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 Hour)) { return false; } Hour that = (Hour) obj; if (this.hour != that.hour) { return false; } if (!this.day.equals(that.day)) { 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/time/Hour.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 Hour)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        ValueTick that = (ValueTick) obj;
7
        Hour that = (Hour) obj;
8
        if (this.value != that.value) {
8
        if (this.hour != that.hour) {
9
            return false;   
9
            return false;
10
        }
10
        }
11
        if (!this.tickType.equals(that.tickType)) {
11
        if (!this.day.equals(that.day)) {
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)1.1
Clones locationClones are in different classes
Number of node comparisons35
  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)2.2
    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 ValueTick))
    3
    if (!(obj instanceof ValueTick))
    3
    if (!(obj instanceof Hour))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.axis.ValueTickorg.jfree.data.time.HourVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.ValueTick does not match with type org.jfree.data.time.Hour
    • Make classes org.jfree.chart.axis.ValueTick and org.jfree.data.time.Hour extend a common superclass
    3
    if (!(obj instanceof Hour))
    4
    return false;
    4
    return false;
                                                  
    5
    Hour that = (Hour)obj;
    5
    ValueTick that = (ValueTick)obj;
                                                                      
    6
    if (this.value != that.value)
    6
    if (this.value != that.value)
    6
    if (this.hour != that.hour)
    Differences
    Expression1Expression2Difference
    valuehourVARIABLE_NAME_MISMATCH
    doublebyteVARIABLE_TYPE_MISMATCH
    org.jfree.chart.axis.ValueTickorg.jfree.data.time.HourVARIABLE_TYPE_MISMATCH
    valuehourVARIABLE_NAME_MISMATCH
    doublebyteVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type double of variable this.value does not match with type byte of variable this.hour
    Type double of variable that.value does not match with type byte of variable that.hour
    • Make classes org.jfree.chart.axis.ValueTick and org.jfree.data.time.Hour extend a common superclass
    Expression that.value cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.hour cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type double of variable that.value does not match with type byte of variable that.hour
    6
    if (this.hour != that.hour)
    7
    return false;
    7
    return false;
    8
    if (!this.tickType.equals(that.tickType))
    8
    if (!this.tickType.equals(that.tickType))
    8
    if (!this.day.equals(that.day))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.axis.ValueTickorg.jfree.data.time.HourVARIABLE_TYPE_MISMATCH
    tickTypedayVARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.TickTypeorg.jfree.data.time.DayVARIABLE_TYPE_MISMATCH
    tickTypedayVARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.TickTypeorg.jfree.data.time.DayVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.TickType of variable that.tickType does not match with type org.jfree.data.time.Day of variable that.day
    • Make classes org.jfree.chart.axis.ValueTick and org.jfree.data.time.Hour extend a common superclass
    Expression that.tickType cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.day 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 org.jfree.data.time.Day of variable that.day
    • Make classes org.jfree.chart.axis.TickType and org.jfree.data.time.Day extend a common superclass
    Type org.jfree.chart.axis.TickType of variable this.tickType does not match with type org.jfree.data.time.Day of variable this.day
    • Make classes org.jfree.chart.axis.TickType and org.jfree.data.time.Day extend a common superclass
    8
    if (!this.day.equals(that.day))
    9
    return false;
    9
    return false;
    10
    return super.equals(obj);
    10
    return super.equals(obj);
    10
    return true;
    Differences
    Expression1Expression2Difference
    super.equals(obj)trueTYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Super method call return super.equals(obj); cannot be extracted from method
    10
    return true;
    Precondition Violations (13)
    Row Violation
    1Type org.jfree.chart.axis.ValueTick does not match with type org.jfree.data.time.Hour
    2Type double of variable this.value does not match with type byte of variable this.hour
    3Type double of variable that.value does not match with type byte of variable that.hour
    4Expression that.value cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression that.hour cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Type double of variable that.value does not match with type byte of variable that.hour
    7Type org.jfree.chart.axis.TickType of variable that.tickType does not match with type org.jfree.data.time.Day of variable that.day
    8Expression that.tickType cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9Expression that.day cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Type org.jfree.chart.axis.TickType of variable that.tickType does not match with type org.jfree.data.time.Day of variable that.day
    11Type org.jfree.chart.axis.TickType of variable this.tickType does not match with type org.jfree.data.time.Day of variable this.day
    12Super method call return super.equals(obj); cannot be extracted from method
    13The refactoring of the clones is infeasible, because classes org.jfree.chart.axis.ValueTick and org.jfree.data.time.Hour do not have a common superclass