DateRangeChangedEvent e = new DateRangeChangedEvent(this, dateRange); // Guaranteed to return a non-null array Object[] listeners = listenerList.getListenerList(); // Process the listeners last to first, notifying // those that are interested in this event for (int i = listeners.length - 2; i >= 0; i -= 2) { if (listeners[i] == IDateRangeChangedListener.class) { ((IDateRangeChangedListener) listeners[i + 1]) .selectionChanged(e); } }
CalendarSelectionChangedEvent e = new CalendarSelectionChangedEvent( this, selection); // Guaranteed to return a non-null array Object[] listeners = listenerList.getListenerList(); // Process the listeners last to first, notifying // those that are interested in this event for (int i = listeners.length - 2; i >= 0; i -= 2) { if (listeners[i] == ICalendarSelectionChangedListener.class) { ((ICalendarSelectionChangedListener) listeners[i + 1]) .selectionChanged(e); } }
Clone fragments detected by clone detection tool
File path: /columba-1.4-src/calendar/src/main/java/org/columba/calendar/ui/navigation/NavigationController.java File path: /columba-1.4-src/calendar/src/main/java/org/columba/calendar/ui/list/CalendarListController.java
Method name: void fireSelectionChanged(IDateRange) Method name: void fireSelectionChanged(ICalendarItem)
Number of AST nodes: 5 Number of AST nodes: 5
1
DateRangeChangedEvent e = new DateRangeChangedEvent(
1
CalendarSelectionChangedEvent e = new CalendarSelectionChangedEvent(
2
this, dateRange);
2
				this, selection);
3
		// Guaranteed to return a non-null array
3
		// Guaranteed to return a non-null array
4
		Object[] listeners = listenerList.getListenerList();
4
		Object[] listeners = listenerList.getListenerList();
5
		// Process the listeners last to first, notifying
5
		// Process the listeners last to first, notifying
6
		// those that are interested in this event
6
		// those that are interested in this event
7
		for (int i = listeners.length - 2; i >= 0; i -= 2) {
7
		for (int i = listeners.length - 2; i >= 0; i -= 2) {
8
			if (listeners[i] == IDateRangeChangedListener.class) {
8
			if (listeners[i] == ICalendarSelectionChangedListener.class) {
9
				((IDateRangeChangedListener) listeners[i + 1])
9
				((ICalendarSelectionChangedListener) listeners[i + 1])
10
						.selectionChanged(e);
10
						.selectionChanged(e);
11
			}
11
			}
12
		}
12
		}
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)0.5
Clones locationClones are in different classes
Number of node comparisons7
  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)4.6
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    DateRangeChangedEvent e = new DateRangeChangedEvent(this, dateRange);
    1
    DateRangeChangedEvent e = new DateRangeChangedEvent(this, dateRange);
    1
    CalendarSelectionChangedEvent e = new CalendarSelectionChangedEvent(this, selection);
    Differences
    Expression1Expression2Difference
    org.columba.calendar.ui.navigation.api.DateRangeChangedEventorg.columba.calendar.ui.list.api.CalendarSelectionChangedEventSUBCLASS_TYPE_MISMATCH
    org.columba.calendar.ui.navigation.api.DateRangeChangedEventorg.columba.calendar.ui.list.api.CalendarSelectionChangedEventSUBCLASS_TYPE_MISMATCH
    org.columba.calendar.ui.navigation.api.DateRangeChangedEventorg.columba.calendar.ui.list.api.CalendarSelectionChangedEventSUBCLASS_TYPE_MISMATCH
    dateRangeselectionVARIABLE_NAME_MISMATCH
    org.columba.calendar.model.api.IDateRangeorg.columba.calendar.base.api.ICalendarItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Expression new DateRangeChangedEvent(this,dateRange) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression new CalendarSelectionChangedEvent(this,selection) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type org.columba.calendar.model.api.IDateRange of variable dateRange does not match with type org.columba.calendar.base.api.ICalendarItem of variable selection
    • Make classes org.columba.calendar.model.api.IDateRange and org.columba.calendar.base.api.ICalendarItem extend a common superclass
    1
    CalendarSelectionChangedEvent e = new CalendarSelectionChangedEvent(this, selection);
    2
    Object[] listeners = listenerList.getListenerList();
    2
    Object[] listeners = listenerList.getListenerList();
    3
    for (int i = listeners.length - 2; i >= 0; i -= 2)
    3
    for (int i = listeners.length - 2; i >= 0; i -= 2)
    4
    if (listeners[i] == IDateRangeChangedListener.class)
    4
    if (listeners[i] == IDateRangeChangedListener.class)
    4
    if (listeners[i] == ICalendarSelectionChangedListener.class)
    Differences
    Expression1Expression2Difference
    IDateRangeChangedListener.classICalendarSelectionChangedListener.classLITERAL_VALUE_MISMATCH
    4
    if (listeners[i] == ICalendarSelectionChangedListener.class)
    5
    ((IDateRangeChangedListener)listeners[i + 1]).selectionChanged(e);
    5
    ((IDateRangeChangedListener)listeners[i + 1]).selectionChanged(e);
    5
    ((ICalendarSelectionChangedListener)listeners[i + 1]).selectionChanged(e);
    Differences
    Expression1Expression2Difference
    org.columba.calendar.ui.navigation.api.DateRangeChangedEventorg.columba.calendar.ui.list.api.CalendarSelectionChangedEventSUBCLASS_TYPE_MISMATCH
    org.columba.calendar.ui.navigation.api.IDateRangeChangedListenerorg.columba.calendar.ui.list.api.ICalendarSelectionChangedListenerVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Expression e cannot be unified with expression e , because common superclass type java.util.EventObject cannot be passed as an argument to public abstract void selectionChanged(org.columba.calendar.ui.navigation.api.DateRangeChangedEvent)
    Expression (IDateRangeChangedListener)listeners[i + 1] cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression (ICalendarSelectionChangedListener)listeners[i + 1] cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type org.columba.calendar.ui.navigation.api.IDateRangeChangedListener does not match with type org.columba.calendar.ui.list.api.ICalendarSelectionChangedListener
    • Make classes org.columba.calendar.ui.navigation.api.IDateRangeChangedListener and org.columba.calendar.ui.list.api.ICalendarSelectionChangedListener extend a common superclass
    5
    ((ICalendarSelectionChangedListener)listeners[i + 1]).selectionChanged(e);
    Precondition Violations (8)
    Row Violation
    1Expression new DateRangeChangedEvent(this,dateRange) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression new CalendarSelectionChangedEvent(this,selection) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Type org.columba.calendar.model.api.IDateRange of variable dateRange does not match with type org.columba.calendar.base.api.ICalendarItem of variable selection
    4Expression e cannot be unified with expression e , because common superclass type java.util.EventObject cannot be passed as an argument to public abstract void selectionChanged(org.columba.calendar.ui.navigation.api.DateRangeChangedEvent)
    5Expression (IDateRangeChangedListener)listeners[i + 1] cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression (ICalendarSelectionChangedListener)listeners[i + 1] cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Type org.columba.calendar.ui.navigation.api.IDateRangeChangedListener does not match with type org.columba.calendar.ui.list.api.ICalendarSelectionChangedListener
    8The refactoring of the clones is infeasible, because classes org.columba.calendar.ui.navigation.NavigationController and org.columba.calendar.ui.list.CalendarListController do not have a common superclass