minute != that.minute) { return false; } if (this.hour != that.hour) { return false; } if (!this.day.equals(that.day)) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/data/statistics/SimpleHistogramBin.java File path: /jfreechart-1.0.10/src/org/jfree/data/time/Second.java
Method name: boolean equals(Object) Method name: boolean equals(Object)
Number of AST nodes: 14 Number of AST nodes: 14
1
if (!(obj instanceof SimpleHistogramBin)) {
1
if (obj == this) {
2
            return false;
2
            return true;
3
        }
3
        }
4
        SimpleHistogramBin that = (SimpleHistogramBin) obj;
4
        
5
        if (this.lowerBound != that.lowerBound) {
5
if (!(obj instanceof Second)) {
6
            return false;
6
            return false;
7
        }
7
        }
8
        Second that = (Second) obj;
8
        if (this.upperBound != that.upperBound) {
9
        if (this.second != that.second) {
9
            return false;
10
            return false;
10
        }
11
        }
11
        if (this.includeLowerBound != that.includeLowerBound) {
12
        if (this.minute != that.minute) {
12
            return false;
13
            return false;
13
        }
14
        }
14
        if (this.includeUpperBound != that.includeUpperBound) {
15
        if (this.hour != that.hour) {
15
            return false;
16
            return false;
16
        }
17
        }
17
        if (this.itemCount != that.itemCount) {
18
        if (!this.day.equals(that.day)) {
18
            return false;
19
            return false;
19
        }
20
        }
20
        return true;
21
        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)3.4
Clones locationClones are in different classes
Number of node comparisons58
  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 fragment1
    Time elapsed for statement mapping (ms)2.6
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (!(obj instanceof SimpleHistogramBin))
    1
    if (!(obj instanceof SimpleHistogramBin))
    3
    if (!(obj instanceof Second))
    Differences
    Expression1Expression2Difference
    org.jfree.data.statistics.SimpleHistogramBinorg.jfree.data.time.SecondVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.statistics.SimpleHistogramBin does not match with type org.jfree.data.time.Second
    • Make classes org.jfree.data.statistics.SimpleHistogramBin and org.jfree.data.time.Second extend a common superclass
    3
    if (!(obj instanceof Second))
    2
    return false;
    4
    return false;
    3
    SimpleHistogramBin that = (SimpleHistogramBin)obj;
                                                                                                          
                                                          
    5
    Second that = (Second)obj;
    4
    if (this.lowerBound != that.lowerBound)
    4
    if (this.lowerBound != that.lowerBound)
    6
    if (this.second != that.second)
    Differences
    Expression1Expression2Difference
    lowerBoundsecondVARIABLE_NAME_MISMATCH
    doublebyteVARIABLE_TYPE_MISMATCH
    org.jfree.data.statistics.SimpleHistogramBinorg.jfree.data.time.SecondVARIABLE_TYPE_MISMATCH
    lowerBoundsecondVARIABLE_NAME_MISMATCH
    doublebyteVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type double of variable this.lowerBound does not match with type byte of variable this.second
    Type double of variable that.lowerBound does not match with type byte of variable that.second
    • Make classes org.jfree.data.statistics.SimpleHistogramBin and org.jfree.data.time.Second extend a common superclass
    Expression that.lowerBound cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.second cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type double of variable that.lowerBound does not match with type byte of variable that.second
    6
    if (this.second != that.second)
    5
    return false;
    7
    return false;
    6
    if (this.upperBound != that.upperBound)
    6
    if (this.upperBound != that.upperBound)
    8
    if (this.minute != that.minute)
    Differences
    Expression1Expression2Difference
    upperBoundminuteVARIABLE_NAME_MISMATCH
    doublebyteVARIABLE_TYPE_MISMATCH
    org.jfree.data.statistics.SimpleHistogramBinorg.jfree.data.time.SecondVARIABLE_TYPE_MISMATCH
    upperBoundminuteVARIABLE_NAME_MISMATCH
    doublebyteVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type double of variable this.upperBound does not match with type byte of variable this.minute
    Type double of variable that.upperBound does not match with type byte of variable that.minute
    • Make classes org.jfree.data.statistics.SimpleHistogramBin and org.jfree.data.time.Second extend a common superclass
    Expression that.upperBound cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.minute cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type double of variable that.upperBound does not match with type byte of variable that.minute
    8
    if (this.minute != that.minute)
    7
    return false;
    9
    return false;
    8
    if (this.includeLowerBound != that.includeLowerBound)
    8
    if (this.includeLowerBound != that.includeLowerBound)
    10
    if (this.hour != that.hour)
    Differences
    Expression1Expression2Difference
    includeLowerBoundhourVARIABLE_NAME_MISMATCH
    booleanbyteVARIABLE_TYPE_MISMATCH
    org.jfree.data.statistics.SimpleHistogramBinorg.jfree.data.time.SecondVARIABLE_TYPE_MISMATCH
    includeLowerBoundhourVARIABLE_NAME_MISMATCH
    booleanbyteVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type boolean of variable this.includeLowerBound does not match with type byte of variable this.hour
    Type boolean of variable that.includeLowerBound does not match with type byte of variable that.hour
    • Make classes org.jfree.data.statistics.SimpleHistogramBin and org.jfree.data.time.Second extend a common superclass
    Expression that.includeLowerBound cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.hour cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type boolean of variable that.includeLowerBound does not match with type byte of variable that.hour
    10
    if (this.hour != that.hour)
    9
    return false;
    11
    return false;
    Precondition Violations (17)
    Row Violation
    1Type org.jfree.data.statistics.SimpleHistogramBin does not match with type org.jfree.data.time.Second
    2Type double of variable this.lowerBound does not match with type byte of variable this.second
    3Type double of variable that.lowerBound does not match with type byte of variable that.second
    4Expression that.lowerBound cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression that.second cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Type double of variable that.lowerBound does not match with type byte of variable that.second
    7Type double of variable this.upperBound does not match with type byte of variable this.minute
    8Type double of variable that.upperBound does not match with type byte of variable that.minute
    9Expression that.upperBound cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Expression that.minute cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Type double of variable that.upperBound does not match with type byte of variable that.minute
    12Type boolean of variable this.includeLowerBound does not match with type byte of variable this.hour
    13Type boolean of variable that.includeLowerBound does not match with type byte of variable that.hour
    14Expression that.includeLowerBound cannot be parameterized, because it has dependencies to/from statements that will be extracted
    15Expression that.hour cannot be parameterized, because it has dependencies to/from statements that will be extracted
    16Type boolean of variable that.includeLowerBound does not match with type byte of variable that.hour
    17Not all possible execution flows end in a return statement