if (unmodifiableWrappedChildren == null) { unmodifiableWrappedChildren = Collections.unmodifiableList(basicGetChildren()); } return unmodifiableWrappedChildren;
if (extensions == null) { extensions = new ArrayList<String>(); } return extensions;
Clone fragments detected by clone detection tool
File path: /emf-2.4.1/src/org/eclipse/emf/common/util/BasicDiagnostic.java File path: /emf-2.4.1/src/org/eclipse/emf/importer/ui/contribution/ModelImporterManager.java
Method name: List getChildren() Method name: List getExtensions()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (unmodifiableWrappedChildren == null)
1
if (
2
      {
3
        unmodifiableWrappedChildren = Collections.unmodifiableList(basicGetChildren());
4
      }
5
      return unmodifiableWrappedChildren
2
extensions == null)
3
      {
4
        extensions = new ArrayList<String>();
5
      }
6
;
6
      return extensions;
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 (unmodifiableWrappedChildren == null)
    1
    if (unmodifiableWrappedChildren == null)
    1
    if (extensions == null)
    Differences
    Expression1Expression2Difference
    unmodifiableWrappedChildrenextensionsVARIABLE_NAME_MISMATCH
    java.util.Listjava.util.ListVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.util.List<org.eclipse.emf.common.util.Diagnostic> of variable unmodifiableWrappedChildren does not match with type java.util.List<java.lang.String> of variable extensions
    • Make classes java.util.List and java.util.List extend a common superclass
    1
    if (extensions == null)
                                                                                
    2
    extensions = new ArrayList<String>();
    2
    unmodifiableWrappedChildren = Collections.unmodifiableList(basicGetChildren());
                                                                                                                                                                    
                                              
    3
    return extensions;
    Preondition Violations
    Unmatched return extensions;
    3
    return extensions;
    3
    return unmodifiableWrappedChildren;
    3
    return unmodifiableWrappedChildren;
    Preondition Violations
    Unmatched return unmodifiableWrappedChildren;
                                                                                
    Precondition Violations (3)
    Row Violation
    1Type java.util.List<org.eclipse.emf.common.util.Diagnostic> of variable unmodifiableWrappedChildren does not match with type java.util.List<java.lang.String> of variable extensions
    2Unmatched return extensions;
    3Unmatched return unmodifiableWrappedChildren;