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 == null) { return false; } if (!(obj instanceof CategoryMarker)) { return false; } if (!super.equals(obj)) { return false; } CategoryMarker that = (CategoryMarker) obj; if (!this.key.equals(that.key)) { return false; } if (this.drawAsLine != that.drawAsLine) { 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/plot/CategoryMarker.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 == null) {
2
            return true;   
2
            return false;
3
        }
3
        }
4
        if (!(obj instanceof BlockContainer)) {
4
        if (!(obj instanceof CategoryMarker)) {
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
        BlockContainer that = (BlockContainer) obj;
10
        CategoryMarker that = (CategoryMarker) obj;
11
        if (!this.arrangement.equals(that.arrangement)) {
11
        if (!this.key.equals(that.key)) {
12
            return false;   
12
            return false;
13
        }
13
        }
14
        if (!this.blocks.equals(that.blocks)) {
14
        if (this.drawAsLine != that.drawAsLine) {
15
            return false;   
15
            return false;
16
        }
16
        }
17
        return true;
17
        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)1.5
Clones locationClones are in different classes
Number of node comparisons47
  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)1.9
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (obj == this)
    1
    if (obj == this)
    1
    if (obj == null)
    Differences
    Expression1Expression2Difference
    thisnullTYPE_COMPATIBLE_REPLACEMENT
    1
    if (obj == null)
    2
    return true;
    2
    return true;
    2
    return false;
    Differences
    Expression1Expression2Difference
    truefalseLITERAL_VALUE_MISMATCH
    2
    return false;
    3
    if (!(obj instanceof BlockContainer))
    3
    if (!(obj instanceof BlockContainer))
    3
    if (!(obj instanceof CategoryMarker))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.block.BlockContainerorg.jfree.chart.plot.CategoryMarkerVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.block.BlockContainer does not match with type org.jfree.chart.plot.CategoryMarker
    • Make classes org.jfree.chart.block.BlockContainer and org.jfree.chart.plot.CategoryMarker extend a common superclass
    3
    if (!(obj instanceof CategoryMarker))
    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
    CategoryMarker that = (CategoryMarker)obj;
    7
    BlockContainer that = (BlockContainer)obj;
                                                                                          
    8
    if (!this.arrangement.equals(that.arrangement))
    8
    if (!this.arrangement.equals(that.arrangement))
    8
    if (!this.key.equals(that.key))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.block.BlockContainerorg.jfree.chart.plot.CategoryMarkerVARIABLE_TYPE_MISMATCH
    arrangementkeyVARIABLE_NAME_MISMATCH
    org.jfree.chart.block.Arrangementjava.lang.ComparableVARIABLE_TYPE_MISMATCH
    arrangementkeyVARIABLE_NAME_MISMATCH
    org.jfree.chart.block.Arrangementjava.lang.ComparableVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.block.Arrangement of variable that.arrangement does not match with type java.lang.Comparable of variable that.key
    • Make classes org.jfree.chart.block.BlockContainer and org.jfree.chart.plot.CategoryMarker extend a common superclass
    Expression that.arrangement cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.key 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.Comparable of variable that.key
    • Make classes org.jfree.chart.block.Arrangement and java.lang.Comparable extend a common superclass
    Type org.jfree.chart.block.Arrangement of variable this.arrangement does not match with type java.lang.Comparable of variable this.key
    • Make classes org.jfree.chart.block.Arrangement and java.lang.Comparable extend a common superclass
    8
    if (!this.key.equals(that.key))
    9
    return false;
    9
    return false;
    Precondition Violations (9)
    Row Violation
    1Type org.jfree.chart.block.BlockContainer does not match with type org.jfree.chart.plot.CategoryMarker
    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 org.jfree.chart.block.Arrangement of variable that.arrangement does not match with type java.lang.Comparable of variable that.key
    5Expression that.arrangement cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression that.key 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.Comparable of variable that.key
    8Type org.jfree.chart.block.Arrangement of variable this.arrangement does not match with type java.lang.Comparable of variable this.key
    9Not all possible execution flows end in a return statement