if ( owner == null ) { owner = persistenceContext.getCollectionOwner( collectionRowKey, persister ); if ( owner == null ) { //TODO: This is assertion is disabled because there is a bug that means the // original owner of a transient, uninitialized collection is not known // if the collection is re-referenced by a different object associated // with the current Session //throw new AssertionFailure("bug loading unowned collection"); } }
if ( group == null ) { throw new IllegalArgumentException( "group cannot be null" ); }
Clone fragments detected by clone detection tool
File path: /hibernate-distribution-3.3.2.GA/project/core/src/main/java/org/hibernate/loader/Loader.java File path: /hibernate-distribution-3.3.2.GA/project/testsuite/src/test/java/org/hibernate/test/manytomanyassociationclass/User.java
Method name: void readCollectionElement(Object, Serializable, CollectionPersister, CollectionAliases, ResultSet, SessionImplementor) Method name: void addGroupMembership(Group)
Number of AST nodes: 3 Number of AST nodes: 2
1
if ( owner == null ) {
1
if ( group == null ) {
2
				owner = persistenceContext.getCollectionOwner( collectionRowKey, persister );
2
			
3
				if ( owner == null ) {
4
					//TODO: This is assertion is disabled because there is a bug that means the
5
					//	  original owner of a transient, uninitialized collection is not known
6
					//	  if the collection is re-referenced by a different object associated
7
					//	  with the current Session
8
					//throw new AssertionFailure("bug loading unowned collection");
9
				}
10
	
3
throw new IllegalArgumentException( "group cannot be null" );
11
		}
4
		}
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
Number of node comparisons2
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)0.2
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    8
    owner = persistenceContext.getCollectionOwner(collectionRowKey, persister);
                                                                                                                                                          
    9
    if (owner == null)
    9
    if (owner == null)
    1
    if (group == null)
    Differences
    Expression1Expression2Difference
    ownergroupVARIABLE_NAME_MISMATCH
    java.lang.Objectorg.hibernate.test.manytomanyassociationclass.GroupVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.Object of variable owner does not match with type org.hibernate.test.manytomanyassociationclass.Group of variable group
    • Make classes java.lang.Object and org.hibernate.test.manytomanyassociationclass.Group extend a common superclass
    1
    if (group == null)
                                                                                                                                
    2
    throw new IllegalArgumentException("group cannot be null");
    Preondition Violations
    Unmatched throw new IllegalArgumentException("group cannot be null");
    2
    throw new IllegalArgumentException("group cannot be null");
    Precondition Violations (2)
    Row Violation
    1Type java.lang.Object of variable owner does not match with type org.hibernate.test.manytomanyassociationclass.Group of variable group
    2Unmatched throw new IllegalArgumentException("group cannot be null");