boolean result = false; if (collection != null) { Collection<Object> mappedObjects = new HashSet<Object>(); Collection<Object> mappingObjects = new HashSet<Object>(); MappingRoot mappingRoot = mappingDomain.getMappingRoot(); for (Object object : collection) { if (object instanceof Mapping) { appendIfCanExecute(TypeMatchMappingCommand.create(mappingDomain, (Mapping)object)); mappingObjects.add(object); } else if (mappingRoot.isInputObject(object) || mappingRoot.isOutputObject(object)) { mappedObjects.add(object); } } if (!mappedObjects.isEmpty()) { Collection<? extends Mapping> mappings = mappingRoot.getAllMappings(mappedObjects); switch (mappings.size()) { case 0: { createMappingCommand = CreateMappingCommand.create(mappingDomain, mappedObjects); result = appendIfCanExecute(createMappingCommand); break; } case 1: { result = appendIfCanExecute(TypeMatchMappingCommand.create(mappingDomain, mappings.iterator().next())); break; } default: { break; } } } } result = result || !isEmpty(); return result;
boolean result = false; if (collection != null) { Collection<Object> mappedObjects = new HashSet<Object>(); Collection<Object> mappingObjects = new HashSet<Object>(); MappingRoot mappingRoot = mappingDomain.getMappingRoot(); for (Object object : collection) { if (object instanceof Mapping) { appendIfCanExecute(NameMatchMappingCommand.create(mappingDomain, (Mapping)object)); mappingObjects.add(object); } else if (mappingRoot.isInputObject(object) || mappingRoot.isOutputObject(object)) { mappedObjects.add(object); } } if (!mappedObjects.isEmpty()) { Collection<? extends Mapping> mappings = mappingRoot.getAllMappings(mappedObjects); switch (mappings.size()) { case 0: { createMappingCommand = CreateMappingCommand.create(mappingDomain, mappedObjects); result = appendIfCanExecute(createMappingCommand); break; } case 1: { result = appendIfCanExecute(NameMatchMappingCommand.create(mappingDomain, mappings.iterator().next())); break; } default: { break; } } } } result = result || !isEmpty(); return result;
Clone fragments detected by clone detection tool
File path: /emf-2.4.1/src/org/eclipse/emf/mapping/action/TypeMatchMappingAction.java File path: /emf-2.4.1/src/org/eclipse/emf/mapping/action/NameMatchMappingAction.java
Method name: boolean prepare() Method name: boolean prepare()
Number of AST nodes: 25 Number of AST nodes: 25
1
boolean result = false;
1
boolean result = false;
2
      if (collection != null)
2
      if (collection != null)
3
      {
3
      {
4
        Collection<Object> mappedObjects = new HashSet<Object>();
4
        Collection<Object> mappedObjects = new HashSet<Object>();
5
        Collection<Object> mappingObjects = new HashSet<Object>();
5
        Collection<Object> mappingObjects = new HashSet<Object>();
6
        MappingRoot mappingRoot = mappingDomain.getMappingRoot();
6
        MappingRoot mappingRoot = mappingDomain.getMappingRoot();
7
    
7
    
8
        for (Object object : collection)
8
        for (Object object : collection)
9
        {
9
        {
10
          if (object instanceof Mapping)
10
          if (object instanceof Mapping)
11
          {
11
          {
12
            appendIfCanExecute(TypeMatchMappingCommand.create(mappingDomain, (Mapping)object));
12
            appendIfCanExecute(NameMatchMappingCommand.create(mappingDomain, (Mapping)object));
13
            mappingObjects.add(object);
13
            mappingObjects.add(object);
14
          }
14
          }
15
          else if (mappingRoot.isInputObject(object) || mappingRoot.isOutputObject(object))
15
          else if (mappingRoot.isInputObject(object) || mappingRoot.isOutputObject(object))
16
          {
16
          {
17
            mappedObjects.add(object);
17
            mappedObjects.add(object);
18
          }
18
          }
19
        }
19
        }
20
        if (!mappedObjects.isEmpty())
20
        if (!mappedObjects.isEmpty())
21
        {
21
        {
22
          Collection<? extends Mapping> mappings = mappingRoot.getAllMappings(mappedObjects);
22
          Collection<? extends Mapping> mappings = mappingRoot.getAllMappings(mappedObjects);
23
          switch (mappings.size())
23
          switch (mappings.size())
24
          {
24
          {
25
            case 0:
25
            case 0:
26
            {
26
            {
27
              createMappingCommand = CreateMappingCommand.create(mappingDomain, mappedObjects);
27
              createMappingCommand = CreateMappingCommand.create(mappingDomain, mappedObjects);
28
              result = appendIfCanExecute(createMappingCommand);
28
              result = appendIfCanExecute(createMappingCommand);
29
              break;
29
              break;
30
            }
30
            }
31
            case 1:
31
            case 1:
32
            {
32
            {
33
              result = appendIfCanExecute(TypeMatchMappingCommand.create(mappingDomain, mappings.iterator().next()));
33
              result = appendIfCanExecute(NameMatchMappingCommand.create(mappingDomain, mappings.iterator().next()));
34
              break;
34
              break;
35
            }
35
            }
36
            default:
36
            default:
37
            {
37
            {
38
              break;
38
              break;
39
            }
39
            }
