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 (this == obj) { return false; } if (!(obj instanceof WindDataItem)) { return false; } WindDataItem that = (WindDataItem) obj; if (!this.x.equals(that.x)) { return false; } if (!this.windDir.equals(that.windDir)) { return false; } if (!this.windForce.equals(that.windForce)) { 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/data/xy/DefaultWindDataset.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 (this == obj) {
2
            return true;   
2
            return false;
3
        }
3
        }
4
        if (!(obj instanceof BlockContainer)) {
4
        if (!(obj instanceof WindDataItem)) {
5
            return false;
5
            return false;
6
   
6
        }
7
        }
7
        WindDataItem that = (WindDataItem) obj;
8
        if (!super.equals(obj)) {
8
        if (!this.x.equals(that.x)) {
9
            return false;   
9
            return false;
10
        }
10
        }
11
        BlockContainer that = (BlockContainer) obj;
11
        
12
        if (!this.arrangement.equals(that.arrangement)) {
12
if (!this.windDir.equals(that.windDir)) {
13
            return false;   
13
            return false;
14
        }
14
        }
15
        if (!this.blocks.equals(that.blocks)) {
15
        if (!this.windForce.equals(that.windForce)) {
16
            return false;   
16
            return false;
17
        }
17
        }
18
        return true;
18
        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)2.1
Clones locationClones are in different classes
Number of node comparisons56
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements8
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)2.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    3
    if (!(obj instanceof BlockContainer))
    3
    if (!(obj instanceof BlockContainer))
    3
    if (!(obj instanceof WindDataItem))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.block.BlockContainerorg.jfree.data.xy.WindDataItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.block.BlockContainer does not match with type org.jfree.data.xy.WindDataItem
    • Make classes org.jfree.chart.block.BlockContainer and org.jfree.data.xy.WindDataItem extend a common superclass
    3
    if (!(obj instanceof WindDataItem))
    4
    return false;
    4
    return false;
                                                                                  
    5
    WindDataItem that = (WindDataItem)obj;
    5
    if (!super.equals(obj))
    5
    if (!super.equals(obj))
    6
    if (!this.x.equals(that.x))
    Differences
    Expression1Expression2Difference
    super.equals(obj)this.x.equals(that.x)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression this.x.equals(that.x) 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.x.equals(that.x))
    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.windDir.equals(that.windDir))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.block.BlockContainerorg.jfree.data.xy.WindDataItemVARIABLE_TYPE_MISMATCH
    arrangementwindDirVARIABLE_NAME_MISMATCH
    org.jfree.chart.block.Arrangementjava.lang.NumberVARIABLE_TYPE_MISMATCH
    arrangementwindDirVARIABLE_NAME_MISMATCH
    org.jfree.chart.block.Arrangementjava.lang.NumberVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.block.Arrangement of variable that.arrangement does not match with type java.lang.Number of variable that.windDir
    • Make classes org.jfree.chart.block.BlockContainer and org.jfree.data.xy.WindDataItem extend a common superclass
    Expression that.arrangement cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.windDir 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.Number of variable that.windDir
    • Make classes org.jfree.chart.block.Arrangement and java.lang.Number extend a common superclass
    Type org.jfree.chart.block.Arrangement of variable this.arrangement does not match with type java.lang.Number of variable this.windDir
    • Make classes org.jfree.chart.block.Arrangement and java.lang.Number extend a common superclass
    8
    if (!this.windDir.equals(that.windDir))
    9
    return false;
    9
    return false;
    10
    if (!this.blocks.equals(that.blocks))
    10
    if (!this.blocks.equals(that.blocks))
    10
    if (!this.windForce.equals(that.windForce))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.block.BlockContainerorg.jfree.data.xy.WindDataItemVARIABLE_TYPE_MISMATCH
    blockswindForceVARIABLE_NAME_MISMATCH
    java.util.Listjava.lang.NumberVARIABLE_TYPE_MISMATCH
    blockswindForceVARIABLE_NAME_MISMATCH
    java.util.Listjava.lang.NumberVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.util.List of variable that.blocks does not match with type java.lang.Number of variable that.windForce
    • Make classes org.jfree.chart.block.BlockContainer and org.jfree.data.xy.WindDataItem extend a common superclass
    Expression that.blocks cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.windForce cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type java.util.List of variable that.blocks does not match with type java.lang.Number of variable that.windForce
    • Make classes java.util.List and java.lang.Number extend a common superclass
    Type java.util.List of variable this.blocks does not match with type java.lang.Number of variable this.windForce
    • Make classes java.util.List and java.lang.Number extend a common superclass
    10
    if (!this.windForce.equals(that.windForce))
    11
    return false;
    11
    return false;
    Precondition Violations (14)
    Row Violation
    1Type org.jfree.chart.block.BlockContainer does not match with type org.jfree.data.xy.WindDataItem
    2Expression this.x.equals(that.x) 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.Number of variable that.windDir
    5Expression that.arrangement cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression that.windDir 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.Number of variable that.windDir
    8Type org.jfree.chart.block.Arrangement of variable this.arrangement does not match with type java.lang.Number of variable this.windDir
    9Type java.util.List of variable that.blocks does not match with type java.lang.Number of variable that.windForce
    10Expression that.blocks cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Expression that.windForce cannot be parameterized, because it has dependencies to/from statements that will be extracted
    12Type java.util.List of variable that.blocks does not match with type java.lang.Number of variable that.windForce
    13Type java.util.List of variable this.blocks does not match with type java.lang.Number of variable this.windForce
    14Not all possible execution flows end in a return statement