if (iterator==null) { iterator = map.values().iterator(); } return iterator;
if ( borrowedConnection == null ) { borrowedConnection = BorrowedConnectionProxy.generateProxy( this ); } return borrowedConnection;
Clone fragments detected by clone detection tool
File path: /hibernate-distribution-3.3.2.GA/project/core/src/main/java/org/hibernate/util/LazyIterator.java File path: /hibernate-distribution-3.3.2.GA/project/core/src/main/java/org/hibernate/jdbc/ConnectionManager.java
Method name: Iterator getIterator() Method name: Connection borrowConnection()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (iterator==null) {
1
if ( borrowedConnection == null ) {
2
			iterator = map.values().iterator();
2
				borrowedConnection = BorrowedConnectionProxy.generateProxy( this );
3
		}
3
			}
4
		return iterator;
4
			return borrowedConnection;
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 comparisons5
  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 fragment2
    Time elapsed for statement mapping (ms)0.3
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (iterator == null)
    1
    if (iterator == null)
    5
    if (borrowedConnection == null)
    Differences
    Expression1Expression2Difference
    iteratorborrowedConnectionVARIABLE_NAME_MISMATCH
    java.util.Iteratorjava.sql.ConnectionVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.util.Iterator of variable iterator does not match with type java.sql.Connection of variable borrowedConnection
    • Make classes java.util.Iterator and java.sql.Connection extend a common superclass
    5
    if (borrowedConnection == null)
    2
    iterator = map.values().iterator();
                                                                            
                                                                                                                                        
    6
    borrowedConnection = BorrowedConnectionProxy.generateProxy(this);
    3
    return iterator;
    3
    return iterator;
    Preondition Violations
    Unmatched return iterator;
                                          
                                                              
    7
    return borrowedConnection;
    Preondition Violations
    Unmatched return borrowedConnection;
    7
    return borrowedConnection;
    Precondition Violations (3)
    Row Violation
    1Type java.util.Iterator of variable iterator does not match with type java.sql.Connection of variable borrowedConnection
    2Unmatched return iterator;
    3Unmatched return borrowedConnection;