if (obj == this) { return true; } if (!(obj instanceof BlockContainer)) { return false; } if (!super.equals(obj)) { return false; } BlockContainer that = (BlockContainer) obj; if (!this.arrangement.equals(that.arrangement)) { return false; } if (!this.blocks.equals(that.blocks)) { return false; } return true;
if (obj == this) { return true; } if (!(obj instanceof StandardPieURLGenerator)) { return false; } StandardPieURLGenerator that = (StandardPieURLGenerator) obj; if (!this.prefix.equals(that.prefix)) { return false; } if (!this.categoryParameterName.equals(that.categoryParameterName)) { return false; } if (!ObjectUtilities.equal(this.indexParameterName, that.indexParameterName)) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/block/BlockContainer.java File path: /jfreechart-1.0.10/src/org/jfree/chart/urls/StandardPieURLGenerator.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 BlockContainer)) {
4
        if (!(obj instanceof StandardPieURLGenerator)) {
5
            return false;
5
            return false;
6
   
6
        }
7
        }
7
        
8
        if (!super.equals(obj
8
StandardPieURLGenerator that = (StandardPieURLGenerator) obj;
9
)) {
9
        if (!this.prefix.equals(that.prefix)) {
10
            return false;   
10
            return false;
11
        }
11
        }
12
        BlockContainer that = (BlockContainer) obj;
12
        
13
        if (!this.arrangement.equals(that.arrangement)) {
13
if (!this.categoryParameterName.equals(that.categoryParameterName)) {
14
            return false;   
14
            return false;
15
        }
15
        }
16
        if (!this.blocks.equals(that.blocks
16
        if (!ObjectUtilities.equal(this.indexParameterName, 
17
)) {
17
                that.indexParameterName)) {
18
            return false;   
18
            return false;
19
        }
19
        }
20
        return true;
20
        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)2.0
Clones locationClones are in different classes
Number of node comparisons62
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements11
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)4.0
    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 BlockContainer))
    3
    if (!(obj instanceof BlockContainer))
    3
    if (!(obj instanceof StandardPieURLGenerator))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.block.BlockContainerorg.jfree.chart.urls.StandardPieURLGeneratorVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.block.BlockContainer does not match with type org.jfree.chart.urls.StandardPieURLGenerator
    • Make classes org.jfree.chart.block.BlockContainer and org.jfree.chart.urls.StandardPieURLGenerator extend a common superclass
    3
    if (!(obj instanceof StandardPieURLGenerator))
    4
    return false;
    4
    return false;
                                                                                                                              
    5
    StandardPieURLGenerator that = (StandardPieURLGenerator)obj;
    5
    if (!super.equals(obj))
    5
    if (!super.equals(obj))
    6
    if (!this.prefix.equals(that.prefix))
    Differences
    Expression1Expression2Difference
    super.equals(obj)this.prefix.equals(that.prefix)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression this.prefix.equals(that.prefix) 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
    6
    if (!this.prefix.equals(that.prefix))
    6
    return false;
    7
    return false;
    7
    BlockContainer that = (BlockContainer)obj;
                                                                                          
    8
    if (!this.arrangement.equals(that.arrangement))
    8
    if (!this.arrangement.equals(that.arrangement))
    8
    if (!this.categoryParameterName.equals(that.categoryParameterName))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.block.BlockContainerorg.jfree.chart.urls.StandardPieURLGeneratorVARIABLE_TYPE_MISMATCH
    arrangementcategoryParameterNameVARIABLE_NAME_MISMATCH
    org.jfree.chart.block.Arrangementjava.lang.StringVARIABLE_TYPE_MISMATCH
    arrangementcategoryParameterNameVARIABLE_NAME_MISMATCH
    org.jfree.chart.block.Arrangementjava.lang.StringVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.block.Arrangement of variable that.arrangement does not match with type java.lang.String of variable that.categoryParameterName
    • Make classes org.jfree.chart.block.BlockContainer and org.jfree.chart.urls.StandardPieURLGenerator extend a common superclass
    Expression that.arrangement cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.categoryParameterName cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type org.jfree.chart.block.Arrangement of variable that.arrangement does not match with type java.lang.String of variable that.categoryParameterName
    • Make classes org.jfree.chart.block.Arrangement and java.lang.String extend a common superclass
    Type org.jfree.chart.block.Arrangement of variable this.arrangement does not match with type java.lang.String of variable this.categoryParameterName
    • Make classes org.jfree.chart.block.Arrangement and java.lang.String extend a common superclass
    8
    if (!this.categoryParameterName.equals(that.categoryParameterName))
    9
    return false;
    9
    return false;
    10
    if (!this.blocks.equals(that.blocks))
    10
    if (!this.blocks.equals(that.blocks))
    10
    if (!ObjectUtilities.equal(this.indexParameterName, that.indexParameterName))
    Differences
    Expression1Expression2Difference
    this.blocks.equals(that.blocks)ObjectUtilities.equal(this.indexParameterName,that.indexParameterName)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression this.blocks.equals(that.blocks) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression ObjectUtilities.equal(this.indexParameterName,that.indexParameterName) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10
    if (!ObjectUtilities.equal(this.indexParameterName, that.indexParameterName))
    11
    return false;
    11
    return false;
    12
    return true;
    12
    return true;
    Precondition Violations (11)
    Row Violation
    1Type org.jfree.chart.block.BlockContainer does not match with type org.jfree.chart.urls.StandardPieURLGenerator
    2Expression this.prefix.equals(that.prefix) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Super method call if(!super.equals(obj)) cannot be extracted from method
    4Type org.jfree.chart.block.Arrangement of variable that.arrangement does not match with type java.lang.String of variable that.categoryParameterName
    5Expression that.arrangement cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression that.categoryParameterName cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Type org.jfree.chart.block.Arrangement of variable that.arrangement does not match with type java.lang.String of variable that.categoryParameterName
    8Type org.jfree.chart.block.Arrangement of variable this.arrangement does not match with type java.lang.String of variable this.categoryParameterName
    9Expression this.blocks.equals(that.blocks) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Expression ObjectUtilities.equal(this.indexParameterName,that.indexParameterName) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11The refactoring of the clones is infeasible, because classes org.jfree.chart.block.BlockContainer and org.jfree.chart.urls.StandardPieURLGenerator do not have a common superclass