Class: Couchbase::Collection

Inherits:
Object
  • Object
show all
Defined in:
lib/couchbase/collection.rb,
lib/couchbase/collection_options.rb,
/Users/sergey.auseyau/code/couchbase-ruby-client/lib/couchbase/collection.rb,
/Users/sergey.auseyau/code/couchbase-ruby-client/lib/couchbase/collection_options.rb more...

Defined Under Namespace

Classes: ExistsOptions, ExistsResult, GetAllReplicasOptions, GetAndLockOptions, GetAndTouchOptions, GetAnyReplicaOptions, GetOptions, GetReplicaResult, GetResult, InsertOptions, LookupInOptions, LookupInResult, MutateInOptions, MutateInResult, MutationResult, RemoveOptions, ReplaceOptions, TouchOptions, UnlockOptions, UpsertOptions

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(backend, bucket_name, scope_name, collection_name) ⇒ Collection

Returns a new instance of Collection.

Parameters:

  • backend (Couchbase::Backend)
  • bucket_name (String) —

    name of the bucket

  • scope_name (String, :_default) —

    name of the scope

  • collection_name (String, :_default) —

    name of the collection

[View source]

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# File 'lib/couchbase/collection.rb', line 31

def initialize(backend, bucket_name, scope_name, collection_name)
  @backend = backend
  @bucket_name = bucket_name
  @scope_name = scope_name
  @name = collection_name
end

Instance Attribute Details

#bucket_name ⇒ Object (readonly)

Returns the value of attribute bucket_name.


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# File 'lib/couchbase/collection.rb', line 21

def bucket_name
  @bucket_name
end

#name ⇒ Object (readonly)

Returns the value of attribute name.


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# File 'lib/couchbase/collection.rb', line 23

def name
  @name
end

#scope_name ⇒ Object (readonly)

Returns the value of attribute scope_name.


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# File 'lib/couchbase/collection.rb', line 22

def scope_name
  @scope_name
end

Instance Method Details

#binary ⇒ BinaryCollection

Provides access to the binary APIs, not used for JSON documents

Returns:

[View source]

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# File 'lib/couchbase/collection.rb', line 41

def binary
  BinaryCollection.new(self)
end

#exists(id, options = ExistsOptions.new) ⇒ ExistsResult

Checks if the given document ID exists on the active partition.

Parameters:

  • id (String) —

    the document id which is used to uniquely identify it.

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

    request customization

Returns:

[View source]

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# File 'lib/couchbase/collection.rb', line 126

def exists(id, options = ExistsOptions.new)
  resp = @backend.document_exists(bucket_name, "#{@scope_name}.#{@name}", id, options.timeout)
  ExistsResult.new do |res|
    res.status = resp[:status]
    res.partition_id = resp[:partition_id]
    res.cas = resp[:cas] if res.status != :not_found
  end
end

#get(id, options = GetOptions.new) ⇒ GetResult

Fetches the full document from the collection

Parameters:

  • id (String) —

    the document id which is used to uniquely identify it

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

    request customization

Returns:

[View source]

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# File 'lib/couchbase/collection.rb', line 51

def get(id, options = GetOptions.new)
  resp = if options.need_projected_get?
           @backend.document_get_projected(bucket_name, "#{@scope_name}.#{@name}", id,
                                           options.timeout,
                                           options.with_expiry,
                                           options.projections,
                                           options.preserve_array_indexes)
         else
           @backend.document_get(bucket_name, "#{@scope_name}.#{@name}", id, options.timeout)
         end
  GetResult.new do |res|
    res.transcoder = options.transcoder
    res.cas = resp[:cas]
    res.flags = resp[:flags]
    res.encoded = resp[:content]
    res.expiry = resp[:expiry] if resp.key?(:expiry)
  end
end

#get_all_replicas(id, options = GetAllReplicasOptions.new) ⇒ Array<GetReplicaResult>

Reads from all available replicas and the active node and returns the results

Parameters:

  • id (String) —

    the document id which is used to uniquely identify it.

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

    request customization

Returns:

[View source]

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# File 'lib/couchbase/collection.rb', line 110

def get_all_replicas(id, options = GetAllReplicasOptions.new) end

#get_and_lock(id, lock_time, options = GetAndLockOptions.new) ⇒ GetResult

Fetches the full document and write-locks it for the given duration

Parameters:

  • id (String) —

    the document id which is used to uniquely identify it.

