if (isReference()) { throw noChildrenAllowed(); } FilterChain result = new FilterChain(); result.setProject(getProject()); errorFilterChains.add(result); return result;
if (isReference()) { throw noChildrenAllowed(); } PatternSet patterns = new PatternSet(); additionalPatterns.addElement(patterns); ds = null; return patterns;
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/RedirectorElement.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/resources/Files.java
Method name: FilterChain createErrorFilterChain() Method name: PatternSet createPatternSet()
Number of AST nodes: 6 Number of AST nodes: 6
1
if (isReference()) {
1
if (isReference()) {
2
            throw noChildrenAllowed();
2
            throw noChildrenAllowed();
3
        }
3
        }
4
        FilterChain result = new FilterChain();
4
        
5
        result.setProject(getProject());
6
        errorFilterChains.add(result)
5
PatternSet patterns = new PatternSet();
6
        additionalPatterns.addElement(patterns);
7
;
7
        ds = null;
8
        return result;
8
        return patterns;
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)0.1
Clones locationClones are in different classes having the same super class
Number of node comparisons16
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements4
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)1.1
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (isReference())
    1
    if (isReference())
    2
    throw noChildrenAllowed();
    2
    throw noChildrenAllowed();
    3
    FilterChain result = new FilterChain();
    3
    FilterChain result = new FilterChain();
    3
    PatternSet patterns = new PatternSet();
    Differences
    Expression1Expression2Difference
    org.apache.tools.ant.types.FilterChainorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    resultpatternsVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.FilterChainorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    org.apache.tools.ant.types.FilterChainorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    3
    PatternSet patterns = new PatternSet();
                                                                                          
    4
    additionalPatterns.addElement(patterns);
    4
    result.setProject(getProject());
                                                                          
                          
    5
    ds = null;
    5
    errorFilterChains.add(result);
                                                                      
    6
    return result;
    6
    return result;
    6
    return patterns;
    Differences
    Expression1Expression2Difference
    resultpatternsVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.FilterChainorg.apache.tools.ant.types.PatternSetSUBCLASS_TYPE_MISMATCH
    6
    return patterns;
    Precondition Violations (1)
    Row Violation
    1Clone fragment #1 returns variable result with type org.apache.tools.ant.types.FilterChain , while Clone fragment #2 returns variable patterns with type org.apache.tools.ant.types.PatternSet