if (obj == this) { return true; } if (!(obj instanceof DialBackground)) { return false; } DialBackground that = (DialBackground) obj; if (!PaintUtilities.equal(this.paint, that.paint)) { return false; } if (!this.gradientPaintTransformer.equals( that.gradientPaintTransformer)) { return false; } return super.equals(obj);
if (obj == this) { return true; } if (!(obj instanceof HistogramDataset)) { return false; } HistogramDataset that = (HistogramDataset) obj; if (!ObjectUtilities.equal(this.type, that.type)) { return false; } if (!ObjectUtilities.equal(this.list, that.list)) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/plot/dial/DialBackground.java File path: /jfreechart-1.0.10/src/org/jfree/data/statistics/HistogramDataset.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 DialBackground)) {
4
        if (!(obj instanceof HistogramDataset)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        DialBackground that = (DialBackground) obj;
7
        HistogramDataset that = (HistogramDataset) obj;
8
        if (!PaintUtilities.equal(this.paint, that.paint)) {
8
        if (!ObjectUtilities.equal(this.type, that.type)) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        if (!this.gradientPaintTransformer.equals(
11
        if (!
12
                that.gradientPaintTransformer)) {
12
ObjectUtilities.equal(this.list, that.list)) {
13
            return false;
13
            return false;
14
        }
14
        }
15
        return super.equals(obj);
15
        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)1.9
Clones locationClones are in different classes
Number of node comparisons41
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements10
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)4.5
    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 DialBackground))
    3
    if (!(obj instanceof DialBackground))
    3
    if (!(obj instanceof HistogramDataset))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.plot.dial.DialBackgroundorg.jfree.data.statistics.HistogramDatasetSUBCLASS_TYPE_MISMATCH
    3
    if (!(obj instanceof HistogramDataset))
    4
    return false;
    4
    return false;
    5
    DialBackground that = (DialBackground)obj;
    5
    DialBackground that = (DialBackground)obj;
    5
    HistogramDataset that = (HistogramDataset)obj;
    Differences
    Expression1Expression2Difference
    org.jfree.chart.plot.dial.DialBackgroundorg.jfree.data.statistics.HistogramDatasetSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.plot.dial.DialBackgroundorg.jfree.data.statistics.HistogramDatasetSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.plot.dial.DialBackgroundorg.jfree.data.statistics.HistogramDatasetSUBCLASS_TYPE_MISMATCH
    5
    HistogramDataset that = (HistogramDataset)obj;
    6
    if (!PaintUtilities.equal(this.paint, that.paint))
    6
    if (!PaintUtilities.equal(this.paint, that.paint))
    6
    if (!ObjectUtilities.equal(this.type, that.type))
    Differences
    Expression1Expression2Difference
    painttypeVARIABLE_NAME_MISMATCH
    java.awt.Paintorg.jfree.data.statistics.HistogramTypeVARIABLE_TYPE_MISMATCH
    org.jfree.chart.plot.dial.DialBackgroundorg.jfree.data.statistics.HistogramDatasetSUBCLASS_TYPE_MISMATCH
    painttypeVARIABLE_NAME_MISMATCH
    java.awt.Paintorg.jfree.data.statistics.HistogramTypeVARIABLE_TYPE_MISMATCH
    org.jfree.util.PaintUtilitiesorg.jfree.util.ObjectUtilitiesVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.awt.Paint of variable this.paint does not match with type org.jfree.data.statistics.HistogramType of variable this.type
    • Make classes java.awt.Paint and org.jfree.data.statistics.HistogramType extend a common superclass
    Expression that.paint cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.type cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type java.awt.Paint of variable that.paint does not match with type org.jfree.data.statistics.HistogramType of variable that.type
    • Make classes java.awt.Paint and org.jfree.data.statistics.HistogramType extend a common superclass
    Type org.jfree.util.PaintUtilities does not match with type org.jfree.util.ObjectUtilities
    • Make classes org.jfree.util.PaintUtilities and org.jfree.util.ObjectUtilities extend a common superclass
    6
    if (!ObjectUtilities.equal(this.type, that.type))
    7
    return false;
    7
    return false;
    8
    if (!this.gradientPaintTransformer.equals(that.gradientPaintTransformer))
    8
    if (!this.gradientPaintTransformer.equals(that.gradientPaintTransformer))
    8
    if (!ObjectUtilities.equal(this.list, that.list))
    Differences
    Expression1Expression2Difference
    this.gradientPaintTransformer.equals(that.gradientPaintTransformer)ObjectUtilities.equal(this.list,that.list)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression this.gradientPaintTransformer.equals(that.gradientPaintTransformer) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression ObjectUtilities.equal(this.list,that.list) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8
    if (!ObjectUtilities.equal(this.list, that.list))
    9
    return false;
    9
    return false;
    10
    return super.equals(obj);
    10
    return super.equals(obj);
    10
    return true;
    Differences
    Expression1Expression2Difference
    super.equals(obj)trueTYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Super method call return super.equals(obj); cannot be extracted from method
    10
    return true;
    Precondition Violations (9)
    Row Violation
    1Type java.awt.Paint of variable this.paint does not match with type org.jfree.data.statistics.HistogramType of variable this.type
    2Expression that.paint cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression that.type cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Type java.awt.Paint of variable that.paint does not match with type org.jfree.data.statistics.HistogramType of variable that.type
    5Type org.jfree.util.PaintUtilities does not match with type org.jfree.util.ObjectUtilities
    6Expression this.gradientPaintTransformer.equals(that.gradientPaintTransformer) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression ObjectUtilities.equal(this.list,that.list) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Super method call return super.equals(obj); cannot be extracted from method
    9The refactoring of the clones is infeasible, because classes org.jfree.chart.plot.dial.DialBackground and org.jfree.data.statistics.HistogramDataset do not have a common superclass