  • lock_time (Integer) —

    how long to lock the document (values over 30 seconds will be capped)

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

    request customization

Returns:

[View source]

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# File 'lib/couchbase/collection.rb', line 77

def get_and_lock(id, lock_time, options = GetAndLockOptions.new)
  resp = @backend.document_get_and_lock(bucket_name, "#{@scope_name}.#{@name}", id, options.timeout, lock_time)
  GetResult.new do |res|
    res.transcoder = options.transcoder
    res.cas = resp[:cas]
    res.flags = resp[:flags]
    res.encoded = resp[:content]
  end
end

#get_and_touch(id, expiry, options = GetAndTouchOptions.new) ⇒ GetResult

Fetches a full document and resets its expiration time to the duration provided

Parameters:

  • id (String) —

    the document id which is used to uniquely identify it.

  • expiry (Integer) —

    the new expiration time for the document

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

    request customization

Returns:

[View source]

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# File 'lib/couchbase/collection.rb', line 94

def get_and_touch(id, expiry, options = GetAndTouchOptions.new)
  resp = @backend.document_get_and_touch(bucket_name, "#{@scope_name}.#{@name}", id, options.timeout, expiry)
  GetResult.new do |res|
    res.transcoder = options.transcoder
    res.cas = resp[:cas]
    res.flags = resp[:flags]
    res.encoded = resp[:content]
  end
end

#get_any_replica(id, options = GetAnyReplicaOptions.new) ⇒ GetReplicaResult

Reads all available replicas, and returns the first found

Parameters:

  • id (String) —

    the document id which is used to uniquely identify it.

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

    request customization

Returns:

[View source]

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# File 'lib/couchbase/collection.rb', line 118

def get_any_replica(id, options = GetAnyReplicaOptions.new) end

#insert(id, content, options = InsertOptions.new) ⇒ MutationResult

Inserts a full document which does not exist yet

Parameters:

  • id (String) —

    the document id which is used to uniquely identify it.

  • content (Object) —

    the document content to insert

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

    request customization

Returns:

[View source]

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# File 'lib/couchbase/collection.rb', line 158

def insert(id, content, options = InsertOptions.new)
  blob, flags = options.transcoder.encode(content)
  resp = @backend.document_insert(bucket_name, "#{@scope_name}.#{@name}", id, options.timeout, blob, flags, {
    durability_level: options.durability_level,
    expiry: options.expiry,
  })
  MutationResult.new do |res|
    res.cas = resp[:cas]
    res.mutation_token = extract_mutation_token(resp)
  end
end

#lookup_in(id, specs, options = LookupInOptions.new) ⇒ LookupInResult

Performs lookups to document fragments

Parameters:

  • id (String) —

    the document id which is used to uniquely identify it.

  • specs (Array<LookupInSpec>) —

    the list of specifications which describe the types of the lookups to perform

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

    request customization

Returns:

[View source]

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# File 'lib/couchbase/collection.rb', line 241

def lookup_in(id, specs, options = LookupInOptions.new)
  resp = @backend.document_lookup_in(
    bucket_name, "#{@scope_name}.#{@name}", id, options.timeout, options.access_deleted,
    specs.map do |s|
      {
        opcode: s.type,
        xattr: s.xattr?,
        path: s.path,
      }
    end
  )
  LookupInResult.new do |res|
    res.transcoder = options.transcoder
    res.cas = resp[:cas]
    res.encoded = resp[:fields].map do |field|
      SubDocumentField.new do |f|
        f.exists = field[:exists]
        f.index = field[:index]
        f.path = field[:path]
        f.status = field[:status]
        f.error = field[:error]
        f.value = field[:value]
        f.type = field[:type]
      end
    end
  end
end

#mutate_in(id, specs, options = MutateInOptions.new) ⇒ MutateInResult

Performs mutations to document fragments

Parameters:

  • id (String) —

    the document id which is used to uniquely identify it.

