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();
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 testMergeNonNullOptionalJoinToNullDetached() 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();
21
		s.merg
16
// change name to a non-null value
17
		thing.setName("two");
22
e(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());
    15
    s.update(thing);
    Differences
    Expression1Expression2Difference
    assertEqualsupdateMETHOD_INVOCATION_NAME_MISMATCH
    assertEquals("one",thing.getName())s.update(thing)ARGUMENT_NUMBER_MISMATCH
    sMISSING_METHOD_INVOCATION_EXPRESSION
    Preondition Violations
    Expression assertEquals("one",thing.getName()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression s.update(thing) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertEquals("one",thing.getName()) is a void method call, and thus it cannot be parameterized
    Expression s.update(thing) is a void method call, and thus it cannot be parameterized
    Expression assertEquals("one",thing.getName()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression s.update(thing) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertEquals("one",thing.getName()) is a void method call, and thus it cannot be parameterized
    Expression s.update(thing) is a void method call, and thus it cannot be parameterized
    15
    s.update(thing);
    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.merge(thing);
    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
                                          
    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();
    23
    assertEquals("two", thing.getName());
    Differences
    Expression1Expression2Difference
    commitassertEqualsMETHOD_INVOCATION_NAME_MISMATCH
    t.commit()assertEquals("two",thing.getName())ARGUMENT_NUMBER_MISMATCH
    tMISSING_METHOD_INVOCATION_EXPRESSION
    Preondition Violations
    Expression t.commit() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertEquals("two",thing.getName()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression t.commit() is a void method call, and thus it cannot be parameterized
    Expression assertEquals("two",thing.getName()) is a void method call, and thus it cannot be parameterized
    Expression t.commit() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertEquals("two",thing.getName()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression t.commit() is a void method call, and thus it cannot be parameterized
    Expression assertEquals("two",thing.getName()) is a void method call, and thus it cannot be parameterized
    23
    assertEquals("two", thing.getName());
    30
    s.close();
    26
    s.close();
    Precondition Violations (22)
    Row Violation
    1Expression assertEquals("one",thing.getName()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression s.update(thing) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression assertEquals("one",thing.getName()) is a void method call, and thus it cannot be parameterized
    4Expression s.update(thing) is a void method call, and thus it cannot be parameterized
    5Expression assertEquals("one",thing.getName()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression s.update(thing) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression assertEquals("one",thing.getName()) is a void method call, and thus it cannot be parameterized
    8Expression s.update(thing) is a void method call, and thus it cannot be parameterized
    9Unmatched statement s.merge(thing); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    10Unmatched statement s=openSession(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    11Unmatched statement t=s.beginTransaction(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    12Expression (Thing)things.get(0) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    13Expression ((Thing)things.get(0)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    14Expression t.commit() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    15Expression assertEquals("two",thing.getName()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    16Expression t.commit() is a void method call, and thus it cannot be parameterized
    17Expression assertEquals("two",thing.getName()) is a void method call, and thus it cannot be parameterized
    18Expression t.commit() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    19Expression assertEquals("two",thing.getName()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    20Expression t.commit() is a void method call, and thus it cannot be parameterized
    21Expression assertEquals("two",thing.getName()) is a void method call, and thus it cannot be parameterized
    22Clone fragment #1 returns variables thing, s , while Clone fragment #2 returns variables