Class: Statsig::Evaluator
- Inherits:
-
Object
- Object
- Statsig::Evaluator
- Defined in:
- lib/evaluator.rb
Instance Attribute Summary collapse
-
#spec_store ⇒ Object
Returns the value of attribute spec_store.
Instance Method Summary collapse
- #check_gate(user, gate_name) ⇒ Object
- #clean_exposures(exposures) ⇒ Object
- #eval_spec(user, config) ⇒ Object
- #get_client_initialize_response(user) ⇒ Object
- #get_config(user, config_name) ⇒ Object
- #get_layer(user, layer_name) ⇒ Object
-
#initialize(network, options, error_callback, init_diagnostics = nil) ⇒ Evaluator
constructor
A new instance of Evaluator.
- #maybe_restart_background_threads ⇒ Object
- #override_config(config, value) ⇒ Object
- #override_gate(gate, value) ⇒ Object
- #shutdown ⇒ Object
Constructor Details
#initialize(network, options, error_callback, init_diagnostics = nil) ⇒ Evaluator
Returns a new instance of Evaluator.
20 21 22 23 24 25 26 27 |
# File 'lib/evaluator.rb', line 20 def initialize(network, , error_callback, init_diagnostics = nil) @spec_store = Statsig::SpecStore.new(network, , error_callback, init_diagnostics) @ua_parser = UserAgentParser::Parser.new CountryLookup.initialize @gate_overrides = {} @config_overrides = {} end |
Instance Attribute Details
#spec_store ⇒ Object
Returns the value of attribute spec_store.
18 19 20 |
# File 'lib/evaluator.rb', line 18 def spec_store @spec_store end |
Instance Method Details
#check_gate(user, gate_name) ⇒ Object
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 |
# File 'lib/evaluator.rb', line 33 def check_gate(user, gate_name) if @gate_overrides.has_key?(gate_name) return Statsig::ConfigResult.new( gate_name, @gate_overrides[gate_name], @gate_overrides[gate_name], 'override', [], evaluation_details: EvaluationDetails.local_override(@spec_store.last_config_sync_time, @spec_store.initial_config_sync_time)) end if @spec_store.init_reason == EvaluationReason::UNINITIALIZED return Statsig::ConfigResult.new(gate_name, evaluation_details: EvaluationDetails.uninitialized) end unless @spec_store.has_gate?(gate_name) return Statsig::ConfigResult.new(gate_name, evaluation_details: EvaluationDetails.unrecognized(@spec_store.last_config_sync_time, @spec_store.initial_config_sync_time)) end eval_spec(user, @spec_store.get_gate(gate_name)) end |
#clean_exposures(exposures) ⇒ Object
117 118 119 120 121 122 123 124 125 |
# File 'lib/evaluator.rb', line 117 def clean_exposures(exposures) seen = {} exposures.reject do |exposure| key = "#{exposure["gate"]}|#{exposure["gateValue"]}|#{exposure["ruleID"]}}" should_reject = seen[key] seen[key] = true should_reject == true end end |
#eval_spec(user, config) ⇒ Object
139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 |
# File 'lib/evaluator.rb', line 139 def eval_spec(user, config) default_rule_id = 'default' exposures = [] if config['enabled'] i = 0 until i >= config['rules'].length do rule = config['rules'][i] result = eval_rule(user, rule) return $fetch_from_server if result.to_s == $fetch_from_server exposures = exposures + result.secondary_exposures if result.gate_value if (delegated_result = eval_delegate(config['name'], user, rule, exposures)) return delegated_result end pass = eval_pass_percent(user, rule, config['salt']) return Statsig::ConfigResult.new( config['name'], pass, pass ? result.json_value : config['defaultValue'], result.rule_id, exposures, evaluation_details: EvaluationDetails.new(@spec_store.last_config_sync_time, @spec_store.initial_config_sync_time, @spec_store.init_reason), is_experiment_group: result.is_experiment_group, ) end i += 1 end else default_rule_id = 'disabled' end Statsig::ConfigResult.new( config['name'], false, config['defaultValue'], default_rule_id, exposures, evaluation_details: EvaluationDetails.new(@spec_store.last_config_sync_time, @spec_store.initial_config_sync_time, @spec_store.init_reason)) end |
#get_client_initialize_response(user) ⇒ Object
89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 |
# File 'lib/evaluator.rb', line 89 def get_client_initialize_response(user) if @spec_store.is_ready_for_checks == false return nil end formatter = ClientInitializeHelpers::ResponseFormatter.new(self, user) evaluated_keys = {} if user.user_id.nil? == false evaluated_keys['userID'] = user.user_id end if user.custom_ids.nil? == false evaluated_keys['customIDs'] = user.custom_ids end { "feature_gates" => formatter.get_responses(:gates), "dynamic_configs" => formatter.get_responses(:configs), "layer_configs" => formatter.get_responses(:layers), "sdkParams" => {}, "has_updates" => true, "generator" => "statsig-ruby-sdk", "evaluated_keys" => evaluated_keys, "time" => 0, } end |
#get_config(user, config_name) ⇒ Object
55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 |
# File 'lib/evaluator.rb', line 55 def get_config(user, config_name) if @config_overrides.has_key?(config_name) return Statsig::ConfigResult.new( config_name, false, @config_overrides[config_name], 'override', [], evaluation_details: EvaluationDetails.local_override(@spec_store.last_config_sync_time, @spec_store.initial_config_sync_time)) end if @spec_store.init_reason == EvaluationReason::UNINITIALIZED return Statsig::ConfigResult.new(config_name, evaluation_details: EvaluationDetails.uninitialized) end unless @spec_store.has_config?(config_name) return Statsig::ConfigResult.new(config_name, evaluation_details: EvaluationDetails.unrecognized(@spec_store.last_config_sync_time, @spec_store.initial_config_sync_time)) end eval_spec(user, @spec_store.get_config(config_name)) end |
#get_layer(user, layer_name) ⇒ Object
77 78 79 80 81 82 83 84 85 86 87 |
# File 'lib/evaluator.rb', line 77 def get_layer(user, layer_name) if @spec_store.init_reason == EvaluationReason::UNINITIALIZED return Statsig::ConfigResult.new(layer_name, evaluation_details: EvaluationDetails.uninitialized) end unless @spec_store.has_layer?(layer_name) return Statsig::ConfigResult.new(layer_name, evaluation_details: EvaluationDetails.unrecognized(@spec_store.last_config_sync_time, @spec_store.initial_config_sync_time)) end eval_spec(user, @spec_store.get_layer(layer_name)) end |
#maybe_restart_background_threads ⇒ Object
29 30 31 |
# File 'lib/evaluator.rb', line 29 def maybe_restart_background_threads @spec_store.maybe_restart_background_threads end |
#override_config(config, value) ⇒ Object
135 136 137 |
# File 'lib/evaluator.rb', line 135 def override_config(config, value) @config_overrides[config] = value end |
#override_gate(gate, value) ⇒ Object
131 132 133 |
# File 'lib/evaluator.rb', line 131 def override_gate(gate, value) @gate_overrides[gate] = value end |
#shutdown ⇒ Object
127 128 129 |
# File 'lib/evaluator.rb', line 127 def shutdown @spec_store.shutdown end |