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 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/annotations/AbstractXYAnnotation.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 AbstractXYAnnotation)) {
4
        if (!(obj instanceof ComparableObjectItem)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        AbstractXYAnnotation that = (AbstractXYAnnotation) obj;
7
        ComparableObjectItem that = (ComparableObjectItem) obj;
8
        if (!ObjectUtilities.equal(this.toolTipText, that.toolTipText)) {
8
        if (!this.x.equals(that.x)) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        if (!ObjectUtilities.equal(this.url, that.url)) {
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)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 ComparableObjectItem))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.annotations.AbstractXYAnnotationorg.jfree.data.ComparableObjectItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.annotations.AbstractXYAnnotation does not match with type org.jfree.data.ComparableObjectItem
    • Make classes org.jfree.chart.annotations.AbstractXYAnnotation 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
    AbstractXYAnnotation that = (AbstractXYAnnotation)obj;
                                                                                                                  
    6
    if (!ObjectUtilities.equal(this.toolTipText, that.toolTipText))
    6
    if (!ObjectUtilities.equal(this.toolTipText, that.toolTipText))
    8
    if (!ObjectUtilities.equal(this.obj, that.obj))
    Differences
    Expression1Expression2Difference
    toolTipTextobjVARIABLE_NAME_MISMATCH
    java.lang.Stringjava.lang.ObjectVARIABLE_TYPE_MISMATCH
    org.jfree.chart.annotations.AbstractXYAnnotationorg.jfree.data.ComparableObjectItemVARIABLE_TYPE_MISMATCH
    toolTipTextobjVARIABLE_NAME_MISMATCH
    java.lang.Stringjava.lang.ObjectVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String of variable this.toolTipText does not match with type java.lang.Object of variable this.obj
    • Make classes java.lang.String and java.lang.Object extend a common superclass
    Type java.lang.String of variable that.toolTipText does not match with type java.lang.Object of variable that.obj
    • Make classes org.jfree.chart.annotations.AbstractXYAnnotation and org.jfree.data.ComparableObjectItem extend a common superclass
    Expression that.toolTipText 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.lang.String of variable that.toolTipText does not match with type java.lang.Object of variable that.obj
    • Make classes java.lang.String and java.lang.Object extend a common superclass
    8
    if (!ObjectUtilities.equal(this.obj, that.obj))
    7
    return false;
    9
    return false;
    8
    if (!ObjectUtilities.equal(this.url, that.url))
    8
    if (!ObjectUtilities.equal(this.url, that.url))
    6
    if (!this.x.equals(that.x))
    Differences
    Expression1Expression2Difference
    ObjectUtilities.equal(this.url,that.url)this.x.equals(that.x)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression ObjectUtilities.equal(this.url,that.url) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression this.x.equals(that.x) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6
    if (!this.x.equals(that.x))
    9
    return false;
    7
    return false;
    10
    return true;
    10
    return true;
    Precondition Violations (9)
    Row Violation
    1Type org.jfree.chart.annotations.AbstractXYAnnotation does not match with type org.jfree.data.ComparableObjectItem
    2Type java.lang.String of variable this.toolTipText does not match with type java.lang.Object of variable this.obj
    3Type java.lang.String of variable that.toolTipText does not match with type java.lang.Object of variable that.obj
    4Expression that.toolTipText 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.lang.String of variable that.toolTipText does not match with type java.lang.Object of variable that.obj
    7Expression ObjectUtilities.equal(this.url,that.url) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Expression this.x.equals(that.x) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9The refactoring of the clones is infeasible, because classes org.jfree.chart.annotations.AbstractXYAnnotation and org.jfree.data.ComparableObjectItem do not have a common superclass