Class: Anemone::Storage::PStore

Inherits:

Object

• Object
• Anemone::Storage::PStore

show all

Extended by:

Forwardable

Defined in:

lib/anemone/storage/pstore.rb

Instance Method Summary (collapse)

• - (Object) [](key)
• - (Object) []=(key, value)
• - (Object) close
• - (Object) delete(key)
• - (Object) each
• - (PStore) initialize(file) constructor

  A new instance of PStore.

• - (Object) merge!(hash)

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# File 'lib/anemone/storage/pstore.rb', line 11

def initialize(file)
  File.delete(file) if File.exists?(file)
  @store = ::PStore.new(file)
  @keys = {}
end

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# File 'lib/anemone/storage/pstore.rb', line 17

def [](key)
  @store.transaction { |s| s[key] }
end

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# File 'lib/anemone/storage/pstore.rb', line 21

def []=(key,value)
  @keys[key] = nil
  @store.transaction { |s| s[key] = value }
end

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# File 'lib/anemone/storage/pstore.rb', line 46

def close; end

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# File 'lib/anemone/storage/pstore.rb', line 26

def delete(key)
  @keys.delete(key)
  @store.transaction { |s| s.delete key}
end

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# File 'lib/anemone/storage/pstore.rb', line 31

def each
  @keys.each_key do |key|
    value = nil
    @store.transaction { |s| value = s[key] }
    yield key, value
  end
end

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# File 'lib/anemone/storage/pstore.rb', line 39

def merge!(hash)
  @store.transaction do |s|
    hash.each { |key, value| s[key] = value; @keys[key] = nil }
  end
  self
end