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 (obj == this) { return true; } if (!(obj instanceof Week)) { return false; } Week that = (Week) obj; if (this.week != that.week) { return false; } if (this.year != that.year) { 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/time/Week.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 Hour)) {
4
        if (!(obj instanceof Week)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        Hour that = (Hour) obj;
7
        Week that = (Week) obj;
8
        if (this.hour != that.hour) {
8
        if (this.week != that.week) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        if (!this.day.equals(that.day)) {
11
        if (this.year != that.year) {
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)1.2
Clones locationClones are in different classes having the same super class
Number of node comparisons26
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements7
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)2.5
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (obj == this)
    1
    if (obj == this)
    2
    return true;
    2
    return true;
    3
    if (!(obj instanceof Hour))
    3
    if (!(obj instanceof Hour))
    3
    if (!(obj instanceof Week))
    Differences
    Expression1Expression2Difference
    org.jfree.data.time.Hourorg.jfree.data.time.WeekSUBCLASS_TYPE_MISMATCH
    3
    if (!(obj instanceof Week))
    4
    return false;
    4
    return false;
    5
    Hour that = (Hour)obj;
    5
    Hour that = (Hour)obj;
    5
    Week that = (Week)obj;
    Differences
    Expression1Expression2Difference
    org.jfree.data.time.Hourorg.jfree.data.time.WeekSUBCLASS_TYPE_MISMATCH
    org.jfree.data.time.Hourorg.jfree.data.time.WeekSUBCLASS_TYPE_MISMATCH
    org.jfree.data.time.Hourorg.jfree.data.time.WeekSUBCLASS_TYPE_MISMATCH
    5
    Week that = (Week)obj;
    6
    if (this.hour != that.hour)
    6
    if (this.hour != that.hour)
    6
    if (this.week != that.week)
    Differences
    Expression1Expression2Difference
    hourweekVARIABLE_NAME_MISMATCH
    org.jfree.data.time.Hourorg.jfree.data.time.WeekSUBCLASS_TYPE_MISMATCH
    hourweekVARIABLE_NAME_MISMATCH
    Preondition Violations
    Expression that.hour cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.week cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6
    if (this.week != that.week)
    7
    return false;
    7
    return false;
    Precondition Violations (4)
    Row Violation
    1Expression that.hour cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression that.week cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Clone fragment #1 returns variable that with type org.jfree.data.time.Hour , while Clone fragment #2 returns variable that with type org.jfree.data.time.Week
    4Not all possible execution flows end in a return statement