lib/grumlin.rb in grumlin-0.21.0 vs lib/grumlin.rb in grumlin-0.21.1

@@ -96,11 +96,12 @@
   end
 
   class VertexAlreadyExistsError < AlreadyExistsError; end
   class EdgeAlreadyExistsError < AlreadyExistsError; end
 
-  class ConcurrentInsertFailedError < ServerError; end
+  class ConcurrentModificationError < ServerError; end
+  class ConcurrentInsertFailedError < ConcurrentModificationError; end
 
   class ConcurrentVertexInsertFailedError < ConcurrentInsertFailedError; end
   class ConcurrentEdgeInsertFailedError < ConcurrentInsertFailedError; end
 
   class ServerSerializationError < ServerSideError; end
@@ -125,28 +126,27 @@
 
   class RepositoryError < Error; end
 
   class WrongQueryResult < RepositoryError; end
 
-  class Config
-    attr_accessor :url, :pool_size, :client_concurrency, :client_factory
-
-    def initialize
-      @pool_size = 10
-      @client_concurrency = 5
-      @client_factory = ->(url, parent) { Grumlin::Client.new(url, parent: parent) }
-    end
-  end
-
   @pool_mutex = Mutex.new
 
   class << self
     def configure
       yield config
+
+      config.validate!
     end
 
     def config
       @config ||= Config.new
+    end
+
+    # returns a subset of features for currently configured backend.
+    # The features lists are hardcoded as there is no way to get them
+    # from the remote server.
+    def features
+      Features.for(config.provider) # no memoization as provider may be changed
     end
 
     def default_pool
       if Thread.current.thread_variable_get(:grumlin_default_pool)
         return Thread.current.thread_variable_get(:grumlin_default_pool)