Class: OrientDB::OClassImpl

Inherits:
Object
  • Object
show all
Defined in:
lib/orientdb/oclass.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.create(db, name, fields = { }) ⇒ Object 



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# File 'lib/orientdb/oclass.rb', line 92

def create(db, name, fields = { })
  name        = name.to_s
  add_cluster = fields.delete :add_cluster
  add_cluster = true if add_cluster.nil?
  use_cluster = fields.delete :use_cluster

  if db.schema.exists_class? name
    klass = db.get_class name
  else
    if use_cluster
      klass = db.schema.create_class name, use_cluster
    elsif add_cluster && !db.storage.cluster_names.include?(name.downcase)
      #debugger
      cluster = db.storage.add_cluster STORAGE_TYPES[:physical], name.downcase, "/tmp/database", 'default', {}
      klass   = db.schema.create_class name, cluster
    else
      klass = db.schema.create_class name
    end
  end

  super_klass = fields.delete :super
  super_klass = db.get_class(super_klass.to_s) unless super_klass.is_a?(OrientDB::OClassImpl)
  klass.set_super_class super_klass if super_klass
  db.schema.save

  unless fields.empty?
    fields.each do |property_name, type|
      case type
        when Symbol, Array, OrientDB::OClassImpl
          klass.add property_name, type
        when Hash
          options = type.dup
          type    = options.delete :type
          klass.add property_name, type, options
        else
          raise "Unknown field options [#{type.inspect}]"
      end
    end
    db.schema.save
  end

  klass
end

.type_for(value, schema) ⇒ Object 



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# File 'lib/orientdb/oclass.rb', line 72

def type_for(value, schema)
  value = value.oclass if value.respond_to?(:oclass)
  type = case value
           when OrientDB::SchemaType, OrientDB::OClassImpl
             value
           when String
             if schema.exists_class?(value)
               schema.get_class(value)
             else
               FIELD_TYPES[value.to_sym]
             end
           when Symbol
             FIELD_TYPES[value]
           else
             FIELD_TYPES[value.to_s.to_sym]
         end
  raise "Uknown schema type for [#{value}] (#{value.class.name})" unless type
  type
end

Instance Method Details

#[](property_name) ⇒ Object 



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# File 'lib/orientdb/oclass.rb', line 47

def [](property_name)
  property_name = property_name.to_s
  exists_property(property_name) ? get_property(property_name) : nil
end

#add(property_name, type, options = { }) ⇒ Object 



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# File 'lib/orientdb/oclass.rb', line 9

def add(property_name, type, options = { })
  property_name = property_name.to_s
  if exists_property(property_name)
    puts "We already have that property name [#{property_name}]"
    return false
  end

  type = type.oclass if type.respond_to?(:oclass)
  case type
    when SchemaType
      prop = create_property property_name, type
    when Symbol
      prop = create_property property_name, type_for(type)
    when OClassImpl
      prop = create_property property_name, type_for(:link), type
    when Array
      type, sub_type = type_for(type.first), type_for(type.last)
      prop = create_property property_name, type, sub_type
    else
      raise "ERROR! Unknown type [ #{property_name} | #{type} : #{type.class.name} ]"
  end

  prop.set_min options[:min].to_s unless options[:min].nil?
  prop.set_max options[:max].to_s unless options[:max].nil?
  prop.set_mandatory !!options[:mandatory] unless options[:mandatory].nil?
  prop.set_not_null options[:not_null] unless options[:not_null].nil?
  unless options[:index].nil?
    index_type = options[:index] == true ? INDEX_TYPES[:notunique] : INDEX_TYPES[options[:index]]
    prop.createIndex index_type
  end

  self
end

#add_index ⇒ Object 



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# File 'lib/orientdb/oclass.rb', line 43

def add_index

end

#db ⇒ Object 



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# File 'lib/orientdb/oclass.rb', line 52

def db
  document.database
end

#inspect ⇒ Object Also known as: to_s 



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# File 'lib/orientdb/oclass.rb', line 60

def inspect
  props = properties.map { |x| "#{x.name}=#{x.type.name}#{x.is_indexed? ? '(idx)' : ''}" }.join(' ')
  "#<OrientDB::OClassImpl:" + name +
    (getSuperClass ? ' super=' + getSuperClass.name : '') +
    (props.empty? ? '' : ' ' + props) +
    ">"
end

#schema ⇒ Object 



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# File 'lib/orientdb/oclass.rb', line 56

def schema
  db.metadata.schema
end

#type_for(value) ⇒ Object 



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# File 'lib/orientdb/oclass.rb', line 5

def type_for(value)
  self.class.type_for value, schema
end