if (files == null) { files = getFileNames(this); } return files;
if (cpDelegate == null) { cpDelegate = ClasspathUtils.getDelegate(this); } return cpDelegate;
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Tar.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/DefBase.java
Method name: String[] getFiles(Project) Method name: ClasspathUtils.Delegate getDelegate()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (files == null) {
1
if (cpDelegate == null) {
2
                files = getFileNames(this);
2
            cpDelegate = ClasspathUtils.getDelegate(this);
3
            }
3
        }
4
            return files;
4
        return cpDelegate;
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 comparisons5
  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)0.3
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (files == null)
    1
    if (files == null)
    1
    if (cpDelegate == null)
    Differences
    Expression1Expression2Difference
    filescpDelegateVARIABLE_NAME_MISMATCH
    java.lang.String[]org.apache.tools.ant.util.ClasspathUtils.DelegateVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String[] of variable files does not match with type org.apache.tools.ant.util.ClasspathUtils.Delegate of variable cpDelegate
    • Make classes java.lang.String[] and org.apache.tools.ant.util.ClasspathUtils.Delegate extend a common superclass
    1
    if (cpDelegate == null)
                                                                                                  
    2
    cpDelegate = ClasspathUtils.getDelegate(this);
    2
    files = getFileNames(this);
                                                            
                                              
    3
    return cpDelegate;
    Preondition Violations
    Unmatched return cpDelegate;
    3
    return cpDelegate;
    3
    return files;
    3
    return files;
    Preondition Violations
    Unmatched return files;
                                    
    Precondition Violations (3)
    Row Violation
    1Type java.lang.String[] of variable files does not match with type org.apache.tools.ant.util.ClasspathUtils.Delegate of variable cpDelegate
    2Unmatched return cpDelegate;
    3Unmatched return files;