config.cpp

/*
 * Copyright (c) 2008-2021, Hazelcast, Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
/*
 * Copyright (c) 2008-2021, Hazelcast, Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include <atomic>
 
#include "hazelcast/client/client_config.h"
#include "hazelcast/client/serialization_config.h"
#include "hazelcast/client/config/ssl_config.h"
#include "hazelcast/util/Preconditions.h"
#include "hazelcast/client/config/client_flake_id_generator_config.h"
#include "hazelcast/client/exception/protocol_exceptions.h"
#include "hazelcast/client/internal/partition/strategy/StringPartitioningStrategy.h"
#include "hazelcast/client/address.h"
#include "hazelcast/client/config/client_network_config.h"
#include "hazelcast/client/config/client_aws_config.h"
#include "hazelcast/client/config/reliable_topic_config.h"
#include "hazelcast/client/config/client_connection_strategy_config.h"
#include "hazelcast/client/config/logger_config.h"
#include "hazelcast/client/config/index_config.h"
#include "hazelcast/client/config/matcher/matching_point_config_pattern_matcher.h"
#include "hazelcast/client/query/predicates.h"
#include "hazelcast/client/lifecycle_listener.h"
#include "hazelcast/client/config/eviction_strategy_type.h"
#include "hazelcast/client/cluster.h"
#include "hazelcast/client/initial_membership_event.h"
 
namespace hazelcast {
    namespace client {
        serialization_config::serialization_config() : version_(0) {
        }
 
        int serialization_config::get_portable_version() const {
            return version_;
        }
 
        serialization_config &serialization_config::set_portable_version(int v) {
            this->version_ = v;
            return *this;
        }
 
        std::shared_ptr<serialization::global_serializer> serialization_config::get_global_serializer() const {
            return global_serializer_;
        }
 
        serialization_config &serialization_config::set_global_serializer(
                const std::shared_ptr<serialization::global_serializer> &global_serializer) {
            global_serializer_ = global_serializer;
            return *this;
        }
 
        serialization_config &serialization_config::set_byte_order(boost::endian::order byte_order) {
            byte_order_ = byte_order;
            return *this;
        }
 
        boost::endian::order serialization_config::get_byte_order() const {
            return byte_order_;
        }
 
        namespace config {
            ssl_config::ssl_config()
#ifdef HZ_BUILD_WITH_SSL
            : enabled_(false), ssl_protocol_(tlsv12)
#endif
            {}
 
#ifdef HZ_BUILD_WITH_SSL
            ssl_config &ssl_config::set_context(boost::asio::ssl::context ctx) {
                util::Preconditions::check_ssl("ssl_config::set_context");
                if (enabled_) {
                    throw exception::illegal_argument(
                            "You should either use the deprecated methods or this method to enable ssl. You already used the deprecated way.");
                }
                ssl_context_ = std::make_shared<boost::asio::ssl::context>(std::move(ctx));
                return *this;
            }
 
            bool ssl_config::is_enabled() const {
                return ssl_context_ || enabled_;
            }
 
            ssl_config &ssl_config::set_enabled(bool is_enabled) {
                util::Preconditions::check_ssl("ssl_config::set_enabled");
                check_context_enabled_already();
                this->enabled_ = is_enabled;
                return *this;
            }
 
            void ssl_config::check_context_enabled_already() const {
                if (ssl_context_) {
                    throw exception::illegal_argument("You should either use set_context or this method.");
                }
            }
 
            ssl_config &ssl_config::set_protocol(ssl_protocol protocol) {
                check_context_enabled_already();
                this->ssl_protocol_ = protocol;
                return *this;
            }
 
            ssl_protocol ssl_config::get_protocol() const {
                check_context_enabled_already();
                return ssl_protocol_;
            }
 
            const std::vector<std::string> &ssl_config::get_verify_files() const {
                check_context_enabled_already();
                return client_verify_files_;
            }
 
            ssl_config &ssl_config::add_verify_file(const std::string &filename) {
                check_context_enabled_already();
                this->client_verify_files_.push_back(filename);
                return *this;
            }
 
            const std::string &ssl_config::get_cipher_list() const {
                return cipher_list_;
            }
 
            ssl_config &ssl_config::set_cipher_list(const std::string &ciphers) {
                this->cipher_list_ = ciphers;
                return *this;
            }
#endif
 
            constexpr int64_t client_flake_id_generator_config::DEFAULT_PREFETCH_VALIDITY_MILLIS;
 
