Class: Aerospike::TouchCommand

Inherits:
SingleCommand show all
Defined in:
lib/aerospike/command/touch_command.rb

Overview

:nodoc:

Instance Method Summary collapse

Methods inherited from Command

#execute, #set_delete, #set_exists, #set_operate, #set_query, #set_read, #set_read_for_key_only, #set_read_header, #set_scan, #set_touch, #set_udf, #set_write, #write_bins

Constructor Details

#initialize(cluster, policy, key) ⇒ TouchCommand

Returns a new instance of TouchCommand.

[View source]

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# File 'lib/aerospike/command/touch_command.rb', line 25

def initialize(cluster, policy, key)
  super(cluster, key)

  @policy = policy

  self
end

Instance Method Details

#get_node ⇒ Object

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# File 'lib/aerospike/command/touch_command.rb', line 33

def get_node
  @cluster.master_node(@partition)
end

#parse_result ⇒ Object

Raises:

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# File 'lib/aerospike/command/touch_command.rb', line 41

def parse_result
  # Read header.
  begin
    @conn.read(@data_buffer, 8)
  rescue => e
    Aerospike.logger.error("parse result error: #{e}")
    raise e
  end

  # inflate if compressed
  compressed_sz = compressed_size
  if compressed_sz
    begin
      #waste 8 size bytes
      @conn.read(@data_buffer, 8)

      # read compressed message
      @conn.read(@data_buffer, sz - 8)

      # inflate the results
      # TODO: reuse the current buffer
      uncompressed = Zlib.inflate(@data_buffer.buf)

      @data_buffer = Buffer.new(-1, uncompressed)
    rescue => e
      Aerospike.logger.error("parse result error: #{e}")
      raise e
    end
  else
    begin
      bytes_read = @conn.read(@data_buffer, MSG_TOTAL_HEADER_SIZE - 8, 8)
    rescue => e
      Aerospike.logger.error("parse result error: #{e}")
      raise e
    end
  end

  result_code = @data_buffer.read(13).ord & 0xFF

  return if result_code == 0

  if result_code == Aerospike::ResultCode::FILTERED_OUT
    if @policy.fail_on_filtered_out
      raise Aerospike::Exceptions::Aerospike.new(result_code, nil, [@node])
    end
    return
  end

  raise Aerospike::Exceptions::Aerospike.new(result_code, nil, [@node])
end

#write_buffer ⇒ Object

[View source]

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# File 'lib/aerospike/command/touch_command.rb', line 37

def write_buffer
  set_touch(@policy, @key)
end