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 XYBarDataset)) { return false; } XYBarDataset that = (XYBarDataset) obj; if (!this.underlying.equals(that.underlying)) { return false; } if (this.barWidth != that.barWidth) { 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/xy/XYBarDataset.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 XYBarDataset)) {
5
            return false;   
5
            return false;
6
        }
6
        }
7
        GridArrangement that = (GridArrangement) obj;
7
        XYBarDataset that = (XYBarDataset) obj;
8
        if (this.columns != that.columns) {
8
        if (!this.underlying.equals(that.underlying)) {
9
            return false;   
9
            return false;
10
        }
10
        }
11
        if (this.rows != that.rows) {
11
        if (this.barWidth != that.barWidth) {
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)1.3
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 fragment1
    Number of unmapped statements in the second code fragment3
    Time elapsed for statement mapping (ms)1.9
    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 GridArrangement))
    3
    if (!(obj instanceof GridArrangement))
    3
    if (!(obj instanceof XYBarDataset))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.block.GridArrangementorg.jfree.data.xy.XYBarDatasetVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.block.GridArrangement does not match with type org.jfree.data.xy.XYBarDataset
    • Make classes org.jfree.chart.block.GridArrangement and org.jfree.data.xy.XYBarDataset extend a common superclass
    3
    if (!(obj instanceof XYBarDataset))
    4
    return false;
    4
    return false;
                                                                                  
    5
    XYBarDataset that = (XYBarDataset)obj;
    5
    GridArrangement that = (GridArrangement)obj;
                                                                                              
                                                                                                  
    6
    if (!this.underlying.equals(that.underlying))
                                    
    7
    return false;
    Preondition Violations
    Unmatched return false;
    7
    return false;
    6
    if (this.columns != that.columns)
    6
    if (this.columns != that.columns)
    8
    if (this.barWidth != that.barWidth)
    Differences
    Expression1Expression2Difference
    columnsbarWidthVARIABLE_NAME_MISMATCH
    intdoubleVARIABLE_TYPE_MISMATCH
    org.jfree.chart.block.GridArrangementorg.jfree.data.xy.XYBarDatasetVARIABLE_TYPE_MISMATCH
    columnsbarWidthVARIABLE_NAME_MISMATCH
    intdoubleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type int of variable this.columns does not match with type double of variable this.barWidth
    Type int of variable that.columns does not match with type double of variable that.barWidth
    • Make classes org.jfree.chart.block.GridArrangement and org.jfree.data.xy.XYBarDataset extend a common superclass
    Expression that.columns cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.barWidth 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 double of variable that.barWidth
    8
    if (this.barWidth != that.barWidth)
    7
    return false;
    9
    return false;
    Precondition Violations (9)
    Row Violation
    1Type org.jfree.chart.block.GridArrangement does not match with type org.jfree.data.xy.XYBarDataset
    2Unmatched return false;
    3Type int of variable this.columns does not match with type double of variable this.barWidth
    4Type int of variable that.columns does not match with type double of variable that.barWidth
    5Expression that.columns cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression that.barWidth cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Type int of variable that.columns does not match with type double of variable that.barWidth
    8Not all possible execution flows end in a return statement
    9The refactoring of the clones is infeasible, because classes org.jfree.chart.block.GridArrangement and org.jfree.data.xy.XYBarDataset do not have a common superclass