            client_flake_id_generator_config::client_flake_id_generator_config(const std::string &name)
                    : name_(name), prefetch_count_(client_flake_id_generator_config::DEFAULT_PREFETCH_COUNT),
                      prefetch_validity_duration_(client_flake_id_generator_config::DEFAULT_PREFETCH_VALIDITY_MILLIS) {}
 
            const std::string &client_flake_id_generator_config::get_name() const {
                return name_;
            }
 
            client_flake_id_generator_config &client_flake_id_generator_config::set_name(const std::string &n) {
                client_flake_id_generator_config::name_ = n;
                return *this;
            }
 
            int32_t client_flake_id_generator_config::get_prefetch_count() const {
                return prefetch_count_;
            }
 
            client_flake_id_generator_config &client_flake_id_generator_config::set_prefetch_count(int32_t count) {
                std::ostringstream out;
                out << "prefetch-count must be 1.." << MAXIMUM_PREFETCH_COUNT << ", not " << count;
                util::Preconditions::check_true(count > 0 && count <= MAXIMUM_PREFETCH_COUNT, out.str());
                prefetch_count_ = count;
                return *this;
            }
 
            std::chrono::milliseconds client_flake_id_generator_config::get_prefetch_validity_duration() const {
                return prefetch_validity_duration_;
            }
 
            client_flake_id_generator_config &
            client_flake_id_generator_config::set_prefetch_validity_duration(std::chrono::milliseconds duration) {
                util::Preconditions::check_not_negative(duration.count(),
                                                        "duration must be nonnegative");
                prefetch_validity_duration_ = duration;
                return *this;
            }
 
            constexpr std::chrono::milliseconds connection_retry_config::INITIAL_BACKOFF;
            constexpr std::chrono::milliseconds connection_retry_config::MAX_BACKOFF;
            constexpr std::chrono::milliseconds connection_retry_config::CLUSTER_CONNECT_TIMEOUT;
            constexpr double connection_retry_config::JITTER;
 
            std::chrono::milliseconds connection_retry_config::get_initial_backoff_duration() const {
                return initial_backoff_duration_;
            }
 
            connection_retry_config &
            connection_retry_config::set_initial_backoff_duration(std::chrono::milliseconds initial_backoff_duration) {
                util::Preconditions::check_not_negative(initial_backoff_duration.count(),
                                                        "Initial backoff must be non-negative!");
                initial_backoff_duration_ = initial_backoff_duration;
                return *this;
            }
 
            std::chrono::milliseconds connection_retry_config::get_max_backoff_duration() const {
                return max_backoff_duration_;
            }
 
            connection_retry_config &
            connection_retry_config::set_max_backoff_duration(std::chrono::milliseconds max_backoff_duration) {
                util::Preconditions::check_not_negative(max_backoff_duration.count(),
                                                        "Max backoff must be non-negative!");
                max_backoff_duration_ = max_backoff_duration;
                return *this;
            }
 
            double connection_retry_config::get_multiplier() const {
                return multiplier_;
            }
 
            connection_retry_config &connection_retry_config::set_multiplier(double m) {
                util::Preconditions::check_true(m >= 1.0, "Multiplier must be greater than or equal to 1.0!");
                multiplier_ = m;
                return *this;
            }
 
            std::chrono::milliseconds connection_retry_config::get_cluster_connect_timeout() const {
                return cluster_connect_timeout_;
            }
 
            connection_retry_config &connection_retry_config::set_cluster_connect_timeout(
                    std::chrono::milliseconds cluster_connect_timeout) {
                util::Preconditions::check_not_negative(cluster_connect_timeout.count(),
                                                        "Cluster connect timeout must be non-negative!");
                cluster_connect_timeout_ = cluster_connect_timeout;
                return *this;
            }
 
            double connection_retry_config::get_jitter() const {
                return jitter_;
            }
 
            connection_retry_config &connection_retry_config::set_jitter(double jitter) {
                util::Preconditions::check_true(jitter >= 0.0 && jitter <= 1.0, "Jitter must be in range [0.0, 1.0]");
                jitter_ = jitter;
                return *this;
            }
 
            client_network_config::client_network_config()
                    : connection_timeout_(5000), smart_routing_(true) {}
 
            ssl_config &client_network_config::get_ssl_config() {
                return ssl_config_;
            }
 
