if (_propChgNotifier == null) { _propChgNotifier = new PropertyChangeSupport(this); } return _propChgNotifier;
if (_comp == null) { _comp = new ObjectTreePanel(getSession()); } return _comp;
Clone fragments detected by clone detection tool
File path: /sql12/plugins/favs/src/net/sourceforge/squirrel_sql/plugins/favs/Folder.java File path: /sql12/app/src/net/sourceforge/squirrel_sql/client/session/mainpanel/ObjectTreeTab.java
Method name: PropertyChangeSupport getPropertyChangeNotifier() Method name: Component getComponent()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (_propChgNotifier == null) 
1
if (_comp == null)
2
{
2
		{
3
			_propChgNotifier = new PropertyChangeSupport(this);
3
			_comp = new ObjectTreePanel(getSession());
4
		}
4
		}
5
		return _propChgNotifier;
5
		return _comp;
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)
    1
    if (_comp == null)
    Differences
    Expression1Expression2Difference
    _propChgNotifier_compVARIABLE_NAME_MISMATCH
    java.beans.PropertyChangeSupportnet.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.ObjectTreePanelVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.beans.PropertyChangeSupport of variable _propChgNotifier does not match with type net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.ObjectTreePanel of variable _comp
    • Make classes java.beans.PropertyChangeSupport and net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.ObjectTreePanel extend a common superclass
    1
    if (_comp == null)
                                                                                          
    2
    _comp = new ObjectTreePanel(getSession());
    Preondition Violations
    Unmatched statement _comp=new ObjectTreePanel(getSession()); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    Unmatched statement _comp=new ObjectTreePanel(getSession()); 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
    2
    _comp = new ObjectTreePanel(getSession());
    2
    _propChgNotifier = new PropertyChangeSupport(this);
    2
    _propChgNotifier = new PropertyChangeSupport(this);
    Preondition Violations
    Unmatched statement _propChgNotifier=new PropertyChangeSupport(this); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                                            
                                    
    3
    return _comp;
    Preondition Violations
    Unmatched return _comp;
    3
    return _comp;
    3
    return _propChgNotifier;
    3
    return _propChgNotifier;
    Preondition Violations
    Unmatched return _propChgNotifier;
                                                          
    Precondition Violations (7)
    Row Violation
    1Type java.beans.PropertyChangeSupport of variable _propChgNotifier does not match with type net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.ObjectTreePanel of variable _comp
    2Unmatched statement _comp=new ObjectTreePanel(getSession()); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched statement _comp=new ObjectTreePanel(getSession()); 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 _propChgNotifier=new PropertyChangeSupport(this); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    5Unmatched return _comp;
    6Unmatched return _propChgNotifier;
    7The refactoring of the clones is infeasible, because the number of macthed statements is equal to zero