if (obj == this) { return true; } if (!(obj instanceof VectorRenderer)) { return false; } VectorRenderer that = (VectorRenderer) obj; if (this.baseLength != that.baseLength) { return false; } if (this.headLength != that.headLength) { return false; } return super.equals(obj);
if (obj == this) { return true; } if (!(obj instanceof Vector)) { return false; } Vector that = (Vector) obj; if (this.x != that.x) { return false; } if (this.y != that.y) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/renderer/xy/VectorRenderer.java File path: /jfreechart-1.0.10/src/org/jfree/data/xy/Vector.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 VectorRenderer)) {
4
        if (!(obj instanceof Vector)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        VectorRenderer that = (VectorRenderer) obj;
7
        Vector that = (Vector) obj;
8
        if (this.baseLength != that.baseLength) {
8
        if (this.x != that.x) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        if (this.headLength != that.headLength) {
11
        if (this.y != that.y) {
12
            return false;
12
            return false;
13
        }
13
        }
14
        return super.equals(obj);
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 comparisons35
  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)2.1
    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 VectorRenderer))
    3
    if (!(obj instanceof VectorRenderer))
    3
    if (!(obj instanceof Vector))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.renderer.xy.VectorRendererorg.jfree.data.xy.VectorVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.renderer.xy.VectorRenderer does not match with type org.jfree.data.xy.Vector
    • Make classes org.jfree.chart.renderer.xy.VectorRenderer and org.jfree.data.xy.Vector extend a common superclass
    3
    if (!(obj instanceof Vector))
    4
    return false;
    4
    return false;
                                                          
    5
    Vector that = (Vector)obj;
    5
    VectorRenderer that = (VectorRenderer)obj;
                                                                                          
    6
    if (this.baseLength != that.baseLength)
    6
    if (this.baseLength != that.baseLength)
    6
    if (this.x != that.x)
    Differences
    Expression1Expression2Difference
    baseLengthxVARIABLE_NAME_MISMATCH
    org.jfree.chart.renderer.xy.VectorRendererorg.jfree.data.xy.VectorVARIABLE_TYPE_MISMATCH
    baseLengthxVARIABLE_NAME_MISMATCH
    Preondition Violations
    Type double of variable that.baseLength does not match with type double of variable that.x
    • Make classes org.jfree.chart.renderer.xy.VectorRenderer and org.jfree.data.xy.Vector extend a common superclass
    Expression that.baseLength cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.x cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6
    if (this.x != that.x)
    7
    return false;
    7
    return false;
    8
    if (this.headLength != that.headLength)
    8
    if (this.headLength != that.headLength)
    8
    if (this.y != that.y)
    Differences
    Expression1Expression2Difference
    headLengthyVARIABLE_NAME_MISMATCH
    org.jfree.chart.renderer.xy.VectorRendererorg.jfree.data.xy.VectorVARIABLE_TYPE_MISMATCH
    headLengthyVARIABLE_NAME_MISMATCH
    Preondition Violations
    Type double of variable that.headLength does not match with type double of variable that.y
    • Make classes org.jfree.chart.renderer.xy.VectorRenderer and org.jfree.data.xy.Vector extend a common superclass
    Expression that.headLength cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.y cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8
    if (this.y != that.y)
    9
    return false;
    9
    return false;
    10
    return super.equals(obj);
    10
    return super.equals(obj);
    10
    return true;
    Differences
    Expression1Expression2Difference
    super.equals(obj)trueTYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Super method call return super.equals(obj); cannot be extracted from method
    10
    return true;
    Precondition Violations (9)
    Row Violation
    1Type org.jfree.chart.renderer.xy.VectorRenderer does not match with type org.jfree.data.xy.Vector
    2Type double of variable that.baseLength does not match with type double of variable that.x
    3Expression that.baseLength cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression that.x cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Type double of variable that.headLength does not match with type double of variable that.y
    6Expression that.headLength cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression that.y cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Super method call return super.equals(obj); cannot be extracted from method
    9The refactoring of the clones is infeasible, because classes org.jfree.chart.renderer.xy.VectorRenderer and org.jfree.data.xy.Vector do not have a common superclass