Object[] listeners = _listeners.getListenerList(); // Process the listeners last to first, notifying // those that are interested in this event. SQLPanelEvent evt = null; for (int i = listeners.length - 2; i >= 0; i -= 2) { if (listeners[i] == ISQLPanelListener.class) { // Lazily create the event: if (evt == null) { evt = new SQLPanelEvent(_session, this); } ((ISQLPanelListener)listeners[i + 1]).sqlEntryAreaInstalled(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 fireSQLEntryAreaInstalled() 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
		SQLPanelEvent 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] == ISQLPanelListener.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 SQLPanelEvent(_session, this);
12
					evt = new ObjectTreeListenerEvent(ObjectTree.this);
13
				}
13
				}
14
				((ISQLPanelListener)listeners[i + 1]).sqlEntryAreaInstalled(evt);
14
				((IObjectTreeListener)listeners[i + 1]).objectTreeCleared(evt);
15
			}
15
			}
16
		}
16
		}
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)0.5
Clones locationClones are in different classes having the same super class
Number of node comparisons13
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements7
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)11.9
    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
    SQLPanelEvent evt = null;
    2
    SQLPanelEvent evt = null;
    2
    ObjectTreeListenerEvent evt = null;
    Differences
    Expression1Expression2Difference
    net.sourceforge.squirrel_sql.client.session.event.SQLPanelEventnet.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.ObjectTreeListenerEventSUBCLASS_TYPE_MISMATCH
    net.sourceforge.squirrel_sql.client.session.event.SQLPanelEventnet.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.ObjectTreeListenerEventSUBCLASS_TYPE_MISMATCH
    2
    ObjectTreeListenerEvent 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] == ISQLPanelListener.class)
    4
    if (listeners[i] == ISQLPanelListener.class)
    4
    if (listeners[i] == IObjectTreeListener.class)
    Differences
    Expression1Expression2Difference
    ISQLPanelListener.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.SQLPanelEventnet.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.ObjectTreeListenerEventSUBCLASS_TYPE_MISMATCH
    5
    if (evt == null)
    6
    evt = new SQLPanelEvent(_session, this);
    6
    evt = new SQLPanelEvent(_session, this);
    6
    evt = new ObjectTreeListenerEvent(ObjectTree.this);
    Differences
    Expression1Expression2Difference
    net.sourceforge.squirrel_sql.client.session.event.SQLPanelEventnet.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.ObjectTreeListenerEventSUBCLASS_TYPE_MISMATCH
    net.sourceforge.squirrel_sql.client.session.event.SQLPanelEventnet.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.ObjectTreeListenerEventSUBCLASS_TYPE_MISMATCH
    new SQLPanelEvent(_session,this)new ObjectTreeListenerEvent(ObjectTree.this)ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression new SQLPanelEvent(_session,this) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression new ObjectTreeListenerEvent(ObjectTree.this) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression new SQLPanelEvent(_session,this) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression new ObjectTreeListenerEvent(ObjectTree.this) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6
    evt = new ObjectTreeListenerEvent(ObjectTree.this);
    7
    ((ISQLPanelListener)listeners[i + 1]).sqlEntryAreaInstalled(evt);
    7
    ((ISQLPanelListener)listeners[i + 1]).sqlEntryAreaInstalled(evt);
    7
    ((IObjectTreeListener)listeners[i + 1]).objectTreeCleared(evt);
    Differences
    Expression1Expression2Difference
    net.sourceforge.squirrel_sql.client.session.event.SQLPanelEventnet.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.ObjectTreeListenerEventSUBCLASS_TYPE_MISMATCH
    sqlEntryAreaInstalledobjectTreeClearedMETHOD_INVOCATION_NAME_MISMATCH
    net.sourceforge.squirrel_sql.client.session.event.ISQLPanelListenernet.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.IObjectTreeListenerVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Expression ((ISQLPanelListener)listeners[i + 1]).sqlEntryAreaInstalled(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 ((ISQLPanelListener)listeners[i + 1]).sqlEntryAreaInstalled(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 (ISQLPanelListener)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.ISQLPanelListener does not match with type net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.IObjectTreeListener
    • Make classes net.sourceforge.squirrel_sql.client.session.event.ISQLPanelListener and net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.IObjectTreeListener extend a common superclass
    7
    ((IObjectTreeListener)listeners[i + 1]).objectTreeCleared(evt);
    Precondition Violations (12)
    Row Violation
    1Expression new SQLPanelEvent(_session,this) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression new ObjectTreeListenerEvent(ObjectTree.this) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression new SQLPanelEvent(_session,this) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression new ObjectTreeListenerEvent(ObjectTree.this) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression ((ISQLPanelListener)listeners[i + 1]).sqlEntryAreaInstalled(evt) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression ((IObjectTreeListener)listeners[i + 1]).objectTreeCleared(evt) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression ((ISQLPanelListener)listeners[i + 1]).sqlEntryAreaInstalled(evt) is a void method call, and thus it cannot be parameterized
    8Expression ((IObjectTreeListener)listeners[i + 1]).objectTreeCleared(evt) is a void method call, and thus it cannot be parameterized
    9Expression (ISQLPanelListener)listeners[i + 1] cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Expression (IObjectTreeListener)listeners[i + 1] cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Type net.sourceforge.squirrel_sql.client.session.event.ISQLPanelListener does not match with type net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.IObjectTreeListener
    12The 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