Class: Couchbase::Cluster

Inherits:
Object
  • Object
show all
Defined in:
lib/couchbase/cluster.rb,
lib/couchbase/query_options.rb,
lib/couchbase/search_options.rb,
lib/couchbase/analytics_options.rb,
/Users/sergey.auseyau/code/couchbase-ruby-client/lib/couchbase/cluster.rb,
/Users/sergey.auseyau/code/couchbase-ruby-client/lib/couchbase/query_options.rb,
/Users/sergey.auseyau/code/couchbase-ruby-client/lib/couchbase/search_options.rb,
/Users/sergey.auseyau/code/couchbase-ruby-client/lib/couchbase/analytics_options.rb more...

Defined Under Namespace

Classes: AnalyticsMetaData, AnalyticsMetrics, AnalyticsOptions, AnalyticsResult, AnalyticsWarning, ClusterOptions, DiagnosticsOptions, QueryMetaData, QueryMetrics, QueryOptions, QueryResult, QueryWarning, SearchFacet, SearchFacetResult, SearchMetaData, SearchMetrics, SearchOptions, SearchQuery, SearchResult, SearchRow, SearchRowLocation, SearchRowLocations, SearchSort

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.connect(connection_string, options) ⇒ Cluster .connect(connection_string, username, password, options) ⇒ Cluster

Connect to the Couchbase cluster

Overloads:

  • .connect(connection_string, options) ⇒ Cluster

    Parameters:

    • connection_string (String) —

      connection string used to locate the Couchbase Cluster

    • options (ClusterOptions) —

      custom options when creating the cluster connection

  • .connect(connection_string, username, password, options) ⇒ Cluster

    Shortcut for PasswordAuthenticator

    Parameters:

    • connection_string (String) —

      connection string used to locate the Couchbase Cluster

    • username (String) —

      name of the user

    • password (String) —

      password of the user

    • options (ClusterOptions, nil) —

      custom options when creating the cluster connection

Returns:

[View source]

46
47
48
 
# File 'lib/couchbase/cluster.rb', line 46

def self.connect(connection_string, *options)
  Cluster.new(connection_string, *options)
end

Instance Method Details

#analytics_indexes ⇒ Management::AnalyticsIndexManager

Returns:

[View source]

274
275
276
 
# File 'lib/couchbase/cluster.rb', line 274

def analytics_indexes
  Management::AnalyticsIndexManager.new(@backend)
end

#analytics_query(statement, options = AnalyticsOptions.new) ⇒ AnalyticsResult

Performs an analytics query

Parameters:

  • statement (String) —

    the N1QL query statement

  • options (AnalyticsOptions) (defaults to: AnalyticsOptions.new) —

    the custom options for this query

Returns:

[View source]

117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
 
# File 'lib/couchbase/cluster.rb', line 117

def analytics_query(statement, options = AnalyticsOptions.new)
  resp = @backend.document_analytics(statement, {
    timeout: options.timeout,
    client_context_id: options.client_context_id,
    scan_consistency: options.scan_consistency,
    readonly: options.readonly,
    priority: options.priority,
    positional_parameters: options.export_positional_parameters,
    named_parameters: options.export_named_parameters,
    raw_parameters: options.raw_parameters,
  })

  AnalyticsResult.new do |res|
    res.transcoder = options.transcoder
    res.meta_data = AnalyticsMetaData.new do |meta|
      meta.status = resp[:meta][:status]
      meta.request_id = resp[:meta][:request_id]
      meta.client_context_id = resp[:meta][:client_context_id]
      meta.signature = JSON.parse(resp[:meta][:signature]) if resp[:meta][:signature]
      meta.profile = JSON.parse(resp[:meta][:profile]) if resp[:meta][:profile]
      meta.metrics = AnalyticsMetrics.new do |metrics|
        if resp[:meta][:metrics]
          metrics.elapsed_time = resp[:meta][:metrics][:elapsed_time]
          metrics.execution_time = resp[:meta][:metrics][:execution_time]
          metrics.result_count = resp[:meta][:metrics][:result_count]
          metrics.result_size = resp[:meta][:metrics][:result_size]
          metrics.error_count = resp[:meta][:metrics][:error_count]
          metrics.warning_count = resp[:meta][:metrics][:warning_count]
          metrics.processed_objects = resp[:meta][:metrics][:processed_objects]
        end
      end
      res[:warnings] = resp[:warnings].map { |warn| QueryWarning.new(warn[:code], warn[:message]) } if resp[:warnings]
    end
    res.instance_variable_set("@rows", resp[:rows])
  end
end

