Examples with ResourcePool com.sun.enterprise.resource.pool.ResourcePool used on opensource projects

Example 1 with ResourcePool

use of com.sun.enterprise.resource.pool.ResourcePool in project Payara by payara.

the class JdbcConnectionPoolDeployer method handlePoolRecreation.

private void handlePoolRecreation(final ConnectorConnectionPool connConnPool) throws ConnectorRuntimeException {
    debug("[DRC] Pool recreation required");
    final long reconfigWaitTimeout = connConnPool.getDynamicReconfigWaitTimeout();
    PoolInfo poolInfo = new PoolInfo(connConnPool.getName(), connConnPool.getApplicationName(), connConnPool.getModuleName());
    final ResourcePool oldPool = runtime.getPoolManager().getPool(poolInfo);
    if (reconfigWaitTimeout > 0) {
        oldPool.blockRequests(reconfigWaitTimeout);
        if (oldPool.getPoolWaitQueue().getQueueLength() > 0 || oldPool.getPoolStatus().getNumConnUsed() > 0) {
            Runnable thread = new Runnable() {

                @Override
                public void run() {
                    try {
                        // poll every 5 seconds
                        long numSeconds = 5000L;
                        long steps = reconfigWaitTimeout / numSeconds;
                        if (steps == 0) {
                            waitForCompletion(steps, oldPool, reconfigWaitTimeout);
                        } else {
                            for (long i = 0; i < steps; i++) {
                                waitForCompletion(steps, oldPool, reconfigWaitTimeout);
                                if (oldPool.getPoolWaitQueue().getQueueLength() == 0 && oldPool.getPoolStatus().getNumConnUsed() == 0) {
                                    debug("wait-queue is empty and num-con-used is 0");
                                    break;
                                }
                            }
                        }
                        handlePoolRecreationForExistingProxies(connConnPool);
                        PoolWaitQueue reconfigWaitQueue = oldPool.getReconfigWaitQueue();
                        debug("checking reconfig-wait-queue for notification");
                        if (reconfigWaitQueue.getQueueContents().size() > 0) {
                            for (Object o : reconfigWaitQueue.getQueueContents()) {
                                debug("notifying reconfig-wait-queue object [ " + o + " ]");
                                synchronized (o) {
                                    o.notify();
                                }
                            }
                        }
                    } catch (InterruptedException ie) {
                        if (_logger.isLoggable(Level.FINEST)) {
                            _logger.log(Level.FINEST, "Interrupted while waiting for all existing clients to return connections to pool", ie);
                        }
                    }
                    if (_logger.isLoggable(Level.FINEST)) {
                        _logger.finest("woke-up after giving time for in-use connections to return, " + "WaitQueue-Length : [" + oldPool.getPoolWaitQueue().getQueueContents() + "], " + "Num-Conn-Used : [" + oldPool.getPoolStatus().getNumConnUsed() + "]");
                    }
                }
            };
            Callable c = Executors.callable(thread);
            ArrayList list = new ArrayList();
            list.add(c);
            try {
                execService.invokeAll(list);
            } catch (Exception e) {
                Object[] params = new Object[] { connConnPool.getName(), e };
                _logger.log(Level.WARNING, "exception.redeploying.pool.transparently", params);
            }
        } else {
            handlePoolRecreationForExistingProxies(connConnPool);
        }
    } else if (oldPool.getReconfigWaitTime() > 0) {
        // reconfig is being switched off, invalidate proxies
        Collection<BindableResource> resources = JdbcResourcesUtil.getResourcesOfPool(runtime.getResources(oldPool.getPoolInfo()), oldPool.getPoolInfo().getName());
        ConnectorRegistry registry = ConnectorRegistry.getInstance();
        for (BindableResource resource : resources) {
            ResourceInfo resourceInfo = ConnectorsUtil.getResourceInfo(resource);
            registry.removeResourceFactories(resourceInfo);
        }
        // recreate the pool now.
        recreatePool(connConnPool);
    } else {
        recreatePool(connConnPool);
    }
}