if (obj == this) { return true; } if (!(obj instanceof ComparableObjectItem)) { return false; } ComparableObjectItem that = (ComparableObjectItem) obj; if (!this.x.equals(that.x)) { return false; } if (!ObjectUtilities.equal(this.obj, that.obj)) { return false; } return true;
if (obj == this) { return true; } if (!(obj instanceof KeyToGroupMap)) { return false; } KeyToGroupMap that = (KeyToGroupMap) obj; if (!ObjectUtilities.equal(this.defaultGroup, that.defaultGroup)) { return false; } if (!this.keyToGroupMap.equals(that.keyToGroupMap)) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/data/ComparableObjectItem.java File path: /jfreechart-1.0.10/src/org/jfree/data/KeyToGroupMap.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 ComparableObjectItem)) {
4
        if (!(obj instanceof KeyToGroupMap)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        ComparableObjectItem that = (ComparableObjectItem) obj;
7
        KeyToGroupMap that = (KeyToGroupMap) obj;
8
        if (!this.x.equals(that.x)) {
8
        if (!ObjectUtilities.equal(this.defaultGroup, that.defaultGroup)) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        if (!ObjectUtilities.equal(this.obj, that.obj)) {
11
        if (!this.keyToGroupMap.equals(that.keyToGroupMap)) {
12
            return false;
12
            return false;
13
        }
13
        }
14
        return true;
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)1.2
Clones locationClones are in different classes
Number of node comparisons41
  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 ComparableObjectItem))
    3
    if (!(obj instanceof ComparableObjectItem))
    3
    if (!(obj instanceof KeyToGroupMap))
    Differences
    Expression1Expression2Difference
    org.jfree.data.ComparableObjectItemorg.jfree.data.KeyToGroupMapVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.ComparableObjectItem does not match with type org.jfree.data.KeyToGroupMap
    • Make classes org.jfree.data.ComparableObjectItem and org.jfree.data.KeyToGroupMap extend a common superclass
    3
    if (!(obj instanceof KeyToGroupMap))
    4
    return false;
    4
    return false;
                                                                                      
    5
    KeyToGroupMap that = (KeyToGroupMap)obj;
    5
    ComparableObjectItem that = (ComparableObjectItem)obj;
                                                                                                                  
    6
    if (!this.x.equals(that.x))
    6
    if (!this.x.equals(that.x))
    8
    if (!this.keyToGroupMap.equals(that.keyToGroupMap))
    Differences
    Expression1Expression2Difference
    org.jfree.data.ComparableObjectItemorg.jfree.data.KeyToGroupMapVARIABLE_TYPE_MISMATCH
    xkeyToGroupMapVARIABLE_NAME_MISMATCH
    java.lang.Comparablejava.util.MapVARIABLE_TYPE_MISMATCH
    xkeyToGroupMapVARIABLE_NAME_MISMATCH
    java.lang.Comparablejava.util.MapVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.Comparable of variable that.x does not match with type java.util.Map of variable that.keyToGroupMap
    • Make classes org.jfree.data.ComparableObjectItem and org.jfree.data.KeyToGroupMap extend a common superclass
    Expression that.x cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.keyToGroupMap cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type java.lang.Comparable of variable that.x does not match with type java.util.Map of variable that.keyToGroupMap
    • Make classes java.lang.Comparable and java.util.Map extend a common superclass
    Type java.lang.Comparable of variable this.x does not match with type java.util.Map of variable this.keyToGroupMap
    • Make classes java.lang.Comparable and java.util.Map extend a common superclass
    8
    if (!this.keyToGroupMap.equals(that.keyToGroupMap))
    7
    return false;
    9
    return false;
    8
    if (!ObjectUtilities.equal(this.obj, that.obj))
    8
    if (!ObjectUtilities.equal(this.obj, that.obj))
    6
    if (!ObjectUtilities.equal(this.defaultGroup, that.defaultGroup))
    Differences
    Expression1Expression2Difference
    objdefaultGroupVARIABLE_NAME_MISMATCH
    java.lang.Objectjava.lang.ComparableVARIABLE_TYPE_MISMATCH
    org.jfree.data.ComparableObjectItemorg.jfree.data.KeyToGroupMapVARIABLE_TYPE_MISMATCH
    objdefaultGroupVARIABLE_NAME_MISMATCH
    java.lang.Objectjava.lang.ComparableVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.Object of variable this.obj does not match with type java.lang.Comparable of variable this.defaultGroup
    • Make classes java.lang.Object and java.lang.Comparable extend a common superclass
    Type java.lang.Object of variable that.obj does not match with type java.lang.Comparable of variable that.defaultGroup
    • Make classes org.jfree.data.ComparableObjectItem and org.jfree.data.KeyToGroupMap extend a common superclass
    Expression that.obj cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.defaultGroup cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type java.lang.Object of variable that.obj does not match with type java.lang.Comparable of variable that.defaultGroup
    • Make classes java.lang.Object and java.lang.Comparable extend a common superclass
    6
    if (!ObjectUtilities.equal(this.defaultGroup, that.defaultGroup))
    9
    return false;
    7
    return false;
    10
    return true;
    10
    return true;
    Precondition Violations (11)
    Row Violation
    1Type org.jfree.data.ComparableObjectItem does not match with type org.jfree.data.KeyToGroupMap
    2Type java.lang.Comparable of variable that.x does not match with type java.util.Map of variable that.keyToGroupMap
    3Expression that.x cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression that.keyToGroupMap cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Type java.lang.Comparable of variable that.x does not match with type java.util.Map of variable that.keyToGroupMap
    6Type java.lang.Comparable of variable this.x does not match with type java.util.Map of variable this.keyToGroupMap
    7Type java.lang.Object of variable this.obj does not match with type java.lang.Comparable of variable this.defaultGroup
    8Type java.lang.Object of variable that.obj does not match with type java.lang.Comparable of variable that.defaultGroup
    9Expression that.obj cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Expression that.defaultGroup cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Type java.lang.Object of variable that.obj does not match with type java.lang.Comparable of variable that.defaultGroup