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;
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/labels/HighLowItemLabelGenerator.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 HighLowItemLabelGenerator)) {
4
        if (!(obj instanceof Hour)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        HighLowItemLabelGenerator generator = (HighLowItemLabelGenerator) obj;
7
        Hour that = (Hour) obj;
8
        if (!this.dateFormatter.equals(generator.dateFormatter)) {
8
        if (this.hour != that.hour) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        if (!this.numberFormatter.equals(generator.numberFormatter)) {
11
        if (!this.day.equals(that.day)) {
12
            return false;   
12
            return false;
13
        }
13
        }
14
        return true;
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)1.4
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 fragment1
    Number of unmapped statements in the second code fragment3
    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 HighLowItemLabelGenerator))
    3
    if (!(obj instanceof HighLowItemLabelGenerator))
    3
    if (!(obj instanceof Hour))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.labels.HighLowItemLabelGeneratororg.jfree.data.time.HourVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.labels.HighLowItemLabelGenerator does not match with type org.jfree.data.time.Hour
    • Make classes org.jfree.chart.labels.HighLowItemLabelGenerator 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
    HighLowItemLabelGenerator generator = (HighLowItemLabelGenerator)obj;
                                                                                                                                                
                                                              
    6
    if (this.hour != that.hour)
                                    
    7
    return false;
    Preondition Violations
    Unmatched return false;
    7
    return false;
    6
    if (!this.dateFormatter.equals(generator.dateFormatter))
    6
    if (!this.dateFormatter.equals(generator.dateFormatter))
    8
    if (!this.day.equals(that.day))
    Differences
    Expression1Expression2Difference
    generatorthatVARIABLE_NAME_MISMATCH
    org.jfree.chart.labels.HighLowItemLabelGeneratororg.jfree.data.time.HourVARIABLE_TYPE_MISMATCH
    dateFormatterdayVARIABLE_NAME_MISMATCH
    java.text.DateFormatorg.jfree.data.time.DayVARIABLE_TYPE_MISMATCH
    dateFormatterdayVARIABLE_NAME_MISMATCH
    java.text.DateFormatorg.jfree.data.time.DayVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Expression generator.dateFormatter 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 java.text.DateFormat of variable generator.dateFormatter does not match with type org.jfree.data.time.Day of variable that.day
    • Make classes org.jfree.chart.labels.HighLowItemLabelGenerator and org.jfree.data.time.Hour extend a common superclass
    Expression generator.dateFormatter 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 java.text.DateFormat of variable generator.dateFormatter does not match with type org.jfree.data.time.Day of variable that.day
    • Make classes java.text.DateFormat and org.jfree.data.time.Day extend a common superclass
    Type java.text.DateFormat of variable this.dateFormatter does not match with type org.jfree.data.time.Day of variable this.day
    • Make classes java.text.DateFormat and org.jfree.data.time.Day extend a common superclass
    8
    if (!this.day.equals(that.day))
    7
    return false;
    9
    return false;
    Precondition Violations (11)
    Row Violation
    1Type org.jfree.chart.labels.HighLowItemLabelGenerator does not match with type org.jfree.data.time.Hour
    2Unmatched return false;
    3Expression generator.dateFormatter cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression that.day cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Type java.text.DateFormat of variable generator.dateFormatter does not match with type org.jfree.data.time.Day of variable that.day
    6Expression generator.dateFormatter cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression that.day cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Type java.text.DateFormat of variable generator.dateFormatter does not match with type org.jfree.data.time.Day of variable that.day
    9Type java.text.DateFormat of variable this.dateFormatter does not match with type org.jfree.data.time.Day of variable this.day
    10Not all possible execution flows end in a return statement
    11The refactoring of the clones is infeasible, because classes org.jfree.chart.labels.HighLowItemLabelGenerator and org.jfree.data.time.Hour do not have a common superclass