            client_network_config &client_network_config::set_ssl_config(const config::ssl_config &config) {
                ssl_config_ = config;
                return *this;
            }
 
            std::chrono::milliseconds client_network_config::get_connection_timeout() const {
                return connection_timeout_;
            }
 
            client_network_config &client_network_config::set_aws_config(const client_aws_config &client_aws_config) {
                this->client_aws_config_ = client_aws_config;
                return *this;
            }
 
            client_aws_config &client_network_config::get_aws_config() {
                return client_aws_config_;
            }
 
            cloud_config &client_network_config::get_cloud_config() {
                return cloud_config_;
            }
 
            bool client_network_config::is_smart_routing() const {
                return smart_routing_;
            }
 
            client_network_config &client_network_config::set_smart_routing(bool smart_routing) {
                client_network_config::smart_routing_ = smart_routing;
                return *this;
            }
 
            std::vector<address> client_network_config::get_addresses() const {
                return address_list_;
            }
 
            client_network_config &client_network_config::add_addresses(const std::vector<address> &addresses) {
                address_list_.insert(address_list_.end(), addresses.begin(), addresses.end());
                return *this;
            }
 
            client_network_config &client_network_config::set_addresses(const std::vector<address> &addresses) {
                address_list_ = addresses;
                return *this;
            }
 
            client_network_config &client_network_config::add_address(const address &address) {
                address_list_.push_back(address);
                return *this;
            }
 
            socket_options &client_network_config::get_socket_options() {
                return socket_options_;
            }
 
            client_network_config &client_network_config::set_connection_timeout(const std::chrono::milliseconds &timeout) {
                connection_timeout_ = timeout;
                return *this;
            }
 
            client_connection_strategy_config::client_connection_strategy_config() : async_start_(false), reconnect_mode_(ON) {
            }
 
            client_connection_strategy_config::reconnect_mode client_connection_strategy_config::get_reconnect_mode() const {
                return reconnect_mode_;
            }
 
            bool client_connection_strategy_config::is_async_start() const {
                return async_start_;
            }
 
            client_connection_strategy_config &client_connection_strategy_config::set_async_start(bool async_start) {
                this->async_start_ = async_start;
                return *this;
            }
 
            client_connection_strategy_config &
            client_connection_strategy_config::set_reconnect_mode(reconnect_mode reconnect_mode) {
                this->reconnect_mode_ = reconnect_mode;
                return *this;
            }
 
            connection_retry_config &client_connection_strategy_config::get_retry_config() {
                return retry_config_;
            }
 
            client_connection_strategy_config &
            client_connection_strategy_config::set_retry_config(connection_retry_config retry_config) {
                retry_config_ = std::move(retry_config);
                return *this;
            }
 
            constexpr int reliable_topic_config::DEFAULT_READ_BATCH_SIZE;
 
            reliable_topic_config::reliable_topic_config() = default;
 
            reliable_topic_config::reliable_topic_config(std::string topic_name) : read_batch_size_(DEFAULT_READ_BATCH_SIZE),
 
                                                                                   name_(std::move(topic_name)) {
            }
 
            const std::string &reliable_topic_config::get_name() const {
                return name_;
            }
 
            int reliable_topic_config::get_read_batch_size() const {
                return read_batch_size_;
            }
 
            reliable_topic_config &reliable_topic_config::set_read_batch_size(int batch_size) {
                if (batch_size <= 0) {
                    BOOST_THROW_EXCEPTION(exception::illegal_argument("ReliableTopicConfig::setReadBatchSize",
                                                                              "readBatchSize should be positive"));
                }
 
                this->read_batch_size_ = batch_size;
 
                return *this;
            }
 
            socket_options::socket_options() : tcp_no_delay_(true), keep_alive_(true), reuse_address_(true), linger_seconds_(3),
                                               buffer_size_(DEFAULT_BUFFER_SIZE_BYTE) {}
 
            bool socket_options::is_tcp_no_delay() const {
                return tcp_no_delay_;
            }
 
            socket_options &socket_options::set_tcp_no_delay(bool tcp_no_delay) {
                socket_options::tcp_no_delay_ = tcp_no_delay;
                return *this;
            }
 
            bool socket_options::is_keep_alive() const {
                return keep_alive_;
            }
 
            socket_options &socket_options::set_keep_alive(bool keep_alive) {
                socket_options::keep_alive_ = keep_alive;
                return *this;
            }
 
