if (tab == null) { throw new IllegalArgumentException("IMainPanelTab == null"); } return _mainTabPane.addMainPanelTab(tab);
if (listener == null) { throw new IllegalArgumentException("listener cannot be null"); } showSQLButton.addActionListener(listener);
Clone fragments detected by clone detection tool
File path: /sql12/app/src/net/sourceforge/squirrel_sql/client/gui/session/SessionPanel.java File path: /sql12/app/src/net/sourceforge/squirrel_sql/client/gui/db/ColumnListDialog.java
Method name: int addMainTab(IMainPanelTab) Method name: void addShowSQLListener(ActionListener)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (tab == null)
1
if (listener == null)
2
		{
3
			
2
 {
4
throw new IllegalArgumentException("IMainPanelTab == null");
3
            throw new IllegalArgumentException("
5
		}
6
		return _mainTabPane.addMainPanelTab(tab
4
listener cannot be null");
5
        }
7
);
6
        showSQLButton.addActionListener(listener);
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 having the same super class
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 (tab == null)
    1
    if (tab == null)
    1
    if (listener == null)
    Differences
    Expression1Expression2Difference
    tablistenerVARIABLE_NAME_MISMATCH
    net.sourceforge.squirrel_sql.client.session.mainpanel.IMainPanelTabjava.awt.event.ActionListenerVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type net.sourceforge.squirrel_sql.client.session.mainpanel.IMainPanelTab of variable tab does not match with type java.awt.event.ActionListener of variable listener
    • Make classes net.sourceforge.squirrel_sql.client.session.mainpanel.IMainPanelTab and java.awt.event.ActionListener extend a common superclass
    1
    if (listener == null)
    2
    throw new IllegalArgumentException("IMainPanelTab == null");
    2
    throw new IllegalArgumentException("IMainPanelTab == null");
    2
    throw new IllegalArgumentException("listener cannot be null");
    Differences
    Expression1Expression2Difference
    "IMainPanelTab == null""listener cannot be null"LITERAL_VALUE_MISMATCH
    2
    throw new IllegalArgumentException("listener cannot be null");
                                                                                              
    3
    showSQLButton.addActionListener(listener);
    Preondition Violations
    Unmatched statement showSQLButton.addActionListener(listener); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3
    showSQLButton.addActionListener(listener);
    3
    return _mainTabPane.addMainPanelTab(tab);
    3
    return _mainTabPane.addMainPanelTab(tab);
    Preondition Violations
    Unmatched statement return _mainTabPane.addMainPanelTab(tab); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    Unmatched return _mainTabPane.addMainPanelTab(tab);
                                                                                            
    Precondition Violations (5)
    Row Violation
    1Type net.sourceforge.squirrel_sql.client.session.mainpanel.IMainPanelTab of variable tab does not match with type java.awt.event.ActionListener of variable listener
    2Unmatched statement showSQLButton.addActionListener(listener); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched statement return _mainTabPane.addMainPanelTab(tab); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    4Unmatched return _mainTabPane.addMainPanelTab(tab);
    5The refactoring of the clones is infeasible, because classes net.sourceforge.squirrel_sql.client.gui.session.SessionPanel and net.sourceforge.squirrel_sql.client.gui.db.ColumnListDialog do not have a common superclass