if (obj == this) { return true; } if (!(obj instanceof Hour)) { return false; } Hour that = (Hour) obj; if (this.hour != that.hour) { return false; } if (!this.day.equals(that.day)) { 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/data/time/Hour.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 Hour)) {
4
        if (!(obj instanceof XYBarDataset)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        Hour that = (Hour) obj;
7
        XYBarDataset that = (XYBarDataset) obj;
8
        if (this.hour != that.hour) {
8
        if (!this.underlying.equals(that.underlying)) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        if (!this.day.equals(that.day)) {
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)1.6
Clones locationClones are in different classes
Number of node comparisons35
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements9
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)2.7
    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 Hour))
    3
    if (!(obj instanceof Hour))
    3
    if (!(obj instanceof XYBarDataset))
    Differences
    Expression1Expression2Difference
    org.jfree.data.time.Hourorg.jfree.data.xy.XYBarDatasetVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.time.Hour does not match with type org.jfree.data.xy.XYBarDataset
    • Make classes org.jfree.data.time.Hour and org.jfree.data.xy.XYBarDataset extend a common superclass
    3
    if (!(obj instanceof XYBarDataset))
    4
    return false;
    4
    return false;
                                                                                  
    5
    XYBarDataset that = (XYBarDataset)obj;
    5
    Hour that = (Hour)obj;
                                                  
    6
    if (this.hour != that.hour)
    6
    if (this.hour != that.hour)
    8
    if (this.barWidth != that.barWidth)
    Differences
    Expression1Expression2Difference
    hourbarWidthVARIABLE_NAME_MISMATCH
    bytedoubleVARIABLE_TYPE_MISMATCH
    org.jfree.data.time.Hourorg.jfree.data.xy.XYBarDatasetVARIABLE_TYPE_MISMATCH
    hourbarWidthVARIABLE_NAME_MISMATCH
    bytedoubleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type byte of variable this.hour does not match with type double of variable this.barWidth
    Type byte of variable that.hour does not match with type double of variable that.barWidth
    • Make classes org.jfree.data.time.Hour and org.jfree.data.xy.XYBarDataset extend a common superclass
    Expression that.hour 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
    Type byte of variable that.hour does not match with type double of variable that.barWidth
    8
    if (this.barWidth != that.barWidth)
    7
    return false;
    9
    return false;
    8
    if (!this.day.equals(that.day))
    8
    if (!this.day.equals(that.day))
    6
    if (!this.underlying.equals(that.underlying))
    Differences
    Expression1Expression2Difference
    org.jfree.data.time.Hourorg.jfree.data.xy.XYBarDatasetVARIABLE_TYPE_MISMATCH
    dayunderlyingVARIABLE_NAME_MISMATCH
    org.jfree.data.time.Dayorg.jfree.data.xy.XYDatasetVARIABLE_TYPE_MISMATCH
    dayunderlyingVARIABLE_NAME_MISMATCH
    org.jfree.data.time.Dayorg.jfree.data.xy.XYDatasetVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.time.Day of variable that.day does not match with type org.jfree.data.xy.XYDataset of variable that.underlying
    • Make classes org.jfree.data.time.Hour and org.jfree.data.xy.XYBarDataset extend a common superclass
    Expression that.day 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 org.jfree.data.time.Day of variable that.day does not match with type org.jfree.data.xy.XYDataset of variable that.underlying
    • Make classes org.jfree.data.time.Day and org.jfree.data.xy.XYDataset extend a common superclass
    Type org.jfree.data.time.Day of variable this.day does not match with type org.jfree.data.xy.XYDataset of variable this.underlying
    • Make classes org.jfree.data.time.Day and org.jfree.data.xy.XYDataset extend a common superclass
    6
    if (!this.underlying.equals(that.underlying))
    9
    return false;
    7
    return false;
    10
    return true;
    10
    return true;
    Precondition Violations (12)
    Row Violation
    1Type org.jfree.data.time.Hour does not match with type org.jfree.data.xy.XYBarDataset
    2Type byte of variable this.hour does not match with type double of variable this.barWidth
    3Type byte of variable that.hour does not match with type double of variable that.barWidth
    4Expression that.hour cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression that.barWidth cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Type byte of variable that.hour does not match with type double of variable that.barWidth
    7Type org.jfree.data.time.Day of variable that.day does not match with type org.jfree.data.xy.XYDataset of variable that.underlying
    8Expression that.day cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9Expression that.underlying cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Type org.jfree.data.time.Day of variable that.day does not match with type org.jfree.data.xy.XYDataset of variable that.underlying
    11Type org.jfree.data.time.Day of variable this.day does not match with type org.jfree.data.xy.XYDataset of variable this.underlying
    12The refactoring of the clones is infeasible, because classes org.jfree.data.time.Hour and org.jfree.data.xy.XYBarDataset do not have a common superclass