if (obj == this) { return true; } if (!(obj instanceof ColorBlock)) { return false; } ColorBlock that = (ColorBlock) obj; if (!PaintUtilities.equal(this.paint, that.paint)) { return false; } return super.equals(obj);
if (obj == this) { return true; } if (!(obj instanceof CategoryLabelEntity)) { return false; } CategoryLabelEntity that = (CategoryLabelEntity) obj; if (!ObjectUtilities.equal(this.key, that.key)) { return false; } return super.equals(obj);
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/block/ColorBlock.java File path: /jfreechart-1.0.10/src/org/jfree/chart/entity/CategoryLabelEntity.java
Method name: boolean equals(Object) Method name: boolean equals(Object)
Number of AST nodes: 8 Number of AST nodes: 8
1
if (obj == this) {
1
if (obj == this) {
2
            return true;
2
            return true;
3
        }
3
        }
4
        if (!(obj instanceof ColorBlock)) {
4
        if (!(obj instanceof CategoryLabelEntity)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        ColorBlock that = (ColorBlock) obj;
7
        CategoryLabelEntity that = (CategoryLabelEntity) obj;
8
        if (!PaintUtilities.equal(this.paint, that.paint)) {
8
        if (!ObjectUtilities.equal(this.key, that.key)) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        return super.equals(obj);
11
        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)0.8
Clones locationClones are in different classes
Number of node comparisons25
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements7
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)1.7
    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 ColorBlock))
    3
    if (!(obj instanceof ColorBlock))
    3
    if (!(obj instanceof CategoryLabelEntity))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.block.ColorBlockorg.jfree.chart.entity.CategoryLabelEntityVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.block.ColorBlock does not match with type org.jfree.chart.entity.CategoryLabelEntity
    • Make classes org.jfree.chart.block.ColorBlock and org.jfree.chart.entity.CategoryLabelEntity extend a common superclass
    3
    if (!(obj instanceof CategoryLabelEntity))
    4
    return false;
    4
    return false;
                                                                                                              
    5
    CategoryLabelEntity that = (CategoryLabelEntity)obj;
    5
    ColorBlock that = (ColorBlock)obj;
                                                                          
    6
    if (!PaintUtilities.equal(this.paint, that.paint))
    6
    if (!PaintUtilities.equal(this.paint, that.paint))
    6
    if (!ObjectUtilities.equal(this.key, that.key))
    Differences
    Expression1Expression2Difference
    paintkeyVARIABLE_NAME_MISMATCH
    java.awt.Paintjava.lang.ComparableVARIABLE_TYPE_MISMATCH
    org.jfree.chart.block.ColorBlockorg.jfree.chart.entity.CategoryLabelEntityVARIABLE_TYPE_MISMATCH
    paintkeyVARIABLE_NAME_MISMATCH
    java.awt.Paintjava.lang.ComparableVARIABLE_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.Comparable of variable this.key
    • Make classes java.awt.Paint and java.lang.Comparable extend a common superclass
    Type java.awt.Paint of variable that.paint does not match with type java.lang.Comparable of variable that.key
    • Make classes org.jfree.chart.block.ColorBlock and org.jfree.chart.entity.CategoryLabelEntity extend a common superclass
    Expression that.paint cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.key 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.Comparable of variable that.key
    • Make classes java.awt.Paint and java.lang.Comparable 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
    6
    if (!ObjectUtilities.equal(this.key, that.key))
    7
    return false;
    7
    return false;
    8
    return super.equals(obj);
    8
    return super.equals(obj);
    8
    return super.equals(obj);
    Preondition Violations
    Super method call return super.equals(obj); cannot be extracted from method
    Super method call return super.equals(obj); cannot be extracted from method
    8
    return super.equals(obj);
    Precondition Violations (10)
    Row Violation
    1Type org.jfree.chart.block.ColorBlock does not match with type org.jfree.chart.entity.CategoryLabelEntity
    2Type java.awt.Paint of variable this.paint does not match with type java.lang.Comparable of variable this.key
    3Type java.awt.Paint of variable that.paint does not match with type java.lang.Comparable of variable that.key
    4Expression that.paint cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression that.key 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.Comparable of variable that.key
    7Type org.jfree.util.PaintUtilities does not match with type org.jfree.util.ObjectUtilities
    8Super method call return super.equals(obj); cannot be extracted from method
    9Super method call return super.equals(obj); cannot be extracted from method
    10The refactoring of the clones is infeasible, because classes org.jfree.chart.block.ColorBlock and org.jfree.chart.entity.CategoryLabelEntity do not have a common superclass