if (obj == this) { return true; } if (!(obj instanceof GridArrangement)) { return false; } GridArrangement that = (GridArrangement) obj; if (this.columns != that.columns) { return false; } if (this.rows != that.rows) { 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/chart/block/GridArrangement.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 GridArrangement)) {
4
        if (!(obj instanceof Week)) {
5
            return false;   
5
            return false;
6
        }
6
        }
7
        GridArrangement that = (GridArrangement) obj;
7
        Week that = (Week) obj;
8
        if (this.columns != that.columns) {
8
        if (this.week != that.week) {
9
            return false;   
9
            return false;
10
        }
10
        }
11
        if (this.rows != that.rows) {
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)1.1
Clones locationClones are in different classes
Number of node comparisons35
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements9
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)2.7
    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 GridArrangement))
    3
    if (!(obj instanceof GridArrangement))
    3
    if (!(obj instanceof Week))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.block.GridArrangementorg.jfree.data.time.WeekVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.block.GridArrangement does not match with type org.jfree.data.time.Week
    • Make classes org.jfree.chart.block.GridArrangement and org.jfree.data.time.Week extend a common superclass
    3
    if (!(obj instanceof Week))
    4
    return false;
    4
    return false;
                                                  
    5
    Week that = (Week)obj;
    5
    GridArrangement that = (GridArrangement)obj;
                                                                                              
    6
    if (this.columns != that.columns)
    6
    if (this.columns != that.columns)
    6
    if (this.week != that.week)
    Differences
    Expression1Expression2Difference
    columnsweekVARIABLE_NAME_MISMATCH
    intbyteVARIABLE_TYPE_MISMATCH
    org.jfree.chart.block.GridArrangementorg.jfree.data.time.WeekVARIABLE_TYPE_MISMATCH
    columnsweekVARIABLE_NAME_MISMATCH
    intbyteVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type int of variable this.columns does not match with type byte of variable this.week
    Type int of variable that.columns does not match with type byte of variable that.week
    • Make classes org.jfree.chart.block.GridArrangement and org.jfree.data.time.Week extend a common superclass
    Expression that.columns 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
    Type int of variable that.columns does not match with type byte of variable that.week
    6
    if (this.week != that.week)
    7
    return false;
    7
    return false;
    8
    if (this.rows != that.rows)
    8
    if (this.rows != that.rows)
    8
    if (this.year != that.year)
    Differences
    Expression1Expression2Difference
    rowsyearVARIABLE_NAME_MISMATCH
    intshortVARIABLE_TYPE_MISMATCH
    org.jfree.chart.block.GridArrangementorg.jfree.data.time.WeekVARIABLE_TYPE_MISMATCH
    rowsyearVARIABLE_NAME_MISMATCH
    intshortVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type int of variable this.rows does not match with type short of variable this.year
    Type int of variable that.rows does not match with type short of variable that.year
    • Make classes org.jfree.chart.block.GridArrangement and org.jfree.data.time.Week extend a common superclass
    Expression that.rows cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.year cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type int of variable that.rows does not match with type short of variable that.year
    8
    if (this.year != that.year)
    9
    return false;
    9
    return false;
    10
    return true;
    10
    return true;
    Precondition Violations (12)
    Row Violation
    1Type org.jfree.chart.block.GridArrangement does not match with type org.jfree.data.time.Week
    2Type int of variable this.columns does not match with type byte of variable this.week
    3Type int of variable that.columns does not match with type byte of variable that.week
    4Expression that.columns cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression that.week cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Type int of variable that.columns does not match with type byte of variable that.week
    7Type int of variable this.rows does not match with type short of variable this.year
    8Type int of variable that.rows does not match with type short of variable that.year
    9Expression that.rows cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Expression that.year cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Type int of variable that.rows does not match with type short of variable that.year
    12The refactoring of the clones is infeasible, because classes org.jfree.chart.block.GridArrangement and org.jfree.data.time.Week do not have a common superclass