            bool socket_options::is_reuse_address() const {
                return reuse_address_;
            }
 
            socket_options &socket_options::set_reuse_address(bool reuse_address) {
                socket_options::reuse_address_ = reuse_address;
                return *this;
            }
 
            int socket_options::get_linger_seconds() const {
                return linger_seconds_;
            }
 
            socket_options &socket_options::set_linger_seconds(int linger_seconds) {
                socket_options::linger_seconds_ = linger_seconds;
                return *this;
            }
 
            int socket_options::get_buffer_size_in_bytes() const {
                return buffer_size_;
            }
 
            socket_options &socket_options::set_buffer_size_in_bytes(int buffer_size) {
                socket_options::buffer_size_ = buffer_size;
                return *this;
            }
 
            client_aws_config::client_aws_config() : enabled_(false), region_("us-east-1"), host_header_("ec2.amazonaws.com"),
                                                     inside_aws_(false) {
            }
 
            const std::string &client_aws_config::get_access_key() const {
                return access_key_;
            }
 
            client_aws_config &client_aws_config::set_access_key(const std::string &access_key) {
                this->access_key_ = util::Preconditions::check_has_text(access_key, "accessKey must contain text");
                return *this;
            }
 
            const std::string &client_aws_config::get_secret_key() const {
                return secret_key_;
            }
 
            client_aws_config &client_aws_config::set_secret_key(const std::string &secret_key) {
                this->secret_key_ = util::Preconditions::check_has_text(secret_key, "secretKey must contain text");
                return *this;
            }
 
            const std::string &client_aws_config::get_region() const {
                return region_;
            }
 
            client_aws_config &client_aws_config::set_region(const std::string &region) {
                this->region_ = util::Preconditions::check_has_text(region, "region must contain text");
                return *this;
            }
 
            const std::string &client_aws_config::get_host_header() const {
                return host_header_;
            }
 
            client_aws_config &client_aws_config::set_host_header(const std::string &host_header) {
                this->host_header_ = util::Preconditions::check_has_text(host_header, "hostHeader must contain text");
                return *this;
            }
 
            client_aws_config &client_aws_config::set_enabled(bool enabled) {
                util::Preconditions::check_ssl("get_aws_config");
                this->enabled_ = enabled;
                return *this;
            }
 
            bool client_aws_config::is_enabled() const {
                return enabled_;
            }
 
            client_aws_config &client_aws_config::set_security_group_name(const std::string &security_group_name) {
                this->security_group_name_ = security_group_name;
                return *this;
            }
 
            const std::string &client_aws_config::get_security_group_name() const {
                return security_group_name_;
            }
 
            client_aws_config &client_aws_config::set_tag_key(const std::string &tag_key) {
                this->tag_key_ = tag_key;
                return *this;
            }
 
            const std::string &client_aws_config::get_tag_key() const {
                return tag_key_;
            }
 
            client_aws_config &client_aws_config::set_tag_value(const std::string &tag_value) {
                this->tag_value_ = tag_value;
                return *this;
            }
 
            const std::string &client_aws_config::get_tag_value() const {
                return tag_value_;
            }
 
            const std::string &client_aws_config::get_iam_role() const {
                return iam_role_;
            }
 
            client_aws_config &client_aws_config::set_iam_role(const std::string &iam_role) {
                this->iam_role_ = iam_role;
                return *this;
            }
 
            bool client_aws_config::is_inside_aws() const {
                return inside_aws_;
            }
 
            client_aws_config &client_aws_config::set_inside_aws(bool inside_aws) {
                this->inside_aws_ = inside_aws;
                return *this;
            }
 
            std::ostream &operator<<(std::ostream &out, const client_aws_config &config) {
                return out << "client_aws_config{"
                           << "enabled=" << config.is_enabled()
                           << ", region='" << config.get_region() << '\''
                           << ", securityGroupName='" << config.get_security_group_name() << '\''
                           << ", tagKey='" << config.get_tag_key() << '\''
                           << ", tagValue='" << config.get_tag_value() << '\''
                           << ", hostHeader='" << config.get_host_header() << '\''
                           << ", iamRole='" << config.get_iam_role() << "\'}";
            }
 
