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;
while (depEnum.hasMoreElements()) { String dependentClass = (String) depEnum.nextElement(); Hashtable affectedClasses = (Hashtable) affectedClassMap.get(dependentClass); if (affectedClasses == null) { affectedClasses = new Hashtable(); affectedClassMap.put(dependentClass, affectedClasses); } affectedClasses.put(info.className, info); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/script/ScriptDefBase.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/depend/Depend.java
Method name: Object createDynamicElement(String) Method name: void determineDependencies()
Number of AST nodes: 7 Number of AST nodes: 7
1
List nestedElementList = (List) nestedElementMap.get(name);
1
while (depEnum.hasMoreElements()) {
2
                String dependentClass = (String) depEnum.nextElement();
3
                Hashtable affectedClasses
4
                    = (Hashtable) affectedClassMap.get(dependentClass);
2
        if (nestedElementList == null) {
5
                if (affectedClasses == null) {
3
            nestedElementList = new ArrayList();
6
                    affectedClasses = new Hashtable();
4
            nestedElementMap.put(name, nestedElementList);
7
                    affectedClassMap.put(dependentClass, affectedClasses);
5
        }
8
          
6
    
9
      }
7
    Object element = getScript().createNestedElement(name);
10
    
8
        nestedElementList.add(element);
11
            
9
        return element;
12
affectedClasses.put(info.className, info);
13
            }
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 comparisons21
  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 fragment4
    Time elapsed for statement mapping (ms)1.3
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    List nestedElementList = (List)nestedElementMap.get(name);
                                                                                                                          
                                                                                                                    
    36
    String dependentClass = (String)depEnum.nextElement();
    Preondition Violations
    Unmatched statement String dependentClass=(String)depEnum.nextElement(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    36
    String dependentClass = (String)depEnum.nextElement();
                                                                                                                                                                
    37
    Hashtable affectedClasses = (Hashtable)affectedClassMap.get(dependentClass);
    Preondition Violations
    Unmatched statement Hashtable affectedClasses=(Hashtable)affectedClassMap.get(dependentClass); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    37
    Hashtable affectedClasses = (Hashtable)affectedClassMap.get(dependentClass);
    2
    if (nestedElementList == null)
    2
    if (nestedElementList == null)
    38
    if (affectedClasses == null)
    Differences
    Expression1Expression2Difference
    nestedElementListaffectedClassesVARIABLE_NAME_MISMATCH
    java.util.Listjava.util.HashtableVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.util.List of variable nestedElementList does not match with type java.util.Hashtable of variable affectedClasses
    • Make classes java.util.List and java.util.Hashtable extend a common superclass
    38
    if (affectedClasses == null)
    3
    nestedElementList = new ArrayList();
    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
                                                                              
                                                                            
    39
    affectedClasses = new Hashtable();
    Preondition Violations
    Unmatched statement affectedClasses=new Hashtable(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    39
    affectedClasses = new Hashtable();
    4
    nestedElementMap.put(name, nestedElementList);
    4
    nestedElementMap.put(name, nestedElementList);
    40
    affectedClassMap.put(dependentClass, affectedClasses);
    Differences
    Expression1Expression2Difference
    namedependentClassVARIABLE_NAME_MISMATCH
    nestedElementListaffectedClassesVARIABLE_NAME_MISMATCH
    java.util.Listjava.util.HashtableVARIABLE_TYPE_MISMATCH
    nestedElementMapaffectedClassMapVARIABLE_NAME_MISMATCH
    java.util.Mapjava.util.HashtableVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.util.List of variable nestedElementList does not match with type java.util.Hashtable of variable affectedClasses
    • Make classes java.util.List and java.util.Hashtable extend a common superclass
    Type java.util.Map of variable nestedElementMap does not match with type java.util.Hashtable of variable affectedClassMap
    • Make classes java.util.Map and java.util.Hashtable extend a common superclass
    40
    affectedClassMap.put(dependentClass, affectedClasses);
    5
    Object element = getScript().createNestedElement(name);
                                                                                                                    
    6
    nestedElementList.add(element);
                                                                        
    7
    return element;
    7
    return element;
    Preondition Violations
    Unmatched return element;
                                        
                                                                                              
    41
    affectedClasses.put(info.className, info);
    Precondition Violations (8)
    Row Violation
    1Unmatched statement String dependentClass=(String)depEnum.nextElement(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2Unmatched statement Hashtable affectedClasses=(Hashtable)affectedClassMap.get(dependentClass); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3Type java.util.List of variable nestedElementList does not match with type java.util.Hashtable of variable affectedClasses
    4Unmatched statement nestedElementList=new ArrayList(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    5Unmatched statement affectedClasses=new Hashtable(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    6Type java.util.List of variable nestedElementList does not match with type java.util.Hashtable of variable affectedClasses
    7Type java.util.Map of variable nestedElementMap does not match with type java.util.Hashtable of variable affectedClassMap
    8Unmatched return element;