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 XYDataItem)) { return false; } XYDataItem that = (XYDataItem) obj; if (!this.x.equals(that.x)) { return false; } if (!ObjectUtilities.equal(this.y, that.y)) { 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/xy/XYDataItem.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 XYDataItem)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        ValueTick that = (ValueTick) obj;
7
        XYDataItem that = (XYDataItem) 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.y, that.y)) {
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 XYDataItem))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.axis.ValueTickorg.jfree.data.xy.XYDataItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.ValueTick does not match with type org.jfree.data.xy.XYDataItem
    • Make classes org.jfree.chart.axis.ValueTick and org.jfree.data.xy.XYDataItem extend a common superclass
    3
    if (!(obj instanceof XYDataItem))
    4
    return false;
    4
    return false;
                                                                          
    5
    XYDataItem that = (XYDataItem)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.xy.XYDataItemVARIABLE_TYPE_MISMATCH
    tickTypexVARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.TickTypejava.lang.NumberVARIABLE_TYPE_MISMATCH
    tickTypexVARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.TickTypejava.lang.NumberVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.TickType of variable that.tickType does not match with type java.lang.Number of variable that.x
    • Make classes org.jfree.chart.axis.ValueTick and org.jfree.data.xy.XYDataItem 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.Number of variable that.x
    • Make classes org.jfree.chart.axis.TickType and java.lang.Number extend a common superclass
    Type org.jfree.chart.axis.TickType of variable this.tickType does not match with type java.lang.Number of variable this.x
    • Make classes org.jfree.chart.axis.TickType and java.lang.Number 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.xy.XYDataItem
    2Unmatched return false;
    3Type org.jfree.chart.axis.TickType of variable that.tickType does not match with type java.lang.Number 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.Number of variable that.x
    7Type org.jfree.chart.axis.TickType of variable this.tickType does not match with type java.lang.Number 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.xy.XYDataItem do not have a common superclass