Object[] listeners = _listeners.getListenerList(); // Process the listeners last to first, notifying // those that are interested in this event. SQLResultExecuterTabEvent evt = null; for (int i = listeners.length - 2; i >= 0; i -= 2) { if (listeners[i] == ISQLResultExecuterTabListener.class) { // Lazily create the event: if (evt == null) { evt = new SQLResultExecuterTabEvent(_session, exec); } ((ISQLResultExecuterTabListener)listeners[i + 1]).executerTabAdded(evt); } }
Object[] listeners = _listenerList.getListenerList(); // Process the listeners last to first, notifying // those that are interested in this event. ObjectTreeListenerEvent evt = null; for (int i = listeners.length - 2; i >= 0; i-=2 ) { if (listeners[i] == IObjectTreeListener.class) { // Lazily create the event. if (evt == null) { evt = new ObjectTreeListenerEvent(ObjectTree.this); } ((IObjectTreeListener)listeners[i + 1]).objectTreeCleared(evt); } }
Clone fragments detected by clone detection tool
File path: /sql12/app/src/net/sourceforge/squirrel_sql/client/session/mainpanel/SQLPanel.java File path: /sql12/app/src/net/sourceforge/squirrel_sql/client/session/mainpanel/objecttree/ObjectTree.java
Method name: void fireExecuterTabAdded(ISQLResultExecuter) Method name: void fireObjectTreeCleared()
Number of AST nodes: 7 Number of AST nodes: 7
1
Object[] listeners = _listeners.getListenerList();
1
Object[] listeners = _listenerList.getListenerList();
2
		// Process the listeners last to first, notifying
2
		// Process the listeners last to first, notifying
3
		// those that are interested in this event.
3
		// those that are interested in this event.
4
		SQLResultExecuterTabEvent evt = null;
4
		ObjectTreeListenerEvent evt = null;
5
		for (int i = listeners.length - 2; i >= 0; i -= 2)
5
		for (int i = listeners.length - 2; i >= 0; i-=2 )
6
		{
6
		{
7
			if (listeners[i] == ISQLResultExecuterTabListener.class)
7
			if (listeners[i] == IObjectTreeListener.class)
8
			{
8
			{
9
				// Lazily create the event:
9
				// Lazily create the event.
10
				if (evt == null)
10
				if (evt == null)
11
				{
11
				{
12
					evt = new SQLResultExecuterTabEvent(_session, exec);
12
					evt = new 
13
				}
14
				((ISQLResultExecuterTab
13
ObjectTreeListenerEvent(ObjectTree.this);
14
				}
15
Listener)listeners[i + 1]).executerTabAdded(evt);
15
				((IObjectTreeListener)listeners[i + 1]).objectTreeCleared(evt);
16
			}
16
			}
17
		}
17
		}
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)0.6
Clones locationClones are in different classes having the same super class
Number of node comparisons13
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements5
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)2.7
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    Object[] listeners = _listeners.getListenerList();
    1
    Object[] listeners = _listeners.getListenerList();
    1
    Object[] listeners = _listenerList.getListenerList();
    Differences
    Expression1Expression2Difference
    _listeners_listenerListVARIABLE_NAME_MISMATCH
    1
    Object[] listeners = _listenerList.getListenerList();
                                                                            
    2
    ObjectTreeListenerEvent evt = null;
    2
    SQLResultExecuterTabEvent evt = null;
                                                                                
    3
    for (int i = listeners.length - 2; i >= 0; i -= 2)
    3
    for (int i = listeners.length - 2; i >= 0; i -= 2)
    4
    if (listeners[i] == ISQLResultExecuterTabListener.class)
    4
    if (listeners[i] == ISQLResultExecuterTabListener.class)
    4
    if (listeners[i] == IObjectTreeListener.class)
    Differences
    Expression1Expression2Difference
    ISQLResultExecuterTabListener.classIObjectTreeListener.classLITERAL_VALUE_MISMATCH
    4
    if (listeners[i] == IObjectTreeListener.class)
    5
    if (evt == null)
    5
    if (evt == null)
    5
    if (evt == null)
    Differences
    Expression1Expression2Difference
    net.sourceforge.squirrel_sql.client.session.event.SQLResultExecuterTabEventnet.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.ObjectTreeListenerEventVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type net.sourceforge.squirrel_sql.client.session.event.SQLResultExecuterTabEvent of variable evt does not match with type net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.ObjectTreeListenerEvent of variable evt
    • Make classes net.sourceforge.squirrel_sql.client.session.event.SQLResultExecuterTabEvent and net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.ObjectTreeListenerEvent extend a common superclass
    5
    if (evt == null)
                                                                                                            
