173-3-4

if (itemPropertyDescriptors == null) { super.getPropertyDescriptors(object); addContainmentPropertyDescriptor(object); addContainerPropertyDescriptor(object); addResolveProxiesPropertyDescriptor(object); addEOppositePropertyDescriptor(object); addEReferenceTypePropertyDescriptor(object); addEKeysPropertyDescriptor(object); } return itemPropertyDescriptors;
if (itemPropertyDescriptors == null) { super.getPropertyDescriptors(object); addFeatureNamePropertyDescriptor(object); addDataValuePropertyDescriptor(object); addValuePropertyDescriptor(object); addFeaturePropertyDescriptor(object); addReferenceValuePropertyDescriptor(object); } return itemPropertyDescriptors;

Clone fragments detected by clone detection tool
File path: /emf-2.4.1/src/org/eclipse/emf/ecore/provider/EReferenceItemProvider.java |  | File path: /emf-2.4.1/src/org/eclipse/emf/ecore/change/provider/FeatureMapEntryItemProvider.java
Method name: `List getPropertyDescriptors(Object)` |  | Method name: `List getPropertyDescriptors(Object)`
Number of AST nodes: 9 |  | Number of AST nodes: 8

1

    if (itemPropertyDescriptors == null)↵

1

    if (itemPropertyDescriptors == null)↵

2

        {↵

2

        {↵

3

          super.getPropertyDescriptors(object);↵

3

          super.getPropertyDescriptors(object);↵

4

          addContainmentPropertyDescriptor(object);↵

4

          addFeatureNamePropertyDescriptor(object);↵

5

          addContainerPropertyDescriptor(object);↵

5

          addDataValuePropertyDescriptor(object);↵

6

          addResolveProxiesPropertyDescriptor(object);↵

6

          addValuePropertyDescriptor(object);↵

7

          addEOppositePropertyDescriptor(object);↵

7

          addFeaturePropertyDescriptor(object);↵

8

          addEReferenceTypePropertyDescriptor(object);↵

8

          addReference↵

9

          addEKeysPropertyDescriptor(object);↵

9

    ValuePropertyDescriptor(object);↵

10

        }↵

10

        }↵

11

        return itemPropertyDescriptors;

11

        return itemPropertyDescriptors;

See real code fragment |  | See real code fragment

Summary
Number of common nesting structure subtrees | 1
Number of refactorable cases | 0
Number of non-refactorable cases | 1
Time elapsed for finding largest common nesting structure subtrees (ms) | 0.2
Clones location | Clones are in different classes having the same super class
Number of node comparisons | 57

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 8
   Number of unmapped statements in the first code fragment | 1
   Number of unmapped statements in the second code fragment | 0
   Time elapsed for statement mapping (ms) | 460.1
   Clone type | Type 3

   Mapped Statements
   ID | Statement |  | ID | Statement
   --- | --- | --- | --- | ---

   1

       if (itemPropertyDescriptors == null)

   1

       if (itemPropertyDescriptors == null)

   2

       super.getPropertyDescriptors(object);

   2 | super.getPropertyDescriptors(object);
   2 | super.getPropertyDescriptors(object);

   Preondition Violations
   Super method call super.getPropertyDescriptors(object); cannot be extracted from method
   Super method call super.getPropertyDescriptors(object); cannot be extracted from method

   2

       super.getPropertyDescriptors(object);

   3

       addContainmentPropertyDescriptor(object);

   3 | addContainmentPropertyDescriptor(object);
   3 | addFeatureNamePropertyDescriptor(object);

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   addContainmentPropertyDescriptor | addFeatureNamePropertyDescriptor | METHOD_INVOCATION_NAME_MISMATCH

   Preondition Violations
   Expression addContainmentPropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   Expression addFeatureNamePropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   Expression addContainmentPropertyDescriptor(object) is a void method call, and thus it cannot be parameterized
   Expression addFeatureNamePropertyDescriptor(object) is a void method call, and thus it cannot be parameterized

   3

       addFeatureNamePropertyDescriptor(object);

   4

       addContainerPropertyDescriptor(object);

   4 | addContainerPropertyDescriptor(object);
   4 | addDataValuePropertyDescriptor(object);

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   addContainerPropertyDescriptor | addDataValuePropertyDescriptor | METHOD_INVOCATION_NAME_MISMATCH

