Class: SimpleRecord::Base

Inherits:
RightAws::ActiveSdb::Base
  • Object
show all
Includes:
Callbacks
Defined in:
lib/simple_record.rb

Defined Under Namespace

Classes: Attribute

Constant Summary collapse

@@cache_store = 
nil
@@virtuals = 
[]
@@offset = 
9223372036854775808
@@padding = 
20
@@date_format =

Time to second precision

"%Y-%m-%dT%H:%M:%S"
@@regex_no_id = 
/.*Couldn't find.*with ID.*/
@@debug = 
""

Class Attribute Summary collapse

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Callbacks

included

Constructor Details

#initialize(*params) ⇒ Base

Returns a new instance of Base.



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# File 'lib/simple_record.rb', line 84

def initialize(attrs={})
    super
    # Need to deal with objects passed in. iterate through belongs_to perhaps and if in attrs, set the objects id rather than the object itself
end

Class Attribute Details

.domain_prefix ⇒ Object

Returns the value of attribute domain_prefix.



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# File 'lib/simple_record.rb', line 196

def domain_prefix
  @domain_prefix
end

Instance Attribute Details

#errors ⇒ Object

Returns the value of attribute errors.



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# File 'lib/simple_record.rb', line 193

def errors
  @errors
end

Class Method Details

.are_booleans(*args) ⇒ Object 



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# File 'lib/simple_record.rb', line 342

def self.are_booleans(*args)
    args.each do |arg|
        defined_attributes[arg].type = :boolean
    end
end

.are_dates(*args) ⇒ Object 



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# File 'lib/simple_record.rb', line 336

def self.are_dates(*args)
    args.each do |arg|
        defined_attributes[arg].type = :date
    end
end

.are_ints(*args) ⇒ Object 



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# File 'lib/simple_record.rb', line 329

def self.are_ints(*args)
    #    puts 'calling are_ints: ' + args.inspect
    args.each do |arg|
        defined_attributes[arg].type = :int
    end
end

.batch_save(objects, options = {}) ⇒ Object

Run pre_save on each object, then runs batch_put_attributes Returns



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# File 'lib/simple_record.rb', line 707

def self.batch_save(objects, options={})
    results = []
    to_save = []
    if objects && objects.size > 0
        objects.each do |o|
            ok = o.pre_save(options)
            raise "Pre save failed on object [" + o.inspect + "]" if !ok
            results << ok
            next if !ok
            o.pre_save2
            to_save << RightAws::SdbInterface::Item.new(o.id, o.attributes, true)
        end
    end
    connection.batch_put_attributes(domain, to_save)
    results
end

.belongs_to(association_id, options = {}) ⇒ Object

One belongs_to association per call. Call multiple times if there are more than one.

This method will also create an {association)_id method that will return the ID of the foreign object without actually materializing it.



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# File 'lib/simple_record.rb', line 361

def self.belongs_to(association_id, options = {})
    attribute = SimpleRecord::Base::Attribute.new(:belongs_to)
    defined_attributes[association_id] = attribute
    attribute.options = options
    #@@belongs_to_map[association_id] = options
    arg = association_id
    arg_s = arg.to_s
    arg_id = arg.to_s + '_id'

    # todo: should also handle foreign_key http://74.125.95.132/search?q=cache:KqLkxuXiBBQJ:wiki.rubyonrails.org/rails/show/belongs_to+rails+belongs_to&hl=en&ct=clnk&cd=1&gl=us
    #    puts "arg_id=#{arg}_id"
    #        puts "is defined? " + eval("(defined? #{arg}_id)").to_s
    #        puts 'atts=' + @attributes.inspect

    # Define reader method
    send(:define_method, arg) do
        attribute = defined_attributes_local[arg]
        options2 = attribute.options # @@belongs_to_map[arg]
        class_name = options2[:class_name] || arg.to_s[0...1].capitalize + arg.to_s[1...arg.to_s.length]

