Remove of nested namespaces for C++14 compatibility

Author: Andrea Masciotta

include/kafka/AdminClient.h

@@ -18,7 +18,8 @@
 #include <vector>
 
 
-namespace KAFKA_API::clients {
+namespace KAFKA_API {
+namespace clients {
 
 /**
  * The administrative client for Kafka, which supports managing and inspecting topics, etc.
@@ -341,5 +342,6 @@ AdminClient::deleteRecords(const TopicPartitionOffsets& topicPartitionOffsets,
     return admin::DeleteRecordsResult(combineErrors(errors));
 }
 
+}
 } // end of KAFKA_API::clients
 

include/kafka/AdminClientConfig.h

@@ -5,7 +5,9 @@
 #include <kafka/Properties.h>
 
 
-namespace KAFKA_API::clients::admin {
+namespace KAFKA_API {
+namespace clients {
+namespace admin {
 
 /**
  * Configuration for the Kafka Consumer.
@@ -40,5 +42,7 @@ class Config: public Properties
     static const constexpr char* SASL_KERBEROS_SERVICE_NAME = "sasl.kerberos.service.name";
 };
 
+}
+}
 } // end of KAFKA_API::clients::admin
 

include/kafka/AdminCommon.h

@@ -6,7 +6,9 @@
 #include <kafka/Types.h>
 
 
-namespace KAFKA_API::clients::admin {
+namespace KAFKA_API {
+namespace clients {
+namespace admin {
 
 /**
  * The result of AdminClient::createTopics().
@@ -66,5 +68,7 @@ struct ListTopicsResult
     Topics topics;
 };
 
+}
+}
 } // end of KAFKA_API::clients::admin
 

include/kafka/ConsumerCommon.h

@@ -11,7 +11,9 @@
 #include <functional>
 
 
-namespace KAFKA_API::clients::consumer {
+namespace KAFKA_API {
+namespace clients {
+namespace consumer {
 
     /**
      * To identify which kind of re-balance event is handling, when the set of partitions assigned to the consumer changes.
@@ -61,5 +63,7 @@ namespace KAFKA_API::clients::consumer {
         rd_kafka_consumer_group_metadata_unique_ptr _rkConsumerGroupMetadata;
     };
 
+}
+}
 } // end of KAFKA_API::clients::consumer
 

include/kafka/ConsumerConfig.h

@@ -5,7 +5,9 @@
 #include <kafka/Properties.h>
 
 
-namespace KAFKA_API::clients::consumer {
+namespace KAFKA_API {
+namespace clients {
+namespace consumer {
 
 /**
  * Configuration for the Kafka Consumer.
@@ -111,5 +113,7 @@ class Config: public Properties
     static const constexpr char* SASL_KERBEROS_SERVICE_NAME = "sasl.kerberos.service.name";
 };
 
+}
+}
 } // end of KAFKA_API::clients::consumer
 

include/kafka/ConsumerRecord.h

@@ -12,7 +12,9 @@
 #include <sstream>
 
 
-namespace KAFKA_API::clients::consumer {
+namespace KAFKA_API {
+namespace clients {
+namespace consumer {
 
 /**
  * A key/value pair to be received from Kafka.
@@ -150,5 +152,7 @@ ConsumerRecord::toString() const
     return oss.str();
 }
 
+}
+}
 } // end of KAFKA_API::clients::consumer
 

include/kafka/KafkaClient.h

@@ -22,7 +22,8 @@
 #include <thread>
 
 
-namespace KAFKA_API::clients {
+namespace KAFKA_API {
+namespace clients {
 
 /**
  * The base class for Kafka clients.
@@ -623,5 +624,6 @@ KafkaClient::fetchBrokerMetadata(const std::string& topic, std::chrono::millisec
 }
 
 
+}
 } // end of KAFKA_API::clients
 

include/kafka/KafkaConsumer.h

@@ -17,7 +17,8 @@
 #include <memory>
 
 
-namespace KAFKA_API::clients {
+namespace KAFKA_API {
+namespace clients {
 
 /**
  * KafkaConsumer class.
@@ -1039,5 +1040,6 @@ KafkaConsumer::commitAsync(const consumer::OffsetCommitCallback& offsetCommitCal
     commitAsync(TopicPartitionOffsets(), offsetCommitCallback);
 }
 
+}
 } // end of KAFKA_API::clients
 

include/kafka/KafkaProducer.h

@@ -19,7 +19,8 @@
 #include <unordered_map>
 
 
-namespace KAFKA_API::clients {
+namespace KAFKA_API {
+namespace clients {
 
 /**
  * KafkaProducer class.
@@ -511,5 +512,6 @@ KafkaProducer::sendOffsetsToTransaction(const TopicPartitionOffsets&           t
     KAFKA_THROW_IF_WITH_ERROR(result);
 }
 
+}
 } // end of KAFKA_API::clients
 

include/kafka/ProducerCommon.h

@@ -13,7 +13,9 @@
 #include <memory>
 
 
-namespace KAFKA_API::clients::producer {
+namespace KAFKA_API {
+namespace clients {
+namespace producer {
 
 /**
  * The metadata for a record that has been acknowledged by the server.
@@ -181,5 +183,7 @@ class RecordMetadata
  */
 using Callback = std::function<void(const RecordMetadata& metadata, const Error& error)>;
 
+}
+}
 } // end of KAFKA_API::clients::producer