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# Copyright (C) 2014-2017 MongoDB, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
module Mongo
class Error
# Raised when an invalid server preference is provided.
#
# @since 2.0.0
class InvalidServerPreference < Error
# Error message when tags are specified for a read preference that cannot support them.
#
# @since 2.4.0
NO_TAG_SUPPORT = 'This read preference cannot be combined with tags.'.freeze
# Error message when a max staleness is specified for a read preference that cannot support it.
#
# @since 2.4.0
NO_MAX_STALENESS_SUPPORT = 'max_staleness cannot be set for this read preference.'.freeze
# Error message for when the max staleness is not at least twice the heartbeat frequency.
#
# @since 2.4.0
INVALID_MAX_STALENESS = "`max_staleness` value is too small. It must be at least " +
"`ServerSelector::SMALLEST_MAX_STALENESS_SECONDS` and (the cluster's heartbeat_frequency " +
"setting + `Cluster::IDLE_WRITE_PERIOD_SECONDS`).".freeze
# Error message when max staleness cannot be used because one or more servers has version < 3.4.
#
# @since 2.4.0
NO_MAX_STALENESS_WITH_LEGACY_SERVER = 'max_staleness can only be set for a cluster in which ' +
'each server is at least version 3.4.'.freeze
# Instantiate the new exception.
#
# @example Instantiate the exception.
# Mongo::Error::InvalidServerPreference.new
#
# @param [ String ] message The error message.
#
# @since 2.0.0
def initialize(message)
super(message)
end
end
end
end
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