@Override
protected void validateConfiguration() {
super.validateConfiguration();
if (isSubscriptionDurable() && this.concurrentConsumers != 1) {
throw new IllegalArgumentException(
"Only 1 concurrent consumer supported for durable subscription");
}
}
/**
* Avoid the possibility of not configuring the CachingConnectionFactory in sync with the number
* of concurrent consumers.
*/
@Override
protected void validateConfiguration() {
super.validateConfiguration();
Assert.state(
!(getAcknowledgeMode().isAutoAck() && transactionManager != null),
"The acknowledgeMode is NONE (autoack in Rabbit terms) which is not consistent with having an "
+ "external transaction manager. Either use a different AcknowledgeMode or make sure the transactionManager is null.");
if (this.getConnectionFactory() instanceof CachingConnectionFactory) {
CachingConnectionFactory cf = (CachingConnectionFactory) getConnectionFactory();
if (cf.getChannelCacheSize() < this.concurrentConsumers) {
cf.setChannelCacheSize(this.concurrentConsumers);
logger.warn(
"CachingConnectionFactory's channelCacheSize can not be less than the number of concurrentConsumers so it was reset to match: "
+ this.concurrentConsumers);
}
}
}
