Object[] listeners = listenerList.getListenerList(); SessionEvent evt = null; for (int i = listeners.length - 2; i >= 0; i -= 2) { if (listeners[i] == ISessionListener.class) { // Lazily create the event: if (evt == null) { evt = new SessionEvent(session); } ((ISessionListener)listeners[i + 1]).sessionClosing(evt); } }
Object[] listeners = _listeners.getListenerList(); // Process the listeners last to first, notifying // those that are interested in this event. ResultTabEvent evt = null; for (int i = listeners.length - 2; i >= 0; i -= 2) { if (listeners[i] == IResultTabListener.class) { // Lazily create the event: if (evt == null) { evt = new ResultTabEvent(_session, tab); } ((IResultTabListener) listeners[i + 1]).tornOffResultTabReturned(evt); } }
Clone fragments detected by clone detection tool
File path: /sql12/app/src/net/sourceforge/squirrel_sql/client/session/SessionManager.java File path: /sql12/app/src/net/sourceforge/squirrel_sql/client/session/mainpanel/SQLPanel.java
Method name: void fireSessionClosing(ISession) Method name: void fireTornOffResultTabReturned(IResultTab)
Number of AST nodes: 7 Number of AST nodes: 7
1
Object[] listeners = listenerList.getListenerList();
1
Object[] listeners = _listeners.getListenerList();
2
      Session
2
		// Process the listeners last to first, notifying
3
		// those that are interested in this event.
3
Event evt = null;
4
		ResultTabEvent evt = null;
4
      for (int i = listeners.length - 2; i >= 0; i -= 2)
5
		for (int i = listeners.length - 2; i >= 0; i -= 2)
5
      {
6
         
6
		{
7
if (listeners[i] == ISessionListener.class)
7
			if (listeners[i] == IResultTabListener.class)
8
         {
9
            
8
			{
10
// Lazily create the event:
9
				// Lazily create the event:
11
            if (evt == null)
10
				if (evt == null)
12
            {
13
               
11
				{
14
evt = new SessionEvent(session);
12
					evt = new ResultTabEvent(_session
15
            }
16
            
13
, tab);
14
				}
17
((ISessionListener)listeners[i + 1]).sessionClosing(evt);
15
				((IResultTabListener) listeners[i + 1]).
18
         }
19
      
16
tornOffResultTabReturned(evt);
17
			}
20
}
18
		}
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 comparisons13
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements5
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)2.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    Object[] listeners = listenerList.getListenerList();
    1
    Object[] listeners = listenerList.getListenerList();
    1
    Object[] listeners = _listeners.getListenerList();
    Differences
    Expression1Expression2Difference
    listenerList_listenersVARIABLE_NAME_MISMATCH
    1
    Object[] listeners = _listeners.getListenerList();
                                                          
    2
    ResultTabEvent evt = null;
    2
    SessionEvent evt = null;
                                                      
    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] == ISessionListener.class)
    4
    if (listeners[i] == ISessionListener.class)
    4
    if (listeners[i] == IResultTabListener.class)
    Differences
    Expression1Expression2Difference
    ISessionListener.classIResultTabListener.classLITERAL_VALUE_MISMATCH
    4
    if (listeners[i] == IResultTabListener.class)
    5
    if (evt == null)
    5
    if (evt == null)
    5
    if (evt == null)
    Differences
    Expression1Expression2Difference
    net.sourceforge.squirrel_sql.client.session.event.SessionEventnet.sourceforge.squirrel_sql.client.session.event.ResultTabEventVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type net.sourceforge.squirrel_sql.client.session.event.SessionEvent of variable evt does not match with type net.sourceforge.squirrel_sql.client.session.event.ResultTabEvent of variable evt
    • Make classes net.sourceforge.squirrel_sql.client.session.event.SessionEvent and net.sourceforge.squirrel_sql.client.session.event.ResultTabEvent extend a common superclass
    5
    if (evt == null)
                                                                                    
