if (obj == this) { return true; } if (!(obj instanceof SlidingGanttCategoryDataset)) { return false; } SlidingGanttCategoryDataset that = (SlidingGanttCategoryDataset) obj; if (this.firstCategoryIndex != that.firstCategoryIndex) { return false; } if (this.maximumCategoryCount != that.maximumCategoryCount) { return false; } if (!this.underlying.equals(that.underlying)) { return false; } return true;
if (obj == this) { return true; } if (!(obj instanceof SimpleHistogramDataset)) { return false; } SimpleHistogramDataset that = (SimpleHistogramDataset) obj; if (!this.key.equals(that.key)) { return false; } if (this.adjustForBinSize != that.adjustForBinSize) { return false; } if (!this.bins.equals(that.bins)) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/data/gantt/SlidingGanttCategoryDataset.java File path: /jfreechart-1.0.10/src/org/jfree/data/statistics/SimpleHistogramDataset.java
Method name: boolean equals(Object) Method name: boolean equals(Object)
Number of AST nodes: 12 Number of AST nodes: 12
1
if (obj == this) {
1
if (obj == this) {
2
			return true;
2
            return true;
3
		}
4
		
3
        }
5
if (!(obj instanceof SlidingGanttCategoryDataset)) {
4
        if (!(obj instanceof SimpleHistogramDataset)) {
6
			return false;
5
            return false;
7
		}
8
		SlidingGanttCategoryDataset that = (SlidingGanttCategory
6
        }
9
Dataset) obj;
7
        SimpleHistogramDataset that = (SimpleHistogramDataset) obj;
10
		if (this.firstCategoryIndex != that.firstCategoryIndex) {
8
        if (!this.
11
			return false;
12
		}
13
		if (this.maximumCategoryCount != that.maximumCategoryCount) {
14
			return false;
15
		}
16
		
9
key.equals(that.key)) {
10
            return false;
11
        }
12
        if (this.adjustForBinSize != that.adjustForBinSize) {
13
            return false;
14
        }
17
if (!this.underlying.equals(that.underlying)) {
15
        if (!this.bins.equals(that.bins)) {
18
			return false;
16
            return false;
19
		}
20
		
17
        }
21
return true;
18
        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)3.2
Clones locationClones are in different classes having the same super class
Number of node comparisons41
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements9
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)5.5
    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 SlidingGanttCategoryDataset))
    3
    if (!(obj instanceof SlidingGanttCategoryDataset))
    3
    if (!(obj instanceof SimpleHistogramDataset))
    Differences
    Expression1Expression2Difference
    org.jfree.data.gantt.SlidingGanttCategoryDatasetorg.jfree.data.statistics.SimpleHistogramDatasetSUBCLASS_TYPE_MISMATCH
    3
    if (!(obj instanceof SimpleHistogramDataset))
    4
    return false;
    4
    return false;
    5
    SlidingGanttCategoryDataset that = (SlidingGanttCategoryDataset)obj;
    5
    SlidingGanttCategoryDataset that = (SlidingGanttCategoryDataset)obj;
    5
    SimpleHistogramDataset that = (SimpleHistogramDataset)obj;
    Differences
    Expression1Expression2Difference
    org.jfree.data.gantt.SlidingGanttCategoryDatasetorg.jfree.data.statistics.SimpleHistogramDatasetSUBCLASS_TYPE_MISMATCH
    org.jfree.data.gantt.SlidingGanttCategoryDatasetorg.jfree.data.statistics.SimpleHistogramDatasetSUBCLASS_TYPE_MISMATCH
    org.jfree.data.gantt.SlidingGanttCategoryDatasetorg.jfree.data.statistics.SimpleHistogramDatasetSUBCLASS_TYPE_MISMATCH
    5
    SimpleHistogramDataset that = (SimpleHistogramDataset)obj;
    6
    if (this.firstCategoryIndex != that.firstCategoryIndex)
    6
    if (this.firstCategoryIndex != that.firstCategoryIndex)
    8
    if (this.adjustForBinSize != that.adjustForBinSize)
    Differences
    Expression1Expression2Difference
    firstCategoryIndexadjustForBinSizeVARIABLE_NAME_MISMATCH
    intbooleanVARIABLE_TYPE_MISMATCH
    org.jfree.data.gantt.SlidingGanttCategoryDatasetorg.jfree.data.statistics.SimpleHistogramDatasetSUBCLASS_TYPE_MISMATCH
    firstCategoryIndexadjustForBinSizeVARIABLE_NAME_MISMATCH
    intbooleanVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type int of variable this.firstCategoryIndex does not match with type boolean of variable this.adjustForBinSize
    Expression that.firstCategoryIndex cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.adjustForBinSize cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type int of variable that.firstCategoryIndex does not match with type boolean of variable that.adjustForBinSize
    8
    if (this.adjustForBinSize != that.adjustForBinSize)
    7
    return false;
    9
    return false;
    8
    if (this.maximumCategoryCount != that.maximumCategoryCount)
    8
    if (this.maximumCategoryCount != that.maximumCategoryCount)
    Preondition Violations
    Unmatched statement if(this.maximumCategoryCount != that.maximumCategoryCount) cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                                                                              
    9
    return false;
    9
    return false;
    Preondition Violations
    Unmatched return false;
                                    
    10
    if (!this.underlying.equals(that.underlying))
    10
    if (!this.underlying.equals(that.underlying))
    6
    if (!this.key.equals(that.key))
    Differences
    Expression1Expression2Difference
    org.jfree.data.gantt.SlidingGanttCategoryDatasetorg.jfree.data.statistics.SimpleHistogramDatasetSUBCLASS_TYPE_MISMATCH
    underlyingkeyVARIABLE_NAME_MISMATCH
    org.jfree.data.gantt.GanttCategoryDatasetjava.lang.ComparableVARIABLE_TYPE_MISMATCH
    underlyingkeyVARIABLE_NAME_MISMATCH
    org.jfree.data.gantt.GanttCategoryDatasetjava.lang.ComparableVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Expression that.underlying cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.key cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type org.jfree.data.gantt.GanttCategoryDataset of variable that.underlying does not match with type java.lang.Comparable of variable that.key
    • Make classes org.jfree.data.gantt.GanttCategoryDataset and java.lang.Comparable extend a common superclass
    Type org.jfree.data.gantt.GanttCategoryDataset of variable this.underlying does not match with type java.lang.Comparable of variable this.key
    • Make classes org.jfree.data.gantt.GanttCategoryDataset and java.lang.Comparable extend a common superclass
    6
    if (!this.key.equals(that.key))
    11
    return false;
    7
    return false;
    Precondition Violations (12)
    Row Violation
    1Type int of variable this.firstCategoryIndex does not match with type boolean of variable this.adjustForBinSize
    2Expression that.firstCategoryIndex cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression that.adjustForBinSize cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Type int of variable that.firstCategoryIndex does not match with type boolean of variable that.adjustForBinSize
    5Unmatched statement if(this.maximumCategoryCount != that.maximumCategoryCount) cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    6Unmatched return false;
    7Expression that.underlying cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Expression that.key cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9Type org.jfree.data.gantt.GanttCategoryDataset of variable that.underlying does not match with type java.lang.Comparable of variable that.key
    10Type org.jfree.data.gantt.GanttCategoryDataset of variable this.underlying does not match with type java.lang.Comparable of variable this.key
    11Clone fragment #1 returns variable that with type org.jfree.data.gantt.SlidingGanttCategoryDataset , while Clone fragment #2 returns variable that with type org.jfree.data.statistics.SimpleHistogramDataset
    12Not all possible execution flows end in a return statement