if (obj == this) { return true; } if (!(obj instanceof LineBorder)) { return false; } LineBorder that = (LineBorder) obj; if (!PaintUtilities.equal(this.paint, that.paint)) { return false; } if (!ObjectUtilities.equal(this.stroke, that.stroke)) { return false; } if (!this.insets.equals(that.insets)) { return false; } return true;
if (obj == this) { return true; } if (!(obj instanceof LegendItemEntity)) { return false; } LegendItemEntity that = (LegendItemEntity) obj; if (!ObjectUtilities.equal(this.seriesKey, that.seriesKey)) { return false; } if (this.seriesIndex != that.seriesIndex) { return false; } if (!ObjectUtilities.equal(this.dataset, that.dataset)) { return false; } return super.equals(obj);
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/block/LineBorder.java File path: /jfreechart-1.0.10/src/org/jfree/chart/entity/LegendItemEntity.java
Method name: boolean equals(Object) Method name: boolean equals(Object)
Number of AST nodes: 12 Number of AST nodes: 12
1
if (obj == this) {
1
if (obj == this) {
2
            return true;   
2
            return true;   
3
        }
3
        }
4
        if (!(obj instanceof LineBorder)) {
4
        if (!(obj instanceof LegendItemEntity)) {
5
            return false;   
5
            return false;
6
        }
6
        }
7
        LineBorder that = (LineBorder) obj;
7
        LegendItemEntity that = (LegendItemEntity) obj;
8
        if (!PaintUtilities.equal(this.paint, that.paint)) {
8
        if (!ObjectUtilities.equal(this.seriesKey, that.seriesKey)) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        if (!ObjectUtilities.equal(this.stroke, that.stroke)) {
11
        if (this.seriesIndex != that.seriesIndex) {
12
            return false;
12
            return false;   
13
        }
13
        }
14
        if (!this.insets.equals(that.insets)) {
14
        if (!ObjectUtilities.equal(this.dataset, that.dataset)) {
15
            return false;
15
            return false;
16
        }
16
        }
17
        return true;
17
        return super.equals(obj);
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)1.8
Clones locationClones are in different classes
Number of node comparisons47
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements8
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment3
    Time elapsed for statement mapping (ms)2.3
    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 LineBorder))
    3
    if (!(obj instanceof LineBorder))
    3
    if (!(obj instanceof LegendItemEntity))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.block.LineBorderorg.jfree.chart.entity.LegendItemEntityVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.block.LineBorder does not match with type org.jfree.chart.entity.LegendItemEntity
    • Make classes org.jfree.chart.block.LineBorder and org.jfree.chart.entity.LegendItemEntity extend a common superclass
    3
    if (!(obj instanceof LegendItemEntity))
    4
    return false;
    4
    return false;
                                                                                                  
    5
    LegendItemEntity that = (LegendItemEntity)obj;
    5
    LineBorder that = (LineBorder)obj;
                                                                          
    6
    if (!PaintUtilities.equal(this.paint, that.paint))
    6
    if (!PaintUtilities.equal(this.paint, that.paint))
    6
    if (!ObjectUtilities.equal(this.seriesKey, that.seriesKey))
    Differences
    Expression1Expression2Difference
    paintseriesKeyVARIABLE_NAME_MISMATCH
    java.awt.Paintjava.lang.ComparableVARIABLE_TYPE_MISMATCH
    org.jfree.chart.block.LineBorderorg.jfree.chart.entity.LegendItemEntityVARIABLE_TYPE_MISMATCH
    paintseriesKeyVARIABLE_NAME_MISMATCH
    java.awt.Paintjava.lang.ComparableVARIABLE_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.lang.Comparable of variable this.seriesKey
    • Make classes java.awt.Paint and java.lang.Comparable extend a common superclass
    Type java.awt.Paint of variable that.paint does not match with type java.lang.Comparable of variable that.seriesKey
    • Make classes org.jfree.chart.block.LineBorder and org.jfree.chart.entity.LegendItemEntity extend a common superclass
    Expression that.paint cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.seriesKey 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.lang.Comparable of variable that.seriesKey
    • Make classes java.awt.Paint and java.lang.Comparable 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.seriesKey, that.seriesKey))
    7
    return false;
    7
    return false;
                                                                                          
    8
    if (this.seriesIndex != that.seriesIndex)
                                    
    9
    return false;
    Preondition Violations
    Unmatched return false;
    9
    return false;
    8
    if (!ObjectUtilities.equal(this.stroke, that.stroke))
    8
    if (!ObjectUtilities.equal(this.stroke, that.stroke))
    10
    if (!ObjectUtilities.equal(this.dataset, that.dataset))
    Differences
    Expression1Expression2Difference
    strokedatasetVARIABLE_NAME_MISMATCH
    java.awt.Strokeorg.jfree.data.general.DatasetVARIABLE_TYPE_MISMATCH
    org.jfree.chart.block.LineBorderorg.jfree.chart.entity.LegendItemEntityVARIABLE_TYPE_MISMATCH
    strokedatasetVARIABLE_NAME_MISMATCH
    java.awt.Strokeorg.jfree.data.general.DatasetVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.awt.Stroke of variable this.stroke does not match with type org.jfree.data.general.Dataset of variable this.dataset
    • Make classes java.awt.Stroke and org.jfree.data.general.Dataset extend a common superclass
    Type java.awt.Stroke of variable that.stroke does not match with type org.jfree.data.general.Dataset of variable that.dataset
    • Make classes org.jfree.chart.block.LineBorder and org.jfree.chart.entity.LegendItemEntity extend a common superclass
    Expression that.stroke cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.dataset cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type java.awt.Stroke of variable that.stroke does not match with type org.jfree.data.general.Dataset of variable that.dataset
    • Make classes java.awt.Stroke and org.jfree.data.general.Dataset extend a common superclass
    10
    if (!ObjectUtilities.equal(this.dataset, that.dataset))
    9
    return false;
    11
    return false;
    Precondition Violations (15)
    Row Violation
    1Type org.jfree.chart.block.LineBorder does not match with type org.jfree.chart.entity.LegendItemEntity
    2Type java.awt.Paint of variable this.paint does not match with type java.lang.Comparable of variable this.seriesKey
    3Type java.awt.Paint of variable that.paint does not match with type java.lang.Comparable of variable that.seriesKey
    4Expression that.paint cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression that.seriesKey cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Type java.awt.Paint of variable that.paint does not match with type java.lang.Comparable of variable that.seriesKey
    7Type org.jfree.util.PaintUtilities does not match with type org.jfree.util.ObjectUtilities
    8Unmatched return false;
    9Type java.awt.Stroke of variable this.stroke does not match with type org.jfree.data.general.Dataset of variable this.dataset
    10Type java.awt.Stroke of variable that.stroke does not match with type org.jfree.data.general.Dataset of variable that.dataset
    11Expression that.stroke cannot be parameterized, because it has dependencies to/from statements that will be extracted
    12Expression that.dataset cannot be parameterized, because it has dependencies to/from statements that will be extracted
    13Type java.awt.Stroke of variable that.stroke does not match with type org.jfree.data.general.Dataset of variable that.dataset
    14Not all possible execution flows end in a return statement
    15The refactoring of the clones is infeasible, because classes org.jfree.chart.block.LineBorder and org.jfree.chart.entity.LegendItemEntity do not have a common superclass