if (dataStorage == null) { dataStorage = new MboxDataStorage(this); } return dataStorage;
if (guiItem == null) { guiItem = new GuiItem(getRoot().getElement("/options/gui")); } return guiItem;
Clone fragments detected by clone detection tool
File path: /columba-1.4-src/mail/src/main/java/org/columba/mail/folder/mbox/CachedMboxFolder.java File path: /columba-1.4-src/mail/src/main/java/org/columba/mail/config/MainFrameOptionsXmlConfig.java
Method name: IDataStorage getDataStorageInstance() Method name: GuiItem getGuiItem()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (dataStorage == null) {
1
if (guiItem == null) {
2
            dataStorage = new MboxDataStorage(this);
2
            guiItem = new GuiItem(getRoot().getElement("/options/gui"));
3
        }
3
        }
4
        return dataStorage;
4
        return guiItem;
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)0.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (dataStorage == null)
    1
    if (dataStorage == null)
    1
    if (guiItem == null)
    Differences
    Expression1Expression2Difference
    dataStorageguiItemVARIABLE_NAME_MISMATCH
    org.columba.mail.folder.IDataStorageorg.columba.core.config.GuiItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.columba.mail.folder.IDataStorage of variable dataStorage does not match with type org.columba.core.config.GuiItem of variable guiItem
    • Make classes org.columba.mail.folder.IDataStorage and org.columba.core.config.GuiItem extend a common superclass
    1
    if (guiItem == null)
                                                                                                                              
    2
    guiItem = new GuiItem(getRoot().getElement("/options/gui"));
    2
    dataStorage = new MboxDataStorage(this);
                                                                                      
                                        
    3
    return guiItem;
    Preondition Violations
    Unmatched return guiItem;
    3
    return guiItem;
    3
    return dataStorage;
    3
    return dataStorage;
    Preondition Violations
    Unmatched return dataStorage;
                                                
    Precondition Violations (3)
    Row Violation
    1Type org.columba.mail.folder.IDataStorage of variable dataStorage does not match with type org.columba.core.config.GuiItem of variable guiItem
    2Unmatched return guiItem;
    3Unmatched return dataStorage;