if (_propChgNotifier == null) { _propChgNotifier = new PropertyChangeSupport(this); } return _propChgNotifier;
if (_sessionData == null) { throw new IllegalStateException("Connection to web service has not been opened"); }
Clone fragments detected by clone detection tool
File path: /sql12/plugins/favs/src/net/sourceforge/squirrel_sql/plugins/favs/Folder.java File path: /sql12/plugins/sqlval/src/net/sourceforge/squirrel_sql/plugins/sqlval/WebServiceSession.java
Method name: PropertyChangeSupport getPropertyChangeNotifier() Method name: void validateState()
Number of AST nodes: 3 Number of AST nodes: 2
1
if (_propChgNotifier == null) 
1
if (_sessionData == null)
2
{
2
		{
3
			_propChgNotifier = new PropertyChangeSupport(this);
3
			
4
		}
5
		return _propChgNotifier;
4
throw new IllegalStateException("Connection to web service has not been opened");
5
		}
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 comparisons4
  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 fragment1
    Time elapsed for statement mapping (ms)0.3
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    if (_propChgNotifier == null)
    1
    if (_propChgNotifier == null)
    1
    if (_sessionData == null)
    Differences
    Expression1Expression2Difference
    _propChgNotifier_sessionDataVARIABLE_NAME_MISMATCH
    java.beans.PropertyChangeSupportcom.mimer.ws.validateSQL.SessionDataVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.beans.PropertyChangeSupport of variable _propChgNotifier does not match with type com.mimer.ws.validateSQL.SessionData of variable _sessionData
    • Make classes java.beans.PropertyChangeSupport and com.mimer.ws.validateSQL.SessionData extend a common superclass
    1
    if (_sessionData == null)
                                                                                                                                                                            
    2
    throw new IllegalStateException("Connection to web service has not been opened");
    Preondition Violations
    Unmatched statement throw new IllegalStateException("Connection to web service has not been opened"); 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
    Unmatched throw new IllegalStateException("Connection to web service has not been opened");
    2
    throw new IllegalStateException("Connection to web service has not been opened");
    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 _propChgNotifier;
    3
    return _propChgNotifier;
    Preondition Violations
    Unmatched return _propChgNotifier;
                                                          
    Precondition Violations (6)
    Row Violation
    1Type java.beans.PropertyChangeSupport of variable _propChgNotifier does not match with type com.mimer.ws.validateSQL.SessionData of variable _sessionData
    2Unmatched statement throw new IllegalStateException("Connection to web service has not been opened"); 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
    3Unmatched throw new IllegalStateException("Connection to web service has not been opened");
    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 _propChgNotifier;
    6The refactoring of the clones is infeasible, because the number of macthed statements is equal to zero