Class: Sequel::SchemaSharding::Configuration

Inherits:
Object
  • Object
show all
Defined in:
lib/sequel/schema-sharding/configuration.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(env, yaml_path) ⇒ Configuration

Returns a new instance of Configuration.



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# File 'lib/sequel/schema-sharding/configuration.rb', line 8

def initialize(env, yaml_path)
  @env = env
  @yaml_path = yaml_path
end

Instance Attribute Details

#env ⇒ Object (readonly)

Returns the value of attribute env.



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# File 'lib/sequel/schema-sharding/configuration.rb', line 6

def env
  @env
end

#yaml_path ⇒ Object (readonly)

Returns the value of attribute yaml_path.



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# File 'lib/sequel/schema-sharding/configuration.rb', line 6

def yaml_path
  @yaml_path
end

Instance Method Details

#logical_shard_configs(table_name) ⇒ Object 



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# File 'lib/sequel/schema-sharding/configuration.rb', line 20

def logical_shard_configs(table_name)
  table_name = table_name.to_s
  @logical_shard_table_configs ||= {}
  @logical_shard_table_configs[table_name] ||= begin
    table_configs = config['tables'][table_name]
    raise "Unknown table #{table_name} in configuration" if table_configs.nil?
    table_configs['logical_shards'].inject({}) do |hash, value|
      eval(value[0]).each do |i|
        hash[i] = value[1]
      end
      hash
    end
  end
end

#physical_shard_configs ⇒ Object 



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# File 'lib/sequel/schema-sharding/configuration.rb', line 13

def physical_shard_configs
  @physical_shard_configs ||= config['physical_shards'].inject({}) do |hash, value|
    hash[value[0]] = config['common'].merge(value[1])
    hash
  end
end

#schema_name(table_name) ⇒ Object 



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# File 'lib/sequel/schema-sharding/configuration.rb', line 39

def schema_name(table_name)
  config['tables'][table_name.to_s]['schema_name']
end

#table_names ⇒ Object 



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# File 'lib/sequel/schema-sharding/configuration.rb', line 35

def table_names
  config['tables'].keys
end