if (dataStorage == null) { dataStorage = new XmlDataStorage(this); } return dataStorage;
if (observable == null) { observable = ((IMAPRootFolder) getRootFolder()).getObservable(); } return observable;
Clone fragments detected by clone detection tool
File path: /columba-1.4-src/contact/src/main/java/org/columba/addressbook/folder/AddressbookFolder.java File path: /columba-1.4-src/mail/src/main/java/org/columba/mail/folder/imap/IMAPFolder.java
Method name: DataStorage getDataStorageInstance() Method name: IStatusObservable getObservable()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (dataStorage == null) {
1
if (observable == null) {
2
            dataStorage = new XmlDataStorage(this);
3
        }
4
        return dataStorag
2
			observable = ((IMAPRootFolder) getRootFolder()).getObservable();
3
		}
5
e;
4
		return observable;
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)0.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (dataStorage == null)
    1
    if (dataStorage == null)
    1
    if (observable == null)
    Differences
    Expression1Expression2Difference
    dataStorageobservableVARIABLE_NAME_MISMATCH
    org.columba.addressbook.folder.DataStorageorg.columba.api.command.IStatusObservableVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.columba.addressbook.folder.DataStorage of variable dataStorage does not match with type org.columba.api.command.IStatusObservable of variable observable
    • Make classes org.columba.addressbook.folder.DataStorage and org.columba.api.command.IStatusObservable extend a common superclass
    1
    if (observable == null)
                                                                                                                                    
    2
    observable = ((IMAPRootFolder)getRootFolder()).getObservable();
    2
    dataStorage = new XmlDataStorage(this);
                                                                                    
                                              
    3
    return observable;
    Preondition Violations
    Unmatched return observable;
    3
    return observable;
    3
    return dataStorage;
    3
    return dataStorage;
    Preondition Violations
    Unmatched return dataStorage;
                                                
    Precondition Violations (3)
    Row Violation
    1Type org.columba.addressbook.folder.DataStorage of variable dataStorage does not match with type org.columba.api.command.IStatusObservable of variable observable
    2Unmatched return observable;
    3Unmatched return dataStorage;