Transaction t = new Transaction(); transactions.addElement(t); return t;
FilterChain filterChain = new FilterChain(); filterChains.addElement(filterChain); return filterChain;
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/SQLExec.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Copy.java
Method name: Transaction createTransaction() Method name: FilterChain createFilterChain()
Number of AST nodes: 3 Number of AST nodes: 3
1
Transaction t = new Transaction();
1
FilterChain filterChain = new FilterChain();
2
        transactions.addElement(t);
2
        filterChains.addElement(filterChain);
3
        return t;
3
        return filterChain;
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)0.0
Clones locationClones are in different classes having the same super class
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)0.0
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                              
    1
    FilterChain filterChain = new FilterChain();
    1
    Transaction t = new Transaction();
                                                                          
    2
    transactions.addElement(t);
    2
    transactions.addElement(t);
    2
    filterChains.addElement(filterChain);
    Differences
    Expression1Expression2Difference
    tfilterChainVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.taskdefs.SQLExec.Transactionorg.apache.tools.ant.types.FilterChainVARIABLE_TYPE_MISMATCH
    transactionsfilterChainsVARIABLE_NAME_MISMATCH
    Preondition Violations
    Type org.apache.tools.ant.taskdefs.SQLExec.Transaction of variable t does not match with type org.apache.tools.ant.types.FilterChain of variable filterChain
    • Make classes org.apache.tools.ant.taskdefs.SQLExec.Transaction and org.apache.tools.ant.types.FilterChain extend a common superclass
    2
    filterChains.addElement(filterChain);
                                                
    3
    return filterChain;
    Preondition Violations
    Unmatched return filterChain;
    3
    return filterChain;
    3
    return t;
    3
    return t;
    Preondition Violations
    Unmatched return t;
                            
    Precondition Violations (3)
    Row Violation
    1Type org.apache.tools.ant.taskdefs.SQLExec.Transaction of variable t does not match with type org.apache.tools.ant.types.FilterChain of variable filterChain
    2Unmatched return filterChain;
    3Unmatched return t;