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 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/entity/ChartEntity.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 ChartEntity)) {
4
        if (!(obj instanceof LegendItemEntity)) {
5
            return false;   
5
            return false;
6
        }
6
        }
7
        ChartEntity that = (ChartEntity) obj;
7
        LegendItemEntity that = (LegendItemEntity) obj;
8
        if (!this.area.equals(that.area)) {
8
        if (!ObjectUtilities.equal(this.seriesKey, that.seriesKey)) {
9
            return false;   
9
            return false;
10
        }
10
        }
11
        if (!ObjectUtilities.equal(this.toolTipText, that.toolTipText)) {
11
        if (this.seriesIndex != that.seriesIndex) {
12
            return false;   
12
            return false;   
13
        }
13
        }
14
        if (!ObjectUtilities.equal(this.urlText, that.urlText)) {
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)1.6
Clones locationClones are in different classes having the same super class
Number of node comparisons47
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements9
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)67.3
    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 ChartEntity))
    3
    if (!(obj instanceof ChartEntity))
    3
    if (!(obj instanceof LegendItemEntity))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.entity.ChartEntityorg.jfree.chart.entity.LegendItemEntitySUBCLASS_TYPE_MISMATCH
    3
    if (!(obj instanceof LegendItemEntity))
    4
    return false;
    4
    return false;
    5
    ChartEntity that = (ChartEntity)obj;
    5
    ChartEntity that = (ChartEntity)obj;
    5
    LegendItemEntity that = (LegendItemEntity)obj;
    Differences
    Expression1Expression2Difference
    org.jfree.chart.entity.ChartEntityorg.jfree.chart.entity.LegendItemEntitySUBCLASS_TYPE_MISMATCH
    org.jfree.chart.entity.ChartEntityorg.jfree.chart.entity.LegendItemEntitySUBCLASS_TYPE_MISMATCH
    org.jfree.chart.entity.ChartEntityorg.jfree.chart.entity.LegendItemEntitySUBCLASS_TYPE_MISMATCH
    5
    LegendItemEntity that = (LegendItemEntity)obj;
    6
    if (!this.area.equals(that.area))
    6
    if (!this.area.equals(that.area))
    6
    if (!ObjectUtilities.equal(this.seriesKey, that.seriesKey))
    Differences
    Expression1Expression2Difference
    this.area.equals(that.area)ObjectUtilities.equal(this.seriesKey,that.seriesKey)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression this.area.equals(that.area) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression ObjectUtilities.equal(this.seriesKey,that.seriesKey) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6
    if (!ObjectUtilities.equal(this.seriesKey, that.seriesKey))
    7
    return false;
    7
    return false;
                                                                                          
    8
    if (this.seriesIndex != that.seriesIndex)
    Preondition Violations
    Unmatched statement if(this.seriesIndex != that.seriesIndex) cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    8
    if (this.seriesIndex != that.seriesIndex)
                                    
    9
    return false;
    Preondition Violations
    Unmatched return false;
    9
    return false;
    8
    if (!ObjectUtilities.equal(this.toolTipText, that.toolTipText))
    8
    if (!ObjectUtilities.equal(this.toolTipText, that.toolTipText))
    10
    if (!ObjectUtilities.equal(this.dataset, that.dataset))
    Differences
    Expression1Expression2Difference
    toolTipTextdatasetVARIABLE_NAME_MISMATCH
    java.lang.Stringorg.jfree.data.general.DatasetVARIABLE_TYPE_MISMATCH
    org.jfree.chart.entity.ChartEntityorg.jfree.chart.entity.LegendItemEntitySUBCLASS_TYPE_MISMATCH
    toolTipTextdatasetVARIABLE_NAME_MISMATCH
    java.lang.Stringorg.jfree.data.general.DatasetVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String of variable this.toolTipText does not match with type org.jfree.data.general.Dataset of variable this.dataset
    • Make classes java.lang.String and org.jfree.data.general.Dataset extend a common superclass
    Expression that.toolTipText 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.lang.String of variable that.toolTipText does not match with type org.jfree.data.general.Dataset of variable that.dataset
    • Make classes java.lang.String 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 (10)
    Row Violation
    1Expression this.area.equals(that.area) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression ObjectUtilities.equal(this.seriesKey,that.seriesKey) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Unmatched statement if(this.seriesIndex != that.seriesIndex) cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    4Unmatched return false;
    5Type java.lang.String of variable this.toolTipText does not match with type org.jfree.data.general.Dataset of variable this.dataset
    6Expression that.toolTipText cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression that.dataset cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Type java.lang.String of variable that.toolTipText does not match with type org.jfree.data.general.Dataset of variable that.dataset
    9Clone fragment #1 returns variable that with type org.jfree.chart.entity.ChartEntity , while Clone fragment #2 returns variable that with type org.jfree.chart.entity.LegendItemEntity
    10Not all possible execution flows end in a return statement