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;
if (obj == this) { return true; } if (!(obj instanceof TimeSeriesCollection)) { return false; } TimeSeriesCollection that = (TimeSeriesCollection) obj; if (this.xPosition != that.xPosition) { return false; } if (this.domainIsPointsInTime != that.domainIsPointsInTime) { return false; } if (!ObjectUtilities.equal(this.data, that.data)) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/data/statistics/SimpleHistogramDataset.java File path: /jfreechart-1.0.10/src/org/jfree/data/time/TimeSeriesCollection.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
        }
3
        }
4
        if (!(obj instanceof SimpleHistogramDataset)) {
4
        if (!(obj instanceof TimeSeriesCollection)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        SimpleHistogramDataset that = (SimpleHistogramDataset) obj;
7
        TimeSeriesCollection that = (TimeSeriesCollection) obj;
8
        if (!this.key.equals(that.key)) {
8
        if (this.xPosition != that.xPosition) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        if (this.adjustForBinSize != that.adjustForBinSize) {
11
        if (this.domainIsPointsInTime != that.domainIsPointsInTime) {
12
            return false;
12
            return false;
13
        }
13
        }
14
        if (!this.bins.equals(that.bins)) {
14
        if (!ObjectUtilities.equal(this.data, that.data)) {
15
            return false;
15
            return false;
16
        }
16
        }
17
        return true;
17
        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)3.0
Clones locationClones are in different classes having the same super class
Number of node comparisons44
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements9
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)7.0
    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 SimpleHistogramDataset))
    3
    if (!(obj instanceof SimpleHistogramDataset))
    3
    if (!(obj instanceof TimeSeriesCollection))
    Differences
    Expression1Expression2Difference
    org.jfree.data.statistics.SimpleHistogramDatasetorg.jfree.data.time.TimeSeriesCollectionSUBCLASS_TYPE_MISMATCH
    3
    if (!(obj instanceof TimeSeriesCollection))
    4
    return false;
    4
    return false;
    5
    SimpleHistogramDataset that = (SimpleHistogramDataset)obj;
    5
    SimpleHistogramDataset that = (SimpleHistogramDataset)obj;
    5
    TimeSeriesCollection that = (TimeSeriesCollection)obj;
    Differences
    Expression1Expression2Difference
    org.jfree.data.statistics.SimpleHistogramDatasetorg.jfree.data.time.TimeSeriesCollectionSUBCLASS_TYPE_MISMATCH
    org.jfree.data.statistics.SimpleHistogramDatasetorg.jfree.data.time.TimeSeriesCollectionSUBCLASS_TYPE_MISMATCH
    org.jfree.data.statistics.SimpleHistogramDatasetorg.jfree.data.time.TimeSeriesCollectionSUBCLASS_TYPE_MISMATCH
    5
    TimeSeriesCollection that = (TimeSeriesCollection)obj;
                                                                                  
    6
    if (this.xPosition != that.xPosition)
    Preondition Violations
    Unmatched statement if(this.xPosition != that.xPosition) cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    6
    if (this.xPosition != that.xPosition)
                                    
    7
    return false;
    Preondition Violations
    Unmatched return false;
    7
    return false;
    6
    if (!this.key.equals(that.key))
    6
    if (!this.key.equals(that.key))
    10
    if (!ObjectUtilities.equal(this.data, that.data))
    Differences
    Expression1Expression2Difference
    this.key.equals(that.key)ObjectUtilities.equal(this.data,that.data)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression this.key.equals(that.key) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression ObjectUtilities.equal(this.data,that.data) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10
    if (!ObjectUtilities.equal(this.data, that.data))
    7
    return false;
    11
    return false;
    8
    if (this.adjustForBinSize != that.adjustForBinSize)
    8
    if (this.adjustForBinSize != that.adjustForBinSize)
    8
    if (this.domainIsPointsInTime != that.domainIsPointsInTime)
    Differences
    Expression1Expression2Difference
    adjustForBinSizedomainIsPointsInTimeVARIABLE_NAME_MISMATCH
    org.jfree.data.statistics.SimpleHistogramDatasetorg.jfree.data.time.TimeSeriesCollectionSUBCLASS_TYPE_MISMATCH
    adjustForBinSizedomainIsPointsInTimeVARIABLE_NAME_MISMATCH
    Preondition Violations
    Expression that.adjustForBinSize cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.domainIsPointsInTime cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8
    if (this.domainIsPointsInTime != that.domainIsPointsInTime)
    9
    return false;
    9
    return false;
    Precondition Violations (8)
    Row Violation
    1Unmatched statement if(this.xPosition != that.xPosition) cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2Unmatched return false;
    3Expression this.key.equals(that.key) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression ObjectUtilities.equal(this.data,that.data) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression that.adjustForBinSize cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression that.domainIsPointsInTime cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Clone fragment #1 returns variable that with type org.jfree.data.statistics.SimpleHistogramDataset , while Clone fragment #2 returns variable that with type org.jfree.data.time.TimeSeriesCollection
    8Not all possible execution flows end in a return statement