if (spellcheckItem == null) { spellcheckItem = new SpellcheckItem(getRoot().getElement("/options/spellcheck")); } return spellcheckItem;
if (defaultAccount == null) { defaultAccount = MailConfig.getInstance().getAccountList() .getDefaultAccount(); } return defaultAccount;
Clone fragments detected by clone detection tool
File path: /columba-1.4-src/mail/src/main/java/org/columba/mail/config/ComposerOptionsXmlConfig.java File path: /columba-1.4-src/mail/src/main/java/org/columba/mail/config/AccountItem.java
Method name: SpellcheckItem getSpellcheckItem() Method name: AccountItem getDefaultAccount()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (spellcheckItem == null) {
1
if (defaultAccount == null) {
2
            spellcheckItem = new SpellcheckItem(getRoot().getElement("/options/spellcheck")
2
            defaultAccount = MailConfig.getInstance().getAccountList()
3
);
3
                                                 .getDefaultAccount();
4
        }
4
        }
5

6
        return spellcheckItem;
5
        return defaultAccount;
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)0.2
Clones locationClones are in different classes
Number of node comparisons5
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements3
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)14.1
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (spellcheckItem == null)
    1
    if (spellcheckItem == null)
    1
    if (defaultAccount == null)
    Differences
    Expression1Expression2Difference
    spellcheckItemdefaultAccountVARIABLE_NAME_MISMATCH
    org.columba.mail.config.SpellcheckItemorg.columba.mail.config.AccountItemSUBCLASS_TYPE_MISMATCH
    1
    if (defaultAccount == null)
    2
    spellcheckItem = new SpellcheckItem(getRoot().getElement("/options/spellcheck"));
    2
    spellcheckItem = new SpellcheckItem(getRoot().getElement("/options/spellcheck"));
    2
    defaultAccount = MailConfig.getInstance().getAccountList().getDefaultAccount();
    Differences
    Expression1Expression2Difference
    spellcheckItemdefaultAccountVARIABLE_NAME_MISMATCH
    org.columba.mail.config.SpellcheckItemorg.columba.mail.config.AccountItemSUBCLASS_TYPE_MISMATCH
    org.columba.mail.config.SpellcheckItemorg.columba.mail.config.AccountItemSUBCLASS_TYPE_MISMATCH
    new SpellcheckItem(getRoot().getElement("/options/spellcheck"))MailConfig.getInstance().getAccountList().getDefaultAccount()TYPE_COMPATIBLE_REPLACEMENT
    2
    defaultAccount = MailConfig.getInstance().getAccountList().getDefaultAccount();
    3
    return spellcheckItem;
    3
    return spellcheckItem;
    3
    return defaultAccount;
    Differences
    Expression1Expression2Difference
    spellcheckItemdefaultAccountVARIABLE_NAME_MISMATCH
    org.columba.mail.config.SpellcheckItemorg.columba.mail.config.AccountItemSUBCLASS_TYPE_MISMATCH
    3
    return defaultAccount;
    Precondition Violations (1)
    Row Violation
    1The refactoring of the clones is infeasible, because classes org.columba.mail.config.ComposerOptionsXmlConfig and org.columba.mail.config.AccountItem do not have a common superclass