Class: Switchman::SchemaCache

Inherits:
ActiveRecord::ConnectionAdapters::SchemaCache
  • Object
show all
Defined in:
lib/switchman/schema_cache.rb

Constant Summary collapse

SHARED_IVS = 
%i{@columns @columns_hash @primary_keys @data_sources @indexes}.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(pool) ⇒ SchemaCache

Returns a new instance of SchemaCache.



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# File 'lib/switchman/schema_cache.rb', line 10

def initialize(pool)
  @pool = pool
  super(nil)
end

Instance Attribute Details

#pool ⇒ Object (readonly)

Returns the value of attribute pool.



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# File 'lib/switchman/schema_cache.rb', line 6

def pool
  @pool
end

Instance Method Details

#copy_references(other_cache) ⇒ Object 



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# File 'lib/switchman/schema_cache.rb', line 21

def copy_references(other_cache)
  # use the same cached values but still fall back to the correct pool
  SHARED_IVS.each do |iv|
    instance_variable_set(iv, other_cache.instance_variable_get(iv))
  end
end

#copy_values(other_cache) ⇒ Object 



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# File 'lib/switchman/schema_cache.rb', line 15

def copy_values(other_cache)
  SHARED_IVS.each do |iv|
    instance_variable_get(iv).replace(other_cache.instance_variable_get(iv))
  end
end