/**
* Create and initialize a pool of threads to serve clients requests.
*
* @param routingTable the Routing Table used to find WS.
*/
public PoolClientConnection(RoutingTable routingTable) {
super();
PoolClientConnection.routingTable = routingTable;
PoolClientConnection.mailBox = new MailBoxImpl();
// Pool creation and initialisation
// Max threads
int sizeMax = Integer.parseInt(DispatcherMSG.CONFIGURATION.getProperty("clients.max"));
pool = new PooledExecutor(sizeMax);
// Min threads
int sizeMin = Integer.parseInt(DispatcherMSG.CONFIGURATION.getProperty("clients.min"));
pool.setMinimumPoolSize(sizeMin);
// Keep alive time
long keepAliveTime =
Long.parseLong(DispatcherMSG.CONFIGURATION.getProperty("clients.keepAliveTime"));
pool.setKeepAliveTime(keepAliveTime);
// Pre-start threads
int preCreateThread =
Integer.parseInt(DispatcherMSG.CONFIGURATION.getProperty("clients.preCreateThreads"));
pool.createThreads(preCreateThread);
// Set the policy for blocked execution to be to wait until a thread is
// available
pool.waitWhenBlocked();
}
/**
* Default Constructor.
*
* @param instRep The WorkflowInstanceRepository to be used by this engine.
* @param queueSize The size of the queue that the workflow engine should use (irrelevant if
* unlimitedQueue is set to true)
* @param maxPoolSize The minimum thread pool size.
* @param minPoolSize The maximum thread pool size.
* @param threadKeepAliveTime The amount of minutes that each thread in the pool should be kept
* alive.
* @param unlimitedQueue Whether or not to use a queue whose bounds are dictated by the physical
* memory of the underlying hardware.
* @param resUrl A URL pointer to a resource manager. If this is set Tasks will be wrapped as
* Resource Manager {@link Job}s and sent through the Resource Manager. If this parameter is
* not set, local execution (the default) will be used
*/
public ThreadPoolWorkflowEngine(
WorkflowInstanceRepository instRep,
int queueSize,
int maxPoolSize,
int minPoolSize,
long threadKeepAliveTime,
boolean unlimitedQueue,
URL resUrl) {
this.instRep = instRep;
Channel c = null;
if (unlimitedQueue) {
c = new LinkedQueue();
} else {
c = new BoundedBuffer(queueSize);
}
pool = new PooledExecutor(c, maxPoolSize);
pool.setMinimumPoolSize(minPoolSize);
pool.setKeepAliveTime(1000 * 60 * threadKeepAliveTime);
workerMap = new HashMap();
if (resUrl != null) rClient = new XmlRpcResourceManagerClient(resUrl);
}
static {
JSONObject json =
JSONObject.fromObject(PropertiesDeploy.getConfigureMap().get(Constant.OTHERS_HOST_NAME));
othersPooledExecutor.setKeepAliveTime(
Integer.parseInt(json.getString(Constant.KEEP_ALIVE_TIME)));
othersPooledExecutor.createThreads(Integer.parseInt(json.getString(Constant.CREATE_SIZE)));
othersPooledExecutor.setMinimumPoolSize(
Integer.parseInt(json.getString(Constant.MIN_POOL_SIZE)));
othersPooledExecutor.setMaximumPoolSize(
Integer.parseInt(json.getString(Constant.MAX_POOL_SIZE)));
othersPooledExecutor.abortWhenBlocked();
}