Class: FDB::Cluster

Inherits:
FormerFuture show all
Defined in:
lib/fdbimpl.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from FormerFuture

#block_until_ready, #on_ready, #ready?

Constructor Details

#initialize(cpointer) ⇒ Cluster

Returns a new instance of Cluster.



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# File 'lib/fdbimpl.rb', line 524

def initialize(cpointer)
  @cpointer = cpointer
  @options = ClusterOptions.new lambda { |code, param|
    FDBC.check_error FDBC.fdb_cluster_set_option(cpointer, code, param, param.nil? ? 0 : param.bytesize)
  }
  ObjectSpace.define_finalizer(self, self.class.finalize(@cpointer))
end

Instance Attribute Details

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/fdbimpl.rb', line 515

def options
  @options
end

Class Method Details

.finalize(ptr) ⇒ Object 



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# File 'lib/fdbimpl.rb', line 517

def self.finalize(ptr)
  proc do
    # puts "Destroying cluster #{ptr}"
    FDBC.fdb_cluster_destroy(ptr)
  end
end

Instance Method Details

#open_database(name = "DB") ⇒ Object 



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# File 'lib/fdbimpl.rb', line 532

def open_database(name="DB")
  f = FDBC.fdb_cluster_create_database(@cpointer, name, name.bytesize)
  dpointer = FFI::MemoryPointer.new :pointer
  FDBC.check_error FDBC.fdb_future_block_until_ready(f)
  FDBC.check_error FDBC.fdb_future_get_database(f, dpointer)
  Database.new dpointer.get_pointer(0)
end