#bucket(name) ⇒ Bucket

Returns an instance of the Bucket

Parameters:

  • name (String) —

    name of the bucket

Returns:

[View source]

55
56
57
 
# File 'lib/couchbase/cluster.rb', line 55

def bucket(name)
  Bucket.new(@backend, name)
end

#buckets ⇒ Management::BucketManager

Returns:

[View source]

264
265
266
 
# File 'lib/couchbase/cluster.rb', line 264

def buckets
  Management::BucketManager.new(@backend)
end

#diagnostics(options = DiagnosticsOptions.new) ⇒ Object

[View source]

287
 
# File 'lib/couchbase/cluster.rb', line 287

def diagnostics(options = DiagnosticsOptions.new) end

#disconnect ⇒ Object

[View source]

283
284
285
 
# File 'lib/couchbase/cluster.rb', line 283

def disconnect
  @backend.close
end

#query(statement, options = QueryOptions.new) ⇒ QueryResult

Performs a query against the query (N1QL) services

Parameters:

  • statement (String) —

    the N1QL query statement

  • options (QueryOptions) (defaults to: QueryOptions.new) —

    the custom options for this query

Returns:

[View source]

65
66
67
68
69
70
71
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
 
# File 'lib/couchbase/cluster.rb', line 65

def query(statement, options = QueryOptions.new)
  resp = @backend.document_query(statement, {
    timeout: options.timeout,
    adhoc: options.adhoc,
    client_context_id: options.client_context_id,
    max_parallelism: options.max_parallelism,
    readonly: options.readonly,
    scan_wait: options.scan_wait,
    scan_cap: options.scan_cap,
    pipeline_batch: options.pipeline_batch,
    pipeline_cap: options.pipeline_cap,
    metrics: options.metrics,
    profile: options.profile,
    positional_parameters: options.export_positional_parameters,
    named_parameters: options.export_named_parameters,
    scope_qualifier: options.scope_qualifier,
    raw_parameters: options.raw_parameters,
    scan_consistency: options.scan_consistency,
    mutation_state: options.mutation_state&.to_a,
  })

  QueryResult.new do |res|
    res.meta_data = QueryMetaData.new do |meta|
      meta.status = resp[:meta][:status]
      meta.request_id = resp[:meta][:request_id]
      meta.client_context_id = resp[:meta][:client_context_id]
      meta.signature = JSON.parse(resp[:meta][:signature]) if resp[:meta][:signature]
      meta.profile = JSON.parse(resp[:meta][:profile]) if resp[:meta][:profile]
      meta.metrics = QueryMetrics.new do |metrics|
        if resp[:meta][:metrics]
          metrics.elapsed_time = resp[:meta][:metrics][:elapsed_time]
          metrics.execution_time = resp[:meta][:metrics][:execution_time]
          metrics.sort_count = resp[:meta][:metrics][:sort_count]
          metrics.result_count = resp[:meta][:metrics][:result_count]
          metrics.result_size = resp[:meta][:metrics][:result_size]
          metrics.mutation_count = resp[:meta][:metrics][:mutation_count]
          metrics.error_count = resp[:meta][:metrics][:error_count]
          metrics.warning_count = resp[:meta][:metrics][:warning_count]
        end
      end
      res[:warnings] = resp[:warnings].map { |warn| QueryWarning.new(warn[:code], warn[:message]) } if resp[:warnings]
    end
    res.instance_variable_set("@rows", resp[:rows])
  end
end

#query_indexes ⇒ Management::QueryIndexManager

Returns:

[View source]

269
270
271
 
# File 'lib/couchbase/cluster.rb', line 269

def query_indexes
  Management::QueryIndexManager.new(@backend)
end

#search_indexes ⇒ Management::SearchIndexManager

Returns:

[View source]

