if (obj == this) { return true; } if (!(obj instanceof BlockBorder)) { return false; } BlockBorder that = (BlockBorder) obj; if (!this.insets.equals(that.insets)) { return false; } if (!PaintUtilities.equal(this.paint, that.paint)) { return false; } return true;
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/block/BlockBorder.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 BlockBorder)) {
4
        if (!(obj instanceof HistogramDataset)) {
5
            return false;   
5
            return false;
6
        }
6
        }
7
        BlockBorder that = (BlockBorder) obj;
7
        HistogramDataset that = (HistogramDataset) obj;
8
        if (!this.insets.equals(that.insets)) {
8
        if (!ObjectUtilities.equal(this.type, that.type)) {
9
            return false;   
9
            return false;
10
        }
10
        }
11
        if (!PaintUtilities.equal(this.paint, that.paint)) {
11
        if (!ObjectUtilities.equal(this.list, that.list)) {
12
            return false;
12
            return false;
13
        }
13
        }
14
        return true;
14
        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)3.8
Clones locationClones are in different classes
Number of node comparisons41
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements9
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)3.6
    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 BlockBorder))
    3
    if (!(obj instanceof BlockBorder))
    3
    if (!(obj instanceof HistogramDataset))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.block.BlockBorderorg.jfree.data.statistics.HistogramDatasetVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.block.BlockBorder does not match with type org.jfree.data.statistics.HistogramDataset
    • Make classes org.jfree.chart.block.BlockBorder and org.jfree.data.statistics.HistogramDataset extend a common superclass
    3
    if (!(obj instanceof HistogramDataset))
    4
    return false;
    4
    return false;
                                                                                                  
    5
    HistogramDataset that = (HistogramDataset)obj;
    5
    BlockBorder that = (BlockBorder)obj;
                                                                              
    6
    if (!this.insets.equals(that.insets))
    6
    if (!this.insets.equals(that.insets))
    6
    if (!ObjectUtilities.equal(this.type, that.type))
    Differences
    Expression1Expression2Difference
    this.insets.equals(that.insets)ObjectUtilities.equal(this.type,that.type)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression this.insets.equals(that.insets) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression ObjectUtilities.equal(this.type,that.type) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6
    if (!ObjectUtilities.equal(this.type, that.type))
    7
    return false;
    7
    return false;
    8
    if (!PaintUtilities.equal(this.paint, that.paint))
    8
    if (!PaintUtilities.equal(this.paint, that.paint))
    8
    if (!ObjectUtilities.equal(this.list, that.list))
    Differences
    Expression1Expression2Difference
    paintlistVARIABLE_NAME_MISMATCH
    java.awt.Paintjava.util.ListVARIABLE_TYPE_MISMATCH
    org.jfree.chart.block.BlockBorderorg.jfree.data.statistics.HistogramDatasetVARIABLE_TYPE_MISMATCH
    paintlistVARIABLE_NAME_MISMATCH
    java.awt.Paintjava.util.ListVARIABLE_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 java.util.List of variable this.list
    • Make classes java.awt.Paint and java.util.List extend a common superclass
    Type java.awt.Paint of variable that.paint does not match with type java.util.List of variable that.list
    • Make classes org.jfree.chart.block.BlockBorder and org.jfree.data.statistics.HistogramDataset extend a common superclass
    Expression that.paint cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.list 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 java.util.List of variable that.list
    • Make classes java.awt.Paint and java.util.List 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
    8
    if (!ObjectUtilities.equal(this.list, that.list))
    9
    return false;
    9
    return false;
    10
    return true;
    10
    return true;
    Precondition Violations (10)
    Row Violation
    1Type org.jfree.chart.block.BlockBorder does not match with type org.jfree.data.statistics.HistogramDataset
    2Expression this.insets.equals(that.insets) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression ObjectUtilities.equal(this.type,that.type) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Type java.awt.Paint of variable this.paint does not match with type java.util.List of variable this.list
    5Type java.awt.Paint of variable that.paint does not match with type java.util.List of variable that.list
    6Expression that.paint cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression that.list cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Type java.awt.Paint of variable that.paint does not match with type java.util.List of variable that.list
    9Type org.jfree.util.PaintUtilities does not match with type org.jfree.util.ObjectUtilities
    10The refactoring of the clones is infeasible, because classes org.jfree.chart.block.BlockBorder and org.jfree.data.statistics.HistogramDataset do not have a common superclass