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 MinMaxCategoryRenderer)) { return false; } MinMaxCategoryRenderer that = (MinMaxCategoryRenderer) obj; if (this.plotLines != that.plotLines) { return false; } if (!PaintUtilities.equal(this.groupPaint, that.groupPaint)) { return false; } if (!this.groupStroke.equals(that.groupStroke)) { 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/renderer/category/MinMaxCategoryRenderer.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 MinMaxCategoryRenderer)) {
5
            return false;   
5
            return false;
6
        }
6
        }
7
        ChartEntity that = (ChartEntity) obj;
7
        MinMaxCategoryRenderer that = (MinMaxCategoryRenderer) obj;
8
        if (!this.area.equals(that.area)) {
8
        if (this.plotLines != that.plotLines) {
9
            return false;   
9
            return false;
10
        }
10
        }
11
        if (!ObjectUtilities.equal(this.toolTipText, that.toolTipText)) {
11
        if (!PaintUtilities.equal(this.groupPaint, that.groupPaint)) {
12
            return false;   
12
            return false;
13
        }
13
        }
14
        if (!ObjectUtilities.equal(this.urlText, that.urlText)) {
14
        if (!this.groupStroke.equals(that.groupStroke)) {
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)2.0
Clones locationClones are in different classes
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)3.3
    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 MinMaxCategoryRenderer))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.entity.ChartEntityorg.jfree.chart.renderer.category.MinMaxCategoryRendererSUBCLASS_TYPE_MISMATCH
    3
    if (!(obj instanceof MinMaxCategoryRenderer))
    4
    return false;
    4
    return false;
    5
    ChartEntity that = (ChartEntity)obj;
    5
    ChartEntity that = (ChartEntity)obj;
    5
    MinMaxCategoryRenderer that = (MinMaxCategoryRenderer)obj;
    Differences
    Expression1Expression2Difference
    org.jfree.chart.entity.ChartEntityorg.jfree.chart.renderer.category.MinMaxCategoryRendererSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.entity.ChartEntityorg.jfree.chart.renderer.category.MinMaxCategoryRendererSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.entity.ChartEntityorg.jfree.chart.renderer.category.MinMaxCategoryRendererSUBCLASS_TYPE_MISMATCH
    5
    MinMaxCategoryRenderer that = (MinMaxCategoryRenderer)obj;
                                                                                  
    6
    if (this.plotLines != that.plotLines)
    Preondition Violations
    Unmatched statement if(this.plotLines != that.plotLines) cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    6
    if (this.plotLines != that.plotLines)
                                    
    7
    return false;
    Preondition Violations
    Unmatched return false;
    7
    return false;
    6
    if (!this.area.equals(that.area))
    6
    if (!this.area.equals(that.area))
    10
    if (!this.groupStroke.equals(that.groupStroke))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.entity.ChartEntityorg.jfree.chart.renderer.category.MinMaxCategoryRendererSUBCLASS_TYPE_MISMATCH
    areagroupStrokeVARIABLE_NAME_MISMATCH
    java.awt.Shapejava.awt.StrokeVARIABLE_TYPE_MISMATCH
    areagroupStrokeVARIABLE_NAME_MISMATCH
    java.awt.Shapejava.awt.StrokeVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Expression that.area cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.groupStroke 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.awt.Stroke of variable that.groupStroke
    • Make classes java.awt.Shape and java.awt.Stroke extend a common superclass
    Type java.awt.Shape of variable this.area does not match with type java.awt.Stroke of variable this.groupStroke
    • Make classes java.awt.Shape and java.awt.Stroke extend a common superclass
    10
    if (!this.groupStroke.equals(that.groupStroke))
    7
    return false;
    11
    return false;
    8
    if (!ObjectUtilities.equal(this.toolTipText, that.toolTipText))
    8
    if (!ObjectUtilities.equal(this.toolTipText, that.toolTipText))
    8
    if (!PaintUtilities.equal(this.groupPaint, that.groupPaint))
    Differences
    Expression1Expression2Difference
    toolTipTextgroupPaintVARIABLE_NAME_MISMATCH
    java.lang.Stringjava.awt.PaintVARIABLE_TYPE_MISMATCH
    org.jfree.chart.entity.ChartEntityorg.jfree.chart.renderer.category.MinMaxCategoryRendererSUBCLASS_TYPE_MISMATCH
    toolTipTextgroupPaintVARIABLE_NAME_MISMATCH
    java.lang.Stringjava.awt.PaintVARIABLE_TYPE_MISMATCH
    org.jfree.util.ObjectUtilitiesorg.jfree.util.PaintUtilitiesVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String of variable this.toolTipText does not match with type java.awt.Paint of variable this.groupPaint
    • Make classes java.lang.String and java.awt.Paint extend a common superclass
    Expression that.toolTipText cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.groupPaint 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.awt.Paint of variable that.groupPaint
    • Make classes java.lang.String and java.awt.Paint extend a common superclass
    Type org.jfree.util.ObjectUtilities does not match with type org.jfree.util.PaintUtilities
    • Make classes org.jfree.util.ObjectUtilities and org.jfree.util.PaintUtilities extend a common superclass
    8
    if (!PaintUtilities.equal(this.groupPaint, that.groupPaint))
    9
    return false;
    9
    return false;
    Precondition Violations (14)
    Row Violation
    1Unmatched statement if(this.plotLines != that.plotLines) cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2Unmatched return false;
    3Expression that.area cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression that.groupStroke 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.awt.Stroke of variable that.groupStroke
    6Type java.awt.Shape of variable this.area does not match with type java.awt.Stroke of variable this.groupStroke
    7Type java.lang.String of variable this.toolTipText does not match with type java.awt.Paint of variable this.groupPaint
    8Expression that.toolTipText cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9Expression that.groupPaint cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Type java.lang.String of variable that.toolTipText does not match with type java.awt.Paint of variable that.groupPaint
    11Type org.jfree.util.ObjectUtilities does not match with type org.jfree.util.PaintUtilities
    12Clone fragment #1 returns variable that with type org.jfree.chart.entity.ChartEntity , while Clone fragment #2 returns variable that with type org.jfree.chart.renderer.category.MinMaxCategoryRenderer
    13Not all possible execution flows end in a return statement
    14The refactoring of the clones is infeasible, because classes org.jfree.chart.entity.ChartEntity and org.jfree.chart.renderer.category.MinMaxCategoryRenderer do not have a common superclass