class Mongo::ServerSelector::Primary
Encapsulates specifications for selecting the primary server given a list
of candidates.
@since 2.0.0
Public Instance Methods
name()
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Get the name of the server mode type.
@example Get the name of the server mode for this preference.
preference.name
@return [ Symbol ] :primary
@since 2.0.0
# File lib/mongo/server_selector/primary.rb, line 34 def name :primary end
slave_ok?()
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Whether the slaveOk bit should be set on wire protocol messages.
I.e. whether the operation can be performed on a secondary server.
@return [ false ] false
@since 2.0.0
# File lib/mongo/server_selector/primary.rb, line 44 def slave_ok? false end
to_mongos()
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Convert this server preference definition into a format appropriate
for a mongos server.
@example Convert this server preference definition into a format
for mongos. preference = Mongo::ServerSelector::Primary.new preference.to_mongos
@return [ nil ] nil
@since 2.0.0
# File lib/mongo/server_selector/primary.rb, line 68 def to_mongos nil end
Private Instance Methods
max_staleness_allowed?()
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# File lib/mongo/server_selector/primary.rb, line 87 def max_staleness_allowed? false end
select(candidates)
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Select the primary server from a list of candidates.
@example Select the primary server given a list of candidates.
preference = Mongo::ServerSelector::Primary.new preference.select([candidate_1, candidate_2])
@return [ Array ] The primary server from the list of candidates.
@since 2.0.0
# File lib/mongo/server_selector/primary.rb, line 83 def select(candidates) primary(candidates) end