   Preondition Violations
   Expression addContainerPropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   Expression addDataValuePropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   Expression addContainerPropertyDescriptor(object) is a void method call, and thus it cannot be parameterized
   Expression addDataValuePropertyDescriptor(object) is a void method call, and thus it cannot be parameterized

   4

       addDataValuePropertyDescriptor(object);

   5

       addResolveProxiesPropertyDescriptor(object);

   5 | addResolveProxiesPropertyDescriptor(object);
   5 | addValuePropertyDescriptor(object);

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   addResolveProxiesPropertyDescriptor | addValuePropertyDescriptor | METHOD_INVOCATION_NAME_MISMATCH

   Preondition Violations
   Expression addResolveProxiesPropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   Expression addValuePropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   Expression addResolveProxiesPropertyDescriptor(object) is a void method call, and thus it cannot be parameterized
   Expression addValuePropertyDescriptor(object) is a void method call, and thus it cannot be parameterized

   5

       addValuePropertyDescriptor(object);

   6

       addEOppositePropertyDescriptor(object);

   6 | addEOppositePropertyDescriptor(object);
   6 | addFeaturePropertyDescriptor(object);

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   addEOppositePropertyDescriptor | addFeaturePropertyDescriptor | METHOD_INVOCATION_NAME_MISMATCH

   Preondition Violations
   Expression addEOppositePropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   Expression addFeaturePropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   Expression addEOppositePropertyDescriptor(object) is a void method call, and thus it cannot be parameterized
   Expression addFeaturePropertyDescriptor(object) is a void method call, and thus it cannot be parameterized

   6

       addFeaturePropertyDescriptor(object);

   7

       addEReferenceTypePropertyDescriptor(object);

   7 | addEReferenceTypePropertyDescriptor(object);
   7 | addReferenceValuePropertyDescriptor(object);

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   addEReferenceTypePropertyDescriptor | addReferenceValuePropertyDescriptor | METHOD_INVOCATION_NAME_MISMATCH

   Preondition Violations
   Expression addEReferenceTypePropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   Expression addReferenceValuePropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   Expression addEReferenceTypePropertyDescriptor(object) is a void method call, and thus it cannot be parameterized
   Expression addReferenceValuePropertyDescriptor(object) is a void method call, and thus it cannot be parameterized

   7

       addReferenceValuePropertyDescriptor(object);

   8

       addEKeysPropertyDescriptor(object);

   8 | addEKeysPropertyDescriptor(object);

   Preondition Violations
   Unmatched statement addEKeysPropertyDescriptor(object); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted

   9

       return itemPropertyDescriptors;

   8

       return itemPropertyDescriptors;

   Precondition Violations (23)
   Row | Violation
   --- | ---
   1 | Super method call super.getPropertyDescriptors(object); cannot be extracted from method
   2 | Super method call super.getPropertyDescriptors(object); cannot be extracted from method
   3 | Expression addContainmentPropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   4 | Expression addFeatureNamePropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   5 | Expression addContainmentPropertyDescriptor(object) is a void method call, and thus it cannot be parameterized
   6 | Expression addFeatureNamePropertyDescriptor(object) is a void method call, and thus it cannot be parameterized
   7 | Expression addContainerPropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   8 | Expression addDataValuePropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   9 | Expression addContainerPropertyDescriptor(object) is a void method call, and thus it cannot be parameterized
   10 | Expression addDataValuePropertyDescriptor(object) is a void method call, and thus it cannot be parameterized
   11 | Expression addResolveProxiesPropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   12 | Expression addValuePropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   13 | Expression addResolveProxiesPropertyDescriptor(object) is a void method call, and thus it cannot be parameterized
   14 | Expression addValuePropertyDescriptor(object) is a void method call, and thus it cannot be parameterized
   15 | Expression addEOppositePropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   16 | Expression addFeaturePropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   17 | Expression addEOppositePropertyDescriptor(object) is a void method call, and thus it cannot be parameterized
   18 | Expression addFeaturePropertyDescriptor(object) is a void method call, and thus it cannot be parameterized
   19 | Expression addEReferenceTypePropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   20 | Expression addReferenceValuePropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   21 | Expression addEReferenceTypePropertyDescriptor(object) is a void method call, and thus it cannot be parameterized
   22 | Expression addReferenceValuePropertyDescriptor(object) is a void method call, and thus it cannot be parameterized
   23 | Unmatched statement addEKeysPropertyDescriptor(object); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted