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 HighLowItemLabelGenerator)) { return false; } HighLowItemLabelGenerator generator = (HighLowItemLabelGenerator) obj; if (!this.dateFormatter.equals(generator.dateFormatter)) { return false; } if (!this.numberFormatter.equals(generator.numberFormatter)) { 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/chart/labels/HighLowItemLabelGenerator.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 HighLowItemLabelGenerator)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        ValueTick that = (ValueTick) obj;
7
        HighLowItemLabelGenerator generator = (HighLowItemLabelGenerator) obj;
8
        if (this.value != that.value) {
8
        if (!this.dateFormatter.equals(generator.dateFormatter)) {
9
            return false;   
9
            return false;
10
        }
10
        }
11
        if (!this.tickType.equals(that.tickType)) {
11
        if (!this.numberFormatter.equals(generator.numberFormatter)) {
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 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)1.6
    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 HighLowItemLabelGenerator))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.axis.ValueTickorg.jfree.chart.labels.HighLowItemLabelGeneratorVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.ValueTick does not match with type org.jfree.chart.labels.HighLowItemLabelGenerator
    • Make classes org.jfree.chart.axis.ValueTick and org.jfree.chart.labels.HighLowItemLabelGenerator extend a common superclass
    3
    if (!(obj instanceof HighLowItemLabelGenerator))
    4
    return false;
    4
    return false;
                                                                                                                                                
    5
    HighLowItemLabelGenerator generator = (HighLowItemLabelGenerator)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.dateFormatter.equals(generator.dateFormatter))
    Differences
    Expression1Expression2Difference
    thatgeneratorVARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.ValueTickorg.jfree.chart.labels.HighLowItemLabelGeneratorVARIABLE_TYPE_MISMATCH
    tickTypedateFormatterVARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.TickTypejava.text.DateFormatVARIABLE_TYPE_MISMATCH
    tickTypedateFormatterVARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.TickTypejava.text.DateFormatVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Expression that.tickType cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression generator.dateFormatter 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.text.DateFormat of variable generator.dateFormatter
    • Make classes org.jfree.chart.axis.ValueTick and org.jfree.chart.labels.HighLowItemLabelGenerator extend a common superclass
    Expression that.tickType cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression generator.dateFormatter 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.text.DateFormat of variable generator.dateFormatter
    • Make classes org.jfree.chart.axis.TickType and java.text.DateFormat extend a common superclass
    Type org.jfree.chart.axis.TickType of variable this.tickType does not match with type java.text.DateFormat of variable this.dateFormatter
    • Make classes org.jfree.chart.axis.TickType and java.text.DateFormat extend a common superclass
    6
    if (!this.dateFormatter.equals(generator.dateFormatter))
    9
    return false;
    7
    return false;
    Precondition Violations (11)
    Row Violation
    1Type org.jfree.chart.axis.ValueTick does not match with type org.jfree.chart.labels.HighLowItemLabelGenerator
    2Unmatched return false;
    3Expression that.tickType cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression generator.dateFormatter cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Type org.jfree.chart.axis.TickType of variable that.tickType does not match with type java.text.DateFormat of variable generator.dateFormatter
    6Expression that.tickType cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression generator.dateFormatter cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Type org.jfree.chart.axis.TickType of variable that.tickType does not match with type java.text.DateFormat of variable generator.dateFormatter
    9Type org.jfree.chart.axis.TickType of variable this.tickType does not match with type java.text.DateFormat of variable this.dateFormatter
    10Not all possible execution flows end in a return statement
    11The refactoring of the clones is infeasible, because classes org.jfree.chart.axis.ValueTick and org.jfree.chart.labels.HighLowItemLabelGenerator do not have a common superclass