173-1-4

if (itemPropertyDescriptors == null) { super.getPropertyDescriptors(object); addChangeablePropertyDescriptor(object); addVolatilePropertyDescriptor(object); addTransientPropertyDescriptor(object); addDefaultValueLiteralPropertyDescriptor(object); addDefaultValuePropertyDescriptor(object); addUnsettablePropertyDescriptor(object); addDerivedPropertyDescriptor(object); addEContainingClassPropertyDescriptor(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/EStructuralFeatureItemProvider.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: 11 |  | Number of AST nodes: 8

1

    if (itemPropertyDescriptors == null)↵

1

    if (itemPropertyDescriptors == null)↵

2

        {↵

2

        {↵

3

          super.getPropertyDescriptors(object);↵

3

          super.getPropertyDescriptors(object);↵

4

          addChangeablePropertyDescriptor(object);↵

4

          add↵

5

          addVolatilePropertyDescriptor(object);↵

6

          addTransientPropertyDescriptor(object);↵

5

    FeatureNamePropertyDescriptor(object);↵

7

          addDefaultValueLiteralPropertyDescriptor(object);↵

6

          addDataValuePropertyDescriptor(object);↵

8

          addDefaultValuePropertyDescriptor(object);↵

7

          addValuePropertyDescriptor(object);↵

9

          addUnsettablePropertyDescriptor(object);↵

8

          addFeaturePropertyDescriptor(object);↵

10

          addDerivedPropertyDescriptor(object);↵

9

          add↵

11

          addEContainingClassPropertyDescriptor(object);↵

10

    ReferenceValuePropertyDescriptor(object);↵

12

        }↵

11

        }↵

13

        return itemPropertyDescriptors;

12

        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) | 0.1
Clones location | Clones are in different classes having the same super class
Number of node comparisons | 71

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 8
   Number of unmapped statements in the first code fragment | 3
   Number of unmapped statements in the second code fragment | 0
   Time elapsed for statement mapping (ms) | 44.4
   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);

   3

       addChangeablePropertyDescriptor(object);

   3 | addChangeablePropertyDescriptor(object);
   3 | addFeatureNamePropertyDescriptor(object);

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

   Preondition Violations
   Expression addChangeablePropertyDescriptor(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 addChangeablePropertyDescriptor(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

       addVolatilePropertyDescriptor(object);

   4 | addVolatilePropertyDescriptor(object);
   4 | addDataValuePropertyDescriptor(object);

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

   Preondition Violations
   Expression addVolatilePropertyDescriptor(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 addVolatilePropertyDescriptor(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

       addTransientPropertyDescriptor(object);

   5 | addTransientPropertyDescriptor(object);
   5 | addValuePropertyDescriptor(object);

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

   Preondition Violations
   Expression addTransientPropertyDescriptor(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 addTransientPropertyDescriptor(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

       addDefaultValueLiteralPropertyDescriptor(object);

   6 | addDefaultValueLiteralPropertyDescriptor(object);
   6 | addFeaturePropertyDescriptor(object);

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

   Preondition Violations
   Expression addDefaultValueLiteralPropertyDescriptor(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 addDefaultValueLiteralPropertyDescriptor(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

       addDefaultValuePropertyDescriptor(object);

   7 | addDefaultValuePropertyDescriptor(object);
   7 | addReferenceValuePropertyDescriptor(object);

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

   Preondition Violations
   Expression addDefaultValuePropertyDescriptor(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 addDefaultValuePropertyDescriptor(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

       addUnsettablePropertyDescriptor(object);

   8 | addUnsettablePropertyDescriptor(object);

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

   9

       addDerivedPropertyDescriptor(object);

   9 | addDerivedPropertyDescriptor(object);

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

   10

       addEContainingClassPropertyDescriptor(object);

   10 | addEContainingClassPropertyDescriptor(object);

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

   11

       return itemPropertyDescriptors;

   8

       return itemPropertyDescriptors;

   Precondition Violations (23)
   Row | Violation
   --- | ---
   1 | Expression addChangeablePropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   2 | Expression addFeatureNamePropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   3 | Expression addChangeablePropertyDescriptor(object) is a void method call, and thus it cannot be parameterized
   4 | Expression addFeatureNamePropertyDescriptor(object) is a void method call, and thus it cannot be parameterized
   5 | Expression addVolatilePropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   6 | Expression addDataValuePropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   7 | Expression addVolatilePropertyDescriptor(object) is a void method call, and thus it cannot be parameterized
   8 | Expression addDataValuePropertyDescriptor(object) is a void method call, and thus it cannot be parameterized
   9 | Expression addTransientPropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   10 | Expression addValuePropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   11 | Expression addTransientPropertyDescriptor(object) is a void method call, and thus it cannot be parameterized
   12 | Expression addValuePropertyDescriptor(object) is a void method call, and thus it cannot be parameterized
   13 | Expression addDefaultValueLiteralPropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   14 | Expression addFeaturePropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   15 | Expression addDefaultValueLiteralPropertyDescriptor(object) is a void method call, and thus it cannot be parameterized
   16 | Expression addFeaturePropertyDescriptor(object) is a void method call, and thus it cannot be parameterized
   17 | Expression addDefaultValuePropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   18 | Expression addReferenceValuePropertyDescriptor(object) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   19 | Expression addDefaultValuePropertyDescriptor(object) is a void method call, and thus it cannot be parameterized
   20 | Expression addReferenceValuePropertyDescriptor(object) is a void method call, and thus it cannot be parameterized
   21 | Unmatched statement addUnsettablePropertyDescriptor(object); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
   22 | Unmatched statement addDerivedPropertyDescriptor(object); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
   23 | Unmatched statement addEContainingClassPropertyDescriptor(object); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted