if (obj == this) { return true; } if (!(obj instanceof KeyToGroupMap)) { return false; } KeyToGroupMap that = (KeyToGroupMap) obj; if (!ObjectUtilities.equal(this.defaultGroup, that.defaultGroup)) { return false; } if (!this.keyToGroupMap.equals(that.keyToGroupMap)) { return false; } return true;
if (obj == this) { return true; } if (!(obj instanceof MeanAndStandardDeviation)) { return false; } MeanAndStandardDeviation that = (MeanAndStandardDeviation) obj; if (!ObjectUtilities.equal(this.mean, that.mean)) { return false; } if (!ObjectUtilities.equal( this.standardDeviation, that.standardDeviation) ) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/data/KeyToGroupMap.java File path: /jfreechart-1.0.10/src/org/jfree/data/statistics/MeanAndStandardDeviation.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 KeyToGroupMap)) {
4
        if (!(obj instanceof MeanAndStandardDeviation)) {
5
            return false;
5
            return false;   
6
        }
6
        }
7
        KeyToGroupMap that = (KeyToGroupMap) obj;
7
        MeanAndStandardDeviation that = (MeanAndStandardDeviation) obj;
8
        if (!ObjectUtilities.equal(this.defaultGroup, that.defaultGroup)) {
8
        if (!ObjectUtilities.equal(this.mean, that.mean)) {
9
            return false;
9
            return false;   
10
        }
10
        }
11
        if (!this.keyToGroupMap.equals(that.keyToGroupMap)
11
        if (!ObjectUtilities.equal(
12
            this.standardDeviation, that.standardDeviation)
12
) {
13
        ) {
13
            return false;
14
            return false;   
14
        }
15
        }
15
        return true;
16
        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)1.1
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)4.7
    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 KeyToGroupMap))
    3
    if (!(obj instanceof KeyToGroupMap))
    3
    if (!(obj instanceof MeanAndStandardDeviation))
    Differences
    Expression1Expression2Difference
    org.jfree.data.KeyToGroupMaporg.jfree.data.statistics.MeanAndStandardDeviationVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.KeyToGroupMap does not match with type org.jfree.data.statistics.MeanAndStandardDeviation
    • Make classes org.jfree.data.KeyToGroupMap and org.jfree.data.statistics.MeanAndStandardDeviation extend a common superclass
    3
    if (!(obj instanceof MeanAndStandardDeviation))
    4
    return false;
    4
    return false;
                                                                                                                                  
    5
    MeanAndStandardDeviation that = (MeanAndStandardDeviation)obj;
    5
    KeyToGroupMap that = (KeyToGroupMap)obj;
                                                                                      
    6
    if (!ObjectUtilities.equal(this.defaultGroup, that.defaultGroup))
    6
    if (!ObjectUtilities.equal(this.defaultGroup, that.defaultGroup))
    6
    if (!ObjectUtilities.equal(this.mean, that.mean))
    Differences
    Expression1Expression2Difference
    defaultGroupmeanVARIABLE_NAME_MISMATCH
    java.lang.Comparablejava.lang.NumberVARIABLE_TYPE_MISMATCH
    org.jfree.data.KeyToGroupMaporg.jfree.data.statistics.MeanAndStandardDeviationVARIABLE_TYPE_MISMATCH
    defaultGroupmeanVARIABLE_NAME_MISMATCH
    java.lang.Comparablejava.lang.NumberVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.Comparable of variable this.defaultGroup does not match with type java.lang.Number of variable this.mean
    • Make classes java.lang.Comparable and java.lang.Number extend a common superclass
    Type java.lang.Comparable of variable that.defaultGroup does not match with type java.lang.Number of variable that.mean
    • Make classes org.jfree.data.KeyToGroupMap and org.jfree.data.statistics.MeanAndStandardDeviation extend a common superclass
    Expression that.defaultGroup cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.mean cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type java.lang.Comparable of variable that.defaultGroup does not match with type java.lang.Number of variable that.mean
    • Make classes java.lang.Comparable and java.lang.Number extend a common superclass
    6
    if (!ObjectUtilities.equal(this.mean, that.mean))
    7
    return false;
    7
    return false;
    8
    if (!this.keyToGroupMap.equals(that.keyToGroupMap))
    8
    if (!this.keyToGroupMap.equals(that.keyToGroupMap))
    8
    if (!ObjectUtilities.equal(this.standardDeviation, that.standardDeviation))
    Differences
    Expression1Expression2Difference
    this.keyToGroupMap.equals(that.keyToGroupMap)ObjectUtilities.equal(this.standardDeviation,that.standardDeviation)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression this.keyToGroupMap.equals(that.keyToGroupMap) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression ObjectUtilities.equal(this.standardDeviation,that.standardDeviation) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8
    if (!ObjectUtilities.equal(this.standardDeviation, that.standardDeviation))
    9
    return false;
    9
    return false;
    10
    return true;
    10
    return true;
    Precondition Violations (8)
    Row Violation
    1Type org.jfree.data.KeyToGroupMap does not match with type org.jfree.data.statistics.MeanAndStandardDeviation
    2Type java.lang.Comparable of variable this.defaultGroup does not match with type java.lang.Number of variable this.mean
    3Type java.lang.Comparable of variable that.defaultGroup does not match with type java.lang.Number of variable that.mean
    4Expression that.defaultGroup cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression that.mean cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Type java.lang.Comparable of variable that.defaultGroup does not match with type java.lang.Number of variable that.mean
    7Expression this.keyToGroupMap.equals(that.keyToGroupMap) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Expression ObjectUtilities.equal(this.standardDeviation,that.standardDeviation) cannot be parameterized, because it has dependencies to/from statements that will be extracted