hydra

Class AsyncEventQueueHelper

java.lang.Object

hydra.AsyncEventQueueHelper

public class AsyncEventQueueHelper
extends Object

Provides support for async event queues running in hydra-managed client VMs.

Constructor Summary

Constructors

Constructor and Description
AsyncEventQueueHelper()

Method Summary

Modifier and Type	Method and Description
static String	asyncEventQueueToString(com.gemstone.gemfire.cache.asyncqueue.AsyncEventQueue aeq) Returns the given async event queue as a string.
static com.gemstone.gemfire.cache.asyncqueue.AsyncEventQueue	createAndStartAsyncEventQueue(String asyncEventQueueConfig) Creates and starts an async event queue in the current cache.
static com.gemstone.gemfire.cache.asyncqueue.AsyncEventQueue	getAsyncEventQueue(String queueID) Returns the async event queue for the current cache matching the given async event queue id, or null if no matching id exists.
static AsyncEventQueueDescription	getAsyncEventQueueDescription(String asyncEventQueueConfig) Returns the AsyncEventQueueDescription with the given configuration name from AsyncEventQueuePrms.names.
static Set<com.gemstone.gemfire.cache.asyncqueue.AsyncEventQueue>	getAsyncEventQueues() Returns the async event queues for the current cache, or null if no async event queues or cache exists.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AsyncEventQueueHelper

public AsyncEventQueueHelper()

Method Detail

createAndStartAsyncEventQueue

public static com.gemstone.gemfire.cache.asyncqueue.AsyncEventQueue createAndStartAsyncEventQueue(String asyncEventQueueConfig)

Creates and starts an async event queue in the current cache. The queue is configured using the AsyncEventQueueDescription corresponding to the given configuration from AsyncEventQueuePrms.names. The id for the queue is the same as the queue configuration name.

This method is thread-safe. The async event queues for a given logical queue configuration will only be created once.

Throws:

HydraRuntimeException - if an attempt is made to reconfigure an existing async event queue.

getAsyncEventQueues

public static Set<com.gemstone.gemfire.cache.asyncqueue.AsyncEventQueue> getAsyncEventQueues()

Returns the async event queues for the current cache, or null if no async event queues or cache exists.

getAsyncEventQueue

public static com.gemstone.gemfire.cache.asyncqueue.AsyncEventQueue getAsyncEventQueue(String queueID)

Returns the async event queue for the current cache matching the given async event queue id, or null if no matching id exists.

asyncEventQueueToString

public static String asyncEventQueueToString(com.gemstone.gemfire.cache.asyncqueue.AsyncEventQueue aeq)

Returns the given async event queue as a string.

getAsyncEventQueueDescription

public static AsyncEventQueueDescription getAsyncEventQueueDescription(String asyncEventQueueConfig)

Returns the AsyncEventQueueDescription with the given configuration name from AsyncEventQueuePrms.names.