if (_propChgReporter == null) { _propChgReporter = new PropertyChangeReporter(this); } return _propChgReporter;
if (_comp == null) { _comp = new ObjectTreePanel(getSession()); } return _comp;
Clone fragments detected by clone detection tool
File path: /sql12/app/src/net/sourceforge/squirrel_sql/client/session/properties/SessionProperties.java File path: /sql12/app/src/net/sourceforge/squirrel_sql/client/session/mainpanel/ObjectTreeTab.java
Method name: PropertyChangeReporter getPropertyChangeReporter() Method name: Component getComponent()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (_propChgReporter == null)
1
if (_
2
      {
3
         _propChgReporter = new PropertyChangeReporter(this);
4
      }
5
      return _propChgReporter
2
comp == null)
3
		{
4
			_comp = new ObjectTreePanel(getSession());
5
		}
6
;
6
		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)0.2
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 (_propChgReporter == null)
    1
    if (_propChgReporter == null)
    1
    if (_comp == null)
    Differences
    Expression1Expression2Difference
    _propChgReporter_compVARIABLE_NAME_MISMATCH
    net.sourceforge.squirrel_sql.fw.util.PropertyChangeReporternet.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.ObjectTreePanelVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type net.sourceforge.squirrel_sql.fw.util.PropertyChangeReporter of variable _propChgReporter does not match with type net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.ObjectTreePanel of variable _comp
    • Make classes net.sourceforge.squirrel_sql.fw.util.PropertyChangeReporter 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
    _propChgReporter = new PropertyChangeReporter(this);
    2
    _propChgReporter = new PropertyChangeReporter(this);
    Preondition Violations
    Unmatched statement _propChgReporter=new PropertyChangeReporter(this); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    Unmatched statement _propChgReporter=new PropertyChangeReporter(this); 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
                                                                                                              
                                    
    3
    return _comp;
    Preondition Violations
    Unmatched return _comp;
    3
    return _comp;
    3
    return _propChgReporter;
    3
    return _propChgReporter;
    Preondition Violations
    Unmatched return _propChgReporter;
                                                          
    Precondition Violations (8)
    Row Violation
    1Type net.sourceforge.squirrel_sql.fw.util.PropertyChangeReporter of variable _propChgReporter 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 _propChgReporter=new PropertyChangeReporter(this); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    5Unmatched statement _propChgReporter=new PropertyChangeReporter(this); 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
    6Unmatched return _comp;
    7Unmatched return _propChgReporter;
    8The refactoring of the clones is infeasible, because the number of macthed statements is equal to zero