Class: Neo4j::Driver::Bolt::ProtocolVersionHandler

Inherits:
Object
  • Object
show all
Defined in:
lib/neo4j/driver/bolt/protocol_version_handler.rb

Overview

Factory for the per-minor protocol handler matching the negotiated wire version. Lookup is exact (major.minor) because the Bolt handshake only ever returns a version the server actually supports — so we don't need fuzzy matching.

Constant Summary collapse

HANDLERS = 
{
  BoltVersion::V6_1.to_i => Protocol::V61,
  BoltVersion::V6_0.to_i => Protocol::V6,
  BoltVersion::V5_8.to_i => Protocol::V58,
  BoltVersion::V5_7.to_i => Protocol::V57,
  BoltVersion::V5_6.to_i => Protocol::V56,
  BoltVersion::V5_5.to_i => Protocol::V55,
  BoltVersion::V5_4.to_i => Protocol::V54,
  BoltVersion::V5_3.to_i => Protocol::V53,
  BoltVersion::V5_2.to_i => Protocol::V52,
  BoltVersion::V5_1.to_i => Protocol::V51,
  BoltVersion::V5_0.to_i => Protocol::V5,
  BoltVersion::V4_4.to_i => Protocol::V44,
  BoltVersion::V4_3.to_i => Protocol::V43,
  BoltVersion::V4_2.to_i => Protocol::V4,
  BoltVersion::V3_0.to_i => Protocol::V3
}.freeze

Class Method Summary collapse

Class Method Details

.for_version(connection, version_int) ⇒ Object 



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# File 'lib/neo4j/driver/bolt/protocol_version_handler.rb', line 29

def self.for_version(connection, version_int)
  version = BoltVersion.from_int(version_int)
  klass = HANDLERS[version.to_i] ||
          raise(Exceptions::ServiceUnavailableException,
                "Unsupported Bolt protocol version: #{version}")
  klass.new(connection, version)
end