173-60-192

if (listChanges == null) { listChanges = new EObjectContainmentEList<ListChange>(ListChange.class, this, ChangePackage.RESOURCE_CHANGE__LIST_CHANGES); } return listChanges;
if (buffer == null) { buffer = new StringBuffer(value); } buffer.deleteCharAt(i - offset++);

Clone fragments detected by clone detection tool
File path: /emf-2.4.1/src/org/eclipse/emf/ecore/change/impl/ResourceChangeImpl.java |  | File path: /emf-2.4.1/src/org/eclipse/emf/ecore/xml/type/util/XMLTypeUtil.java
Method name: `EList getListChanges()` |  | Method name: `String normalize(String, boolean)`
Number of AST nodes: 3 |  | Number of AST nodes: 3

1

    if (listChanges == null)↵

1

    if (buffer == null)↵

2

        {↵

2

              {↵

3

          listChanges = new EObjectContainmentEList<ListChange>(ListChange.class, this, ChangePackage.RESOURCE_CHANGE__LIST_CHANGES);↵

3

          ↵

4

        }↵

5

        return listChanges↵

4

          buffer = new StringBuffer(value);↵

5

              }↵

6

    ;

6

              buffer.deleteCharAt(i - offset++);

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
Number of node comparisons | 5

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 1
   Number of unmapped statements in the first code fragment | 2
   Number of unmapped statements in the second code fragment | 2
   Time elapsed for statement mapping (ms) | 0.3
   Clone type | Type 2

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

   1

       if (listChanges == null)

   1 | if (listChanges == null)
   14 | if (buffer == null)

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   listChanges | buffer | VARIABLE_NAME_MISMATCH
   org.eclipse.emf.common.util.EList | java.lang.StringBuffer | VARIABLE_TYPE_MISMATCH

   Preondition Violations

   Type org.eclipse.emf.common.util.EList<org.eclipse.emf.ecore.change.ListChange> of variable listChanges does not match with type java.lang.StringBuffer of variable buffer
   - Make classes org.eclipse.emf.common.util.EList and java.lang.StringBuffer extend a common superclass

   14

       if (buffer == null)

   2

       listChanges = new EObjectContainmentEList<ListChange>(ListChange.class, this, ChangePackage.RESOURCE_CHANGE__LIST_CHANGES);

   15 | buffer = new StringBuffer(value);

   Preondition Violations
   Unmatched statement buffer=new StringBuffer(value); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted

   15

       buffer = new StringBuffer(value);

   3

       return listChanges;

   3 | return listChanges;

   Preondition Violations
   Unmatched return listChanges;

   16

       buffer.deleteCharAt(i - offset++);

   Precondition Violations (3)
   Row | Violation
   --- | ---
   1 | Type org.eclipse.emf.common.util.EList<org.eclipse.emf.ecore.change.ListChange> of variable listChanges does not match with type java.lang.StringBuffer of variable buffer
   2 | Unmatched statement buffer=new StringBuffer(value); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
   3 | Unmatched return listChanges;