EntityMode entityMode = getSession().getEntityMode(); //if (set==null) return new Set(session); HashMap clonedSet = new HashMap( set.size() ); Iterator iter = set.iterator(); while ( iter.hasNext() ) { Object copied = persister.getElementType() .deepCopy( iter.next(), entityMode, persister.getFactory() ); clonedSet.put(copied, copied); } return clonedSet;
EntityMode entityMode = getSession().getEntityMode(); ArrayList clonedList = new ArrayList( bag.size() ); Iterator iter = bag.iterator(); while ( iter.hasNext() ) { clonedList.add( persister.getElementType().deepCopy( iter.next(), entityMode, persister.getFactory() ) ); } return clonedList;
Clone fragments detected by clone detection tool
File path: /hibernate-distribution-3.3.2.GA/project/core/src/main/java/org/hibernate/collection/PersistentSet.java File path: /hibernate-distribution-3.3.2.GA/project/core/src/main/java/org/hibernate/collection/PersistentBag.java
Method name: Serializable getSnapshot(CollectionPersister) Method name: Serializable getSnapshot(CollectionPersister)
Number of AST nodes: 7 Number of AST nodes: 6
1
EntityMode entityMode = getSession().getEntityMode();
1
EntityMode entityMode = getSession().getEntityMode();
2
		
2
		
3
		//if (set==null) return new Set(session);
4
		HashMap clonedSet = new HashMap( set.size() );
3
ArrayList clonedList = new ArrayList( bag.size() );
5
		Iterator iter = set.iterator();
4
		Iterator iter = bag.iterator();
6
		while ( iter.hasNext() ) {
5
		while ( iter.hasNext() ) {
7
			Object copied = persister.getElementType()
6
			clonedList.add( persister.getElementType()
8
					.deepCopy( iter.next(), entityMode, persister.getFactory() );
7
.deepCopy( iter.next(), entityMode, persister.getFactory() )
9
			clonedSet.put(copied, copied);
8
 );
10
		}
9
		}
11
		return clonedSet;
10
		return clonedList;
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 comparisons22
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements3
    Number of unmapped statements in the first code fragment4
    Number of unmapped statements in the second code fragment3
    Time elapsed for statement mapping (ms)1.1
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    EntityMode entityMode = getSession().getEntityMode();
    1
    EntityMode entityMode = getSession().getEntityMode();
                                                                                                        
    2
    ArrayList clonedList = new ArrayList(bag.size());
    2
    HashMap clonedSet = new HashMap(set.size());
                                                                                              
    3
    Iterator iter = set.iterator();
    3
    Iterator iter = set.iterator();
    3
    Iterator iter = bag.iterator();
    Differences
    Expression1Expression2Difference
    setbagVARIABLE_NAME_MISMATCH
    java.util.Setjava.util.ListVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.util.Set of variable set does not match with type java.util.List of variable bag
    • Make classes java.util.Set and java.util.List extend a common superclass
    3
    Iterator iter = bag.iterator();
    4
    while (iter.hasNext())
    4
    while (iter.hasNext())
                                                                                                                                                                                                                
    5
    clonedList.add(persister.getElementType().deepCopy(iter.next(), entityMode, persister.getFactory()));
    5
    Object copied = persister.getElementType().deepCopy(iter.next(), entityMode, persister.getFactory());
    5
    Object copied = persister.getElementType().deepCopy(iter.next(), entityMode, persister.getFactory());
    Preondition Violations
    Unmatched statement Object copied=persister.getElementType().deepCopy(iter.next(),entityMode,persister.getFactory()); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                                                                                                                                                            
    6
    clonedSet.put(copied, copied);
                                                                    
                                              
    6
    return clonedList;
    Preondition Violations
    Unmatched return clonedList;
    6
    return clonedList;
    7
    return clonedSet;
    7
    return clonedSet;
    Preondition Violations
    Unmatched return clonedSet;
                                            
    Precondition Violations (5)
    Row Violation
    1Type java.util.Set of variable set does not match with type java.util.List of variable bag
    2Unmatched statement Object copied=persister.getElementType().deepCopy(iter.next(),entityMode,persister.getFactory()); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3Unmatched return clonedList;
    4Unmatched return clonedSet;
    5Clone fragment #1 returns variables entityMode, iter , while Clone fragment #2 returns variables entityMode, iter