if (objectChanges == null) { objectChanges = new EcoreEMap<EObject,EList<FeatureChange>>(ChangePackage.Literals.EOBJECT_TO_CHANGES_MAP_ENTRY, EObjectToChangesMapEntryImpl.class, this, ChangePackage.CHANGE_DESCRIPTION__OBJECT_CHANGES); } return objectChanges;
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/ecore/change/impl/ChangeDescriptionImpl.java File path: /emf-2.4.1/src/org/eclipse/emf/edit/tree/impl/TreeNodeImpl.java
Method name: EMap> getObjectChanges() Method name: EList getChildren()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (objectChanges == null)
1
if (children == null)
2
    {
2
    {
3
      objectChanges = new EcoreEMap<EObject,EList<FeatureChange>>(ChangePackage.Literals.EOBJECT_TO_CHANGES_MAP_ENTRY, EObjectToChangesMapEntryImpl.class, this, ChangePackage.CHANGE_DESCRIPTION__OBJECT_CHANGES);
3
      children = new EObjectContainmentWithInverseEList<TreeNode>(TreeNode.class, this, TreePackage.TREE_NODE__CHILDREN, TreePackage.TREE_NODE__PARENT);
4
    }
4
    }
5
    return objectChanges;
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 having the same super class
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 (objectChanges == null)
    1
    if (objectChanges == null)
    1
    if (children == null)
    Differences
    Expression1Expression2Difference
    objectChangeschildrenVARIABLE_NAME_MISMATCH
    org.eclipse.emf.common.util.EMap>org.eclipse.emf.common.util.EListVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.eclipse.emf.common.util.EMap<org.eclipse.emf.ecore.EObject,org.eclipse.emf.common.util.EList<org.eclipse.emf.ecore.change.FeatureChange>> of variable objectChanges does not match with type org.eclipse.emf.common.util.EList<org.eclipse.emf.edit.tree.TreeNode> of variable children
    • Make classes org.eclipse.emf.common.util.EMap> 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
    objectChanges = new EcoreEMap<EObject, EList<FeatureChange>>(ChangePackage.Literals.EOBJECT_TO_CHANGES_MAP_ENTRY, EObjectToChangesMapEntryImpl.class, this, ChangePackage.CHANGE_DESCRIPTION__OBJECT_CHANGES);
                                                                                                                                                                                                                                                                                                                                                                                                                          
                                          
    3
    return children;
    Preondition Violations
    Unmatched return children;
    3
    return children;
    3
    return objectChanges;
    3
    return objectChanges;
    Preondition Violations
    Unmatched return objectChanges;
                                                    
    Precondition Violations (3)
    Row Violation
    1Type org.eclipse.emf.common.util.EMap<org.eclipse.emf.ecore.EObject,org.eclipse.emf.common.util.EList<org.eclipse.emf.ecore.change.FeatureChange>> of variable objectChanges 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 objectChanges;