42 lines
1.0 KiB
Ruby
42 lines
1.0 KiB
Ruby
# this example topology uses the Storm TestWordSpout and our own JRuby ExclamationBolt
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# and a locally defined ExclamationBolt
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java_import 'backtype.storm.testing.TestWordSpout'
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require 'red_storm'
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module RedStorm
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module Examples
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class ExclamationBolt < DSL::Bolt
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output_fields :word
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on_receive(:ack => true, :anchor => true) {|tuple| "!#{tuple[0]}!"} # tuple[:word] or tuple["word"] are also valid
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end
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class ExclamationTopology2 < DSL::Topology
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spout TestWordSpout, :parallelism => 2
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bolt ExclamationBolt, :parallelism => 2 do
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source TestWordSpout, :shuffle
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end
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bolt ExclamationBolt, :id => :ExclamationBolt2, :parallelism => 2 do
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source ExclamationBolt, :shuffle
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debug true
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end
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configure do |env|
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debug false
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max_task_parallelism 4
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num_workers 1
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max_spout_pending 1000
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end
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on_submit do |env|
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if env == :local
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sleep(5)
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cluster.shutdown
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end
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end
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end
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end
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end |