if (obj == this) { return true; } if (!(obj instanceof LegendItemCollection)) { return false; } LegendItemCollection that = (LegendItemCollection) obj; if (!this.items.equals(that.items)) { return false; } return true;
if (this == obj) { return true; } if (!(obj instanceof ChartChangeEventType)) { return false; } ChartChangeEventType that = (ChartChangeEventType) obj; if (!this.name.equals(that.toString())) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/LegendItemCollection.java File path: /jfreechart-1.0.10/src/org/jfree/chart/event/ChartChangeEventType.java
Method name: boolean equals(Object) Method name: boolean equals(Object)
Number of AST nodes: 8 Number of AST nodes: 8
1
if (obj == this) {
1
if (this == obj) {
2
            return true;
2
            return true;
3
        }
3
        }
4
        if (!(obj instanceof LegendItemCollection)) {
4
        if (!(obj instanceof ChartChangeEventType)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        LegendItemCollection that = (LegendItemCollection) obj;
7
        ChartChangeEventType that = (ChartChangeEventType) obj;
8
        if (!this.items.equals(that.items)) {
8
        if (!this.name.equals(that.toString())) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        return true;
11
        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)0.6
Clones locationClones are in different classes
Number of node comparisons12
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements2
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)0.5
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    3
    if (!(obj instanceof LegendItemCollection))
    3
    if (!(obj instanceof LegendItemCollection))
    3
    if (!(obj instanceof ChartChangeEventType))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.LegendItemCollectionorg.jfree.chart.event.ChartChangeEventTypeVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.LegendItemCollection does not match with type org.jfree.chart.event.ChartChangeEventType
    • Make classes org.jfree.chart.LegendItemCollection and org.jfree.chart.event.ChartChangeEventType extend a common superclass
    3
    if (!(obj instanceof ChartChangeEventType))
    4
    return false;
    4
    return false;
    Precondition Violations (2)
    Row Violation
    1Type org.jfree.chart.LegendItemCollection does not match with type org.jfree.chart.event.ChartChangeEventType
    2Not all possible execution flows end in a return statement