40
          }
40
          }
41
        }
41
        }
42
      }
42
      }
43
      result = result || !isEmpty();
43
      result = result || !isEmpty();
44
      return result;
44
      return result;
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)0.7
Clones locationClones are in different classes having the same super class
Number of node comparisons139
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements25
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)39.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    boolean result = false;
    1
    boolean result = false;
    2
    if (collection != null)
    2
    if (collection != null)
    3
    Collection<Object> mappedObjects = new HashSet<Object>();
    3
    Collection<Object> mappedObjects = new HashSet<Object>();
    4
    Collection<Object> mappingObjects = new HashSet<Object>();
    4
    Collection<Object> mappingObjects = new HashSet<Object>();
    5
    MappingRoot mappingRoot = mappingDomain.getMappingRoot();
    5
    MappingRoot mappingRoot = mappingDomain.getMappingRoot();
    6
    for (Object object : collection)
    6
    for (Object object : collection)
    7
    if (object instanceof Mapping)
    7
    if (object instanceof Mapping)
    8
    appendIfCanExecute(TypeMatchMappingCommand.create(mappingDomain, (Mapping)object));
    8
    appendIfCanExecute(TypeMatchMappingCommand.create(mappingDomain, (Mapping)object));
    8
    appendIfCanExecute(NameMatchMappingCommand.create(mappingDomain, (Mapping)object));
    Differences
    Expression1Expression2Difference
    org.eclipse.emf.mapping.command.TypeMatchMappingCommandorg.eclipse.emf.mapping.command.NameMatchMappingCommandSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression TypeMatchMappingCommand cannot be unified with expression NameMatchMappingCommand , because common superclass org.eclipse.emf.mapping.command.MatchMappingCommand does not declare member(s) public static org.eclipse.emf.common.command.Command create(org.eclipse.emf.mapping.domain.MappingDomain, org.eclipse.emf.mapping.Mapping)
    8
    appendIfCanExecute(NameMatchMappingCommand.create(mappingDomain, (Mapping)object));
    9
    mappingObjects.add(object);
    9
    mappingObjects.add(object);
    10
    else if (mappingRoot.isInputObject(object) || mappingRoot.isOutputObject(object))
    10
    else if (mappingRoot.isInputObject(object) || mappingRoot.isOutputObject(object))
    11
    mappedObjects.add(object);
    11
    mappedObjects.add(object);
    12
    if (!mappedObjects.isEmpty())
    12
    if (!mappedObjects.isEmpty())
    13
    Collection<?extendsMapping> mappings = mappingRoot.getAllMappings(mappedObjects);
    13
    Collection<?extendsMapping> mappings = mappingRoot.getAllMappings(mappedObjects);
    14
    switch (mappings.size())
    14
    switch (mappings.size())
    15
    case 0:
    15
    case 0:
    16
    createMappingCommand = CreateMappingCommand.create(mappingDomain, mappedObjects);
    16
    createMappingCommand = CreateMappingCommand.create(mappingDomain, mappedObjects);
    17
    result = appendIfCanExecute(createMappingCommand);
    17
    result = appendIfCanExecute(createMappingCommand);
    18
    break;
    18
    break;
    19
    case 1:
    19
    case 1:
    20
    result = appendIfCanExecute(TypeMatchMappingCommand.create(mappingDomain, mappings.iterator().next()));
    20
    result = appendIfCanExecute(TypeMatchMappingCommand.create(mappingDomain, mappings.iterator().next()));
    20
    result = appendIfCanExecute(NameMatchMappingCommand.create(mappingDomain, mappings.iterator().next()));
    Differences
    Expression1Expression2Difference
    org.eclipse.emf.mapping.command.TypeMatchMappingCommandorg.eclipse.emf.mapping.command.NameMatchMappingCommandSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression TypeMatchMappingCommand cannot be unified with expression NameMatchMappingCommand , because common superclass org.eclipse.emf.mapping.command.MatchMappingCommand does not declare member(s) public static org.eclipse.emf.common.command.Command create(org.eclipse.emf.mapping.domain.MappingDomain, org.eclipse.emf.mapping.Mapping)
    20
    result = appendIfCanExecute(NameMatchMappingCommand.create(mappingDomain, mappings.iterator().next()));
    21
    break;
    21
    break;
    22
    default:
    22
    default:
    23
    break;
    23
    break;
    24
    result = result || !isEmpty();
    24
    result = result || !isEmpty();
    25
    return result;
    25
    return result;
    Precondition Violations (2)
    Row Violation
    1Expression TypeMatchMappingCommand cannot be unified with expression NameMatchMappingCommand , because common superclass org.eclipse.emf.mapping.command.MatchMappingCommand does not declare member(s) public static org.eclipse.emf.common.command.Command create(org.eclipse.emf.mapping.domain.MappingDomain, org.eclipse.emf.mapping.Mapping)
    2Expression TypeMatchMappingCommand cannot be unified with expression NameMatchMappingCommand , because common superclass org.eclipse.emf.mapping.command.MatchMappingCommand does not declare member(s) public static org.eclipse.emf.common.command.Command create(org.eclipse.emf.mapping.domain.MappingDomain, org.eclipse.emf.mapping.Mapping)