if (this == obj) { return true; } if (!(obj instanceof DomainOrder)) { return false; } DomainOrder that = (DomainOrder) obj; if (!this.name.equals(that.toString())) { return false; } return true;
if (obj == this) { return true; } if (!(obj instanceof DatasetGroup)) { return false; } DatasetGroup that = (DatasetGroup) obj; if (!this.id.equals(that.id)) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/data/DomainOrder.java File path: /jfreechart-1.0.10/src/org/jfree/data/general/DatasetGroup.java
Method name: boolean equals(Object) Method name: boolean equals(Object)
Number of AST nodes: 8 Number of AST nodes: 8
1
if (this == obj) {
1
if (obj == this) {
2
            return true;
2
            return true;   
3
        }
3
        }
4
        if (!(obj instanceof DomainOrder)) {
4
        if (!(obj instanceof DatasetGroup)) {
5
            return false;
5
            return false;   
6
        }
6
        }
7
        DomainOrder that = (DomainOrder) obj;
7
        DatasetGroup that = (DatasetGroup) obj;
8
        if (!this.name.equals(that.toString())) {
8
        if (!this.id.equals(that.id)) {
9
            return false;
9
            return false;   
10
        }
10
        }
11
        return true;
11
        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)0.5
Clones locationClones are in different classes
Number of node comparisons19
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements4
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)1.1
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    3
    if (!(obj instanceof DomainOrder))
    3
    if (!(obj instanceof DomainOrder))
    3
    if (!(obj instanceof DatasetGroup))
    Differences
    Expression1Expression2Difference
    org.jfree.data.DomainOrderorg.jfree.data.general.DatasetGroupVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.DomainOrder does not match with type org.jfree.data.general.DatasetGroup
    • Make classes org.jfree.data.DomainOrder and org.jfree.data.general.DatasetGroup extend a common superclass
    3
    if (!(obj instanceof DatasetGroup))
    4
    return false;
    4
    return false;
                                                                                  
    5
    DatasetGroup that = (DatasetGroup)obj;
    5
    DomainOrder that = (DomainOrder)obj;
                                                                              
    6
    if (!this.name.equals(that.toString()))
    6
    if (!this.name.equals(that.toString()))
    6
    if (!this.id.equals(that.id))
    Differences
    Expression1Expression2Difference
    that.toString()that.idTYPE_COMPATIBLE_REPLACEMENT
    nameidVARIABLE_NAME_MISMATCH
    Preondition Violations
    Expression that.toString() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.id cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6
    if (!this.id.equals(that.id))
    7
    return false;
    7
    return false;
    Precondition Violations (4)
    Row Violation
    1Type org.jfree.data.DomainOrder does not match with type org.jfree.data.general.DatasetGroup
    2Expression that.toString() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression that.id cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Not all possible execution flows end in a return statement