            namespace matcher {
                std::shared_ptr<std::string>
                matching_point_config_pattern_matcher::matches(const std::vector<std::string> &config_patterns,
                                                               const std::string &item_name) const {
                    std::shared_ptr<std::string> candidate;
                    std::shared_ptr<std::string> duplicate;
                    int lastMatchingPoint = -1;
                    for (const std::string &pattern  : config_patterns) {
                        int matchingPoint = get_matching_point(pattern, item_name);
                        if (matchingPoint > -1 && matchingPoint >= lastMatchingPoint) {
                            if (matchingPoint == lastMatchingPoint) {
                                duplicate = candidate;
                            } else {
                                duplicate.reset();
                            }
                            lastMatchingPoint = matchingPoint;
                            candidate.reset(new std::string(pattern));
                        }
                    }
                    if (duplicate.get() != NULL) {
                        throw (exception::exception_builder<exception::invalid_configuration>(
                                "MatchingPointConfigPatternMatcher::matches") << "Configuration " << item_name
                                                                              << " has duplicate configuration. Candidate:"
                                                                              << *candidate << ", duplicate:"
                                                                              << *duplicate).build();
                    }
                    return candidate;
                }
 
                int matching_point_config_pattern_matcher::get_matching_point(const std::string &pattern,
                                                                              const std::string &item_name) const {
                    size_t index = pattern.find('*');
                    if (index == std::string::npos) {
                        return -1;
                    }
 
                    std::string firstPart = pattern.substr(0, index);
                    if (item_name.find(firstPart) != 0) {
                        return -1;
                    }
 
                    std::string secondPart = pattern.substr(index + 1);
                    if (item_name.rfind(secondPart) != (item_name.length() - secondPart.length())) {
                        return -1;
                    }
 
                    return (int) (firstPart.length() + secondPart.length());
                }
            }
 
            const std::string index_config::bitmap_index_options::DEFAULT_KEY = query::query_constants::KEY_ATTRIBUTE_NAME;
            const index_config::bitmap_index_options::unique_key_transformation index_config::bitmap_index_options::DEFAULT_TRANSFORMATION = index_config::bitmap_index_options::unique_key_transformation::OBJECT;
 
            index_config::bitmap_index_options::bitmap_index_options() : key(DEFAULT_KEY),
                                                                         transformation(DEFAULT_TRANSFORMATION) {}
 
            const index_config::index_type index_config::DEFAULT_TYPE = index_config::index_type::SORTED;
 
            index_config::index_config() : type(DEFAULT_TYPE) {}
 
            index_config::index_config(index_config::index_type type) : type(type) {}
 
            void index_config::add_attributes() {}
 
            eviction_config::eviction_config() : size_(DEFAULT_MAX_ENTRY_COUNT), max_size_policy_(DEFAULT_MAX_SIZE_POLICY),
                                                 eviction_policy_(DEFAULT_EVICTION_POLICY) {}
 
            int32_t eviction_config::get_size() const {
                return size_;
            }
 
            eviction_config &eviction_config::set_size(int32_t size) {
                this->size_ = util::Preconditions::check_positive(size, "Size must be positive number!");
                return *this;
            }
 
            eviction_config::max_size_policy eviction_config::get_maximum_size_policy() const {
                return max_size_policy_;
            }
 
            eviction_config &eviction_config::set_maximum_size_policy(const eviction_config::max_size_policy &max_size_policy) {
                this->max_size_policy_ = max_size_policy;
                return *this;
            }
 
            eviction_policy eviction_config::get_eviction_policy() const {
                return eviction_policy_;
            }
 
            eviction_config &eviction_config::set_eviction_policy(eviction_policy policy) {
                this->eviction_policy_ = policy;
                return *this;
            }
 
            eviction_strategy_type eviction_config::get_eviction_strategy_type() const {
                // TODO: add support for other/custom eviction strategies
                return eviction_strategy_type::DEFAULT_EVICTION_STRATEGY;
            }
 
            std::ostream &operator<<(std::ostream &out, const eviction_config &config) {
                out << "EvictionConfig{"
                    << "size=" << config.get_size()
                    << ", maxSizePolicy=" << config.get_maximum_size_policy()
                    << ", evictionPolicy=" << config.get_eviction_policy()
                    << '}';
 
                return out;
            }
 
            near_cache_config::near_cache_config() : name_("default"), time_to_live_seconds_(DEFAULT_TTL_SECONDS),
                                                 max_idle_seconds_(DEFAULT_MAX_IDLE_SECONDS),
                                                 in_memory_format_(DEFAULT_MEMORY_FORMAT),
                                                 local_update_policy_(INVALIDATE), invalidate_on_change_(true),
                                                 cache_local_entries_(false) {
            }
 
