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Contents
# frozen_string_literal: true
module SidekiqUniqueJobs
class Lock
# Locks jobs while the job is executing in the server process
# - Locks before yielding to the worker's perform method
# - Unlocks after yielding to the worker's perform method
#
# See {#lock} for more information about the client.
# See {#execute} for more information about the server
#
# @author Mikael Henriksson <mikael@zoolutions.se>
class WhileExecuting < BaseLock
RUN_SUFFIX ||= ":RUN"
# @param [Hash] item the Sidekiq job hash
# @param [Proc] callback callback to call after unlock
# @param [Sidekiq::RedisConnection, ConnectionPool] redis_pool the redis connection
#
def initialize(item, callback, redis_pool = nil)
super(item, callback, redis_pool)
append_unique_key_suffix
end
# Simulate that a client lock was achieved.
# These locks should only ever be created in the server process.
# @return [true] always returns true
def lock
true
end
# Executes in the Sidekiq server process.
# These jobs are locked in the server process not from the client
# @yield to the worker class perform method
def execute
return strategy&.call unless locksmith.lock(item[LOCK_TIMEOUT_KEY])
yield
unlock_with_callback
rescue Exception # rubocop:disable Lint/RescueException
delete!
raise
end
private
# This is safe as the base_lock always creates a new digest
# The append there for needs to be done every time
def append_unique_key_suffix
item[UNIQUE_DIGEST_KEY] = item[UNIQUE_DIGEST_KEY] + RUN_SUFFIX
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems