/** 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);
}
}
}
/** Initialize the connection manager. */
public Object init(ManagedConnectionFactory mcf) throws ConfigException, ResourceException {
if (!_lifecycle.toInit()) return null;
_mcf = mcf;
if (_name == null) {
int v = _idGen.incrementAndGet();
_name = mcf.getClass().getSimpleName() + "-" + v;
}
if (_tm == null)
throw new ConfigException(L.l("the connection manager needs a transaction manager."));
_idlePool = new IdlePoolSet(_maxIdleCount);
_connectionTime = MeterService.createActiveTimeMeter("Resin|Database|Connection");
_idleTime = MeterService.createActiveTimeMeter("Resin|Database|Idle");
_queryTime = MeterService.createActiveTimeMeter("Resin|Database|Query");
registerSelf();
_alarm = new WeakAlarm(this);
if (!(mcf instanceof ValidatingManagedConnectionFactory)) {
// never check
_lastValidCheckTime = Long.MAX_VALUE / 2;
}
// recover any resources on startup
if (_isEnableXA) {
Subject subject = null;
ManagedConnection mConn = mcf.createManagedConnection(subject, null);
try {
XAResource xa = mConn.getXAResource();
_tm.recover(xa);
} catch (NotSupportedException e) {
log.finer(e.toString());
} catch (Throwable e) {
log.log(Level.FINER, e.toString(), e);
} finally {
mConn.destroy();
}
}
return mcf.createConnectionFactory(this);
}
/** 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);
}
}
}