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()); t.commit(); s.close(); // change detached thing name to a non-null value thing.setName("two"); 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)); assertEquals("two", thing.getName()); s.delete(thing); t.commit(); s.close();
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();
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 testUpdateNullOptionalJoinToNonNullDetached() Method name: void testUpdateNonNullOptionalJoinToNullDetached()
Number of AST nodes: 30 Number of AST nodes: 30
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 null name
3
		// create a new thing with a non-null name
4
		Thing thing = new Thing();
4
		Thing thing = new Thing();
5
		thing.setName(null);
5
		thing.setName("one");
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
		assertNull(thing.getName());
14
		assertEquals("one", thing.getName());
15
		t.commit();
15
		t.commit();
16
		s.close();
16
		s.close();
17
		// change detached thing name to a non-null value
17
		// give detached thing a null name and save it
18
		thing.setName("two");
18
		thing.setName(null);
19
		s = openSession();
19
		s = openSession();
20
		t = s.beginTransaction();
20
		t = s.beginTransaction();
21
		s.update(thing);
21
		s.update(thing);
22
		t.commit();
22
		t.commit();
23
		s.close();
23
		s.close();
24
		s = openSession();
24
		s = openSession();
25
		t = s.beginTransaction();
25
		t = s.beginTransaction();
26
		things = s.createQuery("from Thing").list();
26
		things = s.createQuery("from Thing").list();
27
		assertEquals(1, things.size());
27
		assertEquals(1, things.size());
28
		thing = ((Thing) things.get(0));
28
		thing = (Thing)things.get(0);
29
		assertEquals("two", thing.getName());
29
		assertNull(thing.getName());
30
		s.delete(thing);
30
		s.delete(thing);
31
		t.commit();
31
		t.commit();
32
		s.close();
32
		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 comparisons187
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements30
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)0.0
    Clone typeType 2
    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(null);
    4
    thing.setName(null);
    4
    thing.setName("one");
    Differences
    Expression1Expression2Difference
    null"one"TYPE_COMPATIBLE_REPLACEMENT
    4
    thing.setName("one");
    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
    assertNull(thing.getName());
    27
    assertNull(thing.getName());
    14
    t.commit();
    14
    t.commit();
    15
    s.close();
    15
    s.close();
    16
    thing.setName("two");
    16
    thing.setName("two");
    16
    thing.setName(null);
    Differences
    Expression1Expression2Difference
    "two"nullTYPE_COMPATIBLE_REPLACEMENT
    16
    thing.setName(null);
    17
    s = openSession();
    17
    s = openSession();
    18
    t = s.beginTransaction();
    18
    t = s.beginTransaction();
    19
    s.update(thing);
    19
    s.update(thing);
    20
    t.commit();
    20
    t.commit();
    21
    s.close();
    21
    s.close();
    22
    s = openSession();
    22
    s = openSession();
    23
    t = s.beginTransaction();
    23
    t = s.beginTransaction();
    24
    things = s.createQuery("from Thing").list();
    24
    things = s.createQuery("from Thing").list();
    25
    assertEquals(1, things.size());
    25
    assertEquals(1, things.size());
    26
    thing = ((Thing)things.get(0));
    26
    thing = ((Thing)things.get(0));
    26
    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
    26
    thing = (Thing)things.get(0);
    27
    assertEquals("two", thing.getName());
    27
    assertEquals("two", thing.getName());
    13
    assertEquals("one", thing.getName());
    Differences
    Expression1Expression2Difference
    "two""one"LITERAL_VALUE_MISMATCH
    13
    assertEquals("one", thing.getName());
    28
    s.delete(thing);
    28
    s.delete(thing);
    29
    t.commit();
    29
    t.commit();
    30
    s.close();
    30
    s.close();
    Precondition Violations (2)
    Row Violation
    1Expression ((Thing)things.get(0)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression (Thing)things.get(0) cannot be parameterized, because it has dependencies to/from statements that will be extracted