File thisLink = (File) litr.next(); File parent = thisLink.getParentFile(); Vector v = (Vector) byDir.get(parent); if (v == null) { v = new Vector(); byDir.put(parent, v); } v.addElement(thisLink);
List nestedElementList = (List) nestedElementMap.get(name); if (nestedElementList == null) { nestedElementList = new ArrayList(); nestedElementMap.put(name, nestedElementList); } Object element = getScript().createNestedElement(name); nestedElementList.add(element); return element;
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/unix/Symlink.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/script/ScriptDefBase.java
Method name: void record() Method name: Object createDynamicElement(String)
Number of AST nodes: 7 Number of AST nodes: 7
1
File thisLink = (File) litr.next();
2
                File parent = thisLink.getParentFile();
3
                Vector v = (Vector) byDir.get(parent
1
List nestedElementList = (List) nestedElementMap.get(name);
2
        if (nestedElementList == null) {
4
);
3
            nestedElementList = new ArrayList();
5
                if (v == null) {
4
            nestedElementMap.put(name, nestedElementList);
6
        
5
        }
7
            v = new Vector();
6
        
8
                    byDir.put(parent, v);
9
                }
10
                v.addElement(thisLink)
7
Object element = getScript().createNestedElement(name);
8
        nestedElementList.add(element);
11
;
9
        return element;
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 comparisons25
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements2
    Number of unmapped statements in the first code fragment5
    Number of unmapped statements in the second code fragment5
    Time elapsed for statement mapping (ms)1.6
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                                                          
    1
    List nestedElementList = (List)nestedElementMap.get(name);
                                                                                                                    
    5
    Object element = getScript().createNestedElement(name);
                                                                        
    6
    nestedElementList.add(element);
                                        
    7
    return element;
    Preondition Violations
    Unmatched return element;
    7
    return element;
    10
    File thisLink = (File)litr.next();
                                                                            
    11
    File parent = thisLink.getParentFile();
    11
    File parent = thisLink.getParentFile();
    Preondition Violations
    Unmatched statement File parent=thisLink.getParentFile(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                                      
    12
    Vector v = (Vector)byDir.get(parent);
    12
    Vector v = (Vector)byDir.get(parent);
    Preondition Violations
    Unmatched statement Vector v=(Vector)byDir.get(parent); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                                  
    13
    if (v == null)
    13
    if (v == null)
    2
    if (nestedElementList == null)
    Differences
    Expression1Expression2Difference
    vnestedElementListVARIABLE_NAME_MISMATCH
    java.util.Vectorjava.util.ListVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.util.Vector of variable v does not match with type java.util.List of variable nestedElementList
    • Make classes java.util.Vector and java.util.List extend a common superclass
    2
    if (nestedElementList == null)
                                                                              
    3
    nestedElementList = new ArrayList();
    Preondition Violations
    Unmatched statement nestedElementList=new ArrayList(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3
    nestedElementList = new ArrayList();
    14
    v = new Vector();
    14
    v = new Vector();
    Preondition Violations
    Unmatched statement v=new Vector(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                          
    15
    byDir.put(parent, v);
    15
    byDir.put(parent, v);
    4
    nestedElementMap.put(name, nestedElementList);
    Differences
    Expression1Expression2Difference
    parentnameVARIABLE_NAME_MISMATCH
    java.io.Filejava.lang.StringVARIABLE_TYPE_MISMATCH
    byDirnestedElementMapVARIABLE_NAME_MISMATCH
    java.util.Hashtablejava.util.MapVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.io.File of variable parent does not match with type java.lang.String of variable name
    • Make classes java.io.File and java.lang.String extend a common superclass
    Type java.util.Hashtable of variable byDir does not match with type java.util.Map of variable nestedElementMap
    • Make classes java.util.Hashtable and java.util.Map extend a common superclass
    4
    nestedElementMap.put(name, nestedElementList);
    16
    v.addElement(thisLink);
                                                          
    Precondition Violations (8)
    Row Violation
    1Unmatched return element;
    2Unmatched statement File parent=thisLink.getParentFile(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3Unmatched statement Vector v=(Vector)byDir.get(parent); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    4Type java.util.Vector of variable v does not match with type java.util.List of variable nestedElementList
    5Unmatched statement nestedElementList=new ArrayList(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    6Unmatched statement v=new Vector(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    7Type java.io.File of variable parent does not match with type java.lang.String of variable name
    8Type java.util.Hashtable of variable byDir does not match with type java.util.Map of variable nestedElementMap