Class: SplitIoClient::SplitClient

Inherits:
Object
  • Object
show all
Defined in:
lib/splitclient-rb/clients/split_client.rb

Instance Method Summary collapse

Constructor Details

#initialize(api_key, adapter = nil, splits_repository, segments_repository, impressions_repository, metrics_repository, events_repository) ⇒ SplitIoClient

Creates a new split client instance that connects to split.io API.

Parameters:

  • api_key (String) —

    the API key for your split account



10
11
12
13
14
15
16
17
18
 
# File 'lib/splitclient-rb/clients/split_client.rb', line 10

def initialize(api_key, adapter = nil, splits_repository, segments_repository, impressions_repository, metrics_repository, events_repository)
  @splits_repository = splits_repository
  @segments_repository = segments_repository
  @impressions_repository = impressions_repository
  @metrics_repository = metrics_repository
  @events_repository = events_repository

  @adapter = adapter
end

Instance Method Details

#destroy ⇒ Object 



118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
 
# File 'lib/splitclient-rb/clients/split_client.rb', line 118

def destroy
  SplitIoClient.configuration.logger.info('Split client shutdown started...') if SplitIoClient.configuration.debug_enabled

  SplitIoClient.configuration.threads[:impressions_sender].raise(SplitIoClient::ImpressionShutdownException)
  SplitIoClient.configuration.threads.reject { |k, _| k == :impressions_sender }.each do |name, thread|
    Thread.kill(thread)
  end

  @metrics_repository.clear
  @splits_repository.clear
  @segments_repository.clear
  @events_repository.clear

  SplitIoClient.configuration.logger.info('Split client shutdown complete') if SplitIoClient.configuration.debug_enabled
end

#get_treatment(key, split_name, attributes = {}, split_data = nil, store_impressions = true, multiple = false, evaluator = nil) ⇒ String/Hash

obtains the treatment for a given feature

Parameters:

  • key (String/Hash) —

    user id or hash with matching_key/bucketing_key

  • split_name (String/Array) —

    name of the feature that is being validated or array of them

  • attributes (Hash) (defaults to: {}) —

    attributes to pass to the treatment class

  • split_data (Hash) (defaults to: nil) —

    split data, when provided this method doesn’t fetch splits_repository for the data

  • store_impressions (Boolean) (defaults to: true) —

    impressions aren’t stored if this flag is false

  • multiple (Hash) (defaults to: false) —

    internal flag to signal if method is called by get_treatments

  • evaluator (Evaluator) (defaults to: nil) —

    Evaluator class instance, used to cache treatments

Returns:

  • (String/Hash) —

    Treatment as String or Hash of treatments in case of array of features



72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
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
116
 
# File 'lib/splitclient-rb/clients/split_client.rb', line 72

def get_treatment(
    key, split_name, attributes = {}, split_data = nil, store_impressions = true,
    multiple = false, evaluator = nil
  )
  control_treatment = { label: Engine::Models::Label::EXCEPTION, treatment: SplitIoClient::Engine::Models::Treatment::CONTROL }
  parsed_control_treatment = parsed_treatment(multiple, control_treatment)

  bucketing_key, matching_key = keys_from_key(key)

  return parsed_control_treatment unless SplitIoClient::Validators.valid_get_treatment_parameters(key, split_name, matching_key, bucketing_key)

  bucketing_key = bucketing_key ? bucketing_key.to_s : nil
  matching_key = matching_key.to_s
  evaluator ||= Engine::Parser::Evaluator.new(@segments_repository, @splits_repository)

  begin
    start = Time.now

    split = multiple ? split_data : @splits_repository.get_split(split_name)

    if split.nil?
      SplitIoClient.configuration.logger.warn("split_name: #{split_name} does not exist. Returning CONTROL")
      return parsed_control_treatment
    end

    treatment_data =
      evaluator.call(
      { bucketing_key: bucketing_key, matching_key: matching_key }, split, attributes
    )

    latency = (Time.now - start) * 1000.0
    store_impression(split_name, matching_key, bucketing_key, treatment_data, store_impressions, attributes)

    # Measure
    @adapter.metrics.time('sdk.get_treatment', latency) unless multiple
  rescue StandardError => error
    SplitIoClient.configuration.log_found_exception(__method__.to_s, error)

    store_impression(split_name, matching_key, bucketing_key, control_treatment, store_impressions, attributes)

    return parsed_control_treatment
  end

  parsed_treatment(multiple, treatment_data)
end

#get_treatments(key, split_names, attributes = {}) ⇒ Object 



20
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
 
# File 'lib/splitclient-rb/clients/split_client.rb', line 20

def get_treatments(key, split_names, attributes = {})

  return nil unless SplitIoClient::Validators.valid_get_treatments_parameters(split_names)

  sanitized_split_names = sanitize_split_names(split_names)

  if sanitized_split_names.empty?
    SplitIoClient.configuration.logger.warn('get_treatments: split_names is an empty array or has null values')
    return {}
  end

  bucketing_key, matching_key = keys_from_key(key)
  bucketing_key = bucketing_key ? bucketing_key.to_s : nil
  matching_key = matching_key ? matching_key.to_s : nil

