/**
* Wrapper for close of ResultSet which removes this result set from being traced then calls close
* on the original ResultSet.
*/
@Override
public void close() throws SQLException {
try {
if (_stmt != null) {
((AbandonedTrace) _stmt).removeTrace(this);
_stmt = null;
}
if (_conn != null) {
((AbandonedTrace) _conn).removeTrace(this);
_conn = null;
}
_res.close();
} catch (SQLException e) {
handleException(e);
}
}
/**
* Remove a child object this object is tracing.
*
* @param trace AbandonedTrace object to remove
*/
protected void removeTrace(AbandonedTrace trace) {
synchronized (this.traceList) {
Iterator<WeakReference<AbandonedTrace>> iter = traceList.iterator();
while (iter.hasNext()) {
WeakReference<AbandonedTrace> ref = iter.next();
if (trace.equals(ref.get())) {
iter.remove();
break;
} else if (ref.get() == null) {
// Clean-up since we are here anyway
iter.remove();
}
}
}
}
/**
* Initialize abandoned tracing for this object.
*
* @param parent AbandonedTrace parent object
*/
private void init(AbandonedTrace parent) {
if (parent != null) {
parent.addTrace(this);
}
}