Class: Blobby::CompositeStore

Inherits:
Object
  • Object
show all
Defined in:
lib/blobby/composite_store.rb

Overview

Compose a number of stores.

Writes go to all stores. Reads use the first store to respond.

Defined Under Namespace

Classes: StoredObject

Instance Method Summary collapse

Constructor Details

#initialize(stores) ⇒ CompositeStore

Returns a new instance of CompositeStore.



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# File 'lib/blobby/composite_store.rb', line 9

def initialize(stores)
  @stores = stores
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/blobby/composite_store.rb', line 13

def [](key)
  KeyConstraint.must_allow!(key)
  objects = stores.map { |store| store[key] }
  StoredObject.new(objects)
end

#available? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/blobby/composite_store.rb', line 19

def available?
  stores.all?(&:available?)
end