            near_cache_config::near_cache_config(const std::string &cache_name) : near_cache_config() {
                name_ = cache_name;
            }
 
            near_cache_config::near_cache_config(const std::string &cache_name, in_memory_format memory_format)
                    : near_cache_config(name_) {
                this->in_memory_format_ = memory_format;
            }
 
            near_cache_config::near_cache_config(int32_t time_to_live_seconds, int32_t max_idle_seconds, bool invalidate_on_change,
                                             in_memory_format in_memory_format, const eviction_config &evict_config)
                    : near_cache_config(name_, in_memory_format) {
                this->time_to_live_seconds_ = time_to_live_seconds;
                this->max_idle_seconds_ = max_idle_seconds;
                this->invalidate_on_change_ = invalidate_on_change;
                this->eviction_config_ = evict_config;
            }
 
            const std::string &near_cache_config::get_name() const {
                return name_;
            }
 
            near_cache_config &near_cache_config::set_name(const std::string &name) {
                this->name_ = name;
                return *this;
            }
 
            int32_t near_cache_config::get_time_to_live_seconds() const {
                return time_to_live_seconds_;
            }
 
            near_cache_config &near_cache_config::set_time_to_live_seconds(int32_t time_to_live_seconds) {
                this->time_to_live_seconds_ = util::Preconditions::check_not_negative(time_to_live_seconds,
                                                                                "TTL seconds cannot be negative!");
                return *this;
            }
 
            int32_t near_cache_config::get_max_idle_seconds() const {
                return max_idle_seconds_;
            }
 
            near_cache_config &near_cache_config::set_max_idle_seconds(int32_t max_idle_seconds) {
                this->max_idle_seconds_ = util::Preconditions::check_not_negative(max_idle_seconds,
                                                                             "Max-Idle seconds cannot be negative!");
                return *this;
            }
 
            bool near_cache_config::is_invalidate_on_change() const {
                return invalidate_on_change_;
            }
 
            near_cache_config &near_cache_config::set_invalidate_on_change(bool invalidate_on_change) {
                this->invalidate_on_change_ = invalidate_on_change;
                return *this;
            }
 
            const in_memory_format &near_cache_config::get_in_memory_format() const {
                return in_memory_format_;
            }
 
            near_cache_config &near_cache_config::set_in_memory_format(const in_memory_format &in_memory_format) {
                this->in_memory_format_ = in_memory_format;
                return *this;
            }
 
            bool near_cache_config::is_cache_local_entries() const {
                return cache_local_entries_;
            }
 
            near_cache_config &near_cache_config::set_cache_local_entries(bool cache_local_entries) {
                this->cache_local_entries_ = cache_local_entries;
                return *this;
            }
 
            const near_cache_config::local_update_policy &near_cache_config::get_local_update_policy() const {
                return local_update_policy_;
            }
 
            near_cache_config &near_cache_config::set_local_update_policy(const local_update_policy &local_update_policy) {
                this->local_update_policy_ = local_update_policy;
                return *this;
            }
 
            eviction_config &near_cache_config::get_eviction_config() {
                return eviction_config_;
            }
 
            near_cache_config &near_cache_config::set_eviction_config(const eviction_config &eviction_config) {
                this->eviction_config_ = eviction_config;
                return *this;
            }
 
            int32_t near_cache_config::calculate_max_size(int32_t max_size) {
                return (max_size == 0) ? INT32_MAX : util::Preconditions::check_not_negative(max_size,
                                                                                          "Max-size cannot be negative!");
            }
 
            std::ostream &operator<<(std::ostream &out, const near_cache_config &config) {
                out << "NearCacheConfig{"
                    << "timeToLiveSeconds=" << config.time_to_live_seconds_
                    << ", maxIdleSeconds=" << config.max_idle_seconds_
                    << ", invalidateOnChange=" << config.invalidate_on_change_
                    << ", inMemoryFormat=" << config.in_memory_format_
                    << ", cacheLocalEntries=" << config.cache_local_entries_
                    << ", localUpdatePolicy=" << config.local_update_policy_
                    << config.eviction_config_;
                out << '}';
 
                return out;
            }
        }
 
        client_config::client_config() : cluster_name_("dev"), redo_operation_(false),
                                       socket_interceptor_(), executor_pool_size_(-1) {}
 
        client_config::client_config(client_config &&rhs) = default;
 
        client_config &client_config::operator=(client_config &&rhs) = default;
 
        client_config &client_config::set_redo_operation(bool redo_operation) {
            this->redo_operation_ = redo_operation;
            return *this;
        }
 
        bool client_config::is_redo_operation() const {
            return redo_operation_;
        }
 
        load_balancer &client_config::get_load_balancer() {
            if (!load_balancer_) {
                auto index = std::make_shared<std::atomic<size_t>>(0);
                load_balancer_ = load_balancer().next([=](cluster &c) {
                    auto members = c.get_members();
                    if (members.empty()) {
                        return boost::optional<member>();
                    }
                    auto i = index->fetch_add(1);
                    return boost::make_optional(std::move(members[i % members.size()]));
                });
            }
            return *load_balancer_;
        }
 
        client_config &client_config::set_load_balancer(load_balancer &&load_balancer) {
            this->load_balancer_ = std::move(load_balancer);
            return *this;
        }
 
        config::logger_config &client_config::get_logger_config() {
            return logger_config_;
        }
 
        client_config &client_config::add_listener(lifecycle_listener &&listener) {
            lifecycle_listeners_.emplace_back(std::move(listener));
            return *this;
        }
 
        client_config &client_config::add_listener(membership_listener &&listener) {
            membership_listeners_.emplace_back(std::move(listener));
            return *this;
        }
 
        const std::vector<lifecycle_listener> &client_config::get_lifecycle_listeners() const {
            return lifecycle_listeners_;
        }
 
        const std::vector<membership_listener> &client_config::get_membership_listeners() const {
            return membership_listeners_;
        }
 
        client_config &client_config::set_socket_interceptor(socket_interceptor &&interceptor) {
            this->socket_interceptor_ = std::move(interceptor);
            return *this;
        }
 
        const socket_interceptor &client_config::get_socket_interceptor() const {
            return socket_interceptor_;
        }
 
        serialization_config &client_config::get_serialization_config() {
            return serialization_config_;
        }
 
        client_config &client_config::set_serialization_config(serialization_config const &serialization_config) {
            this->serialization_config_ = serialization_config;
            return *this;
        }
 
        const std::unordered_map<std::string, std::string> &client_config::get_properties() const {
            return properties_;
        }
 
        client_config &client_config::set_property(const std::string &name, const std::string &value) {
            properties_[name] = value;
            return *this;
        }
 
        client_config &client_config::add_reliable_topic_config(const config::reliable_topic_config &reliable_topic_config) {
            reliable_topic_config_map_[reliable_topic_config.get_name()] = reliable_topic_config;
            return *this;
        }
 
        const config::reliable_topic_config &client_config::get_reliable_topic_config(const std::string &name) {
            auto it = reliable_topic_config_map_.find(name);
            if (it != reliable_topic_config_map_.end()) {
                return it->second;
            }
 
            return reliable_topic_config_map_.emplace(name, name).first->second;
        }
 
        const config::reliable_topic_config *client_config::lookup_reliable_topic_config(const std::string &name) const {
            auto it = reliable_topic_config_map_.find(name);
            if (it != reliable_topic_config_map_.end()) {
                return &it->second;
            }
 
            return nullptr;
        }
 
        config::client_network_config &client_config::get_network_config() {
            return network_config_;
        }
 
        client_config &client_config::add_near_cache_config(const config::near_cache_config &near_cache_config) {
            near_cache_config_map_.emplace(near_cache_config.get_name(), near_cache_config);
            return *this;
        }
 
        const config::near_cache_config *client_config::get_near_cache_config(const std::string &name) const {
            auto nearCacheConfig = internal::config::ConfigUtils::lookup_by_pattern(
                    config_pattern_matcher_, near_cache_config_map_, name);
            if (nearCacheConfig) {
                return nearCacheConfig;
            }
 
            auto config_it = near_cache_config_map_.find("default");
            if (config_it != near_cache_config_map_.end()) {
                return &near_cache_config_map_.find("default")->second;
            }
 
