if (obj == this) { return true; } if (!(obj instanceof NumberTickUnit)) { return false; } if (!super.equals(obj)) { return false; } NumberTickUnit that = (NumberTickUnit) obj; if (!this.formatter.equals(that.formatter)) { return false; } return true;
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/NumberTickUnit.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 NumberTickUnit)) {
4
        if (!(obj instanceof HighLowItemLabelGenerator)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        if (!super.equals(obj)) {
7
        
8
            return false;
9
        }
10
        NumberTickUnit that = (NumberTickUnit) obj;
8
HighLowItemLabelGenerator generator = (HighLowItemLabelGenerator) obj;
9
        if (!this.dateFormatter.equals(generator.dateFormatter)) {
10
            return false;
11
        }
11
        if (!this.formatter.equals(that.formatter)) {
12
        if (!this.numberFormatter.equals(generator.numberFormatter)) {
12
            return false;
13
            return false;   
13
        }
14
        }
14
        return true;
15
        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)1.2
Clones locationClones are in different classes
Number of node comparisons41
  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)2.0
    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 NumberTickUnit))
    3
    if (!(obj instanceof NumberTickUnit))
    3
    if (!(obj instanceof HighLowItemLabelGenerator))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.axis.NumberTickUnitorg.jfree.chart.labels.HighLowItemLabelGeneratorVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.NumberTickUnit does not match with type org.jfree.chart.labels.HighLowItemLabelGenerator
    • Make classes org.jfree.chart.axis.NumberTickUnit 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
    if (!super.equals(obj))
    5
    if (!super.equals(obj))
    6
    if (!this.dateFormatter.equals(generator.dateFormatter))
    Differences
    Expression1Expression2Difference
    super.equals(obj)this.dateFormatter.equals(generator.dateFormatter)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression this.dateFormatter.equals(generator.dateFormatter) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Super method call if(!super.equals(obj)) cannot be extracted from method
    6
    if (!this.dateFormatter.equals(generator.dateFormatter))
    6
    return false;
    7
    return false;
    7
    NumberTickUnit that = (NumberTickUnit)obj;
                                                                                          
    8
    if (!this.formatter.equals(that.formatter))
    8
    if (!this.formatter.equals(that.formatter))
    8
    if (!this.numberFormatter.equals(generator.numberFormatter))
    Differences
    Expression1Expression2Difference
    thatgeneratorVARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.NumberTickUnitorg.jfree.chart.labels.HighLowItemLabelGeneratorVARIABLE_TYPE_MISMATCH
    formatternumberFormatterVARIABLE_NAME_MISMATCH
    formatternumberFormatterVARIABLE_NAME_MISMATCH
    Preondition Violations
    Expression that.formatter cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression generator.numberFormatter cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type java.text.NumberFormat of variable that.formatter does not match with type java.text.NumberFormat of variable generator.numberFormatter
    • Make classes org.jfree.chart.axis.NumberTickUnit and org.jfree.chart.labels.HighLowItemLabelGenerator extend a common superclass
    Expression that.formatter cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression generator.numberFormatter cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8
    if (!this.numberFormatter.equals(generator.numberFormatter))
    9
    return false;
    9
    return false;
    10
    return true;
    10
    return true;
    Precondition Violations (9)
    Row Violation
    1Type org.jfree.chart.axis.NumberTickUnit does not match with type org.jfree.chart.labels.HighLowItemLabelGenerator
    2Expression this.dateFormatter.equals(generator.dateFormatter) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Super method call if(!super.equals(obj)) cannot be extracted from method
    4Expression that.formatter cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression generator.numberFormatter cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Type java.text.NumberFormat of variable that.formatter does not match with type java.text.NumberFormat of variable generator.numberFormatter
    7Expression that.formatter cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Expression generator.numberFormatter cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9The refactoring of the clones is infeasible, because classes org.jfree.chart.axis.NumberTickUnit and org.jfree.chart.labels.HighLowItemLabelGenerator do not have a common superclass