if (obj == null) { return false; } if (!(obj instanceof DefaultPolarItemRenderer)) { return false; } DefaultPolarItemRenderer that = (DefaultPolarItemRenderer) obj; if (!this.seriesFilled.equals(that.seriesFilled)) { return false; } return super.equals(obj);
if (obj == this) { return true; } if (!(obj instanceof TaskSeriesCollection)) { return false; } TaskSeriesCollection that = (TaskSeriesCollection) obj; if (!ObjectUtilities.equal(this.data, that.data)) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/renderer/DefaultPolarItemRenderer.java File path: /jfreechart-1.0.10/src/org/jfree/data/gantt/TaskSeriesCollection.java
Method name: boolean equals(Object) Method name: boolean equals(Object)
Number of AST nodes: 8 Number of AST nodes: 8
1
if (obj == null) {
1
if (obj == this) {
2
            return false;
2
            return true;
3
        }
3
        }
4
        if (!(obj instanceof DefaultPolarItemRenderer)) {
4
        if (!(obj instanceof TaskSeriesCollection)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        DefaultPolarItemRenderer that = (DefaultPolarItemRenderer) obj;
7
        TaskSeriesCollection that = (TaskSeriesCollection) obj;
8
        if (!this.seriesFilled.equals(that.seriesFilled)) {
8
        if (!ObjectUtilities.equal(this.data, that.data)) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        return super.equals(obj);
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 comparisons25
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements7
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)2.2
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (obj == null)
    1
    if (obj == null)
    1
    if (obj == this)
    Differences
    Expression1Expression2Difference
    nullthisTYPE_COMPATIBLE_REPLACEMENT
    1
    if (obj == this)
    2
    return false;
    2
    return false;
    2
    return true;
    Differences
    Expression1Expression2Difference
    falsetrueLITERAL_VALUE_MISMATCH
    2
    return true;
    3
    if (!(obj instanceof DefaultPolarItemRenderer))
    3
    if (!(obj instanceof DefaultPolarItemRenderer))
    3
    if (!(obj instanceof TaskSeriesCollection))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.renderer.DefaultPolarItemRendererorg.jfree.data.gantt.TaskSeriesCollectionVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.renderer.DefaultPolarItemRenderer does not match with type org.jfree.data.gantt.TaskSeriesCollection
    • Make classes org.jfree.chart.renderer.DefaultPolarItemRenderer and org.jfree.data.gantt.TaskSeriesCollection extend a common superclass
    3
    if (!(obj instanceof TaskSeriesCollection))
    4
    return false;
    4
    return false;
                                                                                                                  
    5
    TaskSeriesCollection that = (TaskSeriesCollection)obj;
    5
    DefaultPolarItemRenderer that = (DefaultPolarItemRenderer)obj;
                                                                                                                                  
    6
    if (!this.seriesFilled.equals(that.seriesFilled))
    6
    if (!this.seriesFilled.equals(that.seriesFilled))
    6
    if (!ObjectUtilities.equal(this.data, that.data))
    Differences
    Expression1Expression2Difference
    this.seriesFilled.equals(that.seriesFilled)ObjectUtilities.equal(this.data,that.data)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression this.seriesFilled.equals(that.seriesFilled) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression ObjectUtilities.equal(this.data,that.data) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6
    if (!ObjectUtilities.equal(this.data, that.data))
    7
    return false;
    7
    return false;
    8
    return super.equals(obj);
    8
    return super.equals(obj);
    8
    return true;
    Differences
    Expression1Expression2Difference
    super.equals(obj)trueTYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Super method call return super.equals(obj); cannot be extracted from method
    8
    return true;
    Precondition Violations (4)
    Row Violation
    1Type org.jfree.chart.renderer.DefaultPolarItemRenderer does not match with type org.jfree.data.gantt.TaskSeriesCollection
    2Expression this.seriesFilled.equals(that.seriesFilled) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression ObjectUtilities.equal(this.data,that.data) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Super method call return super.equals(obj); cannot be extracted from method