if (_propChgReporter == null) { _propChgReporter = new PropertyChangeReporter(this); } return _propChgReporter;
if (source == null) { throw new IllegalArgumentException("HtmlViewerPanel == null"); } return source;
Clone fragments detected by clone detection tool
File path: /sql12/plugins/syntax/src/net/sourceforge/squirrel_sql/plugins/syntax/SyntaxPreferences.java File path: /sql12/app/src/net/sourceforge/squirrel_sql/client/gui/HtmlViewerPanelListenerEvent.java
Method name: PropertyChangeReporter getPropertyChangeReporter() Method name: HtmlViewerPanel checkParams(HtmlViewerPanel)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (_propChgReporter == null)
1
if (source == null)
2
		{
2
		{
3
			_propChgReporter = new PropertyChangeReporter(this);
3
			throw new IllegalArgumentException("HtmlViewerPanel == null");
4
		}
4
		}
5
		return _propChgReporter;
5
		return source;
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)0.5
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (_propChgReporter == null)
    1
    if (_propChgReporter == null)
    1
    if (source == null)
    Differences
    Expression1Expression2Difference
    _propChgReportersourceVARIABLE_NAME_MISMATCH
    net.sourceforge.squirrel_sql.fw.util.PropertyChangeReporternet.sourceforge.squirrel_sql.client.gui.HtmlViewerPanelVARIABLE_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.gui.HtmlViewerPanel of variable source
    • Make classes net.sourceforge.squirrel_sql.fw.util.PropertyChangeReporter and net.sourceforge.squirrel_sql.client.gui.HtmlViewerPanel extend a common superclass
    1
    if (source == null)
                                                                                                                                      
    2
    throw new IllegalArgumentException("HtmlViewerPanel == null");
    Preondition Violations
    Unmatched statement throw new IllegalArgumentException("HtmlViewerPanel == null"); 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 IllegalArgumentException("HtmlViewerPanel == null");
    2
    throw new IllegalArgumentException("HtmlViewerPanel == null");
    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 source;
    Preondition Violations
    Unmatched statement return source; cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    Unmatched return source;
    3
    return source;
    3
    return _propChgReporter;
    3
    return _propChgReporter;
    Preondition Violations
    Unmatched return _propChgReporter;
                                                          
    Precondition Violations (9)
    Row Violation
    1Type net.sourceforge.squirrel_sql.fw.util.PropertyChangeReporter of variable _propChgReporter does not match with type net.sourceforge.squirrel_sql.client.gui.HtmlViewerPanel of variable source
    2Unmatched statement throw new IllegalArgumentException("HtmlViewerPanel == null"); 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 IllegalArgumentException("HtmlViewerPanel == null");
    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 statement return source; cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    7Unmatched return source;
    8Unmatched return _propChgReporter;
    9The refactoring of the clones is infeasible, because the number of macthed statements is equal to zero