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 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.merge(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 testUpdateNonNullOptionalJoinToNullDetached() Method name: void testMergeNonNullOptionalJoinToNullDetached()
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 non-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("one");
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
		assertEquals("one", thing.getName());
14
		assertEquals("one", thing.getName());
15
		t.commit();
15
		t.commit();
16
		s.close();
16
		s.close();
17
		// give detached thing a null name and save it
17
		// give detached thing a null name and save it
18
		thing.setName(null);
18
		thing.setName(null);
19
		s = openSession();
19
		s = openSession();
20
		t = s.beginTransaction();
20
		t = s.beginTransaction();
21
		s.update(thing);
21
		s.merge(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
		assertNull(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 cases1
Number of non-refactorable cases0
Time elapsed for finding largest common nesting structure subtrees (ms)0.0
Clones locationClones are declared in the same class
Number of node comparisons155
  1. {Refactorable}
    Mapping Summary
    Number of mapped statements29
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)0.0
    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("one");
    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
    assertEquals("one", thing.getName());
    13
    assertEquals("one", thing.getName());
    14
    t.commit();
    14
    t.commit();
    15
    s.close();
    15
    s.close();
    16
    thing.setName(null);
    16
    thing.setName(null);
    17
    s = openSession();
    17
    s = openSession();
    18
    t = s.beginTransaction();
    18
    t = s.beginTransaction();
                                          
    19
    s.merge(thing);
    Preondition Violations
    Unmatched statement s.merge(thing); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    19
    s.merge(thing);
    19
    s.update(thing);
    19
    s.update(thing);
    Preondition Violations
    Unmatched statement s.update(thing); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                            
    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);
    27
    assertNull(thing.getName());
    27
    assertNull(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
    1Unmatched statement s.merge(thing); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2Unmatched statement s.update(thing); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted