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Added legacy offset store API

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2019-02-04 12:10:45 -05:00
parent 872ee0442b
commit 7bc03185a8
2 changed files with 54 additions and 0 deletions
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32
include/cppkafka/consumer.h
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@@ -292,6 +292,38 @@ public:
*/
TopicPartitionList get_offsets_position(const TopicPartitionList& topic_partitions) const;
/**
* \brief Stores the offsets on the currently assigned topic/partitions (legacy).
*
* This translates into a call to rd_kafka_offsets_store with the current partition assignment.
* It is equivalent to calling rd_kafka_offsets_store(get_assignment()).
*
* \note When using this API it's recommended to set enable.auto.offset.store to false.
*/
void store_offsets() const;
/**
* \brief Stores the offsets on the given topic/partitions (legacy).
*
* This translates into a call to rd_kafka_offsets_store.
*
* \param topic_partitions The topic/partition list to be stored.
*
* \note When using this API it's recommended to set enable.auto.offset.store to false.
*/
void store_offsets(const TopicPartitionList& topic_partitions) const;
/**
* \brief Stores the offset for this message (legacy).
*
* This translates into a call to rd_kafka_offset_store.
*
* \param msg The message whose offset will be stored.
*
* \note When using this API it's recommended to set enable.auto.offset.store to false.
*/
void store_offset(const Message& msg) const;
/**
* \brief Gets the current topic subscription
*

22
src/consumer.cpp
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@@ -200,6 +200,28 @@ Consumer::get_offsets_position(const TopicPartitionList& topic_partitions) const
return convert(topic_list_handle);
}
void Consumer::store_offsets() const
{
rd_kafka_topic_partition_list_t* list = nullptr;
rd_kafka_resp_err_t error = rd_kafka_assignment(get_handle(), &list);
check_error(error);
error = rd_kafka_offsets_store(get_handle(), list);
check_error(error, list);
}
void Consumer::store_offsets(const TopicPartitionList& topic_partitions) const
{
TopicPartitionsListPtr topic_list_handle = convert(topic_partitions);
rd_kafka_resp_err_t error = rd_kafka_offsets_store(get_handle(), topic_list_handle.get());
check_error(error, topic_list_handle.get());
}
void Consumer::store_offset(const Message& msg) const
{
rd_kafka_resp_err_t error = rd_kafka_offset_store(msg.get_handle()->rkt, msg.get_partition(), msg.get_offset());
check_error(error);
}
vector<string> Consumer::get_subscription() const {
rd_kafka_resp_err_t error;
rd_kafka_topic_partition_list_t* list = nullptr;