if (this.title != null) { this.title.removeChangeListener(this); } this.title = title; if (title != null) { title.addChangeListener(this); } fireChartChanged();
if (this.renderer != null) { this.renderer.removeChangeListener(this); } this.renderer = renderer; if (renderer != null) { renderer.setPlot(this); } fireChangeEvent();
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/JFreeChart.java File path: /jfreechart-1.0.10/src/org/jfree/chart/plot/WaferMapPlot.java
Method name: void setTitle(TextTitle) Method name: void setRenderer(WaferMapRenderer)
Number of AST nodes: 6 Number of AST nodes: 6
1
if (this.title != null) {
1
if (this.renderer != null) {
2
            this.title.removeChangeListener(this);
2
            this.renderer.removeChangeListener(this);
3
        }
3
        }
4
        this.title = title;
4
        this.renderer = renderer;
5
        if (title != null) {
5
        if (renderer != null) {
6
            title.addChangeListener(this);
6
            renderer.setPlot(this);
7
        }
7
        }
8
        fireChartChanged();
8
        fireChangeEvent();
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)0.6
Clones locationClones are in different classes
Number of node comparisons14
  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)17.6
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (this.title != null)
    1
    if (this.title != null)
    1
    if (this.renderer != null)
    Differences
    Expression1Expression2Difference
    titlerendererVARIABLE_NAME_MISMATCH
    org.jfree.chart.title.TextTitleorg.jfree.chart.renderer.WaferMapRendererVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.title.TextTitle of variable this.title does not match with type org.jfree.chart.renderer.WaferMapRenderer of variable this.renderer
    • Make classes org.jfree.chart.title.TextTitle and org.jfree.chart.renderer.WaferMapRenderer extend a common superclass
    1
    if (this.renderer != null)
    2
    this.title.removeChangeListener(this);
    2
    this.title.removeChangeListener(this);
    2
    this.renderer.removeChangeListener(this);
    Differences
    Expression1Expression2Difference
    titlerendererVARIABLE_NAME_MISMATCH
    org.jfree.chart.title.TextTitleorg.jfree.chart.renderer.WaferMapRendererVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.title.TextTitle of variable this.title does not match with type org.jfree.chart.renderer.WaferMapRenderer of variable this.renderer
    • Make classes org.jfree.chart.title.TextTitle and org.jfree.chart.renderer.WaferMapRenderer extend a common superclass
    2
    this.renderer.removeChangeListener(this);
                                                        
    3
    this.renderer = renderer;
    Preondition Violations
    Unmatched statement this.renderer=renderer; cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3
    this.renderer = renderer;
    3
    this.title = title;
    3
    this.title = title;
    Preondition Violations
    Unmatched statement this.title=title; cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                            
    4
    if (title != null)
    4
    if (title != null)
    4
    if (renderer != null)
    Differences
    Expression1Expression2Difference
    titlerendererVARIABLE_NAME_MISMATCH
    org.jfree.chart.title.TextTitleorg.jfree.chart.renderer.WaferMapRendererVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.title.TextTitle of variable title does not match with type org.jfree.chart.renderer.WaferMapRenderer of variable renderer
    • Make classes org.jfree.chart.title.TextTitle and org.jfree.chart.renderer.WaferMapRenderer extend a common superclass
    4
    if (renderer != null)
                                                        
    5
    renderer.setPlot(this);
    Preondition Violations
    Unmatched statement renderer.setPlot(this); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    5
    renderer.setPlot(this);
    5
    title.addChangeListener(this);
    5
    title.addChangeListener(this);
    Preondition Violations
    Unmatched statement title.addChangeListener(this); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                      
    6
    fireChartChanged();
    6
    fireChartChanged();
    6
    fireChangeEvent();
    Differences
    Expression1Expression2Difference
    fireChartChangedfireChangeEventMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression fireChartChanged() is a void method call, and thus it cannot be parameterized
    Expression fireChangeEvent() is a void method call, and thus it cannot be parameterized
    6
    fireChangeEvent();
    Precondition Violations (10)
    Row Violation
    1Type org.jfree.chart.title.TextTitle of variable this.title does not match with type org.jfree.chart.renderer.WaferMapRenderer of variable this.renderer
    2Type org.jfree.chart.title.TextTitle of variable this.title does not match with type org.jfree.chart.renderer.WaferMapRenderer of variable this.renderer
    3Unmatched statement this.renderer=renderer; cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    4Unmatched statement this.title=title; cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    5Type org.jfree.chart.title.TextTitle of variable title does not match with type org.jfree.chart.renderer.WaferMapRenderer of variable renderer
    6Unmatched statement renderer.setPlot(this); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    7Unmatched statement title.addChangeListener(this); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    8Expression fireChartChanged() is a void method call, and thus it cannot be parameterized
    9Expression fireChangeEvent() is a void method call, and thus it cannot be parameterized
    10The refactoring of the clones is infeasible, because classes org.jfree.chart.JFreeChart and org.jfree.chart.plot.WaferMapPlot do not have a common superclass