if (obj == null) { return false; } if (!(obj instanceof DefaultPolarItemRenderer)) { return false; } DefaultPolarItemRenderer that = (DefaultPolarItemRenderer) obj; if (!this.seriesFilled.equals(that.seriesFilled)) { return false; } return super.equals(obj);
if (obj == this) { return true; } if (!(obj instanceof AreaRenderer)) { return false; } AreaRenderer that = (AreaRenderer) obj; if (!this.endType.equals(that.endType)) { return false; } return super.equals(obj);
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/renderer/DefaultPolarItemRenderer.java File path: /jfreechart-1.0.10/src/org/jfree/chart/renderer/category/AreaRenderer.java
Method name: boolean equals(Object) Method name: boolean equals(Object)
Number of AST nodes: 8 Number of AST nodes: 8
1
if (obj == null) {
1
if (obj == this) {
2
            return false;
2
            return true;
3
        }
3
        }
4
        if (!(obj instanceof DefaultPolarItemRenderer)) {
4
        if (!(obj instanceof AreaRenderer)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        DefaultPolarItemRenderer that = (DefaultPolarItemRenderer) obj;
7
        AreaRenderer that = (AreaRenderer) obj;
8
        if (!this.seriesFilled.equals(that.seriesFilled)) {
8
        if (!this.endType.equals(that.endType)) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        return super.equals(obj);
11
        return super.equals(obj);
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)0.8
Clones locationClones are in different classes having the same super class
Number of node comparisons25
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements8
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)2.6
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (obj == null)
    1
    if (obj == null)
    1
    if (obj == this)
    Differences
    Expression1Expression2Difference
    nullthisTYPE_COMPATIBLE_REPLACEMENT
    1
    if (obj == this)
    2
    return false;
    2
    return false;
    2
    return true;
    Differences
    Expression1Expression2Difference
    falsetrueLITERAL_VALUE_MISMATCH
    2
    return true;
    3
    if (!(obj instanceof DefaultPolarItemRenderer))
    3
    if (!(obj instanceof DefaultPolarItemRenderer))
    3
    if (!(obj instanceof AreaRenderer))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.renderer.DefaultPolarItemRendererorg.jfree.chart.renderer.category.AreaRendererSUBCLASS_TYPE_MISMATCH
    3
    if (!(obj instanceof AreaRenderer))
    4
    return false;
    4
    return false;
    5
    DefaultPolarItemRenderer that = (DefaultPolarItemRenderer)obj;
    5
    DefaultPolarItemRenderer that = (DefaultPolarItemRenderer)obj;
    5
    AreaRenderer that = (AreaRenderer)obj;
    Differences
    Expression1Expression2Difference
    org.jfree.chart.renderer.DefaultPolarItemRendererorg.jfree.chart.renderer.category.AreaRendererSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.renderer.DefaultPolarItemRendererorg.jfree.chart.renderer.category.AreaRendererSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.renderer.DefaultPolarItemRendererorg.jfree.chart.renderer.category.AreaRendererSUBCLASS_TYPE_MISMATCH
    5
    AreaRenderer that = (AreaRenderer)obj;
    6
    if (!this.seriesFilled.equals(that.seriesFilled))
    6
    if (!this.seriesFilled.equals(that.seriesFilled))
    6
    if (!this.endType.equals(that.endType))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.renderer.DefaultPolarItemRendererorg.jfree.chart.renderer.category.AreaRendererSUBCLASS_TYPE_MISMATCH
    seriesFilledendTypeVARIABLE_NAME_MISMATCH
    org.jfree.util.BooleanListorg.jfree.chart.renderer.AreaRendererEndTypeVARIABLE_TYPE_MISMATCH
    seriesFilledendTypeVARIABLE_NAME_MISMATCH
    org.jfree.util.BooleanListorg.jfree.chart.renderer.AreaRendererEndTypeVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Expression that.seriesFilled cannot be unified with expression that.endType , because common superclass type java.io.Serializable cannot be passed as an argument to public boolean equals(java.lang.Object)
    Expression that.seriesFilled cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.endType cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type org.jfree.util.BooleanList of variable that.seriesFilled does not match with type org.jfree.chart.renderer.AreaRendererEndType of variable that.endType
    • Make classes org.jfree.util.BooleanList and org.jfree.chart.renderer.AreaRendererEndType extend a common superclass
    Type org.jfree.util.BooleanList of variable this.seriesFilled does not match with type org.jfree.chart.renderer.AreaRendererEndType of variable this.endType
    • Make classes org.jfree.util.BooleanList and org.jfree.chart.renderer.AreaRendererEndType extend a common superclass
    6
    if (!this.endType.equals(that.endType))
    7
    return false;
    7
    return false;
    8
    return super.equals(obj);
    8
    return super.equals(obj);
    8
    return super.equals(obj);
    Preondition Violations
    Super method call return super.equals(obj); cannot be extracted from method
    Super method call return super.equals(obj); cannot be extracted from method
    8
    return super.equals(obj);
    Precondition Violations (7)
    Row Violation
    1Expression that.seriesFilled cannot be unified with expression that.endType , because common superclass type java.io.Serializable cannot be passed as an argument to public boolean equals(java.lang.Object)
    2Expression that.seriesFilled cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression that.endType cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Type org.jfree.util.BooleanList of variable that.seriesFilled does not match with type org.jfree.chart.renderer.AreaRendererEndType of variable that.endType
    5Type org.jfree.util.BooleanList of variable this.seriesFilled does not match with type org.jfree.chart.renderer.AreaRendererEndType of variable this.endType
    6Super method call return super.equals(obj); cannot be extracted from method
    7Super method call return super.equals(obj); cannot be extracted from method