279
280
281
 
# File 'lib/couchbase/cluster.rb', line 279

def search_indexes
  Management::SearchIndexManager.new(@backend)
end

#search_query(index_name, query, options = SearchOptions.new) ⇒ SearchResult

Performs a Full Text Search (FTS) query

Parameters:

  • index_name (String) —

    the name of the search index

  • query (SearchQuery) —

    the query tree

  • options (SearchOptions) (defaults to: SearchOptions.new) —

    the query tree

Returns:

[View source]

161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
 
# File 'lib/couchbase/cluster.rb', line 161

def search_query(index_name, query, options = SearchOptions.new)
  resp = @backend.document_search(index_name, JSON.generate(query), {
    timeout: options.timeout,
    limit: options.limit,
    skip: options.skip,
    explain: options.explain,
    highlight_style: options.highlight_style,
    highlight_fields: options.highlight_fields,
    fields: options.fields,
    sort: options.sort&.map { |v| JSON.generate(v) },
    facets: options.facets&.map { |(k, v)| [k, JSON.generate(v)] },
    scan_consistency: options.scan_consistency,
    mutation_state: options.mutation_state&.to_a,
  })

  SearchResult.new do |res|
    res.meta_data = SearchMetaData.new do |meta|
      meta.metrics.max_score = resp[:meta_data][:metrics][:max_score]
      meta.metrics.error_partition_count = resp[:meta_data][:metrics][:error_partition_count]
      meta.metrics.success_partition_count = resp[:meta_data][:metrics][:success_partition_count]
      meta.metrics.took = resp[:meta_data][:metrics][:took]
      meta.metrics.total_rows = resp[:meta_data][:metrics][:total_rows]
      meta.errors = resp[:meta_data][:errors]
    end
    res.rows = resp[:rows].map do |r|
      SearchRow.new do |row|
        row.transcoder = options.transcoder
        row.index = r[:index]
        row.id = r[:id]
        row.score = r[:score]
        row.fragments = r[:fragments]
        row.locations = SearchRowLocations.new(
          r[:locations].map do |loc|
            SearchRowLocation.new do |location|
              location.field = loc[:field]
              location.term = loc[:term]
              location.position = loc[:position]
              location.start_offset = loc[:start_offset]
              location.end_offset = loc[:end_offset]
              location.array_positions = loc[:array_positions]
            end
          end
        )
        row.instance_variable_set("@fields", r[:fields])
        row.explanation = JSON.parse(r[:explanation]) if r[:explanation]
      end
    end
    if resp[:facets]
      res.facets = resp[:facets].each_with_object({}) do |(k, v), o|
        facet = case options.facets[k]
                when SearchFacet::SearchFacetTerm
                  SearchFacetResult::TermFacetResult.new do |f|
                    f.terms =
                      if v[:terms]
                        v[:terms].map do |t|
                          SearchFacetResult::TermFacetResult::TermFacet.new(t[:term], t[:count])
                        end
                      else
                        []
                      end
                  end
                when SearchFacet::SearchFacetDateRange
                  SearchFacetResult::DateRangeFacetResult.new do |f|
                    f.date_ranges =
                      if v[:date_ranges]
                        v[:date_ranges].map do |r|
                          SearchFacetResult::DateRangeFacetResult::DateRangeFacet.new(r[:name], r[:count], r[:start_time], r[:end_time])
                        end
                      else
                        []
                      end
                  end
                when SearchFacet::SearchFacetNumericRange
                  SearchFacetResult::NumericRangeFacetResult.new do |f|
                    f.numeric_ranges =
                      if v[:numeric_ranges]
                        v[:numeric_ranges].map do |r|
                          SearchFacetResult::NumericRangeFacetResult::NumericRangeFacet.new(r[:name], r[:count], r[:min], r[:max])
                        end
                      else
                        []
                      end
                  end
                else
                  next # ignore unknown facet result
                end
        facet.name = v[:name]
        facet.field = v[:field]
        facet.total = v[:total]
        facet.missing = v[:missing]
        facet.other = v[:other]
        o[k] = facet
      end
    end
  end
end

#users ⇒ Management::UserManager

Returns:

[View source]

259
260
261
 
# File 'lib/couchbase/cluster.rb', line 259

def users
  Management::UserManager.new(@backend)
end