/
pool_manager.rb
47 lines (39 loc) · 1.38 KB
/
pool_manager.rb
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# frozen_string_literal: true
module ActiveRecord
module ConnectionAdapters
class PoolManager # :nodoc:
def initialize
@name_to_role_mapping = Hash.new { |h, k| h[k] = {} }
end
def shard_names
@name_to_role_mapping.values.flat_map { |shard_map| shard_map.keys }
end
def role_names
@name_to_role_mapping.keys
end
def pool_configs(role = nil)
if role
@name_to_role_mapping[role].values
else
@name_to_role_mapping.flat_map { |_, shard_map| shard_map.values }
end
end
def remove_role(role)
@name_to_role_mapping.delete(role)
end
def remove_pool_config(role, shard)
@name_to_role_mapping[role].delete(shard)
end
def get_pool_config(role, shard)
@name_to_role_mapping[role][shard]
end
def set_pool_config(role, shard, pool_config)
if pool_config
@name_to_role_mapping[role][shard] = pool_config
else
raise ArgumentError, "The `pool_config` for the :#{role} role and :#{shard} shard was `nil`. Please check your configuration. If you want your writing role to be something other than `:writing` set `config.active_record.writing_role` in your application configuration. The same setting should be applied for the `reading_role` if applicable."
end
end
end
end
end