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);
if (obj == this) { return true; } if (!(obj instanceof ImageTitle)) { return false; } ImageTitle that = (ImageTitle) obj; if (!ObjectUtilities.equal(this.image, that.image)) { return false; } return super.equals(obj);
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/entity/CategoryLabelEntity.java File path: /jfreechart-1.0.10/src/org/jfree/chart/title/ImageTitle.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 CategoryLabelEntity)) {
4
        if (!(obj instanceof ImageTitle)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        CategoryLabelEntity that = (CategoryLabelEntity) obj;
7
        ImageTitle that = (ImageTitle) obj;
8
        if (!ObjectUtilities.equal(this.key, that.key)) {
8
        if (!ObjectUtilities.equal(this.image, that.image)) {
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 CategoryLabelEntity))
    3
    if (!(obj instanceof CategoryLabelEntity))
    3
    if (!(obj instanceof ImageTitle))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.entity.CategoryLabelEntityorg.jfree.chart.title.ImageTitleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.entity.CategoryLabelEntity does not match with type org.jfree.chart.title.ImageTitle
    • Make classes org.jfree.chart.entity.CategoryLabelEntity and org.jfree.chart.title.ImageTitle extend a common superclass
    3
    if (!(obj instanceof ImageTitle))
    4
    return false;
    4
    return false;
                                                                          
    5
    ImageTitle that = (ImageTitle)obj;
    5
    CategoryLabelEntity that = (CategoryLabelEntity)obj;
                                                                                                              
    6
    if (!ObjectUtilities.equal(this.key, that.key))
    6
    if (!ObjectUtilities.equal(this.key, that.key))
    6
    if (!ObjectUtilities.equal(this.image, that.image))
    Differences
    Expression1Expression2Difference
    keyimageVARIABLE_NAME_MISMATCH
    java.lang.Comparablejava.awt.ImageVARIABLE_TYPE_MISMATCH
    org.jfree.chart.entity.CategoryLabelEntityorg.jfree.chart.title.ImageTitleVARIABLE_TYPE_MISMATCH
    keyimageVARIABLE_NAME_MISMATCH
    java.lang.Comparablejava.awt.ImageVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.Comparable of variable this.key does not match with type java.awt.Image of variable this.image
    • Make classes java.lang.Comparable and java.awt.Image extend a common superclass
    Type java.lang.Comparable of variable that.key does not match with type java.awt.Image of variable that.image
    • Make classes org.jfree.chart.entity.CategoryLabelEntity and org.jfree.chart.title.ImageTitle extend a common superclass
    Expression that.key cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.image cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type java.lang.Comparable of variable that.key does not match with type java.awt.Image of variable that.image
    • Make classes java.lang.Comparable and java.awt.Image extend a common superclass
    6
    if (!ObjectUtilities.equal(this.image, that.image))
    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 (9)
    Row Violation
    1Type org.jfree.chart.entity.CategoryLabelEntity does not match with type org.jfree.chart.title.ImageTitle
    2Type java.lang.Comparable of variable this.key does not match with type java.awt.Image of variable this.image
    3Type java.lang.Comparable of variable that.key does not match with type java.awt.Image of variable that.image
    4Expression that.key cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression that.image cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Type java.lang.Comparable of variable that.key does not match with type java.awt.Image of variable that.image
    7Super method call return super.equals(obj); cannot be extracted from method
    8Super method call return super.equals(obj); cannot be extracted from method
    9The refactoring of the clones is infeasible, because classes org.jfree.chart.entity.CategoryLabelEntity and org.jfree.chart.title.ImageTitle do not have a common superclass