    6
    evt = new ObjectTreeListenerEvent(ObjectTree.this);
    Preondition Violations
    Unmatched statement evt=new ObjectTreeListenerEvent(ObjectTree.this); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement evt=new ObjectTreeListenerEvent(ObjectTree.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
    6
    evt = new ObjectTreeListenerEvent(ObjectTree.this);
    6
    evt = new SQLResultExecuterTabEvent(_session, exec);
    6
    evt = new SQLResultExecuterTabEvent(_session, exec);
    Preondition Violations
    Unmatched statement evt=new SQLResultExecuterTabEvent(_session,exec); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement evt=new SQLResultExecuterTabEvent(_session,exec); 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
                                                                                                            
    7
    ((ISQLResultExecuterTabListener)listeners[i + 1]).executerTabAdded(evt);
    7
    ((ISQLResultExecuterTabListener)listeners[i + 1]).executerTabAdded(evt);
    7
    ((IObjectTreeListener)listeners[i + 1]).objectTreeCleared(evt);
    Differences
    Expression1Expression2Difference
    net.sourceforge.squirrel_sql.client.session.event.SQLResultExecuterTabEventnet.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.ObjectTreeListenerEventVARIABLE_TYPE_MISMATCH
    executerTabAddedobjectTreeClearedMETHOD_INVOCATION_NAME_MISMATCH
    net.sourceforge.squirrel_sql.client.session.event.ISQLResultExecuterTabListenernet.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.IObjectTreeListenerVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type net.sourceforge.squirrel_sql.client.session.event.SQLResultExecuterTabEvent of variable evt does not match with type net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.ObjectTreeListenerEvent of variable evt
    • Make classes net.sourceforge.squirrel_sql.client.session.event.SQLResultExecuterTabEvent and net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.ObjectTreeListenerEvent extend a common superclass
    Expression ((ISQLResultExecuterTabListener)listeners[i + 1]).executerTabAdded(evt) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression ((IObjectTreeListener)listeners[i + 1]).objectTreeCleared(evt) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression ((ISQLResultExecuterTabListener)listeners[i + 1]).executerTabAdded(evt) is a void method call, and thus it cannot be parameterized
    Expression ((IObjectTreeListener)listeners[i + 1]).objectTreeCleared(evt) is a void method call, and thus it cannot be parameterized
    Expression (ISQLResultExecuterTabListener)listeners[i + 1] cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression (IObjectTreeListener)listeners[i + 1] cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type net.sourceforge.squirrel_sql.client.session.event.ISQLResultExecuterTabListener does not match with type net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.IObjectTreeListener
    • Make classes net.sourceforge.squirrel_sql.client.session.event.ISQLResultExecuterTabListener and net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.IObjectTreeListener extend a common superclass
    7
    ((IObjectTreeListener)listeners[i + 1]).objectTreeCleared(evt);
    Precondition Violations (14)
    Row Violation
    1Type net.sourceforge.squirrel_sql.client.session.event.SQLResultExecuterTabEvent of variable evt does not match with type net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.ObjectTreeListenerEvent of variable evt
    2Unmatched statement evt=new ObjectTreeListenerEvent(ObjectTree.this); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3Unmatched statement evt=new ObjectTreeListenerEvent(ObjectTree.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
    4Unmatched statement evt=new SQLResultExecuterTabEvent(_session,exec); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    5Unmatched statement evt=new SQLResultExecuterTabEvent(_session,exec); 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
    6Type net.sourceforge.squirrel_sql.client.session.event.SQLResultExecuterTabEvent of variable evt does not match with type net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.ObjectTreeListenerEvent of variable evt
    7Expression ((ISQLResultExecuterTabListener)listeners[i + 1]).executerTabAdded(evt) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Expression ((IObjectTreeListener)listeners[i + 1]).objectTreeCleared(evt) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9Expression ((ISQLResultExecuterTabListener)listeners[i + 1]).executerTabAdded(evt) is a void method call, and thus it cannot be parameterized
    10Expression ((IObjectTreeListener)listeners[i + 1]).objectTreeCleared(evt) is a void method call, and thus it cannot be parameterized
    11Expression (ISQLResultExecuterTabListener)listeners[i + 1] cannot be parameterized, because it has dependencies to/from statements that will be extracted
    12Expression (IObjectTreeListener)listeners[i + 1] cannot be parameterized, because it has dependencies to/from statements that will be extracted
    13Type net.sourceforge.squirrel_sql.client.session.event.ISQLResultExecuterTabListener does not match with type net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.IObjectTreeListener
    14The refactoring of the clones is infeasible, because classes net.sourceforge.squirrel_sql.client.session.mainpanel.SQLPanel and net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.ObjectTree do not have a common superclass