if (name == null) { if (implementation == null) { return "[unnamed]"; } else { return implementation.getClassName(); } }
if (o == null) { return 0; } else { return o.hashCode(); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/ejb/IPlanetEjbc.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/MacroDef.java
Method name: String getName() Method name: int objectHashCode(Object)
Number of AST nodes: 4 Number of AST nodes: 3
1
if (name == null) {
1
if (
2
                if (implementation == null) {
2
o == null) {
3
                    return "[unnamed]";
3
            return 
4
       
4
0;
5
         } else {
5
        } else {
6
                    return implementation.getClassName();
6
            return 
7
                }
8
    
7
o.hashCode();
9
        }
8
        }
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)0.2
Clones locationClones are in different classes
Number of node comparisons9
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)0.6
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    2
    if (implementation == null)
    2
    if (implementation == null)
    1
    if (o == null)
    Differences
    Expression1Expression2Difference
    implementationoVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.taskdefs.optional.ejb.IPlanetEjbc.Classnamejava.lang.ObjectVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.apache.tools.ant.taskdefs.optional.ejb.IPlanetEjbc.Classname of variable implementation does not match with type java.lang.Object of variable o
    • Make classes org.apache.tools.ant.taskdefs.optional.ejb.IPlanetEjbc.Classname and java.lang.Object extend a common superclass
    1
    if (o == null)
                            
    2
    return 0;
    Preondition Violations
    Unmatched return 0;
    2
    return 0;
    3
    return "[unnamed]";
    3
    return "[unnamed]";
    Preondition Violations
    Unmatched return "[unnamed]";
                                                
    else
            
                                                  
    3
    return o.hashCode();
    Preondition Violations
    Unmatched return o.hashCode();
    3
    return o.hashCode();
    4
    return implementation.getClassName();
    4
    return implementation.getClassName();
    Preondition Violations
    Unmatched return implementation.getClassName();
                                                                                    
    Precondition Violations (5)
    Row Violation
    1Type org.apache.tools.ant.taskdefs.optional.ejb.IPlanetEjbc.Classname of variable implementation does not match with type java.lang.Object of variable o
    2Unmatched return 0;
    3Unmatched return "[unnamed]";
    4Unmatched return o.hashCode();
    5Unmatched return implementation.getClassName();