if (obj == this) { return true; } if (!(obj instanceof KeyToGroupMap)) { return false; } KeyToGroupMap that = (KeyToGroupMap) obj; if (!ObjectUtilities.equal(this.defaultGroup, that.defaultGroup)) { return false; } if (!this.keyToGroupMap.equals(that.keyToGroupMap)) { return false; } return true;
if (obj == this) { return true; } if (!(obj instanceof HistogramDataset)) { return false; } HistogramDataset that = (HistogramDataset) obj; if (!ObjectUtilities.equal(this.type, that.type)) { return false; } if (!ObjectUtilities.equal(this.list, that.list)) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/data/KeyToGroupMap.java File path: /jfreechart-1.0.10/src/org/jfree/data/statistics/HistogramDataset.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 KeyToGroupMap)) {
4
        if (!(obj instanceof HistogramDataset)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        KeyToGroupMap that = (KeyToGroupMap) obj;
7
        HistogramDataset that = (HistogramDataset) obj;
8
        if (!ObjectUtilities.equal(this.defaultGroup, that.defaultGroup)) {
8
        if (!ObjectUtilities.equal(this.type, that.type)) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        if (!this.keyToGroupMap.equals(that.keyToGroupMap)) {
11
        if (!ObjectUtilities.equal(this.list, that.list)) {
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)1.6
Clones locationClones are in different classes
Number of node comparisons41
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements10
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)5.6
    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 KeyToGroupMap))
    3
    if (!(obj instanceof KeyToGroupMap))
    3
    if (!(obj instanceof HistogramDataset))
    Differences
    Expression1Expression2Difference
    org.jfree.data.KeyToGroupMaporg.jfree.data.statistics.HistogramDatasetSUBCLASS_TYPE_MISMATCH
    3
    if (!(obj instanceof HistogramDataset))
    4
    return false;
    4
    return false;
    5
    KeyToGroupMap that = (KeyToGroupMap)obj;
    5
    KeyToGroupMap that = (KeyToGroupMap)obj;
    5
    HistogramDataset that = (HistogramDataset)obj;
    Differences
    Expression1Expression2Difference
    org.jfree.data.KeyToGroupMaporg.jfree.data.statistics.HistogramDatasetSUBCLASS_TYPE_MISMATCH
    org.jfree.data.KeyToGroupMaporg.jfree.data.statistics.HistogramDatasetSUBCLASS_TYPE_MISMATCH
    org.jfree.data.KeyToGroupMaporg.jfree.data.statistics.HistogramDatasetSUBCLASS_TYPE_MISMATCH
    5
    HistogramDataset that = (HistogramDataset)obj;
    6
    if (!ObjectUtilities.equal(this.defaultGroup, that.defaultGroup))
    6
    if (!ObjectUtilities.equal(this.defaultGroup, that.defaultGroup))
    6
    if (!ObjectUtilities.equal(this.type, that.type))
    Differences
    Expression1Expression2Difference
    defaultGrouptypeVARIABLE_NAME_MISMATCH
    java.lang.Comparableorg.jfree.data.statistics.HistogramTypeVARIABLE_TYPE_MISMATCH
    org.jfree.data.KeyToGroupMaporg.jfree.data.statistics.HistogramDatasetSUBCLASS_TYPE_MISMATCH
    defaultGrouptypeVARIABLE_NAME_MISMATCH
    java.lang.Comparableorg.jfree.data.statistics.HistogramTypeVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.Comparable of variable this.defaultGroup does not match with type org.jfree.data.statistics.HistogramType of variable this.type
    • Make classes java.lang.Comparable and org.jfree.data.statistics.HistogramType extend a common superclass
    Expression that.defaultGroup cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.type cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type java.lang.Comparable of variable that.defaultGroup does not match with type org.jfree.data.statistics.HistogramType of variable that.type
    • Make classes java.lang.Comparable and org.jfree.data.statistics.HistogramType extend a common superclass
    6
    if (!ObjectUtilities.equal(this.type, that.type))
    7
    return false;
    7
    return false;
    8
    if (!this.keyToGroupMap.equals(that.keyToGroupMap))
    8
    if (!this.keyToGroupMap.equals(that.keyToGroupMap))
    8
    if (!ObjectUtilities.equal(this.list, that.list))
    Differences
    Expression1Expression2Difference
    this.keyToGroupMap.equals(that.keyToGroupMap)ObjectUtilities.equal(this.list,that.list)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression this.keyToGroupMap.equals(that.keyToGroupMap) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression ObjectUtilities.equal(this.list,that.list) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8
    if (!ObjectUtilities.equal(this.list, that.list))
    9
    return false;
    9
    return false;
    10
    return true;
    10
    return true;
    Precondition Violations (7)
    Row Violation
    1Type java.lang.Comparable of variable this.defaultGroup does not match with type org.jfree.data.statistics.HistogramType of variable this.type
    2Expression that.defaultGroup cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression that.type cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Type java.lang.Comparable of variable that.defaultGroup does not match with type org.jfree.data.statistics.HistogramType of variable that.type
    5Expression this.keyToGroupMap.equals(that.keyToGroupMap) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression ObjectUtilities.equal(this.list,that.list) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7The refactoring of the clones is infeasible, because classes org.jfree.data.KeyToGroupMap and org.jfree.data.statistics.HistogramDataset do not have a common superclass