if (obj == this) { return true; } if (!(obj instanceof PieSectionEntity)) { return false; } PieSectionEntity that = (PieSectionEntity) obj; if (!ObjectUtilities.equal(this.dataset, that.dataset)) { return false; } if (this.pieIndex != that.pieIndex) { return false; } if (this.sectionIndex != that.sectionIndex) { return false; } if (!ObjectUtilities.equal(this.sectionKey, that.sectionKey)) { return false; } return super.equals(obj);
if (obj == this) { return true; } if (!(obj instanceof XYAreaRenderer)) { return false; } XYAreaRenderer that = (XYAreaRenderer) obj; if (this.plotArea != that.plotArea) { return false; } if (this.plotLines != that.plotLines) { return false; } if (this.plotShapes != that.plotShapes) { return false; } if (this.showOutline != that.showOutline) { return false; } if (!ShapeUtilities.equal(this.legendArea, that.legendArea)) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/entity/PieSectionEntity.java File path: /jfreechart-1.0.10/src/org/jfree/chart/renderer/xy/XYAreaRenderer.java
Method name: boolean equals(Object) Method name: boolean equals(Object)
Number of AST nodes: 14 Number of AST nodes: 16
1
if (obj == this) {
1
if (obj == this) {
2
            return true;
2
            return true;   
3
        }
3
        }
4
        if (!(obj instanceof PieSectionEntity)) {
4
        if (!(obj instanceof XYAreaRenderer)) {
5
            return false;
5
            return false;   
6
        }
6
        }
7
        PieSectionEntity that = (PieSectionEntity) obj;
7
        
8
        if (!ObjectUtilities.equal(this.dataset, that.dataset)
8
XYAreaRenderer that = (XYAreaRenderer) obj;
9
        if (this.plotArea != that.plotArea) {
10
            return false;   
11
        }
9
) {
12
        if (this.plotLines != that.plotLines) {
10
            return false;
13
            return false;   
11
        }
14
        }
12
        if (this.pieIndex != that.pieIndex) {
15
        if (this.plotShapes != that.plotShapes) {
13
            return false;
16
            return false;   
14
        }
17
        }
15
        if (this.sectionIndex != that.sectionIndex) {
18
        if (this.showOutline != that.showOutline) {
16
            return false;
19
            return false;   
17
        }
20
        }
18
        if (!ObjectUtilities.equal(this.sectionKey, that.sectionKey)) {
21
        if (!ShapeUtilities.equal(this.legendArea, that.legendArea)) {
19
            return false;
22
            return false;   
20
        }
23
        }
21
        return super.equals(obj);
24
        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)3.9
Clones locationClones are in different classes
Number of node comparisons76
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements11
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment4
    Time elapsed for statement mapping (ms)5.5
    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 PieSectionEntity))
    3
    if (!(obj instanceof PieSectionEntity))
    3
    if (!(obj instanceof XYAreaRenderer))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.entity.PieSectionEntityorg.jfree.chart.renderer.xy.XYAreaRendererSUBCLASS_TYPE_MISMATCH
    3
    if (!(obj instanceof XYAreaRenderer))
    4
    return false;
    4
    return false;
    5
    PieSectionEntity that = (PieSectionEntity)obj;
    5
    PieSectionEntity that = (PieSectionEntity)obj;
    5
    XYAreaRenderer that = (XYAreaRenderer)obj;
    Differences
    Expression1Expression2Difference
    org.jfree.chart.entity.PieSectionEntityorg.jfree.chart.renderer.xy.XYAreaRendererSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.entity.PieSectionEntityorg.jfree.chart.renderer.xy.XYAreaRendererSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.entity.PieSectionEntityorg.jfree.chart.renderer.xy.XYAreaRendererSUBCLASS_TYPE_MISMATCH
    5
    XYAreaRenderer that = (XYAreaRenderer)obj;
                                                                              
    6
    if (this.plotArea != that.plotArea)
    Preondition Violations
    Unmatched statement if(this.plotArea != that.plotArea) cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    6
    if (this.plotArea != that.plotArea)
                                    