        # Camelize classnames with underscores (ie my_model.rb --> MyModel)
        class_name = class_name.camelize

        #      puts "attr=" + @attributes[arg_id].inspect
        #      puts 'val=' + @attributes[arg_id][0].inspect unless @attributes[arg_id].nil?
        ret = nil
        arg_id = arg.to_s + '_id'
        if !@attributes[arg_id].nil? && @attributes[arg_id].size > 0 && @attributes[arg_id][0] != nil && @attributes[arg_id][0] != ''
            if !@@cache_store.nil?
                arg_id_val = @attributes[arg_id][0]
                cache_key = self.class.cache_key(class_name, arg_id_val)
#          puts 'cache_key=' + cache_key
                ret = @@cache_store.read(cache_key)
#          puts 'belongs_to incache=' + ret.inspect
            end
            if ret.nil?
                to_eval = "#{class_name}.find(@attributes['#{arg_id}'][0])"
#      puts 'to eval=' + to_eval
                begin
                    ret = eval(to_eval) # (defined? #{arg}_id)
                rescue RightAws::ActiveSdb::ActiveSdbError
                    if $!.message.include? "Couldn't find"
                        ret = nil
                    else
                        raise $!
                    end
                end

            end
        end
#      puts 'ret=' + ret.inspect
        return ret
    end


    # Define writer method
    send(:define_method, arg.to_s + "=") do |value|
        arg_id = arg.to_s + '_id'
        if value.nil?
            make_dirty(arg_id, nil)
            self[arg_id]=nil unless self[arg_id].nil? # if it went from something to nil, then we have to remember and remove attribute on save
        else
            make_dirty(arg_id, value.id)
            self[arg_id]=value.id
        end
    end


    # Define ID reader method for reading the associated objects id without getting the entire object
    send(:define_method, arg_id) do
        if !@attributes[arg_id].nil? && @attributes[arg_id].size > 0 && @attributes[arg_id][0] != nil && @attributes[arg_id][0] != ''
            return @attributes[arg_id][0]
        end
        return nil
    end

    # Define writer method for setting the _id directly without the associated object
    send(:define_method, arg_id + "=") do |value|
        if value.nil?
            self[arg_id] = nil unless self[arg_id].nil? # if it went from something to nil, then we have to remember and remove attribute on save
        else
            self[arg_id] = value
        end
    end

    send(:define_method, "create_"+arg.to_s) do |*params|
        newsubrecord=eval(arg.to_s.classify).new(*params)
        newsubrecord.save
        arg_id = arg.to_s + '_id'
        self[arg_id]=newsubrecord.id
    end
end

.cache_key(class_name, id) ⇒ Object 



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# File 'lib/simple_record.rb', line 920

def self.cache_key(class_name, id)
    return class_name + "/" + id.to_s
end

.cache_results(results) ⇒ Object 



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# File 'lib/simple_record.rb', line 906

def self.cache_results(results)
    if !@@cache_store.nil? && !results.nil?
        if results.is_a?(Array)
            # todo: cache each result
        else
            class_name = results.class.name
            id = results.id
            cache_key = self.cache_key(class_name, id)
            #puts 'caching result at ' + cache_key + ': ' + results.inspect
            @@cache_store.write(cache_key, results, :expires_in =>30)
        end
    end
end

.cache_store ⇒ Object 



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# File 'lib/simple_record.rb', line 205

def self.cache_store
    return @@cache_store
end

.cache_store=(cache) ⇒ Object

Set the cache to use



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# File 'lib/simple_record.rb', line 202

def self.cache_store=(cache)
    @@cache_store = cache
end

.convert_condition_params(options) ⇒ Object 



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# File 'lib/simple_record.rb', line 894

def self.convert_condition_params(options)
    return if options.nil?
    conditions = options[:conditions]
    if !conditions.nil? && conditions.size > 1
        # all after first are values
        conditions.collect! { |x|
            self.pad_and_offset(x)
        }
    end

end

.debug ⇒ Object 



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# File 'lib/simple_record.rb', line 925

def self.debug
    @@debug
end

.delete(id) ⇒ Object

Usage: ClassName.delete id todo: move to RightAWS



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# File 'lib/simple_record.rb', line 728

def self.delete(id)
    connection.delete_attributes(domain, id)
end

.domain ⇒ Object 



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# File 'lib/simple_record.rb', line 240

def self.domain
    #return self.get_domain_name unless self.get_domain_name.nil?
    d = super
    #puts 'in self.domain, d=' + d.to_s + ' domain_prefix=' + SimpleRecord::Base.domain_prefix.to_s
    domain_name_for_class = SimpleRecord::Base.domain_prefix + d.to_s
    #self.set_domain_name(domain_name_for_class)
    domain_name_for_class
end

