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Contents
module RedisFailover
# Base class for all RedisFailover errors.
class Error < StandardError
end
# Raised when a node is specified incorrectly.
class InvalidNodeError < Error
end
# Raised when a node changes to an invalid/unknown state.
class InvalidNodeStateError < Error
def initialize(node, state)
super("Invalid state change `#{state}` for node #{node}")
end
end
# Raised when a node is unavailable (i.e., unreachable via network).
class NodeUnavailableError < Error
def initialize(node)
super("Node: #{node}")
end
end
# Raised when no master is currently available.
class NoMasterError < Error
end
# Raised when more than one master is found on startup.
class MultipleMastersError < Error
def initialize(nodes)
super("Multiple nodes with master role: #{nodes.map(&:to_s)}")
end
end
# Raised when no slave is currently available.
class NoSlaveError < Error
end
# Raised when a redis server is no longer using the same role
# as previously assumed.
class InvalidNodeRoleError < Error
def initialize(node, assumed, actual)
super("Invalid role detected for node #{node}, client thought " +
"it was a #{assumed}, but it's now a #{actual}")
end
end
# Raised when an unsupported redis operation is performed.
class UnsupportedOperationError < Error
def initialize(operation)
super("Operation `#{operation}` is currently unsupported")
end
end
end
Version data entries
13 entries across 13 versions & 3 rubygems