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.



15
16
17
18
19
# File 'lib/graphql/tracing/platform_tracing.rb', line 15

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

Class Attribute Details

.platform_keysObject

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.



12
13
14
# 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.



99
100
101
102
103
# File 'lib/graphql/tracing/platform_tracing.rb', line 99

def self.use(schema_defn, options = {})
  tracer = self.new(options)
  schema_defn.instrument(:field, tracer)
  schema_defn.tracer(tracer)
end

Instance Method Details

#instrument(type, field) ⇒ 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.



79
80
81
82
83
84
85
86
87
88
89
90
91
# File 'lib/graphql/tracing/platform_tracing.rb', line 79

def instrument(type, field)
  return_type = field.type.unwrap
  case return_type
  when GraphQL::ScalarType, GraphQL::EnumType
    if field.trace || (field.trace.nil? && @trace_scalars)
      trace_field(type, field)
    else
      field
    end
  else
    trace_field(type, field)
  end
end

#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.



21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
# File 'lib/graphql/tracing/platform_tracing.rb', line 21

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"
    if data[:context]
      field = data[:context].field
      platform_key = field.[:platform_key]
      trace_field = true # implemented with instrumenter
    else
      field = data[:field]
      cache = platform_key_cache(data.fetch(:query).context)
      platform_key = cache.fetch(field) do
        cache[field] = platform_field_key(data[:owner], field)
      end

      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
    end

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

#trace_field(type, field) ⇒ 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.



93
94
95
96
97
# File 'lib/graphql/tracing/platform_tracing.rb', line 93

def trace_field(type, field)
  new_f = field.redefine
  new_f.[:platform_key] = platform_field_key(type, field)
  new_f
end