  evaluator = Engine::Parser::Evaluator.new(@segments_repository, @splits_repository, true)
  start = Time.now
  treatments_labels_change_numbers =
    @splits_repository.get_splits(sanitized_split_names).each_with_object({}) do |(name, data), memo|
      memo.merge!(name => get_treatment(key, name, attributes, data, false, true, evaluator))
    end
  latency = (Time.now - start) * 1000.0
  # Measure
  @adapter.metrics.time('sdk.get_treatments', latency)

  unless SplitIoClient.configuration.disable_impressions
    time = (Time.now.to_f * 1000.0).to_i
    @impressions_repository.add_bulk(
      matching_key, bucketing_key, treatments_labels_change_numbers, time
    )

    route_impressions(sanitized_split_names, matching_key, bucketing_key, time, treatments_labels_change_numbers, attributes)
  end

  split_names_keys = treatments_labels_change_numbers.keys
  treatments = treatments_labels_change_numbers.values.map { |v| v[:treatment] }

  Hash[split_names_keys.zip(treatments)]
end

#impression_router ⇒ Object 



175
176
177
 
# File 'lib/splitclient-rb/clients/split_client.rb', line 175

def impression_router
  @impression_router ||= SplitIoClient::ImpressionRouter.new
end

#keys_from_key(key) ⇒ Object 



190
191
192
193
194
195
196
197
 
# File 'lib/splitclient-rb/clients/split_client.rb', line 190

def keys_from_key(key)
  case key.class.to_s
  when 'Hash'
    key.values_at(:bucketing_key, :matching_key).map { |k| k.nil? ? nil : k }
  else
    [nil, key].map { |k| k.nil? ? nil : k }
  end
end

#parsed_treatment(multiple, treatment_data) ⇒ Object 



199
200
201
202
203
204
205
206
207
208
209
 
# File 'lib/splitclient-rb/clients/split_client.rb', line 199

def parsed_treatment(multiple, treatment_data)
  if multiple
    {
      treatment: treatment_data[:treatment],
      label: treatment_data[:label],
      change_number: treatment_data[:change_number]
    }
  else
    treatment_data[:treatment]
  end
end

#route_impression(split_name, matching_key, bucketing_key, time, treatment, attributes) ⇒ Object 



153
154
155
156
157
158
159
160
161
162
 
# File 'lib/splitclient-rb/clients/split_client.rb', line 153

def route_impression(split_name, matching_key, bucketing_key, time, treatment, attributes)
  impression_router.add(
    split_name: split_name,
    matching_key: matching_key,
    bucketing_key: bucketing_key,
    time: time,
    treatment: treatment,
    attributes: attributes
  )
end

#route_impressions(split_names, matching_key, bucketing_key, time, treatments_labels_change_numbers, attributes) ⇒ Object 



164
165
166
167
168
169
170
171
172
173
 
# File 'lib/splitclient-rb/clients/split_client.rb', line 164

def route_impressions(split_names, matching_key, bucketing_key, time, treatments_labels_change_numbers, attributes)
  impression_router.add_bulk(
    split_names: split_names,
    matching_key: matching_key,
    bucketing_key: bucketing_key,
    time: time,
    treatments_labels_change_numbers: treatments_labels_change_numbers,
    attributes: attributes
  )
end

#sanitize_split_names(split_names) ⇒ Object 



211
212
213
214
215
216
217
218
219
220
 
# File 'lib/splitclient-rb/clients/split_client.rb', line 211

def sanitize_split_names(split_names)
  split_names.compact.uniq.select do |split_name|
    if split_name.is_a?(String) && !split_name.empty?
      true
    else
      SplitIoClient.configuration.logger.warn('get_treatments: split_name has to be a non empty string')
      false
    end
  end
end

#store_impression(split_name, matching_key, bucketing_key, treatment, store_impressions, attributes) ⇒ Object 



134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
 
# File 'lib/splitclient-rb/clients/split_client.rb', line 134

def store_impression(split_name, matching_key, bucketing_key, treatment, store_impressions, attributes)
  time = (Time.now.to_f * 1000.0).to_i

  return if SplitIoClient.configuration.disable_impressions || !store_impressions

  @impressions_repository.add(
    matching_key,
    bucketing_key,
    split_name,
    treatment,
    time
  )

  route_impression(split_name, matching_key, bucketing_key, time, treatment, attributes)

rescue StandardError => error
  SplitIoClient.configuration.log_found_exception(__method__.to_s, error)
end

#track(key, traffic_type_name, event_type, value = nil) ⇒ Object 



179
180
181
182
183
184
185
186
187
188
 
# File 'lib/splitclient-rb/clients/split_client.rb', line 179

def track(key, traffic_type_name, event_type, value = nil)
  return false unless SplitIoClient::Validators.valid_track_parameters(key, traffic_type_name, event_type, value)
  begin
    @events_repository.add(key.to_s, traffic_type_name, event_type.to_s, (Time.now.to_f * 1000).to_i, value)
    true
  rescue StandardError => error
    SplitIoClient.configuration.log_found_exception(__method__.to_s, error)
    false
  end
end