if (obj == this) { return true; } if (!(obj instanceof BlockBorder)) { return false; } BlockBorder that = (BlockBorder) obj; if (!this.insets.equals(that.insets)) { return false; } if (!PaintUtilities.equal(this.paint, that.paint)) { return false; } return true;
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/block/BlockBorder.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 BlockBorder)) {
4
        if (!(obj instanceof ComparableObjectItem)) {
5
            return false;   
5
            return false;
6
        }
6
        }
7
        BlockBorder that = (BlockBorder) obj;
7
        ComparableObjectItem that = (ComparableObjectItem) obj;
8
        if (!this.insets.equals(that.insets)) {
8
        if (!this.x.equals(that.x)) {
9
            return false;   
9
            return false;
10
        }
10
        }
11
        if (!PaintUtilities.equal(this.paint, that.paint)) {
11
        if (!ObjectUtilities.equal(this.obj, that.obj)) {
12
            return false;
12
            return false;
13
        }
13
        }
14
        return true;
14
        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)1.0
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)2.1
    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 BlockBorder))
    3
    if (!(obj instanceof BlockBorder))
    3
    if (!(obj instanceof ComparableObjectItem))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.block.BlockBorderorg.jfree.data.ComparableObjectItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.block.BlockBorder does not match with type org.jfree.data.ComparableObjectItem
    • Make classes org.jfree.chart.block.BlockBorder 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
    BlockBorder that = (BlockBorder)obj;
                                                                              
    6
    if (!this.insets.equals(that.insets))
    6
    if (!this.insets.equals(that.insets))
    6
    if (!this.x.equals(that.x))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.block.BlockBorderorg.jfree.data.ComparableObjectItemVARIABLE_TYPE_MISMATCH
    insetsxVARIABLE_NAME_MISMATCH
    org.jfree.ui.RectangleInsetsjava.lang.ComparableVARIABLE_TYPE_MISMATCH
    insetsxVARIABLE_NAME_MISMATCH
    org.jfree.ui.RectangleInsetsjava.lang.ComparableVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.ui.RectangleInsets of variable that.insets does not match with type java.lang.Comparable of variable that.x
    • Make classes org.jfree.chart.block.BlockBorder and org.jfree.data.ComparableObjectItem extend a common superclass
    Expression that.insets 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.RectangleInsets of variable that.insets does not match with type java.lang.Comparable of variable that.x
    • Make classes org.jfree.ui.RectangleInsets and java.lang.Comparable extend a common superclass
    Type org.jfree.ui.RectangleInsets of variable this.insets does not match with type java.lang.Comparable of variable this.x
    • Make classes org.jfree.ui.RectangleInsets and java.lang.Comparable extend a common superclass
    6
    if (!this.x.equals(that.x))
    7
    return false;
    7
    return false;
    8
    if (!PaintUtilities.equal(this.paint, that.paint))
    8
    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.block.BlockBorderorg.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.block.BlockBorder 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))
    9
    return false;
    9
    return false;
    10
    return true;
    10
    return true;
    Precondition Violations (12)
    Row Violation
    1Type org.jfree.chart.block.BlockBorder does not match with type org.jfree.data.ComparableObjectItem
    2Type org.jfree.ui.RectangleInsets of variable that.insets does not match with type java.lang.Comparable of variable that.x
    3Expression that.insets cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression that.x cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Type org.jfree.ui.RectangleInsets of variable that.insets does not match with type java.lang.Comparable of variable that.x
    6Type org.jfree.ui.RectangleInsets of variable this.insets does not match with type java.lang.Comparable of variable this.x
    7Type java.awt.Paint of variable this.paint does not match with type java.lang.Object of variable this.obj
    8Type java.awt.Paint of variable that.paint does not match with type java.lang.Object of variable that.obj
    9Expression that.paint cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Expression that.obj cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Type java.awt.Paint of variable that.paint does not match with type java.lang.Object of variable that.obj
    12Type org.jfree.util.PaintUtilities does not match with type org.jfree.util.ObjectUtilities