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 TaskSeries)) { return false; } if (!super.equals(obj)) { return false; } TaskSeries that = (TaskSeries) obj; if (!this.tasks.equals(that.tasks)) { 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/gantt/TaskSeries.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 TaskSeries)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        HighLowItemLabelGenerator generator = (HighLowItemLabelGenerator) obj;
7
        
8
        if (!this.dateFormatter.equals(generator.dateFormatter)) {
9
            return false;
10
        }
11
        if (!this.numberFormatter.equals(generator.numberFormatter
8
if (!super.equals(obj)) {
9
            return false;
10
        }
11
        TaskSeries that = (TaskSeries) obj;
12
)) {
12
        if (!this.tasks.equals(that.tasks)) {
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)1.2
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)1.8
    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 HighLowItemLabelGenerator))
    3
    if (!(obj instanceof HighLowItemLabelGenerator))
    3
    if (!(obj instanceof TaskSeries))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.labels.HighLowItemLabelGeneratororg.jfree.data.gantt.TaskSeriesVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.labels.HighLowItemLabelGenerator does not match with type org.jfree.data.gantt.TaskSeries
    • Make classes org.jfree.chart.labels.HighLowItemLabelGenerator and org.jfree.data.gantt.TaskSeries extend a common superclass
    3
    if (!(obj instanceof TaskSeries))
    4
    return false;
    4
    return false;
    5
    HighLowItemLabelGenerator generator = (HighLowItemLabelGenerator)obj;
                                                                                                                                                
    6
    if (!this.dateFormatter.equals(generator.dateFormatter))
    6
    if (!this.dateFormatter.equals(generator.dateFormatter))
    8
    if (!this.tasks.equals(that.tasks))
    Differences
    Expression1Expression2Difference
    generatorthatVARIABLE_NAME_MISMATCH
    org.jfree.chart.labels.HighLowItemLabelGeneratororg.jfree.data.gantt.TaskSeriesVARIABLE_TYPE_MISMATCH
    dateFormattertasksVARIABLE_NAME_MISMATCH
    java.text.DateFormatjava.util.ListVARIABLE_TYPE_MISMATCH
    dateFormattertasksVARIABLE_NAME_MISMATCH
    java.text.DateFormatjava.util.ListVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Expression generator.dateFormatter cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.tasks 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 java.util.List of variable that.tasks
    • Make classes org.jfree.chart.labels.HighLowItemLabelGenerator and org.jfree.data.gantt.TaskSeries extend a common superclass
    Expression generator.dateFormatter cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.tasks 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 java.util.List of variable that.tasks
    • Make classes java.text.DateFormat and java.util.List extend a common superclass
    Type java.text.DateFormat of variable this.dateFormatter does not match with type java.util.List of variable this.tasks
    • Make classes java.text.DateFormat and java.util.List extend a common superclass
    8
    if (!this.tasks.equals(that.tasks))
    7
    return false;
    9
    return false;
    8
    if (!this.numberFormatter.equals(generator.numberFormatter))
    8
    if (!this.numberFormatter.equals(generator.numberFormatter))
    5
    if (!super.equals(obj))
    Differences
    Expression1Expression2Difference
    this.numberFormatter.equals(generator.numberFormatter)super.equals(obj)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression this.numberFormatter.equals(generator.numberFormatter) 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
    5
    if (!super.equals(obj))
    9
    return false;
    6
    return false;
                                                                          
    7
    TaskSeries that = (TaskSeries)obj;
    10
    return true;
    10
    return true;
    Precondition Violations (11)
    Row Violation
    1Type org.jfree.chart.labels.HighLowItemLabelGenerator does not match with type org.jfree.data.gantt.TaskSeries
    2Expression generator.dateFormatter cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression that.tasks cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Type java.text.DateFormat of variable generator.dateFormatter does not match with type java.util.List of variable that.tasks
    5Expression generator.dateFormatter cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression that.tasks cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Type java.text.DateFormat of variable generator.dateFormatter does not match with type java.util.List of variable that.tasks
    8Type java.text.DateFormat of variable this.dateFormatter does not match with type java.util.List of variable this.tasks
    9Expression this.numberFormatter.equals(generator.numberFormatter) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Super method call if(!super.equals(obj)) cannot be extracted from method
    11The refactoring of the clones is infeasible, because classes org.jfree.chart.labels.HighLowItemLabelGenerator and org.jfree.data.gantt.TaskSeries do not have a common superclass