    6
    evt = new ResultTabEvent(_session, tab);
    Preondition Violations
    Unmatched statement evt=new ResultTabEvent(_session,tab); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement evt=new ResultTabEvent(_session,tab); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    6
    evt = new ResultTabEvent(_session, tab);
    6
    evt = new SessionEvent(session);
    6
    evt = new SessionEvent(session);
    Preondition Violations
    Unmatched statement evt=new SessionEvent(session); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement evt=new SessionEvent(session); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
                                                                      
    7
    ((ISessionListener)listeners[i + 1]).sessionClosing(evt);
    7
    ((ISessionListener)listeners[i + 1]).sessionClosing(evt);
    7
    ((IResultTabListener)listeners[i + 1]).tornOffResultTabReturned(evt);
    Differences
    Expression1Expression2Difference
    net.sourceforge.squirrel_sql.client.session.event.SessionEventnet.sourceforge.squirrel_sql.client.session.event.ResultTabEventVARIABLE_TYPE_MISMATCH
    sessionClosingtornOffResultTabReturnedMETHOD_INVOCATION_NAME_MISMATCH
    net.sourceforge.squirrel_sql.client.session.event.ISessionListenernet.sourceforge.squirrel_sql.client.session.event.IResultTabListenerVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type net.sourceforge.squirrel_sql.client.session.event.SessionEvent of variable evt does not match with type net.sourceforge.squirrel_sql.client.session.event.ResultTabEvent of variable evt
    • Make classes net.sourceforge.squirrel_sql.client.session.event.SessionEvent and net.sourceforge.squirrel_sql.client.session.event.ResultTabEvent extend a common superclass
    Expression ((ISessionListener)listeners[i + 1]).sessionClosing(evt) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression ((IResultTabListener)listeners[i + 1]).tornOffResultTabReturned(evt) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression ((ISessionListener)listeners[i + 1]).sessionClosing(evt) is a void method call, and thus it cannot be parameterized
    Expression ((IResultTabListener)listeners[i + 1]).tornOffResultTabReturned(evt) is a void method call, and thus it cannot be parameterized
    Expression (ISessionListener)listeners[i + 1] cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression (IResultTabListener)listeners[i + 1] cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type net.sourceforge.squirrel_sql.client.session.event.ISessionListener does not match with type net.sourceforge.squirrel_sql.client.session.event.IResultTabListener
    • Make classes net.sourceforge.squirrel_sql.client.session.event.ISessionListener and net.sourceforge.squirrel_sql.client.session.event.IResultTabListener extend a common superclass
    7
    ((IResultTabListener)listeners[i + 1]).tornOffResultTabReturned(evt);
    Precondition Violations (13)
    Row Violation
    1Type net.sourceforge.squirrel_sql.client.session.event.SessionEvent of variable evt does not match with type net.sourceforge.squirrel_sql.client.session.event.ResultTabEvent of variable evt
    2Unmatched statement evt=new ResultTabEvent(_session,tab); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3Unmatched statement evt=new ResultTabEvent(_session,tab); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    4Unmatched statement evt=new SessionEvent(session); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    5Unmatched statement evt=new SessionEvent(session); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    6Type net.sourceforge.squirrel_sql.client.session.event.SessionEvent of variable evt does not match with type net.sourceforge.squirrel_sql.client.session.event.ResultTabEvent of variable evt
    7Expression ((ISessionListener)listeners[i + 1]).sessionClosing(evt) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Expression ((IResultTabListener)listeners[i + 1]).tornOffResultTabReturned(evt) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9Expression ((ISessionListener)listeners[i + 1]).sessionClosing(evt) is a void method call, and thus it cannot be parameterized
    10Expression ((IResultTabListener)listeners[i + 1]).tornOffResultTabReturned(evt) is a void method call, and thus it cannot be parameterized
    11Expression (ISessionListener)listeners[i + 1] cannot be parameterized, because it has dependencies to/from statements that will be extracted
    12Expression (IResultTabListener)listeners[i + 1] cannot be parameterized, because it has dependencies to/from statements that will be extracted
    13Type net.sourceforge.squirrel_sql.client.session.event.ISessionListener does not match with type net.sourceforge.squirrel_sql.client.session.event.IResultTabListener