jai1 commented on a change in pull request #577: CPP add receiveAsync API
URL: https://github.com/apache/incubator-pulsar/pull/577#discussion_r128684229
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File path: pulsar-client-cpp/lib/PartitionedConsumerImpl.cc
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@@ -100,6 +101,29 @@ namespace pulsar {
}
}
+ void PartitionedConsumerImpl::receiveAsync(ReceiveCallback& callback) {
+ Message msg;
+
+ {
+ // fail the callback if consumer is closing or closed
+ Lock lock(mutex_);
+ if (state_ == Closing || state_ == Closed) {
+ callback(ResultAlreadyClosed, msg);
+ return;
+ }
+ }
+
+ Lock lock(pendingReceiveMutex_);
+ if(messages_.pop(msg, milliseconds(0))) {
+ lock.unlock();
+ unAckedMessageTrackerPtr_->add(msg.getMessageId());
+ callback(ResultOk, msg);
+ } else {
+ pendingReceives_.push(callback);
+ lock.unlock();
Review comment:
This unlock not required
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