if (spellcheckItem == null) { spellcheckItem = new SpellcheckItem(getRoot().getElement("/options/spellcheck")); } return spellcheckItem;
if (viewItem == null) { viewItem = new ViewItem(getRoot().getElement("/options/gui/viewlist/view")); } return viewItem;
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/MainFrameOptionsXmlConfig.java
Method name: SpellcheckItem getSpellcheckItem() Method name: ViewItem getViewItem()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (spellcheckItem == null) {
1
if (viewItem == null) {
2
            spellcheckItem = new SpellcheckItem(getRoot().getElement("/options/spellcheck"));
2
            viewItem = new ViewItem(getRoot().getElement("/options/gui/viewlist/view"));
3
        }
3
        }
4

5
        return spellcheckItem;
4
        return viewItem;
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 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)0.7
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (spellcheckItem == null)
    1
    if (spellcheckItem == null)
    1
    if (viewItem == null)
    Differences
    Expression1Expression2Difference
    spellcheckItemviewItemVARIABLE_NAME_MISMATCH
    org.columba.mail.config.SpellcheckItemorg.columba.core.config.ViewItemSUBCLASS_TYPE_MISMATCH
    1
    if (viewItem == null)
    2
    spellcheckItem = new SpellcheckItem(getRoot().getElement("/options/spellcheck"));
    2
    spellcheckItem = new SpellcheckItem(getRoot().getElement("/options/spellcheck"));
    2
    viewItem = new ViewItem(getRoot().getElement("/options/gui/viewlist/view"));
    Differences
    Expression1Expression2Difference
    spellcheckItemviewItemVARIABLE_NAME_MISMATCH
    org.columba.mail.config.SpellcheckItemorg.columba.core.config.ViewItemSUBCLASS_TYPE_MISMATCH
    org.columba.mail.config.SpellcheckItemorg.columba.core.config.ViewItemSUBCLASS_TYPE_MISMATCH
    "/options/spellcheck""/options/gui/viewlist/view"LITERAL_VALUE_MISMATCH
    Preondition Violations
    Expression spellcheckItem is a field being modified, and thus it cannot be parameterized
    Expression viewItem is a field being modified, and thus it cannot be parameterized
    2
    viewItem = new ViewItem(getRoot().getElement("/options/gui/viewlist/view"));
    3
    return spellcheckItem;
    3
    return spellcheckItem;
    3
    return viewItem;
    Differences
    Expression1Expression2Difference
    spellcheckItemviewItemVARIABLE_NAME_MISMATCH
    org.columba.mail.config.SpellcheckItemorg.columba.core.config.ViewItemSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression spellcheckItem cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression viewItem cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3
    return viewItem;
    Precondition Violations (4)
    Row Violation
    1Expression spellcheckItem is a field being modified, and thus it cannot be parameterized
    2Expression viewItem is a field being modified, and thus it cannot be parameterized
    3Expression spellcheckItem cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression viewItem cannot be parameterized, because it has dependencies to/from statements that will be extracted