if (_propChgNotifier == null) { _propChgNotifier = new PropertyChangeSupport(_srcBean); } return _propChgNotifier;
if (evt == null) { evt = new ResultTabEvent(_session, tab); } ((IResultTabListener)listeners[i + 1]).resultTabRemoved(evt);
Clone fragments detected by clone detection tool
File path: /sql12/fw/src/net/sourceforge/squirrel_sql/fw/util/PropertyChangeReporter.java File path: /sql12/app/src/net/sourceforge/squirrel_sql/client/session/mainpanel/SQLResultExecuterPanel.java
Method name: PropertyChangeSupport getPropertyChangeNotifier() Method name: void fireTabRemovedEvent(IResultTab)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (_propChgNotifier == null)
1
if (evt == null)
2
		{
2
				{
3
			_propChgNotifier = new PropertyChangeSupport(_srcBean);
3
					evt = new ResultTabEvent(_session, tab);
4
		}
4
				}
5
		return _propChgNotifier;
5
				((IResultTabListener)listeners[i + 1]).resultTabRemoved(evt);
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
Number of node comparisons5
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)0.6
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (_propChgNotifier == null)
    1
    if (_propChgNotifier == null)
    5
    if (evt == null)
    Differences
    Expression1Expression2Difference
    _propChgNotifierevtVARIABLE_NAME_MISMATCH
    java.beans.PropertyChangeSupportnet.sourceforge.squirrel_sql.client.session.event.ResultTabEventVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.beans.PropertyChangeSupport of variable _propChgNotifier does not match with type net.sourceforge.squirrel_sql.client.session.event.ResultTabEvent of variable evt
    • Make classes java.beans.PropertyChangeSupport and net.sourceforge.squirrel_sql.client.session.event.ResultTabEvent extend a common superclass
    5
    if (evt == null)
    2
    _propChgNotifier = new PropertyChangeSupport(_srcBean);
    2
    _propChgNotifier = new PropertyChangeSupport(_srcBean);
    Preondition Violations
    Unmatched statement _propChgNotifier=new PropertyChangeSupport(_srcBean); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                                                    
                                                                                    
    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);
    3
    return _propChgNotifier;
    3
    return _propChgNotifier;
    Preondition Violations
    Unmatched return _propChgNotifier;
                                                          
                                                                                                                                    
    7
    ((IResultTabListener)listeners[i + 1]).resultTabRemoved(evt);
    Precondition Violations (6)
    Row Violation
    1Type java.beans.PropertyChangeSupport of variable _propChgNotifier does not match with type net.sourceforge.squirrel_sql.client.session.event.ResultTabEvent of variable evt
    2Unmatched statement _propChgNotifier=new PropertyChangeSupport(_srcBean); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched 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
    4Unmatched 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
    5Unmatched return _propChgNotifier;
    6The refactoring of the clones is infeasible, because the number of macthed statements is equal to zero