if (affectedObjects == null) { affectedObjects = Collections.singletonList(WrapperItemProvider.this); } return affectedObjects;
if (children == null) { children = new EObjectContainmentWithInverseEList<TreeNode>(TreeNode.class, this, TreePackage.TREE_NODE__CHILDREN, TreePackage.TREE_NODE__PARENT); } return children;
Clone fragments detected by clone detection tool
File path: /emf-2.4.1/src/org/eclipse/emf/edit/provider/WrapperItemProvider.java File path: /emf-2.4.1/src/org/eclipse/emf/edit/tree/impl/TreeNodeImpl.java
Method name: Collection doGetAffectedObjects() Method name: EList getChildren()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (affectedObjects == null)
1
if (children == null)
2
      {
2
    {
3
        affectedObjects = Collections.singletonList(WrapperItemProvider.this);
3
      children = new EObjectContainmentWithInverseEList<TreeNode>(TreeNode.class, this, TreePackage.TREE_NODE__CHILDREN, TreePackage.TREE_NODE__PARENT);
4
      }
4
    }
5
      return affectedObjects;
5
    return children;
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)0.1
Clones locationClones are in different classes
Number of node comparisons5
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)0.3
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (affectedObjects == null)
    1
    if (affectedObjects == null)
    1
    if (children == null)
    Differences
    Expression1Expression2Difference
    affectedObjectschildrenVARIABLE_NAME_MISMATCH
    java.util.Collection<>org.eclipse.emf.common.util.EListVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.util.Collection<> of variable affectedObjects does not match with type org.eclipse.emf.common.util.EList<org.eclipse.emf.edit.tree.TreeNode> of variable children
    • Make classes java.util.Collection<> and org.eclipse.emf.common.util.EList extend a common superclass
    1
    if (children == null)
                                                                                                                                                                                                                                                                                                    
    2
    children = new EObjectContainmentWithInverseEList<TreeNode>(TreeNode.class, this, TreePackage.TREE_NODE__CHILDREN, TreePackage.TREE_NODE__PARENT);
    2
    affectedObjects = Collections.singletonList(WrapperItemProvider.this);
                                                                                                                                                  
                                          
    3
    return children;
    Preondition Violations
    Unmatched return children;
    3
    return children;
    3
    return affectedObjects;
    3
    return affectedObjects;
    Preondition Violations
    Unmatched return affectedObjects;
                                                        
    Precondition Violations (3)
    Row Violation
    1Type java.util.Collection<> of variable affectedObjects does not match with type org.eclipse.emf.common.util.EList<org.eclipse.emf.edit.tree.TreeNode> of variable children
    2Unmatched return children;
    3Unmatched return affectedObjects;