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 ComparableObjectItem)) { return false; } ComparableObjectItem that = (ComparableObjectItem) obj; if (!this.x.equals(that.x)) { return false; } if (!ObjectUtilities.equal(this.obj, that.obj)) { 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/ComparableObjectItem.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 ComparableObjectItem)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        DialBackground that = (DialBackground) obj;
7
        ComparableObjectItem that = (ComparableObjectItem) 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.obj, that.obj)) {
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 ComparableObjectItem))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.plot.dial.DialBackgroundorg.jfree.data.ComparableObjectItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.plot.dial.DialBackground does not match with type org.jfree.data.ComparableObjectItem
    • Make classes org.jfree.chart.plot.dial.DialBackground and org.jfree.data.ComparableObjectItem extend a common superclass
    3
    if (!(obj instanceof ComparableObjectItem))
    4
    return false;
    4
    return false;
                                                                                                                  
    5
    ComparableObjectItem that = (ComparableObjectItem)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.obj, that.obj))
    Differences
    Expression1Expression2Difference
    paintobjVARIABLE_NAME_MISMATCH
    java.awt.Paintjava.lang.ObjectVARIABLE_TYPE_MISMATCH
    org.jfree.chart.plot.dial.DialBackgroundorg.jfree.data.ComparableObjectItemVARIABLE_TYPE_MISMATCH
    paintobjVARIABLE_NAME_MISMATCH
    java.awt.Paintjava.lang.ObjectVARIABLE_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.Object of variable this.obj
    • Make classes java.awt.Paint and java.lang.Object extend a common superclass
    Type java.awt.Paint of variable that.paint does not match with type java.lang.Object of variable that.obj
    • Make classes org.jfree.chart.plot.dial.DialBackground and org.jfree.data.ComparableObjectItem extend a common superclass
    Expression that.paint cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.obj 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.Object of variable that.obj
    • Make classes java.awt.Paint and java.lang.Object 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.obj, that.obj))
    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.ComparableObjectItemVARIABLE_TYPE_MISMATCH
    gradientPaintTransformerxVARIABLE_NAME_MISMATCH
    org.jfree.ui.GradientPaintTransformerjava.lang.ComparableVARIABLE_TYPE_MISMATCH
    gradientPaintTransformerxVARIABLE_NAME_MISMATCH
    org.jfree.ui.GradientPaintTransformerjava.lang.ComparableVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.ui.GradientPaintTransformer of variable that.gradientPaintTransformer does not match with type java.lang.Comparable of variable that.x
    • Make classes org.jfree.chart.plot.dial.DialBackground and org.jfree.data.ComparableObjectItem 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.Comparable of variable that.x
    • Make classes org.jfree.ui.GradientPaintTransformer and java.lang.Comparable extend a common superclass
    Type org.jfree.ui.GradientPaintTransformer of variable this.gradientPaintTransformer does not match with type java.lang.Comparable of variable this.x
    • Make classes org.jfree.ui.GradientPaintTransformer and java.lang.Comparable 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.ComparableObjectItem
    2Type java.awt.Paint of variable this.paint does not match with type java.lang.Object of variable this.obj
    3Type java.awt.Paint of variable that.paint does not match with type java.lang.Object of variable that.obj
    4Expression that.paint cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression that.obj 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.Object of variable that.obj
    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.Comparable 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.Comparable of variable that.x
    12Type org.jfree.ui.GradientPaintTransformer of variable this.gradientPaintTransformer does not match with type java.lang.Comparable 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.ComparableObjectItem do not have a common superclass