            // not needed for c++ client since it is always native memory
            //initDefaultMaxSizeForOnHeapMaps(nearCacheConfig);
            return nullptr;
        }
 
        client_config &client_config::set_network_config(const config::client_network_config &network_config) {
            this->network_config_ = network_config;
            return *this;
        }
 
        const boost::optional<std::string> &client_config::get_instance_name() const {
            return instance_name_;
        }
 
        client_config &client_config::set_instance_name(const std::string &instance_name) {
            client_config::instance_name_ = instance_name;
            return *this;
        }
 
        int32_t client_config::get_executor_pool_size() const {
            return executor_pool_size_;
        }
 
        void client_config::set_executor_pool_size(int32_t executor_pool_size) {
            client_config::executor_pool_size_ = executor_pool_size;
        }
 
        config::client_connection_strategy_config &client_config::get_connection_strategy_config() {
            return connection_strategy_config_;
        }
 
        client_config &client_config::set_connection_strategy_config(
                const config::client_connection_strategy_config &connection_strategy_config) {
            client_config::connection_strategy_config_ = connection_strategy_config;
            return *this;
        }
 
        const config::client_flake_id_generator_config *
        client_config::find_flake_id_generator_config(const std::string &name) {
            std::string baseName = internal::partition::strategy::StringPartitioningStrategy::get_base_name(name);
            auto config = internal::config::ConfigUtils::lookup_by_pattern<config::client_flake_id_generator_config>(
                    config_pattern_matcher_, flake_id_generator_config_map_, baseName);
            if (config) {
                return config;
            }
            return get_flake_id_generator_config("default");
        }
 
 
        const config::client_flake_id_generator_config *
        client_config::get_flake_id_generator_config(const std::string &name) {
            std::string baseName = internal::partition::strategy::StringPartitioningStrategy::get_base_name(name);
            auto config = internal::config::ConfigUtils::lookup_by_pattern<config::client_flake_id_generator_config>(
                    config_pattern_matcher_, flake_id_generator_config_map_, baseName);
            if (config) {
                return config;
            }
            auto defConfig = flake_id_generator_config_map_.find("default");
            if (defConfig == flake_id_generator_config_map_.end()) {
                flake_id_generator_config_map_.emplace("default", config::client_flake_id_generator_config("default"));
            }
            defConfig = flake_id_generator_config_map_.find("default");
            config::client_flake_id_generator_config new_config = defConfig->second;
            new_config.set_name(name);
            flake_id_generator_config_map_.emplace(name, std::move(new_config));
            return &flake_id_generator_config_map_.find(name)->second;
        }
 
        client_config &
        client_config::add_flake_id_generator_config(const config::client_flake_id_generator_config &config) {
            flake_id_generator_config_map_.emplace(config.get_name(), config);
            return *this;
        }
 
        const std::string &client_config::get_cluster_name() const {
            return cluster_name_;
        }
 
        client_config &client_config::set_cluster_name(const std::string &cluster_name) {
            cluster_name_ = cluster_name;
            return *this;
        }
 
        const std::unordered_set<std::string> &client_config::get_labels() const {
            return labels_;
        }
 
        client_config &client_config::set_labels(const std::unordered_set<std::string> &labels) {
            labels_ = labels;
            return *this;
        }
 
        client_config &client_config::add_label(const std::string &label) {
            labels_.insert(label);
            return *this;
        }
 
        client_config &client_config::backup_acks_enabled(bool enabled) {
            backup_acks_enabled_ = enabled;
            return *this;
        }
 
        bool client_config::backup_acks_enabled() {
            return backup_acks_enabled_;
        }
 
        const std::shared_ptr<security::credentials> &client_config::get_credentials() const {
            return credentials_;
        }
 
        client_config &client_config::set_credentials(const std::shared_ptr<security::credentials> &credential) {
            credentials_ = credential;
            return *this;
        }
 
        namespace security {
            username_password_credentials::username_password_credentials(const std::string &name,
                                                                         const std::string &password) : credentials(name),
                                                                                                        password_(password) {}
 
            const std::string &username_password_credentials::password() const {
                return password_;
            }
 
            const credentials::credential_type username_password_credentials::type() const {
                return credentials::credential_type::username_password;
            }
 
            const std::vector<byte> &token_credentials::token() const {
                return token_;
            }
 
            const credentials::credential_type token_credentials::type() const {
                return credentials::credential_type::token;
            }
 
            token_credentials::token_credentials(const std::vector<byte> &token) : credentials(
                    token.empty() ? "<empty>" : "<token>"), token_(token) {}
 
            credentials::~credentials() {}
 
            const std::string &credentials::name() const {
                return name_;
            }
 
            credentials::credentials(const std::string &name) : name_(name) {}
        }
    }
}