AbstractCategoryItemLabelGenerator clone = (AbstractCategoryItemLabelGenerator) super.clone(); if (this.numberFormat != null) { clone.numberFormat = (NumberFormat) this.numberFormat.clone(); } if (this.dateFormat != null) { clone.dateFormat = (DateFormat) this.dateFormat.clone(); } return clone;
AbstractPieItemLabelGenerator clone = (AbstractPieItemLabelGenerator) super.clone(); if (this.numberFormat != null) { clone.numberFormat = (NumberFormat) this.numberFormat.clone(); } if (this.percentFormat != null) { clone.percentFormat = (NumberFormat) this.percentFormat.clone(); } return clone;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/labels/AbstractCategoryItemLabelGenerator.java File path: /jfreechart-1.0.10/src/org/jfree/chart/labels/AbstractPieItemLabelGenerator.java
Method name: Object clone() Method name: Object clone()
Number of AST nodes: 6 Number of AST nodes: 6
1
AbstractCategoryItemLabelGenerator clone 
1
AbstractPieItemLabelGenerator clone
2
            = (AbstractCategoryItemLabelGenerator) super.clone();
2
                = (AbstractPieItemLabelGenerator) super.clone();
3
        if (this.numberFormat != null) {
3
        if (this.numberFormat != null) {
4
            clone.numberFormat = (NumberFormat) this.numberFormat.clone();
4
            clone.numberFormat = (NumberFormat) this.numberFormat.clone();
5
        } 
5
        }
6
        if (this.dateFormat != null) {
6
        if (this.percentFormat != null) {
7
            clone.dateFormat = (DateFormat) this.dateFormat.clone();
7
            clone.percentFormat = (NumberFormat) this.percentFormat.clone();
8
        } 
8
        }
9
        return clone;
9
        return clone;
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
Number of node comparisons17
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements4
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)3.1
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                                                                                                            
    1
    AbstractPieItemLabelGenerator clone = (AbstractPieItemLabelGenerator)super.clone();
    1
    AbstractCategoryItemLabelGenerator clone = (AbstractCategoryItemLabelGenerator)super.clone();
                                                                                                                                                                                                
    2
    if (this.numberFormat != null)
    2
    if (this.numberFormat != null)
    3
    clone.numberFormat = (NumberFormat)this.numberFormat.clone();
    3
    clone.numberFormat = (NumberFormat)this.numberFormat.clone();
    3
    clone.numberFormat = (NumberFormat)this.numberFormat.clone();
    Differences
    Expression1Expression2Difference
    org.jfree.chart.labels.AbstractCategoryItemLabelGeneratororg.jfree.chart.labels.AbstractPieItemLabelGeneratorVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.text.NumberFormat of variable clone.numberFormat does not match with type java.text.NumberFormat of variable clone.numberFormat
    • Make classes org.jfree.chart.labels.AbstractCategoryItemLabelGenerator and org.jfree.chart.labels.AbstractPieItemLabelGenerator extend a common superclass
    3
    clone.numberFormat = (NumberFormat)this.numberFormat.clone();
    4
    if (this.dateFormat != null)
    4
    if (this.dateFormat != null)
    4
    if (this.percentFormat != null)
    Differences
    Expression1Expression2Difference
    dateFormatpercentFormatVARIABLE_NAME_MISMATCH
    java.text.DateFormatjava.text.NumberFormatSUBCLASS_TYPE_MISMATCH
    4
    if (this.percentFormat != null)
    5
    clone.dateFormat = (DateFormat)this.dateFormat.clone();
    5
    clone.dateFormat = (DateFormat)this.dateFormat.clone();
    5
    clone.percentFormat = (NumberFormat)this.percentFormat.clone();
    Differences
    Expression1Expression2Difference
    org.jfree.chart.labels.AbstractCategoryItemLabelGeneratororg.jfree.chart.labels.AbstractPieItemLabelGeneratorVARIABLE_TYPE_MISMATCH
    dateFormatpercentFormatVARIABLE_NAME_MISMATCH
    java.text.DateFormatjava.text.NumberFormatSUBCLASS_TYPE_MISMATCH
    java.text.DateFormatjava.text.NumberFormatSUBCLASS_TYPE_MISMATCH
    dateFormatpercentFormatVARIABLE_NAME_MISMATCH
    java.text.DateFormatjava.text.NumberFormatSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Type java.text.DateFormat of variable clone.dateFormat does not match with type java.text.NumberFormat of variable clone.percentFormat
    • Make classes org.jfree.chart.labels.AbstractCategoryItemLabelGenerator and org.jfree.chart.labels.AbstractPieItemLabelGenerator extend a common superclass
    Expression clone.dateFormat cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression clone.percentFormat cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression clone.dateFormat is a field being modified, and thus it cannot be parameterized
    Expression clone.percentFormat is a field being modified, and thus it cannot be parameterized
    Expression (DateFormat)this.dateFormat.clone() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression (NumberFormat)this.percentFormat.clone() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5
    clone.percentFormat = (NumberFormat)this.percentFormat.clone();
                                    
    6
    return clone;
    6
    return clone;
                                    
    Precondition Violations (8)
    Row Violation
    1Type java.text.NumberFormat of variable clone.numberFormat does not match with type java.text.NumberFormat of variable clone.numberFormat
    2Type java.text.DateFormat of variable clone.dateFormat does not match with type java.text.NumberFormat of variable clone.percentFormat
    3Expression clone.dateFormat cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression clone.percentFormat cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression clone.dateFormat is a field being modified, and thus it cannot be parameterized
    6Expression clone.percentFormat is a field being modified, and thus it cannot be parameterized
    7Expression (DateFormat)this.dateFormat.clone() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Expression (NumberFormat)this.percentFormat.clone() cannot be parameterized, because it has dependencies to/from statements that will be extracted