if (obj == this) { return true; } if (!(obj instanceof ValueTick)) { return false; } ValueTick that = (ValueTick) obj; if (this.value != that.value) { return false; } if (!this.tickType.equals(that.tickType)) { return false; } return super.equals(obj);
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/axis/ValueTick.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 ValueTick)) {
4
        if (!(obj instanceof ComparableObjectItem)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        ValueTick that = (ValueTick) obj;
7
        ComparableObjectItem that = (ComparableObjectItem) obj;
8
        if (this.value != that.value) {
8
        if (!this.x.equals(that.x)) {
9
            return false;   
9
            return false;
10
        }
10
        }
11
        if (!this.tickType.equals(that.tickType)) {
11
        if (!ObjectUtilities.equal(this.obj, that.obj)) {
12
            return false;
12
            return false;
13
        }
13
        }
14
        return super.equals(obj);
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)0.9
Clones locationClones are in different classes
Number of node comparisons29
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements6
    Number of unmapped statements in the first code fragment3
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)1.4
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    if (obj == this)
    1
    if (obj == this)
    2
    return true;
    2
    return true;
    3
    if (!(obj instanceof ValueTick))
    3
    if (!(obj instanceof ValueTick))
    3
    if (!(obj instanceof ComparableObjectItem))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.axis.ValueTickorg.jfree.data.ComparableObjectItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.ValueTick does not match with type org.jfree.data.ComparableObjectItem
    • Make classes org.jfree.chart.axis.ValueTick 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
    ValueTick that = (ValueTick)obj;
                                                                      
    6
    if (this.value != that.value)
                                                                  
    7
    return false;
    7
    return false;
    Preondition Violations
    Unmatched return false;
                                    
    8
    if (!this.tickType.equals(that.tickType))
    8
    if (!this.tickType.equals(that.tickType))
    6
    if (!this.x.equals(that.x))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.axis.ValueTickorg.jfree.data.ComparableObjectItemVARIABLE_TYPE_MISMATCH
    tickTypexVARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.TickTypejava.lang.ComparableVARIABLE_TYPE_MISMATCH
    tickTypexVARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.TickTypejava.lang.ComparableVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.TickType of variable that.tickType does not match with type java.lang.Comparable of variable that.x
    • Make classes org.jfree.chart.axis.ValueTick and org.jfree.data.ComparableObjectItem extend a common superclass
    Expression that.tickType cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.x cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type org.jfree.chart.axis.TickType of variable that.tickType does not match with type java.lang.Comparable of variable that.x
    • Make classes org.jfree.chart.axis.TickType and java.lang.Comparable extend a common superclass
    Type org.jfree.chart.axis.TickType of variable this.tickType does not match with type java.lang.Comparable of variable this.x
    • Make classes org.jfree.chart.axis.TickType and java.lang.Comparable extend a common superclass
    6
    if (!this.x.equals(that.x))
    9
    return false;
    7
    return false;
    Precondition Violations (9)
    Row Violation
    1Type org.jfree.chart.axis.ValueTick does not match with type org.jfree.data.ComparableObjectItem
    2Unmatched return false;
    3Type org.jfree.chart.axis.TickType of variable that.tickType does not match with type java.lang.Comparable of variable that.x
    4Expression that.tickType cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression that.x cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Type org.jfree.chart.axis.TickType of variable that.tickType does not match with type java.lang.Comparable of variable that.x
    7Type org.jfree.chart.axis.TickType of variable this.tickType does not match with type java.lang.Comparable of variable this.x
    8Not all possible execution flows end in a return statement
    9The refactoring of the clones is infeasible, because classes org.jfree.chart.axis.ValueTick and org.jfree.data.ComparableObjectItem do not have a common superclass