if (obj == this) { return true; } if (!(obj instanceof DateTickUnit)) { return false; } if (!super.equals(obj)) { return false; } DateTickUnit that = (DateTickUnit) obj; if (this.unit != that.unit) { return false; } if (this.count != that.count) { return false; } if (!ObjectUtilities.equal(this.formatter, that.formatter)) { return false; } return true;
if (obj == this) { return true; } if (!(obj instanceof XYErrorRenderer)) { return false; } XYErrorRenderer that = (XYErrorRenderer) obj; if (this.drawXError != that.drawXError) { return false; } if (this.drawYError != that.drawYError) { return false; } if (this.capLength != that.capLength) { return false; } if (!PaintUtilities.equal(this.errorPaint, that.errorPaint)) { return false; } return super.equals(obj);
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/axis/DateTickUnit.java File path: /jfreechart-1.0.10/src/org/jfree/chart/renderer/xy/XYErrorRenderer.java
Method name: boolean equals(Object) Method name: boolean equals(Object)
Number of AST nodes: 14 Number of AST nodes: 14
1
if (obj == this) {
1
if (obj == this) {
2
            return true;
2
            return true;
3
        }
3
        }
4
        if (!(obj instanceof DateTickUnit)) {
4
        if (!(obj instanceof XYErrorRenderer)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        if (!super.equals(obj)) {
7
        
8
            return false;
9
        }
10
        DateTickUnit that = (DateTickUnit) obj;
11
        if (this.unit != that.unit
8
XYErrorRenderer that = (XYErrorRenderer) obj;
9
        if (this.drawXError != that.drawXError) {
10
            return false;
11
        }
12
) {
12
        if (this.drawYError != that.drawYError) {
13
            return false;
13
            return false;
14
        }
14
        }
15
        if (this.count != that.count) {
15
        if (this.capLength != that.capLength) {
16
            return false;
16
            return false;
17
        }
17
        }
18
        if (!ObjectUtilities.equal(this.formatter, that.formatter)) {
18
        if (!PaintUtilities.equal(this.errorPaint, that.errorPaint)) {
19
            return false;
19
            return false;
20
        }
20
        }
21
        return true;
21
        return super.equals(obj);
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)2.7
Clones locationClones are in different classes
Number of node comparisons64
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements10
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment3
    Time elapsed for statement mapping (ms)2.8
    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 DateTickUnit))
    3
    if (!(obj instanceof DateTickUnit))
    3
    if (!(obj instanceof XYErrorRenderer))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.axis.DateTickUnitorg.jfree.chart.renderer.xy.XYErrorRendererVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.DateTickUnit does not match with type org.jfree.chart.renderer.xy.XYErrorRenderer
    • Make classes org.jfree.chart.axis.DateTickUnit and org.jfree.chart.renderer.xy.XYErrorRenderer extend a common superclass
    3
    if (!(obj instanceof XYErrorRenderer))
    4
    return false;
    4
    return false;
                                                                                              
    5
    XYErrorRenderer that = (XYErrorRenderer)obj;
                                                                                      
    6
    if (this.drawXError != that.drawXError)
                                    
    7
    return false;
    Preondition Violations
    Unmatched return false;
    7
    return false;
    5
    if (!super.equals(obj))
    5
    if (!super.equals(obj))
    12
    if (!PaintUtilities.equal(this.errorPaint, that.errorPaint))
    Differences
    Expression1Expression2Difference
    super.equals(obj)PaintUtilities.equal(this.errorPaint,that.errorPaint)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression PaintUtilities.equal(this.errorPaint,that.errorPaint) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Super method call if(!super.equals(obj)) cannot be extracted from method
    12
    if (!PaintUtilities.equal(this.errorPaint, that.errorPaint))
    6
    return false;
    13
    return false;
    7
    DateTickUnit that = (DateTickUnit)obj;
                                                                                  
    8
    if (this.unit != that.unit)
    8
    if (this.unit != that.unit)
    8
    if (this.drawYError != that.drawYError)
    Differences
    Expression1Expression2Difference
    unitdrawYErrorVARIABLE_NAME_MISMATCH
    intbooleanVARIABLE_TYPE_MISMATCH
    org.jfree.chart.axis.DateTickUnitorg.jfree.chart.renderer.xy.XYErrorRendererVARIABLE_TYPE_MISMATCH
    unitdrawYErrorVARIABLE_NAME_MISMATCH
    intbooleanVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type int of variable this.unit does not match with type boolean of variable this.drawYError
    Type int of variable that.unit does not match with type boolean of variable that.drawYError
    • Make classes org.jfree.chart.axis.DateTickUnit and org.jfree.chart.renderer.xy.XYErrorRenderer extend a common superclass
    Expression that.unit cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.drawYError cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type int of variable that.unit does not match with type boolean of variable that.drawYError
    8
    if (this.drawYError != that.drawYError)
    9
    return false;
    9
    return false;
    10
    if (this.count != that.count)
    10
    if (this.count != that.count)
    10
    if (this.capLength != that.capLength)
    Differences
    Expression1Expression2Difference
    countcapLengthVARIABLE_NAME_MISMATCH
    intdoubleVARIABLE_TYPE_MISMATCH
    org.jfree.chart.axis.DateTickUnitorg.jfree.chart.renderer.xy.XYErrorRendererVARIABLE_TYPE_MISMATCH
    countcapLengthVARIABLE_NAME_MISMATCH
    intdoubleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type int of variable this.count does not match with type double of variable this.capLength
    Type int of variable that.count does not match with type double of variable that.capLength
    • Make classes org.jfree.chart.axis.DateTickUnit and org.jfree.chart.renderer.xy.XYErrorRenderer extend a common superclass
    Expression that.count cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.capLength cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type int of variable that.count does not match with type double of variable that.capLength
    10
    if (this.capLength != that.capLength)
    11
    return false;
    11
    return false;
    Precondition Violations (16)
    Row Violation
    1Type org.jfree.chart.axis.DateTickUnit does not match with type org.jfree.chart.renderer.xy.XYErrorRenderer
    2Unmatched return false;
    3Expression PaintUtilities.equal(this.errorPaint,that.errorPaint) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Super method call if(!super.equals(obj)) cannot be extracted from method
    5Type int of variable this.unit does not match with type boolean of variable this.drawYError
    6Type int of variable that.unit does not match with type boolean of variable that.drawYError
    7Expression that.unit cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Expression that.drawYError cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9Type int of variable that.unit does not match with type boolean of variable that.drawYError
    10Type int of variable this.count does not match with type double of variable this.capLength
    11Type int of variable that.count does not match with type double of variable that.capLength
    12Expression that.count cannot be parameterized, because it has dependencies to/from statements that will be extracted
    13Expression that.capLength cannot be parameterized, because it has dependencies to/from statements that will be extracted
    14Type int of variable that.count does not match with type double of variable that.capLength
    15Not all possible execution flows end in a return statement
    16The refactoring of the clones is infeasible, because classes org.jfree.chart.axis.DateTickUnit and org.jfree.chart.renderer.xy.XYErrorRenderer do not have a common superclass