Class: Hyperion::Memory

Inherits:
Object
  • Object
show all
Defined in:
lib/hyperion/memory.rb

Instance Method Summary collapse

Constructor Details

#initialize(opts = {}) ⇒ Memory

Returns a new instance of Memory.



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# File 'lib/hyperion/memory.rb', line 7

def initialize(opts={})
  @store = {}
end

Instance Method Details

#count(query) ⇒ Object 



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# File 'lib/hyperion/memory.rb', line 47

def count(query)
  find(query).length
end

#delete(query) ⇒ Object 



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# File 'lib/hyperion/memory.rb', line 39

def delete(query)
  records = find(query)
  store.delete_if do |key, record|
    records.include?(record)
  end
  nil
end

#delete_by_key(key) ⇒ Object 



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# File 'lib/hyperion/memory.rb', line 34

def delete_by_key(key)
  store.delete(key)
  nil
end

#find(query) ⇒ Object 



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# File 'lib/hyperion/memory.rb', line 24

def find(query)
  records = store.values
  records = filter_kind(query.kind,      records)
  records = apply_filters(query.filters, records)
  records = apply_sorts(query.sorts,     records)
  records = apply_offset(query.offset,   records)
  records = apply_limit(query.limit,     records)
  records
end

#find_by_key(key) ⇒ Object 



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# File 'lib/hyperion/memory.rb', line 20

def find_by_key(key)
  store[key]
end

#pack_key(kind, key) ⇒ Object 



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# File 'lib/hyperion/memory.rb', line 51

def pack_key(kind, key)
  key
end

#save(records) ⇒ Object 



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# File 'lib/hyperion/memory.rb', line 11

def save(records)
  records.map do |record|
    key = Hyperion.new?(record) ? generate_key : record[:key]
    record[:key] = key
    store[key] = record
    record
  end
end

#unpack_key(kind, key) ⇒ Object 



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# File 'lib/hyperion/memory.rb', line 55

def unpack_key(kind, key)
  key
end