if (obj == this) { return true; } if (!(obj instanceof NumberTickUnit)) { return false; } if (!super.equals(obj)) { return false; } NumberTickUnit that = (NumberTickUnit) obj; if (!this.formatter.equals(that.formatter)) { return false; } return true;
if (obj == this) { return true; } if (!(obj instanceof CompositeTitle)) { return false; } if (!super.equals(obj)) { return false; } CompositeTitle that = (CompositeTitle) obj; if (!this.container.equals(that.container)) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/axis/NumberTickUnit.java File path: /jfreechart-1.0.10/src/org/jfree/chart/title/CompositeTitle.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 NumberTickUnit)) {
4
        if (!(obj instanceof CompositeTitle)) {
5
            return false;
5
            return false;   
6
        }
6
        }
7
        if (!super.equals(obj)) {
7
        if (!super.equals(obj)) {
8
            return false;
8
            return false;   
9
        }
9
        }
10
        NumberTickUnit that = (NumberTickUnit) obj;
10
        CompositeTitle that = (CompositeTitle) obj;
11
        if (!this.formatter.equals(that.formatter)) {
11
        if (!this.container.equals(that.container)) {
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)1.1
Clones locationClones are in different classes
Number of node comparisons41
  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)1.8
    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 NumberTickUnit))
    3
    if (!(obj instanceof NumberTickUnit))
    3
    if (!(obj instanceof CompositeTitle))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.axis.NumberTickUnitorg.jfree.chart.title.CompositeTitleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.NumberTickUnit does not match with type org.jfree.chart.title.CompositeTitle
    • Make classes org.jfree.chart.axis.NumberTickUnit and org.jfree.chart.title.CompositeTitle extend a common superclass
    3
    if (!(obj instanceof CompositeTitle))
    4
    return false;
    4
    return false;
    5
    if (!super.equals(obj))
    5
    if (!super.equals(obj))
    5
    if (!super.equals(obj))
    Preondition Violations
    Super method call if(!super.equals(obj)) cannot be extracted from method
    Super method call if(!super.equals(obj)) cannot be extracted from method
    5
    if (!super.equals(obj))
    6
    return false;
    6
    return false;
                                                                                          
    7
    CompositeTitle that = (CompositeTitle)obj;
    7
    NumberTickUnit that = (NumberTickUnit)obj;
                                                                                          
    8
    if (!this.formatter.equals(that.formatter))
    8
    if (!this.formatter.equals(that.formatter))
    8
    if (!this.container.equals(that.container))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.axis.NumberTickUnitorg.jfree.chart.title.CompositeTitleVARIABLE_TYPE_MISMATCH
    formattercontainerVARIABLE_NAME_MISMATCH
    java.text.NumberFormatorg.jfree.chart.block.BlockContainerVARIABLE_TYPE_MISMATCH
    formattercontainerVARIABLE_NAME_MISMATCH
    java.text.NumberFormatorg.jfree.chart.block.BlockContainerVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.text.NumberFormat of variable that.formatter does not match with type org.jfree.chart.block.BlockContainer of variable that.container
    • Make classes org.jfree.chart.axis.NumberTickUnit and org.jfree.chart.title.CompositeTitle extend a common superclass
    Expression that.formatter cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.container cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type java.text.NumberFormat of variable that.formatter does not match with type org.jfree.chart.block.BlockContainer of variable that.container
    • Make classes java.text.NumberFormat and org.jfree.chart.block.BlockContainer extend a common superclass
    Type java.text.NumberFormat of variable this.formatter does not match with type org.jfree.chart.block.BlockContainer of variable this.container
    • Make classes java.text.NumberFormat and org.jfree.chart.block.BlockContainer extend a common superclass
    8
    if (!this.container.equals(that.container))
    9
    return false;
    9
    return false;
    10
    return true;
    10
    return true;
    Precondition Violations (9)
    Row Violation
    1Type org.jfree.chart.axis.NumberTickUnit does not match with type org.jfree.chart.title.CompositeTitle
    2Super method call if(!super.equals(obj)) cannot be extracted from method
    3Super method call if(!super.equals(obj)) cannot be extracted from method
    4Type java.text.NumberFormat of variable that.formatter does not match with type org.jfree.chart.block.BlockContainer of variable that.container
    5Expression that.formatter cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression that.container cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Type java.text.NumberFormat of variable that.formatter does not match with type org.jfree.chart.block.BlockContainer of variable that.container
    8Type java.text.NumberFormat of variable this.formatter does not match with type org.jfree.chart.block.BlockContainer of variable this.container
    9The refactoring of the clones is infeasible, because classes org.jfree.chart.axis.NumberTickUnit and org.jfree.chart.title.CompositeTitle do not have a common superclass