if (_myPanel == null) { _myPanel = new PrefsPanel(_prefs); } return _myPanel;
if (source == null) { throw new IllegalArgumentException("HtmlViewerPanel == null"); } return source;
Clone fragments detected by clone detection tool
File path: /sql12/plugins/sqlval/src/net/sourceforge/squirrel_sql/plugins/sqlval/ValidatorGlobalPreferencesTab.java File path: /sql12/app/src/net/sourceforge/squirrel_sql/client/gui/HtmlViewerPanelListenerEvent.java
Method name: Component getPanelComponent() Method name: HtmlViewerPanel checkParams(HtmlViewerPanel)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (_myPanel == null)
1
if (source == null)
2
		{
2
		{
3
			_myPanel = new PrefsPanel(_prefs);
3
			throw new IllegalArgumentException("HtmlViewerPanel == null");
4
		}
4
		}
5
		return _myPanel;
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)0.2
Clones locationClones are in different classes
Number of node comparisons5
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements2
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)1.0
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (_myPanel == null)
    1
    if (_myPanel == null)
    1
    if (source == null)
    Differences
    Expression1Expression2Difference
    _myPanelsourceVARIABLE_NAME_MISMATCH
    net.sourceforge.squirrel_sql.plugins.sqlval.ValidatorGlobalPreferencesTab.PrefsPanelnet.sourceforge.squirrel_sql.client.gui.HtmlViewerPanelSUBCLASS_TYPE_MISMATCH
    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
    _myPanel = new PrefsPanel(_prefs);
    2
    _myPanel = new PrefsPanel(_prefs);
    Preondition Violations
    Unmatched statement _myPanel=new PrefsPanel(_prefs); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                          
    3
    return _myPanel;
    3
    return _myPanel;
    3
    return source;
    Differences
    Expression1Expression2Difference
    _myPanelsourceVARIABLE_NAME_MISMATCH
    net.sourceforge.squirrel_sql.plugins.sqlval.ValidatorGlobalPreferencesTab.PrefsPanelnet.sourceforge.squirrel_sql.client.gui.HtmlViewerPanelSUBCLASS_TYPE_MISMATCH
    3
    return source;
    Precondition Violations (4)
    Row Violation
    1Unmatched 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
    2Unmatched throw new IllegalArgumentException("HtmlViewerPanel == null");
    3Unmatched statement _myPanel=new PrefsPanel(_prefs); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    4The refactoring of the clones is infeasible, because classes net.sourceforge.squirrel_sql.plugins.sqlval.ValidatorGlobalPreferencesTab and net.sourceforge.squirrel_sql.client.gui.HtmlViewerPanelListenerEvent do not have a common superclass