if (obj == this) { return true; } if (!(obj instanceof LevelRenderer)) { return false; } LevelRenderer that = (LevelRenderer) obj; if (this.itemMargin != that.itemMargin) { return false; } if (this.maxItemWidth != that.maxItemWidth) { return false; } return super.equals(obj);
if (obj == this) { return true; } if (!(obj instanceof Minute)) { return false; } Minute that = (Minute) obj; if (this.minute != that.minute) { return false; } if (this.hour != that.hour) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/renderer/category/LevelRenderer.java File path: /jfreechart-1.0.10/src/org/jfree/data/time/Minute.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 LevelRenderer)) {
4
        if (!(obj instanceof Minute)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        LevelRenderer that = (LevelRenderer) obj;
7
        Minute that = (Minute) obj;
8
        if (this.itemMargin != that.itemMargin) {
8
        if (this.minute != that.minute) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        if (this.maxItemWidth != that.maxItemWidth) {
11
        if (this.hour != that.hour) {
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)1.5
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)2.4
    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 LevelRenderer))
    3
    if (!(obj instanceof LevelRenderer))
    3
    if (!(obj instanceof Minute))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.renderer.category.LevelRendererorg.jfree.data.time.MinuteVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.renderer.category.LevelRenderer does not match with type org.jfree.data.time.Minute
    • Make classes org.jfree.chart.renderer.category.LevelRenderer and org.jfree.data.time.Minute extend a common superclass
    3
    if (!(obj instanceof Minute))
    4
    return false;
    4
    return false;
                                                          
    5
    Minute that = (Minute)obj;
    5
    LevelRenderer that = (LevelRenderer)obj;
                                                                                      
    6
    if (this.itemMargin != that.itemMargin)
    6
    if (this.itemMargin != that.itemMargin)
    6
    if (this.minute != that.minute)
    Differences
    Expression1Expression2Difference
    itemMarginminuteVARIABLE_NAME_MISMATCH
    doublebyteVARIABLE_TYPE_MISMATCH
    org.jfree.chart.renderer.category.LevelRendererorg.jfree.data.time.MinuteVARIABLE_TYPE_MISMATCH
    itemMarginminuteVARIABLE_NAME_MISMATCH
    doublebyteVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type double of variable this.itemMargin does not match with type byte of variable this.minute
    Type double of variable that.itemMargin does not match with type byte of variable that.minute
    • Make classes org.jfree.chart.renderer.category.LevelRenderer and org.jfree.data.time.Minute extend a common superclass
    Expression that.itemMargin cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.minute cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type double of variable that.itemMargin does not match with type byte of variable that.minute
    6
    if (this.minute != that.minute)
    7
    return false;
    7
    return false;
    8
    if (this.maxItemWidth != that.maxItemWidth)
    8
    if (this.maxItemWidth != that.maxItemWidth)
    8
    if (this.hour != that.hour)
    Differences
    Expression1Expression2Difference
    maxItemWidthhourVARIABLE_NAME_MISMATCH
    doublebyteVARIABLE_TYPE_MISMATCH
    org.jfree.chart.renderer.category.LevelRendererorg.jfree.data.time.MinuteVARIABLE_TYPE_MISMATCH
    maxItemWidthhourVARIABLE_NAME_MISMATCH
    doublebyteVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type double of variable this.maxItemWidth does not match with type byte of variable this.hour
    Type double of variable that.maxItemWidth does not match with type byte of variable that.hour
    • Make classes org.jfree.chart.renderer.category.LevelRenderer and org.jfree.data.time.Minute extend a common superclass
    Expression that.maxItemWidth cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.hour cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type double of variable that.maxItemWidth does not match with type byte of variable that.hour
    8
    if (this.hour != that.hour)
    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 (13)
    Row Violation
    1Type org.jfree.chart.renderer.category.LevelRenderer does not match with type org.jfree.data.time.Minute
    2Type double of variable this.itemMargin does not match with type byte of variable this.minute
    3Type double of variable that.itemMargin does not match with type byte of variable that.minute
    4Expression that.itemMargin cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression that.minute cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Type double of variable that.itemMargin does not match with type byte of variable that.minute
    7Type double of variable this.maxItemWidth does not match with type byte of variable this.hour
    8Type double of variable that.maxItemWidth does not match with type byte of variable that.hour
    9Expression that.maxItemWidth cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Expression that.hour cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Type double of variable that.maxItemWidth does not match with type byte of variable that.hour
    12Super method call return super.equals(obj); cannot be extracted from method
    13The refactoring of the clones is infeasible, because classes org.jfree.chart.renderer.category.LevelRenderer and org.jfree.data.time.Minute do not have a common superclass