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module Gitlab
module Sherlock
# A collection of transactions recorded by Sherlock.
#
# Method calls for this class are synchronized using a mutex to allow
# sharing of a single Collection instance between threads (e.g. when using
# Puma as a webserver).
class Collection
include Enumerable
def initialize
@transactions = []
@mutex = Mutex.new
end
def add(transaction)
synchronize { @transactions << transaction }
end
alias_method :<<, :add
def each(&block)
synchronize { @transactions.each(&block) }
end
def clear
synchronize { @transactions.clear }
end
def empty?
synchronize { @transactions.empty? }
end
def find_transaction(id)
find { |trans| trans.id == id }
end
def newest_first
sort { |a, b| b.finished_at <=> a.finished_at }
end
private
def synchronize(&block)
@mutex.synchronize(&block)
end
end
end
end
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