Class: AvroPinions::Message

Inherits:
Object
  • Object
show all
Defined in:
lib/avro_pinions/message.rb

Defined Under Namespace

Classes: InvalidRecord

Instance Method Summary collapse

Instance Method Details

#avro_schema ⇒ Object 



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# File 'lib/avro_pinions/message.rb', line 50

def avro_schema
  @avro_schema ||= AvroPinions.schema_registry.schema(schema, namespace)
end

#codec ⇒ Object 



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# File 'lib/avro_pinions/message.rb', line 46

def codec
  @codec ||= AvroPinions::Codec.new(avro_schema)
end

#encode ⇒ Object 



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# File 'lib/avro_pinions/message.rb', line 38

def encode
  codec.encode(record)
end

#namespace ⇒ Object 



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# File 'lib/avro_pinions/message.rb', line 22

def namespace
  if defined?(self.class::NAMESPACE)
    self.class::NAMESPACE
  else
    raise AvroPinions::NotFullyImplementedError, 'No Namespace defined'
  end
end

#publish ⇒ Object 



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# File 'lib/avro_pinions/message.rb', line 34

def publish
  AvroPinions.publisher.publish(topic, record)
end

#record ⇒ Object

Raises:



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# File 'lib/avro_pinions/message.rb', line 30

def record
  raise AvroPinions::NotFullyImplementedError, 'record method not implemented'
end

#schema ⇒ Object

Schema is inferred to be the .avsc file in the schemas folder with the name as given



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# File 'lib/avro_pinions/message.rb', line 14

def schema
  if defined?(self.class::SCHEMA)
    self.class::SCHEMA
  else
    raise AvroPinions::NotFullyImplementedError, 'No Schema defined'
  end
end

#topic ⇒ Object 



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# File 'lib/avro_pinions/message.rb', line 3

def topic
  # self.class::SYMBOL looks up a class constant in a child class
  if defined?(self.class::TOPIC)
    self.class::TOPIC
  else
    raise AvroPinions::NotFullyImplementedError, 'No Topic defined'
  end
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/avro_pinions/message.rb', line 42

def valid?
  Avro::Schema.validate(avro_schema, AvroPinions::Codec.pedantic_data(record))
end