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Contents
module Sunspot
#
# Keeps a stack of batches and helps out when Indexer is asked to batch documents.
#
# If the client does something like
#
# Sunspot.batch do
# some_code_here
# which_triggers_some_other_code
# which_again_calls
# Sunspot.batch { ... }
# end
#
# it is the Batcher's job to keep track of these nestings. The inner will
# be sent of to be indexed first.
#
class Batcher
include Enumerable
# Raised if you ask to end current, but no current exists
class NoCurrentBatchError < StandardError; end
def initialize
@stack = []
end
def current
@stack.last or start_new
end
def start_new
(@stack << []).last
end
def end_current
fail NoCurrentBatchError if @stack.empty?
@stack.pop
end
def depth
@stack.length
end
def batching?
depth > 0
end
def each(&block)
current.each(&block)
end
def push(value)
current << value
end
alias << push
def concat(values)
current.concat values
end
end
end
Version data entries
18 entries across 18 versions & 5 rubygems