if (_comp != null) { _comp.copy(); }
if (listener != null) { listeners.add(listener); }
Clone fragments detected by clone detection tool
File path: /sql12/fw/src/net/sourceforge/squirrel_sql/fw/gui/TextPopupMenu.java File path: /sql12/fw/src/net/sourceforge/squirrel_sql/fw/util/MyURLClassLoader.java
Method name: void actionPerformed(ActionEvent) Method name: void addClassLoaderListener(ClassLoaderListener)
Number of AST nodes: 2 Number of AST nodes: 2
1
if (_comp != null)
1
if (listener != null)
2
			{
2
		{
3
				_comp.copy();
3
			listeners.add(listener);
4
			}
4
		}
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 fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)0.6
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (_comp != null)
    1
    if (_comp != null)
    1
    if (listener != null)
    Differences
    Expression1Expression2Difference
    _complistenerVARIABLE_NAME_MISMATCH
    javax.swing.text.JTextComponentnet.sourceforge.squirrel_sql.fw.util.ClassLoaderListenerVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type javax.swing.text.JTextComponent of variable _comp does not match with type net.sourceforge.squirrel_sql.fw.util.ClassLoaderListener of variable listener
    • Make classes javax.swing.text.JTextComponent and net.sourceforge.squirrel_sql.fw.util.ClassLoaderListener extend a common superclass
    1
    if (listener != null)
                                                          
    2
    listeners.add(listener);
    Preondition Violations
    Unmatched statement listeners.add(listener); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2
    listeners.add(listener);
    2
    _comp.copy();
    2
    _comp.copy();
    Preondition Violations
    Unmatched statement _comp.copy(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                    
    Precondition Violations (4)
    Row Violation
    1Type javax.swing.text.JTextComponent of variable _comp does not match with type net.sourceforge.squirrel_sql.fw.util.ClassLoaderListener of variable listener
    2Unmatched statement listeners.add(listener); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched statement _comp.copy(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    4The refactoring of the clones is infeasible, because the number of macthed statements is equal to zero