/** Alarm listener. */
@Override
public void handleAlarm(Alarm alarm) {
if (!_lifecycle.isActive()) return;
try {
_alarmConnections.clear();
synchronized (_connectionPool) {
_alarmConnections.addAll(_connectionPool);
}
for (int i = _alarmConnections.size() - 1; i >= 0; i--) {
ManagedPoolItem item = _alarmConnections.get(i);
if (!item.isValid()) item.destroy();
}
_alarmConnections.clear();
fillIdlePool();
} finally {
if (!_lifecycle.isActive()) {
} else if (0 < _idleTimeout && _idleTimeout < 1000) _alarm.queue(1000);
else if (1000 < _idleTimeout && _idleTimeout < 60000) _alarm.queue(_idleTimeout);
else _alarm.queue(60000);
}
}
/** Clears the idle connections in the pool. */
@Override
public void clear() {
ArrayList<ManagedPoolItem> pool = _connectionPool;
if (pool == null) return;
ArrayList<ManagedPoolItem> clearItems = new ArrayList<ManagedPoolItem>();
synchronized (_connectionPool) {
_idlePool.clear();
clearItems.addAll(pool);
pool.clear();
}
for (int i = 0; i < clearItems.size(); i++) {
ManagedPoolItem poolItem = clearItems.get(i);
try {
poolItem.destroy();
} catch (Throwable e) {
log.log(Level.WARNING, e.toString(), e);
}
}
}
/*
* Removes a connection from the pool.
*/
public void markForPoolRemoval(ManagedConnection mConn) {
synchronized (_connectionPool) {
for (int i = _connectionPool.size() - 1; i >= 0; i--) {
ManagedPoolItem poolItem = _connectionPool.get(i);
if (poolItem.getManagedConnection() == mConn) {
poolItem.setConnectionError();
return;
}
}
}
}
private ManagedPoolItem findPoolItem(ManagedConnection mConn) {
synchronized (_connectionPool) {
for (int i = _connectionPool.size() - 1; i >= 0; i--) {
ManagedPoolItem testPoolItem = _connectionPool.get(i);
if (testPoolItem.getManagedConnection() == mConn) {
return testPoolItem;
}
}
return null;
}
}
/** Finds the pool item joined to this one. return null. */
ManagedPoolItem findJoin(UserTransactionImpl uTrans, ManagedPoolItem item) {
if (!uTrans.isActive()) return null;
ArrayList<ManagedXAResource> poolItems = uTrans.getXaResources();
int length = poolItems.size();
for (int i = 0; i < length; i++) {
ManagedXAResource resource = poolItems.get(i);
if (resource instanceof ManagedPoolItem) {
ManagedPoolItem poolItem = (ManagedPoolItem) resource;
if (poolItem.isJoin(item)) return poolItem;
}
}
return null;
}
/** Allocates a resource matching the parameters. If none matches, return null. */
private UserPoolItem allocateShared(
UserTransactionImpl transaction,
ManagedConnectionFactory mcf,
Subject subject,
ConnectionRequestInfo info) {
if (!transaction.isActive()) return null;
ArrayList<ManagedXAResource> poolItems = transaction.getXaResources();
int length = poolItems.size();
for (int i = 0; i < length; i++) {
ManagedXAResource xaResource = poolItems.get(i);
if (xaResource instanceof ManagedPoolItem) {
ManagedPoolItem poolItem = (ManagedPoolItem) xaResource;
UserPoolItem item = poolItem.allocateXA(mcf, subject, info);
if (item != null) return item;
}
}
return null;
}
/** Destroys the manager. */
public void destroy() {
stop();
if (!_lifecycle.toDestroy()) return;
ArrayList<ManagedPoolItem> pool;
synchronized (_connectionPool) {
pool = new ArrayList<ManagedPoolItem>(_connectionPool);
_connectionPool.clear();
if (_idlePool != null) _idlePool.clear();
}
for (int i = 0; i < pool.size(); i++) {
ManagedPoolItem poolItem = pool.get(i);
try {
poolItem.destroy();
} catch (Throwable e) {
log.log(Level.WARNING, e.toString(), e);
}
}
}