Replacefilter filter = new Replacefilter(); replacefilters.insertElementAt(filter, 0); return filter;
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/Replace.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Copy.java
Method name: Replacefilter createPrimaryfilter() Method name: FilterChain createFilterChain()
Number of AST nodes: 3 Number of AST nodes: 3
1
Replacefilter filter = new Replacefilter();
1
FilterChain filterChain = new FilterChain();
2
        replacefilters.insertElementAt(filter, 0);
2
        filterChains.addElement(filterChain);
3
        return filter;
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
    Replacefilter filter = new Replacefilter();
                                                                                            
    2
    replacefilters.insertElementAt(filter, 0);
    2
    replacefilters.insertElementAt(filter, 0);
    2
    filterChains.addElement(filterChain);
    Differences
    Expression1Expression2Difference
    insertElementAtaddElementMETHOD_INVOCATION_NAME_MISMATCH
    replacefiltersfilterChainsVARIABLE_NAME_MISMATCH
    replacefilters.insertElementAt(filter,0)filterChains.addElement(filterChain)ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression replacefilters.insertElementAt(filter,0) is a void method call, and thus it cannot be parameterized
    Expression filterChains.addElement(filterChain) is a void method call, and thus it cannot be parameterized
    Expression replacefilters.insertElementAt(filter,0) is a void method call, and thus it cannot be parameterized
    Expression filterChains.addElement(filterChain) is a void method call, and thus it cannot be parameterized
    2
    filterChains.addElement(filterChain);
                                                
    3
    return filterChain;
    Preondition Violations
    Unmatched return filterChain;
    3
    return filterChain;
    3
    return filter;
    3
    return filter;
    Preondition Violations
    Unmatched return filter;
                                      
    Precondition Violations (6)
    Row Violation
    1Expression replacefilters.insertElementAt(filter,0) is a void method call, and thus it cannot be parameterized
    2Expression filterChains.addElement(filterChain) is a void method call, and thus it cannot be parameterized
    3Expression replacefilters.insertElementAt(filter,0) is a void method call, and thus it cannot be parameterized
    4Expression filterChains.addElement(filterChain) is a void method call, and thus it cannot be parameterized
    5Unmatched return filterChain;
    6Unmatched return filter;