Date d1 = (Date) header1.get("columba.date"); Date d2 = (Date) header2.get("columba.date"); if ((d1 == null) || (d2 == null)) { result = 0; } else { result = d1.compareTo(d2); }
Date d1 = (Date) header1.get("columba.date"); Date d2 = (Date) header2.get("columba.date"); if ((d1 == null) || (d2 == null)) { result = 0; } else { result = d1.compareTo(d2); }
Clone fragments detected by clone detection tool
File path: /columba-1.4-src/mail/src/main/java/org/columba/mail/gui/table/model/TableModelSorter.java File path: /columba-1.4-src/mail/src/main/java/org/columba/mail/gui/table/model/TableModelThreadedView.java
Method name: int compare(Object, Object) Method name: int compare(Object, Object)
Number of AST nodes: 5 Number of AST nodes: 5
1
Date d1 = (Date) header1.get("columba.date");
1
Date d1 = (Date) header1.get("columba.date");
2
				Date d2 = (Date) header2.get("columba.date");
2
				Date d2 = (Date) header2.get("columba.date");
3
				if ((d1 == null) || (d2 == null)) {
3
				if ((d1 == null) || (d2 == null)) {
4
					result = 0;
4
					result = 0;
5
				} else {
5
				} else {
6
					result = d1.compareTo(d2);
6
					result = d1.compareTo(d2);
7
				}
7
				}
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 comparisons14
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements5
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)1.0
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    37
    Date d1 = (Date)header1.get("columba.date");
    37
    Date d1 = (Date)header1.get("columba.date");
    9
    Date d1 = (Date)header1.get("columba.date");
    Differences
    Expression1Expression2Difference
    org.columba.mail.message.ColumbaHeaderorg.columba.mail.message.IColumbaHeaderVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.columba.mail.message.ColumbaHeader of variable header1 does not match with type org.columba.mail.message.IColumbaHeader of variable header1
    • Make classes org.columba.mail.message.ColumbaHeader and org.columba.mail.message.IColumbaHeader extend a common superclass
    9
    Date d1 = (Date)header1.get("columba.date");
    38
    Date d2 = (Date)header2.get("columba.date");
    38
    Date d2 = (Date)header2.get("columba.date");
    10
    Date d2 = (Date)header2.get("columba.date");
    Differences
    Expression1Expression2Difference
    org.columba.mail.message.ColumbaHeaderorg.columba.mail.message.IColumbaHeaderVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.columba.mail.message.ColumbaHeader of variable header2 does not match with type org.columba.mail.message.IColumbaHeader of variable header2
    • Make classes org.columba.mail.message.ColumbaHeader and org.columba.mail.message.IColumbaHeader extend a common superclass
    10
    Date d2 = (Date)header2.get("columba.date");
    39
    if ((d1 == null) || (d2 == null))
    11
    if ((d1 == null) || (d2 == null))
    40
    result = 0;
    12
    result = 0;
    else
    else
    41
    result = d1.compareTo(d2);
    13
    result = d1.compareTo(d2);
    Precondition Violations (2)
    Row Violation
    1Type org.columba.mail.message.ColumbaHeader of variable header1 does not match with type org.columba.mail.message.IColumbaHeader of variable header1
    2Type org.columba.mail.message.ColumbaHeader of variable header2 does not match with type org.columba.mail.message.IColumbaHeader of variable header2