if (obj == this) { return true; } if (!(obj instanceof DialBackground)) { return false; } DialBackground that = (DialBackground) obj; if (!PaintUtilities.equal(this.paint, that.paint)) { return false; } if (!this.gradientPaintTransformer.equals( that.gradientPaintTransformer)) { return false; } return super.equals(obj);
if (obj == this) { return true; } if (!(obj instanceof XYDataItem)) { return false; } XYDataItem that = (XYDataItem) obj; if (!this.x.equals(that.x)) { return false; } if (!ObjectUtilities.equal(this.y, that.y)) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/plot/dial/DialBackground.java File path: /jfreechart-1.0.10/src/org/jfree/data/xy/XYDataItem.java
Method name: boolean equals(Object) Method name: boolean equals(Object)
Number of AST nodes: 10 Number of AST nodes: 10
1
if (obj == this) {
1
if (obj == this) {
2
            return true;
2
            return true;
3
        }
3
        }
4
        if (!(obj instanceof DialBackground)) {
4
        if (!(obj instanceof XYDataItem)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        DialBackground that = (DialBackground) obj;
7
        XYDataItem that = (XYDataItem) obj;
8
        if (!PaintUtilities.equal(this.paint, that.paint)) {
8
        if (!this.x.equals(that.x)) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        if (!this.gradientPaintTransformer.equals(
11
        if (!
12
                that.gradientPaintTransformer)) {
12
ObjectUtilities.equal(this.y, that.y)) {
13
            return false;
13
            return false;
14
        }
14
        }
15
        return super.equals(obj);
15
        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)1.2
Clones locationClones are in different classes
Number of node comparisons41
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements9
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)2.5
    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 DialBackground))
    3
    if (!(obj instanceof DialBackground))
    3
    if (!(obj instanceof XYDataItem))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.plot.dial.DialBackgroundorg.jfree.data.xy.XYDataItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.plot.dial.DialBackground does not match with type org.jfree.data.xy.XYDataItem
    • Make classes org.jfree.chart.plot.dial.DialBackground and org.jfree.data.xy.XYDataItem extend a common superclass
    3
    if (!(obj instanceof XYDataItem))
    4
    return false;
    4
    return false;
                                                                          
    5
    XYDataItem that = (XYDataItem)obj;
    5
    DialBackground that = (DialBackground)obj;
                                                                                          
    6
    if (!PaintUtilities.equal(this.paint, that.paint))
    6
    if (!PaintUtilities.equal(this.paint, that.paint))
    8
    if (!ObjectUtilities.equal(this.y, that.y))
    Differences
    Expression1Expression2Difference
    paintyVARIABLE_NAME_MISMATCH
    java.awt.Paintjava.lang.NumberVARIABLE_TYPE_MISMATCH
    org.jfree.chart.plot.dial.DialBackgroundorg.jfree.data.xy.XYDataItemVARIABLE_TYPE_MISMATCH
    paintyVARIABLE_NAME_MISMATCH
    java.awt.Paintjava.lang.NumberVARIABLE_TYPE_MISMATCH
    org.jfree.util.PaintUtilitiesorg.jfree.util.ObjectUtilitiesVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.awt.Paint of variable this.paint does not match with type java.lang.Number of variable this.y
    • Make classes java.awt.Paint and java.lang.Number extend a common superclass
    Type java.awt.Paint of variable that.paint does not match with type java.lang.Number of variable that.y
    • Make classes org.jfree.chart.plot.dial.DialBackground and org.jfree.data.xy.XYDataItem extend a common superclass
    Expression that.paint cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.y cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type java.awt.Paint of variable that.paint does not match with type java.lang.Number of variable that.y
    • Make classes java.awt.Paint and java.lang.Number extend a common superclass
    Type org.jfree.util.PaintUtilities does not match with type org.jfree.util.ObjectUtilities
    • Make classes org.jfree.util.PaintUtilities and org.jfree.util.ObjectUtilities extend a common superclass
    8
    if (!ObjectUtilities.equal(this.y, that.y))
    7
    return false;
    9
    return false;
    8
    if (!this.gradientPaintTransformer.equals(that.gradientPaintTransformer))
    8
    if (!this.gradientPaintTransformer.equals(that.gradientPaintTransformer))
    6
    if (!this.x.equals(that.x))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.plot.dial.DialBackgroundorg.jfree.data.xy.XYDataItemVARIABLE_TYPE_MISMATCH
    gradientPaintTransformerxVARIABLE_NAME_MISMATCH
    org.jfree.ui.GradientPaintTransformerjava.lang.NumberVARIABLE_TYPE_MISMATCH
    gradientPaintTransformerxVARIABLE_NAME_MISMATCH
    org.jfree.ui.GradientPaintTransformerjava.lang.NumberVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.ui.GradientPaintTransformer of variable that.gradientPaintTransformer does not match with type java.lang.Number of variable that.x
    • Make classes org.jfree.chart.plot.dial.DialBackground and org.jfree.data.xy.XYDataItem extend a common superclass
    Expression that.gradientPaintTransformer cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.x cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type org.jfree.ui.GradientPaintTransformer of variable that.gradientPaintTransformer does not match with type java.lang.Number of variable that.x
    • Make classes org.jfree.ui.GradientPaintTransformer and java.lang.Number extend a common superclass
    Type org.jfree.ui.GradientPaintTransformer of variable this.gradientPaintTransformer does not match with type java.lang.Number of variable this.x
    • Make classes org.jfree.ui.GradientPaintTransformer and java.lang.Number extend a common superclass
    6
    if (!this.x.equals(that.x))
    9
    return false;
    7
    return false;
    10
    return super.equals(obj);
    10
    return super.equals(obj);
    10
    return true;
    Differences
    Expression1Expression2Difference
    super.equals(obj)trueTYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Super method call return super.equals(obj); cannot be extracted from method
    10
    return true;
    Precondition Violations (14)
    Row Violation
    1Type org.jfree.chart.plot.dial.DialBackground does not match with type org.jfree.data.xy.XYDataItem
    2Type java.awt.Paint of variable this.paint does not match with type java.lang.Number of variable this.y
    3Type java.awt.Paint of variable that.paint does not match with type java.lang.Number of variable that.y
    4Expression that.paint cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression that.y cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Type java.awt.Paint of variable that.paint does not match with type java.lang.Number of variable that.y
    7Type org.jfree.util.PaintUtilities does not match with type org.jfree.util.ObjectUtilities
    8Type org.jfree.ui.GradientPaintTransformer of variable that.gradientPaintTransformer does not match with type java.lang.Number of variable that.x
    9Expression that.gradientPaintTransformer cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Expression that.x cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Type org.jfree.ui.GradientPaintTransformer of variable that.gradientPaintTransformer does not match with type java.lang.Number of variable that.x
    12Type org.jfree.ui.GradientPaintTransformer of variable this.gradientPaintTransformer does not match with type java.lang.Number of variable this.x
    13Super method call return super.equals(obj); cannot be extracted from method
    14The refactoring of the clones is infeasible, because classes org.jfree.chart.plot.dial.DialBackground and org.jfree.data.xy.XYDataItem do not have a common superclass