if (obj == this) { return true; } if (!(obj instanceof HighLowItemLabelGenerator)) { return false; } HighLowItemLabelGenerator generator = (HighLowItemLabelGenerator) obj; if (!this.dateFormatter.equals(generator.dateFormatter)) { return false; } if (!this.numberFormatter.equals(generator.numberFormatter)) { return false; } return true;
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/labels/HighLowItemLabelGenerator.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 HighLowItemLabelGenerator)) {
4
        if (!(obj instanceof XYBarDataset)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        HighLowItemLabelGenerator generator = (HighLowItemLabelGenerator) obj;
7
        XYBarDataset that = (XYBarDataset) obj;
8
        if (!this.dateFormatter.equals(generator.dateFormatter)) {
8
        if (!this.underlying.equals(that.underlying)) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        if (!this.numberFormatter.equals(generator.numberFormatter)) {
11
        if (this.barWidth != that.barWidth) {
12
            return false;   
12
            return false;
13
        }
13
        }
14
        return true;
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)1.7
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 fragment0
    Time elapsed for statement mapping (ms)3.2
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (obj == this)
    1
    if (obj == this)
    2
    return true;
    2
    return true;
    3
    if (!(obj instanceof HighLowItemLabelGenerator))
    3
    if (!(obj instanceof HighLowItemLabelGenerator))
    3
    if (!(obj instanceof XYBarDataset))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.labels.HighLowItemLabelGeneratororg.jfree.data.xy.XYBarDatasetSUBCLASS_TYPE_MISMATCH
    3
    if (!(obj instanceof XYBarDataset))
    4
    return false;
    4
    return false;
    5
    HighLowItemLabelGenerator generator = (HighLowItemLabelGenerator)obj;
    5
    HighLowItemLabelGenerator generator = (HighLowItemLabelGenerator)obj;
    5
    XYBarDataset that = (XYBarDataset)obj;
    Differences
    Expression1Expression2Difference
    org.jfree.chart.labels.HighLowItemLabelGeneratororg.jfree.data.xy.XYBarDatasetSUBCLASS_TYPE_MISMATCH
    generatorthatVARIABLE_NAME_MISMATCH
    org.jfree.chart.labels.HighLowItemLabelGeneratororg.jfree.data.xy.XYBarDatasetSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.labels.HighLowItemLabelGeneratororg.jfree.data.xy.XYBarDatasetSUBCLASS_TYPE_MISMATCH
    5
    XYBarDataset that = (XYBarDataset)obj;
    6
    if (!this.dateFormatter.equals(generator.dateFormatter))
    6
    if (!this.dateFormatter.equals(generator.dateFormatter))
    6
    if (!this.underlying.equals(that.underlying))
    Differences
    Expression1Expression2Difference
    generatorthatVARIABLE_NAME_MISMATCH
    org.jfree.chart.labels.HighLowItemLabelGeneratororg.jfree.data.xy.XYBarDatasetSUBCLASS_TYPE_MISMATCH
    dateFormatterunderlyingVARIABLE_NAME_MISMATCH
    java.text.DateFormatorg.jfree.data.xy.XYDatasetVARIABLE_TYPE_MISMATCH
    dateFormatterunderlyingVARIABLE_NAME_MISMATCH
    java.text.DateFormatorg.jfree.data.xy.XYDatasetVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Expression generator.dateFormatter cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.underlying cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression generator.dateFormatter cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.underlying cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type java.text.DateFormat of variable generator.dateFormatter does not match with type org.jfree.data.xy.XYDataset of variable that.underlying
    • Make classes java.text.DateFormat and org.jfree.data.xy.XYDataset extend a common superclass
    Type java.text.DateFormat of variable this.dateFormatter does not match with type org.jfree.data.xy.XYDataset of variable this.underlying
    • Make classes java.text.DateFormat and org.jfree.data.xy.XYDataset extend a common superclass
    6
    if (!this.underlying.equals(that.underlying))
    7
    return false;
    7
    return false;
    Precondition Violations (9)
    Row Violation
    1Expression generator.dateFormatter cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression that.underlying cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression generator.dateFormatter cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression that.underlying cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Type java.text.DateFormat of variable generator.dateFormatter does not match with type org.jfree.data.xy.XYDataset of variable that.underlying
    6Type java.text.DateFormat of variable this.dateFormatter does not match with type org.jfree.data.xy.XYDataset of variable this.underlying
    7Clone fragment #1 returns variable generator with type org.jfree.chart.labels.HighLowItemLabelGenerator , while Clone fragment #2 returns variable that with type org.jfree.data.xy.XYBarDataset
    8Not all possible execution flows end in a return statement
    9The refactoring of the clones is infeasible, because classes org.jfree.chart.labels.HighLowItemLabelGenerator and org.jfree.data.xy.XYBarDataset do not have a common superclass