if (obj == this) { return true; } if (!(obj instanceof ChartEntity)) { return false; } ChartEntity that = (ChartEntity) obj; if (!this.area.equals(that.area)) { return false; } if (!ObjectUtilities.equal(this.toolTipText, that.toolTipText)) { return false; } if (!ObjectUtilities.equal(this.urlText, that.urlText)) { return false; } return true;
if (obj == this) { return true; } if (!(obj instanceof DefaultBoxAndWhiskerXYDataset)) { return false; } DefaultBoxAndWhiskerXYDataset that = (DefaultBoxAndWhiskerXYDataset) obj; if (!ObjectUtilities.equal(this.seriesKey, that.seriesKey)) { return false; } if (!this.dates.equals(that.dates)) { return false; } if (!this.items.equals(that.items)) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/entity/ChartEntity.java File path: /jfreechart-1.0.10/src/org/jfree/data/statistics/DefaultBoxAndWhiskerXYDataset.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 ChartEntity)) {
4
        if (!(obj instanceof DefaultBoxAndWhiskerXYDataset)) {
5
            return false;   
5
            return false;
6
        }
6
        }
7
        ChartEntity that = (ChartEntity
7
        DefaultBoxAndWhiskerXYDataset that 
8
) obj;
8
                = (DefaultBoxAndWhiskerXYDataset) obj;
9
        if (!this.area.equals(that.area)) {
9
        if (!ObjectUtilities.equal(this.seriesKey, that.seriesKey)) {
10
            return false;   
10
            return false;
11
        }
11
        }
12
        if (!ObjectUtilities.equal(this.toolTipText, that.toolTipText)) {
12
        if (!this.dates.equals(that.dates)) {
13
            return false;   
13
            return false;
14
        }
14
        }
15
        if (!ObjectUtilities.equal(this.urlText, that.urlText)) {
15
        if (!this.items.equals(that.items)) {
16
            return false;   
16
            return false;
17
        }
17
        }
18
        return true;
18
        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)2.5
Clones locationClones are in different classes
Number of node comparisons62
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements11
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)4.8
    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 ChartEntity))
    3
    if (!(obj instanceof ChartEntity))
    3
    if (!(obj instanceof DefaultBoxAndWhiskerXYDataset))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.entity.ChartEntityorg.jfree.data.statistics.DefaultBoxAndWhiskerXYDatasetVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.entity.ChartEntity does not match with type org.jfree.data.statistics.DefaultBoxAndWhiskerXYDataset
    • Make classes org.jfree.chart.entity.ChartEntity and org.jfree.data.statistics.DefaultBoxAndWhiskerXYDataset extend a common superclass
    3
    if (!(obj instanceof DefaultBoxAndWhiskerXYDataset))
    4
    return false;
    4
    return false;
                                                                                                                                                      
    5
    DefaultBoxAndWhiskerXYDataset that = (DefaultBoxAndWhiskerXYDataset)obj;
    5
    ChartEntity that = (ChartEntity)obj;
                                                                              
    6
    if (!this.area.equals(that.area))
    6
    if (!this.area.equals(that.area))
    8
    if (!this.dates.equals(that.dates))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.entity.ChartEntityorg.jfree.data.statistics.DefaultBoxAndWhiskerXYDatasetVARIABLE_TYPE_MISMATCH
    areadatesVARIABLE_NAME_MISMATCH
    java.awt.Shapejava.util.ListVARIABLE_TYPE_MISMATCH
    areadatesVARIABLE_NAME_MISMATCH
    java.awt.Shapejava.util.ListVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.awt.Shape of variable that.area does not match with type java.util.List of variable that.dates
    • Make classes org.jfree.chart.entity.ChartEntity and org.jfree.data.statistics.DefaultBoxAndWhiskerXYDataset extend a common superclass
    Expression that.area cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.dates cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type java.awt.Shape of variable that.area does not match with type java.util.List of variable that.dates
    • Make classes java.awt.Shape and java.util.List extend a common superclass
    Type java.awt.Shape of variable this.area does not match with type java.util.List of variable this.dates
    • Make classes java.awt.Shape and java.util.List extend a common superclass
    8
    if (!this.dates.equals(that.dates))
    7
    return false;
    9
    return false;
    8
    if (!ObjectUtilities.equal(this.toolTipText, that.toolTipText))
    8
    if (!ObjectUtilities.equal(this.toolTipText, that.toolTipText))
    6
    if (!ObjectUtilities.equal(this.seriesKey, that.seriesKey))
    Differences
    Expression1Expression2Difference
    toolTipTextseriesKeyVARIABLE_NAME_MISMATCH
    java.lang.Stringjava.lang.ComparableVARIABLE_TYPE_MISMATCH
    org.jfree.chart.entity.ChartEntityorg.jfree.data.statistics.DefaultBoxAndWhiskerXYDatasetVARIABLE_TYPE_MISMATCH
    toolTipTextseriesKeyVARIABLE_NAME_MISMATCH
    java.lang.Stringjava.lang.ComparableVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String of variable this.toolTipText does not match with type java.lang.Comparable of variable this.seriesKey
    • Make classes java.lang.String and java.lang.Comparable extend a common superclass
    Type java.lang.String of variable that.toolTipText does not match with type java.lang.Comparable of variable that.seriesKey
    • Make classes org.jfree.chart.entity.ChartEntity and org.jfree.data.statistics.DefaultBoxAndWhiskerXYDataset extend a common superclass
    Expression that.toolTipText 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.lang.String of variable that.toolTipText does not match with type java.lang.Comparable of variable that.seriesKey
    • Make classes java.lang.String and java.lang.Comparable extend a common superclass
    6
    if (!ObjectUtilities.equal(this.seriesKey, that.seriesKey))
    9
    return false;
    7
    return false;
    10
    if (!ObjectUtilities.equal(this.urlText, that.urlText))
    10
    if (!ObjectUtilities.equal(this.urlText, that.urlText))
    10
    if (!this.items.equals(that.items))
    Differences
    Expression1Expression2Difference
    ObjectUtilities.equal(this.urlText,that.urlText)this.items.equals(that.items)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression ObjectUtilities.equal(this.urlText,that.urlText) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression this.items.equals(that.items) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10
    if (!this.items.equals(that.items))
    11
    return false;
    11
    return false;
    12
    return true;
    12
    return true;
    Precondition Violations (14)
    Row Violation
    1Type org.jfree.chart.entity.ChartEntity does not match with type org.jfree.data.statistics.DefaultBoxAndWhiskerXYDataset
    2Type java.awt.Shape of variable that.area does not match with type java.util.List of variable that.dates
    3Expression that.area cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression that.dates cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Type java.awt.Shape of variable that.area does not match with type java.util.List of variable that.dates
    6Type java.awt.Shape of variable this.area does not match with type java.util.List of variable this.dates
    7Type java.lang.String of variable this.toolTipText does not match with type java.lang.Comparable of variable this.seriesKey
    8Type java.lang.String of variable that.toolTipText does not match with type java.lang.Comparable of variable that.seriesKey
    9Expression that.toolTipText cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Expression that.seriesKey cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Type java.lang.String of variable that.toolTipText does not match with type java.lang.Comparable of variable that.seriesKey
    12Expression ObjectUtilities.equal(this.urlText,that.urlText) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    13Expression this.items.equals(that.items) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    14The refactoring of the clones is infeasible, because classes org.jfree.chart.entity.ChartEntity and org.jfree.data.statistics.DefaultBoxAndWhiskerXYDataset do not have a common superclass