if (font == null) { throw new IllegalArgumentException("Null 'font' argument."); } if (!this.labelFont.equals(font)) { this.labelFont = font; notifyListeners(new AxisChangeEvent(this)); }
if (font == null) { throw new IllegalArgumentException("Null 'font' argument."); } if (!this.font.equals(font)) { this.font = font; notifyListeners(new TitleChangeEvent(this)); }
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/axis/Axis.java File path: /jfreechart-1.0.10/src/org/jfree/chart/title/TextTitle.java
Method name: void setLabelFont(Font) Method name: void setFont(Font)
Number of AST nodes: 5 Number of AST nodes: 5
1
if (font == null) {
1
if (font == null) {
2
            throw new IllegalArgumentException("Null 'font' argument.");
2
            throw new IllegalArgumentException("Null 'font' argument.");
3
        }
3
        }
4
        if (!this.labelFont.equals(font)) {
4
        if (!this.font.equals(font)) {
5
            this.labelFont = font;
5
            this.font = font;
6
            notifyListeners(new AxisChangeEvent(this));
6
            notifyListeners(new TitleChangeEvent(this));
7
        }
7
        }
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 comparisons15
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements5
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)9.1
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (font == null)
    1
    if (font == null)
    2
    throw new IllegalArgumentException("Null 'font' argument.");
    2
    throw new IllegalArgumentException("Null 'font' argument.");
    3
    if (!this.labelFont.equals(font))
    3
    if (!this.labelFont.equals(font))
    3
    if (!this.font.equals(font))
    Differences
    Expression1Expression2Difference
    labelFontfontVARIABLE_NAME_MISMATCH
    3
    if (!this.font.equals(font))
    4
    this.labelFont = font;
    4
    this.labelFont = font;
    4
    this.font = font;
    Differences
    Expression1Expression2Difference
    labelFontfontVARIABLE_NAME_MISMATCH
    Preondition Violations
    Expression this.labelFont cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression this.font cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression this.labelFont is a field being modified, and thus it cannot be parameterized
    Expression this.font is a field being modified, and thus it cannot be parameterized
    4
    this.font = font;
    5
    notifyListeners(new AxisChangeEvent(this));
    5
    notifyListeners(new AxisChangeEvent(this));
    5
    notifyListeners(new TitleChangeEvent(this));
    Differences
    Expression1Expression2Difference
    org.jfree.chart.event.AxisChangeEventorg.jfree.chart.event.TitleChangeEventSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression new AxisChangeEvent(this) cannot be unified with expression new TitleChangeEvent(this) , because common superclass type org.jfree.chart.event.ChartChangeEvent cannot be passed as an argument to protected void notifyListeners(org.jfree.chart.event.AxisChangeEvent)
    5
    notifyListeners(new TitleChangeEvent(this));
    Precondition Violations (6)
    Row Violation
    1Expression this.labelFont cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression this.font cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression this.labelFont is a field being modified, and thus it cannot be parameterized
    4Expression this.font is a field being modified, and thus it cannot be parameterized
    5Expression new AxisChangeEvent(this) cannot be unified with expression new TitleChangeEvent(this) , because common superclass type org.jfree.chart.event.ChartChangeEvent cannot be passed as an argument to protected void notifyListeners(org.jfree.chart.event.AxisChangeEvent)
    6The refactoring of the clones is infeasible, because classes org.jfree.chart.axis.Axis and org.jfree.chart.title.TextTitle do not have a common superclass