Class: Eternity::CollectionIndex

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/eternity/collection_index.rb

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ CollectionIndex

Returns a new instance of CollectionIndex.



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# File 'lib/eternity/collection_index.rb', line 7

def initialize(options)
  @index = Restruct::Hash.new options
end

Instance Method Details

#[](id) ⇒ Object 



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# File 'lib/eternity/collection_index.rb', line 19

def [](id)
  include?(id) ? Blob.new(:data, index[id]) : nil
end

#collection_name ⇒ Object 



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# File 'lib/eternity/collection_index.rb', line 11

def collection_name
  index.id.sections.last
end

#delete(id) ⇒ Object 



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# File 'lib/eternity/collection_index.rb', line 33

def delete(id)
  raise "#{collection_name.capitalize} #{id} not found" unless index.key? id
  index.delete id
end

#ids ⇒ Object 



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# File 'lib/eternity/collection_index.rb', line 38

def ids
  index.keys
end

#include?(id) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/eternity/collection_index.rb', line 15

def include?(id)
  index.key? id
end

#insert(id, data) ⇒ Object 



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# File 'lib/eternity/collection_index.rb', line 23

def insert(id, data)
  raise "#{collection_name.capitalize} #{id} already exists" if index.key? id
  index[id] = Blob.write :data, data
end

#update(id, data) ⇒ Object 



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# File 'lib/eternity/collection_index.rb', line 28

def update(id, data)
  raise "#{collection_name.capitalize} #{id} not found" unless index.key? id
  index[id] = Blob.write :data, data
end