Class: ElasticGraph::SchemaArtifacts::RuntimeMetadata::Schema

Inherits:
Object
  • Object
show all
Defined in:
elasticgraph-schema_artifacts/lib/elastic_graph/schema_artifacts/runtime_metadata/schema.rb

Overview

Entry point for runtime metadata for an entire schema.

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.from_hash(hash) ⇒ Schema

Loads a ElasticGraph::SchemaArtifacts::RuntimeMetadata::Schema from the given hash.

Parameters:

  • hash (Hash<String, Hash<String, Object>>) —

    runtime metadata hash loaded from YAML

Returns:

  • (Schema) —

    the runtime metadata schema instance



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# File 'elasticgraph-schema_artifacts/lib/elastic_graph/schema_artifacts/runtime_metadata/schema.rb', line 62

def self.from_hash(hash)
  elasticgraph_version = hash.fetch(ELASTICGRAPH_VERSION) do
    raise Errors::SchemaError, "`#{RUNTIME_METADATA_FILE}` is missing `#{ELASTICGRAPH_VERSION}`. To proceed, regenerate the schema artifacts."
  end
  if elasticgraph_version != ElasticGraph::VERSION
    raise Errors::SchemaError, <<~EOS
      ElasticGraph version mismatch: schema artifacts were dumped by version #{elasticgraph_version}, but current version is #{ElasticGraph::VERSION}.
      To proceed, regenerate the schema artifacts using ElasticGraph v#{ElasticGraph::VERSION} or boot with these artifacts using ElasticGraph v#{elasticgraph_version}.
    EOS
  end

  object_types_by_name = hash[OBJECT_TYPES_BY_NAME]&.transform_values do |type_hash|
    ObjectType.from_hash(type_hash)
  end || {}

  scalar_types_by_name = hash[SCALAR_TYPES_BY_NAME]&.then do |subhash|
    ScalarType.load_many(subhash)
  end || {}

  enum_types_by_name = hash[ENUM_TYPES_BY_NAME]&.transform_values do |type_hash|
    Enum::Type.from_hash(type_hash)
  end || {}

  index_definitions_by_name = hash[INDEX_DEFINITIONS_BY_NAME]&.transform_values do |index_hash|
    IndexDefinition.from_hash(index_hash)
  end || {}

  schema_element_names = SchemaElementNames.from_hash(hash.fetch(SCHEMA_ELEMENT_NAMES))

  graphql_extension_modules =
    hash[GRAPHQL_EXTENSION_MODULES]&.map do |ext_mod_hash|
      GraphQLExtension.from_hash(ext_mod_hash)
    end || []

  graphql_resolvers_by_name = hash[GRAPHQL_RESOLVERS_BY_NAME]&.to_h do |name, resolver_hash|
    [name.to_sym, GraphQLResolver.from_hash(resolver_hash)]
  end || {}

  static_script_ids_by_scoped_name = hash[STATIC_SCRIPT_IDS_BY_NAME] || {}

  new(
    elasticgraph_version: elasticgraph_version,
    object_types_by_name: object_types_by_name,
    scalar_types_by_name: scalar_types_by_name,
    enum_types_by_name: enum_types_by_name,
    index_definitions_by_name: index_definitions_by_name,
    schema_element_names: schema_element_names,
    graphql_extension_modules: graphql_extension_modules,
    graphql_resolvers_by_name: graphql_resolvers_by_name,
    static_script_ids_by_scoped_name: static_script_ids_by_scoped_name
  )
end

Instance Method Details

#to_dumpable_hash ⇒ Hash<String, Hash<String, Object>>

Converts to a hash that is suitable for dumping to disk as YAML.

Returns:

  • (Hash<String, Hash<String, Object>>) —

    runtime metadata hash ready to dump to YAML



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# File 'elasticgraph-schema_artifacts/lib/elastic_graph/schema_artifacts/runtime_metadata/schema.rb', line 118

def to_dumpable_hash
  Support::HashUtil.recursively_prune_nils_and_empties_from({
    # Keys here are ordered alphabetically; please keep them that way.
    ELASTICGRAPH_VERSION => elasticgraph_version,
    ENUM_TYPES_BY_NAME => HashDumper.dump_hash(enum_types_by_name, &:to_dumpable_hash),
    GRAPHQL_EXTENSION_MODULES => graphql_extension_modules.map(&:to_dumpable_hash),
    GRAPHQL_RESOLVERS_BY_NAME => HashDumper.dump_hash(graphql_resolvers_by_name.transform_keys(&:to_s), &:to_dumpable_hash),
    INDEX_DEFINITIONS_BY_NAME => HashDumper.dump_hash(index_definitions_by_name, &:to_dumpable_hash),
    OBJECT_TYPES_BY_NAME => HashDumper.dump_hash(object_types_by_name, &:to_dumpable_hash),
    SCALAR_TYPES_BY_NAME => HashDumper.dump_hash(scalar_types_by_name, &:to_dumpable_hash),
    SCHEMA_ELEMENT_NAMES => schema_element_names.to_dumpable_hash,
    STATIC_SCRIPT_IDS_BY_NAME => static_script_ids_by_scoped_name
  })
end