Created
March 24, 2016 09:58
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ruby avro kafka
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| require 'poseidon' | |
| require 'avro' | |
| require 'json' | |
| schema = Avro::Schema.parse(File.open("item.avsc", "rb").read) | |
| dw = Avro::IO::DatumWriter.new(schema) | |
| buffer = StringIO.new | |
| encoder = Avro::IO::BinaryEncoder.new(buffer) | |
| datum = {"name" => "Desktop", "description" => "Office and Personal Usage", "price" => 30000} | |
| dw.write(datum, encoder) | |
| producer = Poseidon::Producer.new(["192.168.100.88:9092"], "my_avro_test_producer") | |
| messages = [] | |
| messages << Poseidon::MessageToSend.new("avro_test",buffer.string) | |
| producer.send_messages(messages) | |
| consumer = Poseidon::PartitionConsumer.new("my_avro_test_consumer", "192.168.100.88", 9092, "avro_test", 0, :earliest_offset) | |
| messages = consumer.fetch | |
| messages.each do |fm| | |
| p fm.value | |
| stringreader = StringIO.new(fm.value) | |
| decoder = Avro::IO::BinaryDecoder.new(stringreader) | |
| datumreader = Avro::IO::DatumReader.new(schema) | |
| #read the message | |
| read_value = datumreader.read(decoder) | |
| p read_value | |
| end |
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