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;
if (this == obj) { return true; } if (!(obj instanceof TimePeriodAnchor)) { return false; } TimePeriodAnchor position = (TimePeriodAnchor) obj; if (!this.name.equals(position.name)) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/data/general/DatasetGroup.java File path: /jfreechart-1.0.10/src/org/jfree/data/time/TimePeriodAnchor.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 (this == obj) {
2
            return true;   
2
            return true;
3
        }
3
        }
4
        if (!(obj instanceof DatasetGroup)) {
4
        if (!(obj instanceof TimePeriodAnchor)) {
5
            return false;   
5
            return false;
6
        }
6
        }
7
        DatasetGroup that = (DatasetGroup) obj;
7
        TimePeriodAnchor position = (TimePeriodAnchor) obj;
8
        if (!this.id.equals(that.id)) {
8
        if (!this.name.equals(position.name)) {
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 DatasetGroup))
    3
    if (!(obj instanceof DatasetGroup))
    3
    if (!(obj instanceof TimePeriodAnchor))
    Differences
    Expression1Expression2Difference
    org.jfree.data.general.DatasetGrouporg.jfree.data.time.TimePeriodAnchorVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.general.DatasetGroup does not match with type org.jfree.data.time.TimePeriodAnchor
    • Make classes org.jfree.data.general.DatasetGroup and org.jfree.data.time.TimePeriodAnchor extend a common superclass
    3
    if (!(obj instanceof TimePeriodAnchor))
    4
    return false;
    4
    return false;
                                                                                                          
    5
    TimePeriodAnchor position = (TimePeriodAnchor)obj;
    5
    DatasetGroup that = (DatasetGroup)obj;
                                                                                  
    6
    if (!this.id.equals(that.id))
    6
    if (!this.id.equals(that.id))
    6
    if (!this.name.equals(position.name))
    Differences
    Expression1Expression2Difference
    thatpositionVARIABLE_NAME_MISMATCH
    org.jfree.data.general.DatasetGrouporg.jfree.data.time.TimePeriodAnchorVARIABLE_TYPE_MISMATCH
    idnameVARIABLE_NAME_MISMATCH
    idnameVARIABLE_NAME_MISMATCH
    Preondition Violations
    Expression that.id cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression position.name cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type java.lang.String of variable that.id does not match with type java.lang.String of variable position.name
    • Make classes org.jfree.data.general.DatasetGroup and org.jfree.data.time.TimePeriodAnchor extend a common superclass
    Expression that.id cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression position.name cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6
    if (!this.name.equals(position.name))
    7
    return false;
    7
    return false;
    Precondition Violations (7)
    Row Violation
    1Type org.jfree.data.general.DatasetGroup does not match with type org.jfree.data.time.TimePeriodAnchor
    2Expression that.id cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression position.name cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Type java.lang.String of variable that.id does not match with type java.lang.String of variable position.name
    5Expression that.id cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression position.name cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Not all possible execution flows end in a return statement