    7
    return false;
    Preondition Violations
    Unmatched return false;
    7
    return false;
    6
    if (!ObjectUtilities.equal(this.dataset, that.dataset))
    6
    if (!ObjectUtilities.equal(this.dataset, that.dataset))
    14
    if (!ShapeUtilities.equal(this.legendArea, that.legendArea))
    Differences
    Expression1Expression2Difference
    datasetlegendAreaVARIABLE_NAME_MISMATCH
    org.jfree.data.general.PieDatasetjava.awt.ShapeVARIABLE_TYPE_MISMATCH
    org.jfree.chart.entity.PieSectionEntityorg.jfree.chart.renderer.xy.XYAreaRendererSUBCLASS_TYPE_MISMATCH
    datasetlegendAreaVARIABLE_NAME_MISMATCH
    org.jfree.data.general.PieDatasetjava.awt.ShapeVARIABLE_TYPE_MISMATCH
    org.jfree.util.ObjectUtilitiesorg.jfree.util.ShapeUtilitiesVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.general.PieDataset of variable this.dataset does not match with type java.awt.Shape of variable this.legendArea
    • Make classes org.jfree.data.general.PieDataset and java.awt.Shape extend a common superclass
    Expression that.dataset cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.legendArea cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type org.jfree.data.general.PieDataset of variable that.dataset does not match with type java.awt.Shape of variable that.legendArea
    • Make classes org.jfree.data.general.PieDataset and java.awt.Shape extend a common superclass
    Type org.jfree.util.ObjectUtilities does not match with type org.jfree.util.ShapeUtilities
    • Make classes org.jfree.util.ObjectUtilities and org.jfree.util.ShapeUtilities extend a common superclass
    14
    if (!ShapeUtilities.equal(this.legendArea, that.legendArea))
    7
    return false;
    15
    return false;
    8
    if (this.pieIndex != that.pieIndex)
    8
    if (this.pieIndex != that.pieIndex)
    8
    if (this.plotLines != that.plotLines)
    Differences
    Expression1Expression2Difference
    pieIndexplotLinesVARIABLE_NAME_MISMATCH
    intbooleanVARIABLE_TYPE_MISMATCH
    org.jfree.chart.entity.PieSectionEntityorg.jfree.chart.renderer.xy.XYAreaRendererSUBCLASS_TYPE_MISMATCH
    pieIndexplotLinesVARIABLE_NAME_MISMATCH
    intbooleanVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type int of variable this.pieIndex does not match with type boolean of variable this.plotLines
    Expression that.pieIndex cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.plotLines cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type int of variable that.pieIndex does not match with type boolean of variable that.plotLines
    8
    if (this.plotLines != that.plotLines)
    9
    return false;
    9
    return false;
    10
    if (this.sectionIndex != that.sectionIndex)
    10
    if (this.sectionIndex != that.sectionIndex)
    10
    if (this.plotShapes != that.plotShapes)
    Differences
    Expression1Expression2Difference
    sectionIndexplotShapesVARIABLE_NAME_MISMATCH
    intbooleanVARIABLE_TYPE_MISMATCH
    org.jfree.chart.entity.PieSectionEntityorg.jfree.chart.renderer.xy.XYAreaRendererSUBCLASS_TYPE_MISMATCH
    sectionIndexplotShapesVARIABLE_NAME_MISMATCH
    intbooleanVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type int of variable this.sectionIndex does not match with type boolean of variable this.plotShapes
    Expression that.sectionIndex cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.plotShapes cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type int of variable that.sectionIndex does not match with type boolean of variable that.plotShapes
    10
    if (this.plotShapes != that.plotShapes)
    11
    return false;
    11
    return false;
                                                                                            
    12
    if (this.showOutline != that.showOutline)
    Preondition Violations
    Unmatched statement if(this.showOutline != that.showOutline) cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    12
    if (this.showOutline != that.showOutline)
                                      
    13
    return false;
    Preondition Violations
    Unmatched return false;
    13
    return false;
    Precondition Violations (20)
    Row Violation
    1Unmatched statement if(this.plotArea != that.plotArea) cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2Unmatched return false;
    3Type org.jfree.data.general.PieDataset of variable this.dataset does not match with type java.awt.Shape of variable this.legendArea
    4Expression that.dataset cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression that.legendArea cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Type org.jfree.data.general.PieDataset of variable that.dataset does not match with type java.awt.Shape of variable that.legendArea
    7Type org.jfree.util.ObjectUtilities does not match with type org.jfree.util.ShapeUtilities
    8Type int of variable this.pieIndex does not match with type boolean of variable this.plotLines
    9Expression that.pieIndex cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Expression that.plotLines cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Type int of variable that.pieIndex does not match with type boolean of variable that.plotLines
    12Type int of variable this.sectionIndex does not match with type boolean of variable this.plotShapes
    13Expression that.sectionIndex cannot be parameterized, because it has dependencies to/from statements that will be extracted
    14Expression that.plotShapes cannot be parameterized, because it has dependencies to/from statements that will be extracted
    15Type int of variable that.sectionIndex does not match with type boolean of variable that.plotShapes
    16Unmatched statement if(this.showOutline != that.showOutline) cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    17Unmatched return false;
    18Clone fragment #1 returns variable that with type org.jfree.chart.entity.PieSectionEntity , while Clone fragment #2 returns variable that with type org.jfree.chart.renderer.xy.XYAreaRenderer
    19Not all possible execution flows end in a return statement
    20The refactoring of the clones is infeasible, because classes org.jfree.chart.entity.PieSectionEntity and org.jfree.chart.renderer.xy.XYAreaRenderer do not have a common superclass