  • specs (Array<MutateInSpec>) —

    the list of specifications which describe the types of the lookups to perform

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

    request customization

Returns:

[View source]

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# File 'lib/couchbase/collection.rb', line 276

def mutate_in(id, specs, options = MutateInOptions.new)
  resp = @backend.document_mutate_in(
    bucket_name, "#{@scope_name}.#{@name}", id, options.timeout,
    specs.map do |s|
      {
        opcode: s.type,
        path: s.path,
        param: s.param,
        xattr: s.xattr?,
        expand_macros: s.expand_macros?,
        create_path: s.create_path?,
      }
    end,
    {
      durability_level: options.durability_level,
      store_semantics: options.store_semantics,
      access_deleted: options.access_deleted,
      cas: options.cas,
      expiry: options.expiry,
    }
  )
  result = MutateInResult.new do |res|
    res.transcoder = options.transcoder
    res.cas = resp[:cas]
    res.mutation_token = extract_mutation_token(resp)
    res.first_error_index = resp[:first_error_index]
    res.encoded = resp[:fields].map do |field|
      SubDocumentField.new do |f|
        f.exists = field[:exists]
        f.path = field[:path]
        f.status = field[:status]
        f.error = field[:error]
        f.value = field[:value]
        f.type = field[:type]
      end
    end
  end
  raise result.first_error unless result.success?

  result
end

#remove(id, options = RemoveOptions.new) ⇒ MutationResult

Removes a document from the collection

Parameters:

  • id (String) —

    the document id which is used to uniquely identify it.

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

    request customization

Returns:

[View source]

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# File 'lib/couchbase/collection.rb', line 141

def remove(id, options = RemoveOptions.new)
  resp = @backend.document_remove(bucket_name, "#{@scope_name}.#{@name}", id, options.timeout, {
    durability_level: options.durability_level,
  })
  MutationResult.new do |res|
    res.cas = resp[:cas]
    res.mutation_token = extract_mutation_token(resp)
  end
end

#replace(id, content, options = ReplaceOptions.new) ⇒ MutationResult

Replaces a full document which already exists

Parameters:

  • id (String) —

    the document id which is used to uniquely identify it.

  • content (Object) —

    the document content to upsert

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

    request customization

Returns:

[View source]

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# File 'lib/couchbase/collection.rb', line 196

def replace(id, content, options = ReplaceOptions.new)
  blob, flags = options.transcoder.encode(content)
  resp = @backend.document_replace(bucket_name, "#{@scope_name}.#{@name}", id, options.timeout, blob, flags, {
    durability_level: options.durability_level,
    expiry: options.expiry,
    cas: options.cas,
  })
  MutationResult.new do |res|
    res.cas = resp[:cas]
    res.mutation_token = extract_mutation_token(resp)
  end
end

#touch(id, expiry, options = TouchOptions.new) ⇒ MutationResult

Update the expiration of the document with the given id

Parameters:

  • id (String) —

    the document id which is used to uniquely identify it.

  • expiry (Integer) —

    new expiration time for the document

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

    request customization

Returns:

[View source]

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# File 'lib/couchbase/collection.rb', line 216

def touch(id, expiry, options = TouchOptions.new)
  resp = @backend.document_touch(bucket_name, "#{@scope_name}.#{@name}", id, options.timeout, expiry)
  MutationResult.new do |res|
    res.cas = resp[:cas]
  end
end

#unlock(id, cas, options = UnlockOptions.new) ⇒ Object

Unlocks a document if it has been locked previously

Parameters:

  • id (String) —

    the document id which is used to uniquely identify it.

  • cas (Integer) —

    CAS value which is needed to unlock the document

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

    request customization

Raises:

[View source]

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# File 'lib/couchbase/collection.rb', line 230

def unlock(id, cas, options = UnlockOptions.new)
  @backend.document_unlock(bucket_name, "#{@scope_name}.#{@name}", id, options.timeout, cas)
end

#upsert(id, content, options = UpsertOptions.new) ⇒ MutationResult

Upserts (inserts or updates) a full document which might or might not exist yet

Parameters:

  • id (String) —

    the document id which is used to uniquely identify it.

  • content (Object) —

    the document content to upsert

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

    request customization

Returns:

[View source]

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# File 'lib/couchbase/collection.rb', line 177

def upsert(id, content, options = UpsertOptions.new)
  blob, flags = options.transcoder.encode(content)
  resp = @backend.document_upsert(bucket_name, "#{@scope_name}.#{@name}", id, options.timeout, blob, flags, {
    durability_level: options.durability_level,
    expiry: options.expiry,
  })
  MutationResult.new do |res|
    res.cas = resp[:cas]
    res.mutation_token = extract_mutation_token(resp)
  end
end