super(app); if (undo == null) { throw new IllegalArgumentException("UndoManager == null"); } _undo = undo;
super(app); if (list == null) { throw new IllegalArgumentException("Null DriversList passed"); } _drivers = list;
Clone fragments detected by clone detection tool
File path: /sql12/app/src/net/sourceforge/squirrel_sql/client/session/action/UndoAction.java File path: /sql12/app/src/net/sourceforge/squirrel_sql/client/mainframe/action/DeleteDriverAction.java
Method name: void UndoAction(IApplication, UndoManager) Method name: void DeleteDriverAction(IApplication, IDriversList)
Number of AST nodes: 4 Number of AST nodes: 4
1
super(app);
1
super(app);
2
		if (undo == null)
2
		if (list == null)
3
		{
3
		{
4
			throw new IllegalArgumentException("UndoManager == null");
4
			throw new IllegalArgumentException("Null DriversList passed");
5
		}
5
		}
6
		_undo = undo;
6
		_drivers = list;
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 having the same super class
Number of node comparisons8
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements3
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)0.9
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    super(app);
    1
    super(app);
    1
    super(app);
    Preondition Violations
    Super constructor call super(app); cannot be extracted from constructor
    Super constructor call super(app); cannot be extracted from constructor
    1
    super(app);
    2
    if (undo == null)
    2
    if (undo == null)
    2
    if (list == null)
    Differences
    Expression1Expression2Difference
    undolistVARIABLE_NAME_MISMATCH
    javax.swing.undo.UndoManagernet.sourceforge.squirrel_sql.client.gui.db.IDriversListVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type javax.swing.undo.UndoManager of variable undo does not match with type net.sourceforge.squirrel_sql.client.gui.db.IDriversList of variable list
    • Make classes javax.swing.undo.UndoManager and net.sourceforge.squirrel_sql.client.gui.db.IDriversList extend a common superclass
    2
    if (list == null)
    3
    throw new IllegalArgumentException("UndoManager == null");
    3
    throw new IllegalArgumentException("UndoManager == null");
    3
    throw new IllegalArgumentException("Null DriversList passed");
    Differences
    Expression1Expression2Difference
    "UndoManager == null""Null DriversList passed"LITERAL_VALUE_MISMATCH
    3
    throw new IllegalArgumentException("Null DriversList passed");
                                      
    4
    _drivers = list;
    Preondition Violations
    Unmatched statement _drivers=list; cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    4
    _drivers = list;
    4
    _undo = undo;
    4
    _undo = undo;
    Preondition Violations
    Unmatched statement _undo=undo; cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                
    Precondition Violations (5)
    Row Violation
    1Super constructor call super(app); cannot be extracted from constructor
    2Super constructor call super(app); cannot be extracted from constructor
    3Type javax.swing.undo.UndoManager of variable undo does not match with type net.sourceforge.squirrel_sql.client.gui.db.IDriversList of variable list
    4Unmatched statement _drivers=list; cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    5Unmatched statement _undo=undo; cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted