Class: Manifold::API::SchemaManager

Inherits:
Object
  • Object
show all
Defined in:
lib/manifold/api/schema_manager.rb

Overview

Handles schema generation and writing for Manifold tables rubocop:disable Metrics/ClassLength

Instance Method Summary collapse

Constructor Details

#initialize(name, vectors, vector_service, manifold_yaml, logger) ⇒ SchemaManager

Returns a new instance of SchemaManager.



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# File 'lib/manifold/api/schema_manager.rb', line 8

def initialize(name, vectors, vector_service, manifold_yaml, logger)
  @name = name
  @vectors = vectors
  @vector_service = vector_service
  @manifold_yaml = manifold_yaml
  @logger = logger
end

Instance Method Details

#dimensions_schema ⇒ Object

Returns the dimensions schema structure



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# File 'lib/manifold/api/schema_manager.rb', line 25

def dimensions_schema
  [
    { "type" => "STRING", "name" => "id", "mode" => "REQUIRED" },
    { "type" => "RECORD", "name" => "dimensions", "mode" => "REQUIRED",
      "fields" => dimensions_fields }
  ]
end

#manifold_schema ⇒ Object

Returns the manifold schema structure



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# File 'lib/manifold/api/schema_manager.rb', line 34

def manifold_schema
  [
    { "type" => "STRING", "name" => "id", "mode" => "REQUIRED" },
    { "type" => "TIMESTAMP", "name" => "timestamp", "mode" => "REQUIRED" },
    { "type" => "RECORD", "name" => "dimensions", "mode" => "REQUIRED",
      "fields" => dimensions_fields },
    { "type" => "RECORD", "name" => "metrics", "mode" => "REQUIRED",
      "fields" => metrics_fields }
  ]
end

#write_schemas(tables_directory) ⇒ Object

Generates and writes schemas to the specified directory



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# File 'lib/manifold/api/schema_manager.rb', line 17

def write_schemas(tables_directory)
  tables_directory.mkpath
  write_dimensions_schema(tables_directory)
  write_manifold_schema(tables_directory)
  write_metrics_schemas(tables_directory)
end