Class: GraphQL::Tracing::PlatformTracing Private

Inherits:
Object
  • Object
show all
Defined in:
lib/graphql/tracing/platform_tracing.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Each platform provides:

  • .platform_keys
  • #platform_trace
  • #platform_field_key(type, field)

Class Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ PlatformTracing

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of PlatformTracing.



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# File 'lib/graphql/tracing/platform_tracing.rb', line 19

def initialize(options = {})
  @options = options
  @platform_keys = self.class.platform_keys
  @trace_scalars = options.fetch(:trace_scalars, false)
end

Class Attribute Details

.platform_keys ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/graphql/tracing/platform_tracing.rb', line 12

def platform_keys
  @platform_keys
end

Class Method Details

.use(schema_defn, options = {}) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/graphql/tracing/platform_tracing.rb', line 75

def self.use(schema_defn, options = {})
  if options[:legacy_tracing]
    tracer = self.new(**options)
    schema_defn.tracer(tracer)
  else
    tracing_name = self.name.split("::").last
    trace_name = tracing_name.sub("Tracing", "Trace")
    if GraphQL::Tracing.const_defined?(trace_name, false)
      trace_module = GraphQL::Tracing.const_get(trace_name)
      schema_defn.trace_with(trace_module, **options)
    else
      tracer = self.new(**options)
      schema_defn.tracer(tracer)
    end
  end
end

Instance Method Details

#trace(key, data) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/graphql/tracing/platform_tracing.rb', line 25

def trace(key, data)
  case key
  when "lex", "parse", "validate", "analyze_query", "analyze_multiplex", "execute_query", "execute_query_lazy", "execute_multiplex"
    platform_key = @platform_keys.fetch(key)
    platform_trace(platform_key, key, data) do
      yield
    end
  when "execute_field", "execute_field_lazy"
    field = data[:field]
    return_type = field.type.unwrap
    trace_field = if return_type.kind.scalar? || return_type.kind.enum?
      (field.trace.nil? && @trace_scalars) || field.trace
    else
      true
    end

    platform_key = if trace_field
      context = data.fetch(:query).context
      cached_platform_key(context, field, :field) { platform_field_key(field.owner, field) }
    else
      nil
    end

    if platform_key && trace_field
      platform_trace(platform_key, key, data) do
        yield
      end
    else
      yield
    end
  when "authorized", "authorized_lazy"
    type = data.fetch(:type)
    context = data.fetch(:context)
    platform_key = cached_platform_key(context, type, :authorized) { platform_authorized_key(type) }
    platform_trace(platform_key, key, data) do
      yield
    end
  when "resolve_type", "resolve_type_lazy"
    type = data.fetch(:type)
    context = data.fetch(:context)
    platform_key = cached_platform_key(context, type, :resolve_type) { platform_resolve_type_key(type) }
    platform_trace(platform_key, key, data) do
      yield
    end
  else
    # it's a custom key
    yield
  end
end