if (obj == this) { return true; } if (!(obj instanceof TickUnits)) { return false; } TickUnits that = (TickUnits) obj; return that.tickUnits.equals(this.tickUnits);
if (obj == this) { return true; } if (!(obj instanceof AbstractDialLayer)) { return false; } AbstractDialLayer that = (AbstractDialLayer) obj; return this.visible == that.visible;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/axis/TickUnits.java File path: /jfreechart-1.0.10/src/org/jfree/chart/plot/dial/AbstractDialLayer.java
Method name: boolean equals(Object) Method name: boolean equals(Object)
Number of AST nodes: 6 Number of AST nodes: 6
1
if (obj == this) {
1
if (obj == this) {
2
            return true;
2
            return true;
3
        }
3
        }
4
        if (!(obj instanceof TickUnits)) {
4
        if (!(obj instanceof AbstractDialLayer)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        TickUnits that = (TickUnits) obj;
7
        
8
        return that.tickUnits.equals(this.tickUnits)
8
AbstractDialLayer that = (AbstractDialLayer) obj;
9
;
9
        return this.visible == that.visible;
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)0.2
Clones locationClones are in different classes
Number of node comparisons14
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements5
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)2.5
    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 TickUnits))
    3
    if (!(obj instanceof TickUnits))
    3
    if (!(obj instanceof AbstractDialLayer))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.axis.TickUnitsorg.jfree.chart.plot.dial.AbstractDialLayerVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.TickUnits does not match with type org.jfree.chart.plot.dial.AbstractDialLayer
    • Make classes org.jfree.chart.axis.TickUnits and org.jfree.chart.plot.dial.AbstractDialLayer extend a common superclass
    3
    if (!(obj instanceof AbstractDialLayer))
    4
    return false;
    4
    return false;
                                                                                                      
    5
    AbstractDialLayer that = (AbstractDialLayer)obj;
    5
    TickUnits that = (TickUnits)obj;
                                                                      
    6
    return that.tickUnits.equals(this.tickUnits);
    6
    return that.tickUnits.equals(this.tickUnits);
    6
    return this.visible == that.visible;
    Differences
    Expression1Expression2Difference
    that.tickUnits.equals(this.tickUnits)this.visible == that.visibleTYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression that.tickUnits.equals(this.tickUnits) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression this.visible == that.visible cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6
    return this.visible == that.visible;
    Precondition Violations (4)
    Row Violation
    1Type org.jfree.chart.axis.TickUnits does not match with type org.jfree.chart.plot.dial.AbstractDialLayer
    2Expression that.tickUnits.equals(this.tickUnits) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression this.visible == that.visible cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4The refactoring of the clones is infeasible, because classes org.jfree.chart.axis.TickUnits and org.jfree.chart.plot.dial.AbstractDialLayer do not have a common superclass