Class: RocksDB::DB

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/rocksdb.rb

Constant Summary collapse

@@cache = 
{}

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ DB

Returns a new instance of DB.



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# File 'lib/rocksdb.rb', line 26

def initialize *args
  readonly = !!(args[1] && args[1][:readonly])
  @key = args[0]
  if !readonly and @@cache[@key]
    __initialize2(*args)
    raise DBError.new("error #{@key.to_s} alread open")
  end
  __initialize(*args)
  unless readonly
    @@cache[@key] = self
  end
end

Class Method Details

.get_instance(*args) ⇒ Object 



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# File 'lib/rocksdb.rb', line 12

def get_instance *args
  readonly = !!(args[1] && args[1][:readonly])
  key = args[0]
  
  if readonly
    return new(*args)
  end
  unless @@cache[key]
    @@cache[key] = new(*args)
  end
  @@cache[key]
end

Instance Method Details

#close ⇒ Object Also known as: close! 



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# File 'lib/rocksdb.rb', line 39

def close
  @@cache.delete(@key)
  __close
end

#each(&block) ⇒ Object 



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# File 'lib/rocksdb.rb', line 51

def each(&block)
  if block_given?
    self.each_with_index do |key, value|
      block.call(value)
    end
  else
    self.iterator
  end
end