Session s = openSession(); Transaction t = s.beginTransaction(); // create a new thing with a non-null name Thing thing = new Thing(); thing.setName("one"); s.save(thing); t.commit(); s.close(); s = openSession(); t = s.beginTransaction(); List things = s.createQuery("from Thing").list(); assertEquals(1, things.size()); thing = (Thing)things.get(0); assertEquals("one", thing.getName()); t.commit(); s.close(); // give detached thing a null name and save it thing.setName(null); s = openSession(); t = s.beginTransaction(); s.update(thing); t.commit(); s.close(); s = openSession(); t = s.beginTransaction(); things = s.createQuery("from Thing").list(); assertEquals(1, things.size()); thing = (Thing)things.get(0); assertNull(thing.getName()); s.delete(thing); t.commit(); s.close();
Session s = openSession(); Transaction t = s.beginTransaction(); // create a new thing with a null name Thing thing = new Thing(); thing.setName(null); s.save(thing); t.commit(); s.close(); s = openSession(); t = s.beginTransaction(); List things = s.createQuery("from Thing").list(); assertEquals(1, things.size()); thing = (Thing)things.get(0); assertNull(thing.getName()); // change name to a non-null value thing.setName("two"); s.update(thing); t.commit(); s.close(); s = openSession(); t = s.beginTransaction(); things = s.createQuery("from Thing").list(); assertEquals(1, things.size()); thing = ((Thing) things.get(0)); assertEquals("two", thing.getName()); s.delete(thing); t.commit(); s.close();
Clone fragments detected by clone detection tool
File path: /hibernate-distribution-3.3.2.GA/project/testsuite/src/test/java/org/hibernate/test/join/OptionalJoinTest.java File path: /hibernate-distribution-3.3.2.GA/project/testsuite/src/test/java/org/hibernate/test/join/OptionalJoinTest.java
Method name: void testUpdateNonNullOptionalJoinToNullDetached() Method name: void testUpdateNullOptionalJoinToNonNull()
Number of AST nodes: 30 Number of AST nodes: 26
1
Session s = openSession();
1
Session s = openSession();
2
		Transaction t = s.beginTransaction();
2
		Transaction t = s.beginTransaction();
3
		// create a new thing with a non-null name
3
		// create a new thing with a null name
4
		Thing thing = new Thing();
4
		Thing thing = new Thing();
5
		thing.setName("one");
5
		thing.setName(null);
6
		s.save(thing);
6
		s.save(thing);
7
		t.commit();
7
		t.commit();
8
		s.close();
8
		s.close();
9
		s = openSession();
9
		s = openSession();
10
		t = s.beginTransaction();
10
		t = s.beginTransaction();
11
		List things = s.createQuery("from Thing").list();
11
		List things = s.createQuery("from Thing").list();
12
		assertEquals(1, things.size());
12
		assertEquals(1, things.size());
13
		thing = (Thing)things.get(0);
13
		thing = (Thing)things.get(0);
14
		assertEquals("one", thing.getName());
14
		assertNull(thing.getName());
15
		t.commit();
15
		
16
		s.close();
17
		// give detached thing a null name and save it
18
		thing.setName(null);
19
		s = openSession();
20
		t = s.beginTransaction(
16
// change name to a non-null value
21
);
17
		thing.setName("two");
22
		s.update(thing);
18
		s.update(thing);
23
		t.commit();
19
		t.commit();
24
		s.close();
20
		s.close();
25
		s = openSession();
21
		s = openSession();
26
		t = s.beginTransaction();
22
		t = s.beginTransaction();
27
		things = s.createQuery("from Thing").list();
23
		things = s.createQuery("from Thing").list();
28
		assertEquals(1, things.size());
24
		assertEquals(1, things.size());
29
		thing = (Thing)things.get(0);
25
		thing = ((Thing) things.get(0));
30
		assertNull(thing.getName());
26
		assertEquals("two", thing.getName());
31
		s.delete(thing);
27
		s.delete(thing);
32
		t.commit();
28
		t.commit();
33
		s.close();
29
		s.close();
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)0.0
Clones locationClones are declared in the same class
Number of node comparisons212
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements26
    Number of unmapped statements in the first code fragment4
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)0.0
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    Session s = openSession();
    1
    Session s = openSession();
    2
    Transaction t = s.beginTransaction();
    2
    Transaction t = s.beginTransaction();
    3
    Thing thing = new Thing();
    3
    Thing thing = new Thing();
    4
    thing.setName("one");
    4
    thing.setName("one");
    4
    thing.setName(null);
    Differences
    Expression1Expression2Difference
    "one"nullTYPE_COMPATIBLE_REPLACEMENT
    4
    thing.setName(null);
    5
    s.save(thing);
    5
    s.save(thing);
    6
    t.commit();
    6
    t.commit();
    7
    s.close();
    7
    s.close();
    8
    s = openSession();
    8
    s = openSession();
    9
    t = s.beginTransaction();
    9
    t = s.beginTransaction();
    10
    List things = s.createQuery("from Thing").list();
    10
    List things = s.createQuery("from Thing").list();
    11
    assertEquals(1, things.size());
    11
    assertEquals(1, things.size());
    12
    thing = (Thing)things.get(0);
    12
    thing = (Thing)things.get(0);
    13
    assertEquals("one", thing.getName());
    13
    assertEquals("one", thing.getName());
    23
    assertEquals("two", thing.getName());
    Differences
    Expression1Expression2Difference
    "one""two"LITERAL_VALUE_MISMATCH
    23
    assertEquals("two", thing.getName());
    14
    t.commit();
    16
    t.commit();
    15
    s.close();
    17
    s.close();
    16
    thing.setName(null);
    16
    thing.setName(null);
    14
    thing.setName("two");
    Differences
    Expression1Expression2Difference
    null"two"TYPE_COMPATIBLE_REPLACEMENT
    14
    thing.setName("two");
    17
    s = openSession();
    18
    s = openSession();
    18
    t = s.beginTransaction();
    19
    t = s.beginTransaction();
    19
    s.update(thing);
    15
    s.update(thing);
    20
    t.commit();
    25
    t.commit();
    21
    s.close();
                                
    22
    s = openSession();
    22
    s = openSession();
    Preondition Violations
    Unmatched statement s=openSession(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                            
    23
    t = s.beginTransaction();
    23
    t = s.beginTransaction();
    Preondition Violations
    Unmatched statement t=s.beginTransaction(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                          
    24
    things = s.createQuery("from Thing").list();
    20
    things = s.createQuery("from Thing").list();
    25
    assertEquals(1, things.size());
    21
    assertEquals(1, things.size());
    26
    thing = (Thing)things.get(0);
    26
    thing = (Thing)things.get(0);
    22
    thing = ((Thing)things.get(0));
    Differences
    Expression1Expression2Difference
    (Thing)things.get(0)((Thing)things.get(0))TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression (Thing)things.get(0) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression ((Thing)things.get(0)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    22
    thing = ((Thing)things.get(0));
    27
    assertNull(thing.getName());
    13
    assertNull(thing.getName());
    28
    s.delete(thing);
    24
    s.delete(thing);
    29
    t.commit();
    29
    t.commit();
    Preondition Violations
    Unmatched statement t.commit(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                  
    30
    s.close();
    26
    s.close();
    Precondition Violations (6)
    Row Violation
    1Unmatched statement s=openSession(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2Unmatched statement t=s.beginTransaction(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3Expression (Thing)things.get(0) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression ((Thing)things.get(0)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Unmatched statement t.commit(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    6Clone fragment #1 returns variables s , while Clone fragment #2 returns variables