if (obj == this) { return true; } if (!(obj instanceof VectorRenderer)) { return false; } VectorRenderer that = (VectorRenderer) obj; if (this.baseLength != that.baseLength) { return false; } if (this.headLength != that.headLength) { return false; } return super.equals(obj);
if (obj == this) { return true; } if (!(obj instanceof XYBarDataset)) { return false; } XYBarDataset that = (XYBarDataset) obj; if (!this.underlying.equals(that.underlying)) { return false; } if (this.barWidth != that.barWidth) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/renderer/xy/VectorRenderer.java File path: /jfreechart-1.0.10/src/org/jfree/data/xy/XYBarDataset.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 VectorRenderer)) {
4
        if (!(obj instanceof XYBarDataset)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        VectorRenderer that = (VectorRenderer) obj;
7
        XYBarDataset that = (XYBarDataset) obj;
8
        if (this.baseLength != that.baseLength) {
8
        if (!this.underlying.equals(that.underlying)) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        if (this.headLength != that.headLength) {
11
        if (this.barWidth != that.barWidth) {
12
            return false;
12
            return false;
13
        }
13
        }
14
        return super.equals(obj);
14
        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)2.3
Clones locationClones are in different classes
Number of node comparisons29
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements7
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)3.9
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    if (obj == this)
    1
    if (obj == this)
    2
    return true;
    2
    return true;
    3
    if (!(obj instanceof VectorRenderer))
    3
    if (!(obj instanceof VectorRenderer))
    3
    if (!(obj instanceof XYBarDataset))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.renderer.xy.VectorRendererorg.jfree.data.xy.XYBarDatasetSUBCLASS_TYPE_MISMATCH
    3
    if (!(obj instanceof XYBarDataset))
    4
    return false;
    4
    return false;
    5
    VectorRenderer that = (VectorRenderer)obj;
    5
    VectorRenderer that = (VectorRenderer)obj;
    5
    XYBarDataset that = (XYBarDataset)obj;
    Differences
    Expression1Expression2Difference
    org.jfree.chart.renderer.xy.VectorRendererorg.jfree.data.xy.XYBarDatasetSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.renderer.xy.VectorRendererorg.jfree.data.xy.XYBarDatasetSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.renderer.xy.VectorRendererorg.jfree.data.xy.XYBarDatasetSUBCLASS_TYPE_MISMATCH
    5
    XYBarDataset that = (XYBarDataset)obj;
                                                                                                  
    6
    if (!this.underlying.equals(that.underlying))
    Preondition Violations
    Unmatched statement if(!this.underlying.equals(that.underlying)) cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    6
    if (!this.underlying.equals(that.underlying))
                                    
    7
    return false;
    Preondition Violations
    Unmatched return false;
    7
    return false;
    6
    if (this.baseLength != that.baseLength)
    6
    if (this.baseLength != that.baseLength)
    8
    if (this.barWidth != that.barWidth)
    Differences
    Expression1Expression2Difference
    baseLengthbarWidthVARIABLE_NAME_MISMATCH
    org.jfree.chart.renderer.xy.VectorRendererorg.jfree.data.xy.XYBarDatasetSUBCLASS_TYPE_MISMATCH
    baseLengthbarWidthVARIABLE_NAME_MISMATCH
    Preondition Violations
    Expression that.baseLength cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.barWidth cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8
    if (this.barWidth != that.barWidth)
    7
    return false;
    9
    return false;
    Precondition Violations (7)
    Row Violation
    1Unmatched statement if(!this.underlying.equals(that.underlying)) cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2Unmatched return false;
    3Expression that.baseLength cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression that.barWidth cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Clone fragment #1 returns variable that with type org.jfree.chart.renderer.xy.VectorRenderer , while Clone fragment #2 returns variable that with type org.jfree.data.xy.XYBarDataset
    6Not all possible execution flows end in a return statement
    7The refactoring of the clones is infeasible, because classes org.jfree.chart.renderer.xy.VectorRenderer and org.jfree.data.xy.XYBarDataset do not have a common superclass