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 ValueDataset) { ValueDataset vd = (ValueDataset) obj; return ObjectUtilities.equal(this.value, vd.getValue()); } return false;
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/data/general/DefaultValueDataset.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 ValueDataset) {
5
            return false;
5
            
6
        }
7
        TickUnits that = (TickUnits) obj;
6
ValueDataset vd = (ValueDataset) obj;
8
        return that.tickUnits.equals(this.tickUnits)
7
            return ObjectUtilities.equal(this.value, vd.getValue());
8
        }
9
;
9
        return false;
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)0.3
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)3.3
    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 TickUnits))
    3
    if (!(obj instanceof TickUnits))
    3
    if (obj instanceof ValueDataset)
    Differences
    Expression1Expression2Difference
    !(obj instanceof TickUnits)obj instanceof ValueDatasetTYPE_COMPATIBLE_REPLACEMENT
    3
    if (obj instanceof ValueDataset)
                                                                              
    4
    ValueDataset vd = (ValueDataset)obj;
    Preondition Violations
    Unmatched statement ValueDataset vd=(ValueDataset)obj; cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    4
    ValueDataset vd = (ValueDataset)obj;
    4
    return false;
    4
    return false;
    5
    return ObjectUtilities.equal(this.value, vd.getValue());
    Differences
    Expression1Expression2Difference
    falseObjectUtilities.equal(this.value,vd.getValue())TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression ObjectUtilities.equal(this.value,vd.getValue()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5
    return ObjectUtilities.equal(this.value, vd.getValue());
    5
    TickUnits that = (TickUnits)obj;
                                                                      
    6
    return that.tickUnits.equals(this.tickUnits);
    6
    return that.tickUnits.equals(this.tickUnits);
    6
    return false;
    Differences
    Expression1Expression2Difference
    that.tickUnits.equals(this.tickUnits)falseTYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression that.tickUnits.equals(this.tickUnits) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6
    return false;
    Precondition Violations (4)
    Row Violation
    1Unmatched statement ValueDataset vd=(ValueDataset)obj; cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Expression ObjectUtilities.equal(this.value,vd.getValue()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression that.tickUnits.equals(this.tickUnits) 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.data.general.DefaultValueDataset do not have a common superclass