if (obj == this) { return true; } if (!(obj instanceof AbstractXYAnnotation)) { return false; } AbstractXYAnnotation that = (AbstractXYAnnotation) obj; if (!ObjectUtilities.equal(this.toolTipText, that.toolTipText)) { return false; } if (!ObjectUtilities.equal(this.url, that.url)) { return false; } return true;
if (obj == this) { return true; } if (!(obj instanceof KeyedObject)) { return false; } KeyedObject that = (KeyedObject) obj; if (!ObjectUtilities.equal(this.key, that.key)) { return false; } if (!ObjectUtilities.equal(this.object, that.object)) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/annotations/AbstractXYAnnotation.java File path: /jfreechart-1.0.10/src/org/jfree/data/KeyedObject.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 AbstractXYAnnotation)) {
4
        if (!(obj instanceof KeyedObject)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        AbstractXYAnnotation that = (AbstractXYAnnotation) obj;
7
        KeyedObject that = (KeyedObject) obj;
8
        if (!ObjectUtilities.equal(this.toolTipText, that.toolTipText)) {
8
        if (!ObjectUtilities.equal(this.key, that.key)) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        if (!ObjectUtilities.equal(this.url, that.url)) {
11
        if (!ObjectUtilities.equal(this.object, that.object)) {
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)1.2
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)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 AbstractXYAnnotation))
    3
    if (!(obj instanceof AbstractXYAnnotation))
    3
    if (!(obj instanceof KeyedObject))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.annotations.AbstractXYAnnotationorg.jfree.data.KeyedObjectVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.annotations.AbstractXYAnnotation does not match with type org.jfree.data.KeyedObject
    • Make classes org.jfree.chart.annotations.AbstractXYAnnotation and org.jfree.data.KeyedObject extend a common superclass
    3
    if (!(obj instanceof KeyedObject))
    4
    return false;
    4
    return false;
                                                                              
    5
    KeyedObject that = (KeyedObject)obj;
    5
    AbstractXYAnnotation that = (AbstractXYAnnotation)obj;
                                                                                                                  
    6
    if (!ObjectUtilities.equal(this.toolTipText, that.toolTipText))
    6
    if (!ObjectUtilities.equal(this.toolTipText, that.toolTipText))
    6
    if (!ObjectUtilities.equal(this.key, that.key))
    Differences
    Expression1Expression2Difference
    toolTipTextkeyVARIABLE_NAME_MISMATCH
    java.lang.Stringjava.lang.ComparableVARIABLE_TYPE_MISMATCH
    org.jfree.chart.annotations.AbstractXYAnnotationorg.jfree.data.KeyedObjectVARIABLE_TYPE_MISMATCH
    toolTipTextkeyVARIABLE_NAME_MISMATCH
    java.lang.Stringjava.lang.ComparableVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String of variable this.toolTipText does not match with type java.lang.Comparable of variable this.key
    • Make classes java.lang.String and java.lang.Comparable extend a common superclass
    Type java.lang.String of variable that.toolTipText does not match with type java.lang.Comparable of variable that.key
    • Make classes org.jfree.chart.annotations.AbstractXYAnnotation and org.jfree.data.KeyedObject extend a common superclass
    Expression that.toolTipText 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.lang.String of variable that.toolTipText does not match with type java.lang.Comparable of variable that.key
    • Make classes java.lang.String and java.lang.Comparable extend a common superclass
    6
    if (!ObjectUtilities.equal(this.key, that.key))
    7
    return false;
    7
    return false;
    8
    if (!ObjectUtilities.equal(this.url, that.url))
    8
    if (!ObjectUtilities.equal(this.url, that.url))
    8
    if (!ObjectUtilities.equal(this.object, that.object))
    Differences
    Expression1Expression2Difference
    urlobjectVARIABLE_NAME_MISMATCH
    java.lang.Stringjava.lang.ObjectVARIABLE_TYPE_MISMATCH
    org.jfree.chart.annotations.AbstractXYAnnotationorg.jfree.data.KeyedObjectVARIABLE_TYPE_MISMATCH
    urlobjectVARIABLE_NAME_MISMATCH
    java.lang.Stringjava.lang.ObjectVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String of variable this.url does not match with type java.lang.Object of variable this.object
    • Make classes java.lang.String and java.lang.Object extend a common superclass
    Type java.lang.String of variable that.url does not match with type java.lang.Object of variable that.object
    • Make classes org.jfree.chart.annotations.AbstractXYAnnotation and org.jfree.data.KeyedObject extend a common superclass
    Expression that.url cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.object cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type java.lang.String of variable that.url does not match with type java.lang.Object of variable that.object
    • Make classes java.lang.String and java.lang.Object extend a common superclass
    8
    if (!ObjectUtilities.equal(this.object, that.object))
    9
    return false;
    9
    return false;
    10
    return true;
    10
    return true;
    Precondition Violations (12)
    Row Violation
    1Type org.jfree.chart.annotations.AbstractXYAnnotation does not match with type org.jfree.data.KeyedObject
    2Type java.lang.String of variable this.toolTipText does not match with type java.lang.Comparable of variable this.key
    3Type java.lang.String of variable that.toolTipText does not match with type java.lang.Comparable of variable that.key
    4Expression that.toolTipText 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.lang.String of variable that.toolTipText does not match with type java.lang.Comparable of variable that.key
    7Type java.lang.String of variable this.url does not match with type java.lang.Object of variable this.object
    8Type java.lang.String of variable that.url does not match with type java.lang.Object of variable that.object
    9Expression that.url cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Expression that.object cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Type java.lang.String of variable that.url does not match with type java.lang.Object of variable that.object
    12The refactoring of the clones is infeasible, because classes org.jfree.chart.annotations.AbstractXYAnnotation and org.jfree.data.KeyedObject do not have a common superclass