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(); // change detached thing name to a new non-null name and save it thing.setName("one_changed"); 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("one_changed", 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()); t.commit(); s.close(); // change detached thing name to a non-null value thing.setName("two"); 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)); 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 testUpdateNonNullOptionalJoinToDiffNonNullDetached() Method name: void testMergeNullOptionalJoinToNonNullDetached()
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 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
		t.commit();
16
		s.close();
16
		s.close();
17
				
18
		// change detached thing name to a new non-null name and save it
17
		// change detached thing name to a non-null value
19
		thing.setName("one_changed");
18
		thing.setName("two");
20
		s = openSession();
19
		s = openSession();
21
		t = s.beginTransaction();
20
		t = s.beginTransaction();
22
		s.update(thing);
21
		s.merge(thing);
23
		t.commit();
22
		t.commit();
24
		s.close();
23
		s.close();
25
		s = openSession();
24
		s = openSession();
26
		t = s.beginTransaction();
25
		t = s.beginTransaction();
27
		things = s.createQuery("from Thing").list();
26
		things = s.createQuery("from Thing").list();
28
		assertEquals(1, things.size());
27
		assertEquals(1, things.size());
29
		thing = (Thing)things.get(0);
28
		thing = ((Thing) things.get(0));
30
		assertEquals("one_changed", thing.getName());
29
		assertEquals("two", thing.getName());
31
		s.delete(thing);
30
		s.delete(thing);
32
		t.commit();
31
		t.commit();
33
		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 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");
    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());
    27
    assertEquals("two", thing.getName());
    Differences
    Expression1Expression2Difference
    "one""two"LITERAL_VALUE_MISMATCH
    27
    assertEquals("two", thing.getName());
    14
    t.commit();
    14
    t.commit();
    15
    s.close();
    15
    s.close();
    16
    thing.setName("one_changed");
    16
    thing.setName("one_changed");
    16
    thing.setName("two");
    Differences
    Expression1Expression2Difference
    "one_changed""two"LITERAL_VALUE_MISMATCH
    16
    thing.setName("two");
    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);
    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("one_changed", thing.getName());
    27
    assertEquals("one_changed", thing.getName());
    13
    assertNull(thing.getName());
    Differences
    Expression1Expression2Difference
    assertEqualsassertNullMETHOD_INVOCATION_NAME_MISMATCH
    assertEquals("one_changed",thing.getName())assertNull(thing.getName())ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression assertEquals("one_changed",thing.getName()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertNull(thing.getName()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertEquals("one_changed",thing.getName()) is a void method call, and thus it cannot be parameterized
    Expression assertNull(thing.getName()) is a void method call, and thus it cannot be parameterized
    Expression assertEquals("one_changed",thing.getName()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertNull(thing.getName()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertEquals("one_changed",thing.getName()) is a void method call, and thus it cannot be parameterized
    Expression assertNull(thing.getName()) is a void method call, and thus it cannot be parameterized
    13
    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 (13)
    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
    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
    5Expression assertEquals("one_changed",thing.getName()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression assertNull(thing.getName()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression assertEquals("one_changed",thing.getName()) is a void method call, and thus it cannot be parameterized
    8Expression assertNull(thing.getName()) is a void method call, and thus it cannot be parameterized
    9Expression assertEquals("one_changed",thing.getName()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Expression assertNull(thing.getName()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Expression assertEquals("one_changed",thing.getName()) is a void method call, and thus it cannot be parameterized
    12Expression assertNull(thing.getName()) is a void method call, and thus it cannot be parameterized
    13Clone fragment #1 returns variables thing, s , while Clone fragment #2 returns variables thing, s