Class: Simple::Sharding::ConnectionHandler

Inherits:
Object
  • Object
show all
Defined in:
lib/simple/sharding/connection_handler.rb

Defined Under Namespace

Classes: ConnectionPoolOwner

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.connected?(shard_id) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/simple/sharding/connection_handler.rb', line 39

def self.connected?(shard_id)
  connection_handler.connected?(connection_pool_owner(shard_id))
end

.connection_handler ⇒ Object 



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# File 'lib/simple/sharding/connection_handler.rb', line 26

def self.connection_handler
  raise 'Shards::ConnectionHandler was not setup' unless defined? @@connection_handler
  @@connection_handler
end

.connection_pool(shard_id) ⇒ Object 



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# File 'lib/simple/sharding/connection_handler.rb', line 31

def self.connection_pool(shard_id)
  connection_handler.retrieve_connection_pool(connection_pool_owner(shard_id))
end

.connection_pool_owner(shard_id) ⇒ Object 



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# File 'lib/simple/sharding/connection_handler.rb', line 47

def self.connection_pool_owner(shard_id)
  @@connection_pool_owners[shard_id] ||= ConnectionPoolOwner.new(shard_id)
end

.remove_connection(shard_id) ⇒ Object 



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# File 'lib/simple/sharding/connection_handler.rb', line 43

def self.remove_connection(shard_id)
  connection_handler.remove_connection(connection_pool_owner(shard_id))
end

.retrie_connection(shard_id) ⇒ Object 



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# File 'lib/simple/sharding/connection_handler.rb', line 35

def self.retrie_connection(shard_id)
  connection_handler.retrieve_connection(connection_pool_owner(shard_id))
end

.setup ⇒ Object 



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# File 'lib/simple/sharding/connection_handler.rb', line 21

def self.setup
  @@connection_handler = ActiveRecord::ConnectionAdapters::ConnectionHandler.new
  @@connection_pool_owners = {}
end

Instance Method Details

#check(shard_id) ⇒ Object

check



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# File 'lib/simple/sharding/connection_handler.rb', line 4

def check(shard_id)
  shard_id.present?
end

#connect(shard_id) ⇒ Object 



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# File 'lib/simple/sharding/connection_handler.rb', line 15

def connect(shard_id)
  resolver = ActiveRecord::ConnectionAdapters::ConnectionSpecification::Resolver.new(Config.config(shard_id))
  connect_spec = resolver.spec(shard_id.to_sym)
  connect_spec
end

#connect_all ⇒ Object

establish all connection



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# File 'lib/simple/sharding/connection_handler.rb', line 9

def connect_all
  Core.config.keys.each do |shard_id|
    connect(shard_id)
  end
end