if (this.itemLabelGenerator != null) { return this.itemLabelGenerator; } // otherwise look up the generator table CategoryItemLabelGenerator generator = (CategoryItemLabelGenerator) this.itemLabelGeneratorList.get(series); if (generator == null) { generator = this.baseItemLabelGenerator; } return generator;
if (this.itemLabelGenerator != null) { return this.itemLabelGenerator; } // otherwise look up the generator table XYItemLabelGenerator generator = (XYItemLabelGenerator) this.itemLabelGeneratorList.get(series); if (generator == null) { generator = this.baseItemLabelGenerator; } return generator;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/renderer/category/AbstractCategoryItemRenderer.java File path: /jfreechart-1.0.10/src/org/jfree/chart/renderer/xy/AbstractXYItemRenderer.java
Method name: CategoryItemLabelGenerator getSeriesItemLabelGenerator(int) Method name: XYItemLabelGenerator getItemLabelGenerator(int, int)
Number of AST nodes: 6 Number of AST nodes: 6
1
if (this.itemLabelGenerator != null) {
1
if (this.itemLabelGenerator != null) {
2
            return this.itemLabelGenerator;
2
            return this.itemLabelGenerator;
3
        }
3
        }
4
        // otherwise look up the generator table
4
        // otherwise look up the generator table
5
        CategoryItemLabelGenerator generator = (Category
5
        XYItemLabelGenerator generator
6
ItemLabelGenerator)
6
            = (XYItemLabelGenerator)
7
            this.itemLabelGeneratorList.get(series);
7
 this.itemLabelGeneratorList.get(series);
8
        if (generator == null) {
8
        if (generator == null) {
9
            generator = this.baseItemLabelGenerator;
9
            generator = this.baseItemLabelGenerator;
10
        }
10
        }
11
        return generator;
11
        return generator;
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)0.4
Clones locationClones are in different classes having the same super class
Number of node comparisons14
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements2
    Number of unmapped statements in the first code fragment4
    Number of unmapped statements in the second code fragment4
    Time elapsed for statement mapping (ms)17.0
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (this.itemLabelGenerator != null)
    1
    if (this.itemLabelGenerator != null)
    1
    if (this.itemLabelGenerator != null)
    Differences
    Expression1Expression2Difference
    org.jfree.chart.labels.CategoryItemLabelGeneratororg.jfree.chart.labels.XYItemLabelGeneratorVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.labels.CategoryItemLabelGenerator of variable this.itemLabelGenerator does not match with type org.jfree.chart.labels.XYItemLabelGenerator of variable this.itemLabelGenerator
    • Make classes org.jfree.chart.labels.CategoryItemLabelGenerator and org.jfree.chart.labels.XYItemLabelGenerator extend a common superclass
    1
    if (this.itemLabelGenerator != null)
                                                                        
    2
    return this.itemLabelGenerator;
    Preondition Violations
    Unmatched statement return this.itemLabelGenerator; cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    Unmatched return this.itemLabelGenerator;
    2
    return this.itemLabelGenerator;
    2
    return this.itemLabelGenerator;
    2
    return this.itemLabelGenerator;
    Preondition Violations
    Unmatched statement return this.itemLabelGenerator; cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    Unmatched return this.itemLabelGenerator;
                                                                        
                                                                                                                                                                                                    
    3
    XYItemLabelGenerator generator = (XYItemLabelGenerator)this.itemLabelGeneratorList.get(series);
    3
    CategoryItemLabelGenerator generator = (CategoryItemLabelGenerator)this.itemLabelGeneratorList.get(series);
                                                                                                                                                                                                                            
    4
    if (generator == null)
    4
    if (generator == null)
    4
    if (generator == null)
    Differences
    Expression1Expression2Difference
    org.jfree.chart.labels.CategoryItemLabelGeneratororg.jfree.chart.labels.XYItemLabelGeneratorVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.labels.CategoryItemLabelGenerator of variable generator does not match with type org.jfree.chart.labels.XYItemLabelGenerator of variable generator
    • Make classes org.jfree.chart.labels.CategoryItemLabelGenerator and org.jfree.chart.labels.XYItemLabelGenerator extend a common superclass
    4
    if (generator == null)
                                                                                      
    5
    generator = this.baseItemLabelGenerator;
    Preondition Violations
    Unmatched statement generator=this.baseItemLabelGenerator; cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    5
    generator = this.baseItemLabelGenerator;
    5
    generator = this.baseItemLabelGenerator;
    5
    generator = this.baseItemLabelGenerator;
    Preondition Violations
    Unmatched statement generator=this.baseItemLabelGenerator; cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                                      
                                            
    6
    return generator;
    Preondition Violations
    Unmatched return generator;
    6
    return generator;
    6
    return generator;
    6
    return generator;
    Preondition Violations
    Unmatched return generator;
                                            
    Precondition Violations (11)
    Row Violation
    1Type org.jfree.chart.labels.CategoryItemLabelGenerator of variable this.itemLabelGenerator does not match with type org.jfree.chart.labels.XYItemLabelGenerator of variable this.itemLabelGenerator
    2Unmatched statement return this.itemLabelGenerator; cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched return this.itemLabelGenerator;
    4Unmatched statement return this.itemLabelGenerator; cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    5Unmatched return this.itemLabelGenerator;
    6Type org.jfree.chart.labels.CategoryItemLabelGenerator of variable generator does not match with type org.jfree.chart.labels.XYItemLabelGenerator of variable generator
    7Unmatched statement generator=this.baseItemLabelGenerator; cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    8Unmatched statement generator=this.baseItemLabelGenerator; cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    9Unmatched return generator;
    10Unmatched return generator;
    11The refactoring of the clones is infeasible, because the number of macthed statements is equal to zero