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require 'net/ssh/multi/server'
require 'net/ssh/multi/dynamic_server'
module Net; module SSH; module Multi
class ServerList
include Enumerable
def initialize(list=[])
@list = list.uniq
end
def add(server)
index = @list.index(server)
if index
server = @list[index]
else
@list.push(server)
end
server
end
def concat(servers)
servers.each { |server| add(server) }
self
end
def each
@list.each do |server|
case server
when Server then yield server
when DynamicServer then server.each { |item| yield item }
else raise ArgumentError, "server list contains non-server: #{server.class}"
end
end
self
end
def select
subset = @list.select { |i| yield i }
ServerList.new(subset)
end
def flatten
result = @list.inject([]) do |aggregator, server|
case server
when Server then aggregator.push(server)
when DynamicServer then aggregator.concat(server)
else raise ArgumentError, "server list contains non-server: #{server.class}"
end
end
result.uniq
end
def to_ary
flatten
end
end
end; end; end
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