if (obj == this) { return true; } if (!(obj instanceof StandardPieSectionLabelGenerator)) { return false; } StandardPieSectionLabelGenerator that = (StandardPieSectionLabelGenerator) obj; if (!this.attributedLabels.equals(that.attributedLabels)) { return false; } if (!super.equals(obj)) { 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/StandardPieSectionLabelGenerator.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 StandardPieSectionLabelGenerator)) {
4
        if (!(obj instanceof Hour)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        StandardPieSectionLabelGenerator that
7
        
8
                = (StandardPieSectionLabelGenerator) obj;
8
Hour that = (Hour) obj;
9
        if (!this.attributedLabels.equals(that.attributedLabels)) {
9
        if (this.hour != that.hour) {
10
            return false;
10
            return false;
11
        }
11
        }
12
        if (!super.equals(obj)) {
12
        if (!this.day.equals(that.day)) {
13
            return false;
13
            return false;
14
        }
14
        }
15
        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)1.1
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 fragment1
    Number of unmapped statements in the second code fragment3
    Time elapsed for statement mapping (ms)1.7
    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 StandardPieSectionLabelGenerator))
    3
    if (!(obj instanceof StandardPieSectionLabelGenerator))
    3
    if (!(obj instanceof Hour))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.labels.StandardPieSectionLabelGeneratororg.jfree.data.time.HourVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.labels.StandardPieSectionLabelGenerator does not match with type org.jfree.data.time.Hour
    • Make classes org.jfree.chart.labels.StandardPieSectionLabelGenerator 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
    StandardPieSectionLabelGenerator that = (StandardPieSectionLabelGenerator)obj;
                                                                                                                                                                  
                                                              
    6
    if (this.hour != that.hour)
                                    
    7
    return false;
    Preondition Violations
    Unmatched return false;
    7
    return false;
    6
    if (!this.attributedLabels.equals(that.attributedLabels))
    6
    if (!this.attributedLabels.equals(that.attributedLabels))
    8
    if (!this.day.equals(that.day))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.labels.StandardPieSectionLabelGeneratororg.jfree.data.time.HourVARIABLE_TYPE_MISMATCH
    attributedLabelsdayVARIABLE_NAME_MISMATCH
    org.jfree.util.ObjectListorg.jfree.data.time.DayVARIABLE_TYPE_MISMATCH
    attributedLabelsdayVARIABLE_NAME_MISMATCH
    org.jfree.util.ObjectListorg.jfree.data.time.DayVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.util.ObjectList of variable that.attributedLabels does not match with type org.jfree.data.time.Day of variable that.day
    • Make classes org.jfree.chart.labels.StandardPieSectionLabelGenerator and org.jfree.data.time.Hour extend a common superclass
    Expression that.attributedLabels 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.util.ObjectList of variable that.attributedLabels does not match with type org.jfree.data.time.Day of variable that.day
    • Make classes org.jfree.util.ObjectList and org.jfree.data.time.Day extend a common superclass
    Type org.jfree.util.ObjectList of variable this.attributedLabels does not match with type org.jfree.data.time.Day of variable this.day
    • Make classes org.jfree.util.ObjectList 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 (9)
    Row Violation
    1Type org.jfree.chart.labels.StandardPieSectionLabelGenerator does not match with type org.jfree.data.time.Hour
    2Unmatched return false;
    3Type org.jfree.util.ObjectList of variable that.attributedLabels does not match with type org.jfree.data.time.Day of variable that.day
    4Expression that.attributedLabels cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression that.day cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Type org.jfree.util.ObjectList of variable that.attributedLabels does not match with type org.jfree.data.time.Day of variable that.day
    7Type org.jfree.util.ObjectList of variable this.attributedLabels does not match with type org.jfree.data.time.Day of variable this.day
    8Not all possible execution flows end in a return statement
    9The refactoring of the clones is infeasible, because classes org.jfree.chart.labels.StandardPieSectionLabelGenerator and org.jfree.data.time.Hour do not have a common superclass