if (obj == this) { return true; } // now try to reject equality... if (!super.equals(obj)) { return false; } if (!(obj instanceof XYImageAnnotation)) { return false; } XYImageAnnotation that = (XYImageAnnotation) obj; if (this.x != that.x) { return false; } if (this.y != that.y) { return false; } if (!ObjectUtilities.equal(this.image, that.image)) { return false; } if (!this.anchor.equals(that.anchor)) { return false; } // seems to be the same... return true;
if (obj == this) { return true; } if (!(obj instanceof XYStepAreaRenderer)) { return false; } XYStepAreaRenderer that = (XYStepAreaRenderer) obj; if (this.showOutline != that.showOutline) { return false; } if (this.shapesVisible != that.shapesVisible) { return false; } if (this.shapesFilled != that.shapesFilled) { return false; } if (this.plotArea != that.plotArea) { return false; } if (this.rangeBase != that.rangeBase) { return false; } return super.equals(obj);
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/annotations/XYImageAnnotation.java File path: /jfreechart-1.0.10/src/org/jfree/chart/renderer/xy/XYStepAreaRenderer.java
Method name: boolean equals(Object) Method name: boolean equals(Object)
Number of AST nodes: 16 Number of AST nodes: 16
1
if (obj == this) {
1
if (obj == this) {
2
            return true;
2
            return true;
3
        }
3
        }
4
        // now try to reject equality...
5
        if (!super.equals(obj)) {
6
            return false;
7
        }
8
        if (!(obj instanceof XYImageAnnotation)) {
4
        if (!(obj instanceof XYStepAreaRenderer)) {
9
            return false;
5
            return false;
10
        }
6
        }
11
        XYImageAnnotation that = (XYImageAnnotation) obj;
7
        XY
12
        if (this.x != that.x
8
StepAreaRenderer that = (XYStepAreaRenderer) obj;
13
) {
9
        if (this.showOutline != that.showOutline) {
14
            return false;
10
            return false;
15
        }
11
        }
16
        if (this.y != that.y) {
12
        if (this.shapesVisible != that.shapesVisible) {
17
            return false;
13
            return false;
18
        }
14
        }
19
        if (!ObjectUtilities.equal(this.image, that.image)) {
15
        if (this.shapesFilled != that.shapesFilled) {
20
            return false;
16
            return false;
21
        }
17
        }
22
        if (!this.anchor.equals(that.anchor)) {
18
        if (this.plotArea != that.plotArea) {
23
            return false;
19
            return false;
24
        }
20
        }
25
        // seems to be the same...
21
        if (this.rangeBase != that.rangeBase) {
26
        return true
22
            return false;
23
        }
27
;
24
        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)4.2
Clones locationClones are in different classes
Number of node comparisons65
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements9
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)3.6
    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 (!super.equals(obj))
    3
    if (!super.equals(obj))
    3
    if (!(obj instanceof XYStepAreaRenderer))
    Differences
    Expression1Expression2Difference
    super.equals(obj)(obj instanceof XYStepAreaRenderer)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Super method call if(!super.equals(obj)) cannot be extracted from method
    3
    if (!(obj instanceof XYStepAreaRenderer))
    4
    return false;
    4
    return false;
    5
    if (!(obj instanceof XYImageAnnotation))
                                                                                        
    6
    return false;
    6
    return false;
    Preondition Violations
    Unmatched return false;
                                    
    7
    XYImageAnnotation that = (XYImageAnnotation)obj;
    7
    XYImageAnnotation that = (XYImageAnnotation)obj;
    5
    XYStepAreaRenderer that = (XYStepAreaRenderer)obj;
    Differences
    Expression1Expression2Difference
    org.jfree.chart.annotations.XYImageAnnotationorg.jfree.chart.renderer.xy.XYStepAreaRendererSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.annotations.XYImageAnnotationorg.jfree.chart.renderer.xy.XYStepAreaRendererSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.annotations.XYImageAnnotationorg.jfree.chart.renderer.xy.XYStepAreaRendererSUBCLASS_TYPE_MISMATCH
    5
    XYStepAreaRenderer that = (XYStepAreaRenderer)obj;
    8
    if (this.x != that.x)
    8
    if (this.x != that.x)
    8
    if (this.shapesVisible != that.shapesVisible)
    Differences
    Expression1Expression2Difference
    xshapesVisibleVARIABLE_NAME_MISMATCH
    doublebooleanVARIABLE_TYPE_MISMATCH
    org.jfree.chart.annotations.XYImageAnnotationorg.jfree.chart.renderer.xy.XYStepAreaRendererSUBCLASS_TYPE_MISMATCH
    xshapesVisibleVARIABLE_NAME_MISMATCH
    doublebooleanVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type double of variable this.x does not match with type boolean of variable this.shapesVisible
    Expression that.x cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.shapesVisible cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type double of variable that.x does not match with type boolean of variable that.shapesVisible
    8
    if (this.shapesVisible != that.shapesVisible)
    9
    return false;
    9
    return false;
    10
    if (this.y != that.y)
    10
    if (this.y != that.y)
    6
    if (this.showOutline != that.showOutline)
    Differences
    Expression1Expression2Difference
    yshowOutlineVARIABLE_NAME_MISMATCH
    doublebooleanVARIABLE_TYPE_MISMATCH
    org.jfree.chart.annotations.XYImageAnnotationorg.jfree.chart.renderer.xy.XYStepAreaRendererSUBCLASS_TYPE_MISMATCH
    yshowOutlineVARIABLE_NAME_MISMATCH
    doublebooleanVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type double of variable this.y does not match with type boolean of variable this.showOutline
    Expression that.y cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.showOutline cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type double of variable that.y does not match with type boolean of variable that.showOutline
    6
    if (this.showOutline != that.showOutline)
    11
    return false;
    7
    return false;
    Precondition Violations (13)
    Row Violation
    1Super method call if(!super.equals(obj)) cannot be extracted from method
    2Unmatched return false;
    3Type double of variable this.x does not match with type boolean of variable this.shapesVisible
    4Expression that.x cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression that.shapesVisible cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Type double of variable that.x does not match with type boolean of variable that.shapesVisible
    7Type double of variable this.y does not match with type boolean of variable this.showOutline
    8Expression that.y cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9Expression that.showOutline cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Type double of variable that.y does not match with type boolean of variable that.showOutline
    11Clone fragment #1 returns variable that with type org.jfree.chart.annotations.XYImageAnnotation , while Clone fragment #2 returns variable that with type org.jfree.chart.renderer.xy.XYStepAreaRenderer
    12Not all possible execution flows end in a return statement
    13The refactoring of the clones is infeasible, because classes org.jfree.chart.annotations.XYImageAnnotation and org.jfree.chart.renderer.xy.XYStepAreaRenderer do not have a common superclass