if (files == null) { files = getFileNames(this); } return files;
if (path == null) { path = new Union(); path.setProject(getProject()); } return path;
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/PathConvert.java
Method name: String[] getFiles(Project) Method name: Union getPath()
Number of AST nodes: 3 Number of AST nodes: 4
1
if (files == null) {
1
if (path == null) {
2
                files = getFileNames(this);
2
            
3
            }
3
path = new Union();
4
            path.setProject(getProject());
4
      
5
        }
5
      return files;
6
        return path;
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 comparisons7
  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 fragment3
    Time elapsed for statement mapping (ms)0.5
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    if (files == null)
    1
    if (files == null)
    1
    if (path == null)
    Differences
    Expression1Expression2Difference
    filespathVARIABLE_NAME_MISMATCH
    java.lang.String[]org.apache.tools.ant.types.resources.UnionVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String[] of variable files does not match with type org.apache.tools.ant.types.resources.Union of variable path
    • Make classes java.lang.String[] and org.apache.tools.ant.types.resources.Union extend a common superclass
    1
    if (path == null)
                                            
    2
    path = new Union();
    2
    files = getFileNames(this);
                                                            
                                                                      
    3
    path.setProject(getProject());
    3
    return files;
    3
    return files;
    Preondition Violations
    Unmatched return files;
                                    
                                  
    4
    return path;
    Preondition Violations
    Unmatched return path;
    4
    return path;
    Precondition Violations (3)
    Row Violation
    1Type java.lang.String[] of variable files does not match with type org.apache.tools.ant.types.resources.Union of variable path
    2Unmatched return files;
    3Unmatched return path;