.find(*params) ⇒ Object 



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# File 'lib/simple_record.rb', line 847

def self.find(*params)
    #puts 'params=' + params.inspect
    q_type = :all
    select_attributes=[]

    if params.size > 0
        q_type = params[0]
    end

    # Pad and Offset number attributes
    options = {}
    if params.size > 1
        options = params[1]
        #puts 'options=' + options.inspect
        #puts 'after collect=' + options.inspect
        convert_condition_params(options)
    end
    #puts 'params2=' + params.inspect

    results = q_type == :all ? [] : nil
    begin
        results=super(*params)
        #puts 'params3=' + params.inspect
        SimpleRecord.stats.selects += 1
        if q_type != :count
            cache_results(results)
            if results.is_a?(Array)
                results = SimpleRecord::ResultsArray.new(self, params, results, next_token)
            end
        end
    rescue RightAws::AwsError, RightAws::ActiveSdb::ActiveSdbError
        puts "RESCUED: " + $!.message
        if ($!.message().index("NoSuchDomain") != nil)
            # this is ok
        elsif ($!.message() =~ @@regex_no_id)
            results = nil
        else
            raise $!
        end
    end
    return results
end

.has_attributes(*args) ⇒ Object 



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# File 'lib/simple_record.rb', line 274

def self.has_attributes(*args)
    args.each do |arg|
        defined_attributes[arg] = SimpleRecord::Base::Attribute.new(:string) if defined_attributes[arg].nil?
        # define reader method
        arg_s = arg.to_s # to get rid of all the to_s calls
        send(:define_method, arg) do
            ret = nil
            ret = get_attribute(arg)
            return nil if ret.nil?
            return un_offset_if_int(arg, ret)
        end

        # define writer method
        send(:define_method, arg_s+"=") do |value|
            make_dirty(arg_s, value)
            self[arg_s]=value
        end

        # Now for dirty methods: http://api.rubyonrails.org/classes/ActiveRecord/Dirty.html
        # define changed? method
        send(:define_method, arg_s + "_changed?") do
            @dirty.has_key?(arg_s)
        end

        # define change method
        send(:define_method, arg_s + "_change") do
            old_val = @dirty[arg_s]
            return nil if old_val.nil?
            [old_val, get_attribute(arg_s)]
        end

        # define was method
        send(:define_method, arg_s + "_was") do
            old_val = @dirty[arg_s]
            old_val
        end
    end
end

.has_booleans(*args) ⇒ Object 



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# File 'lib/simple_record.rb', line 324

def self.has_booleans(*args)
    has_attributes(*args)
    are_booleans(*args)
end

.has_dates(*args) ⇒ Object 



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# File 'lib/simple_record.rb', line 320

def self.has_dates(*args)
    has_attributes(*args)
    are_dates(*args)
end

.has_ints(*args) ⇒ Object 



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# File 'lib/simple_record.rb', line 316

def self.has_ints(*args)
    has_attributes(*args)
    are_ints(*args)
end

.has_many(*args) ⇒ Object 



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# File 'lib/simple_record.rb', line 454

def self.has_many(*args)
    args.each do |arg|
        #okay, this creates an instance method with the pluralized name of the symbol passed to belongs_to
        send(:define_method, arg) do
            #when called, the method creates a new, very temporary instance of the Activerecordtosdb_subrecord class
            #It is passed the three initializers it needs:
            #note the first parameter is just a string by time new gets it, like "user"
            #the second and third parameters are still a variable when new gets it, like user_id
            return eval(%{Activerecordtosdb_subrecord_array.new('#{arg}', self.class.name ,id)})
        end
    end
    #Disclaimer: this whole funciton just seems crazy to me, and a bit inefficient. But it was the clearest way I could think to do it code wise.
    #It's bad programming form (imo) to have a class method require something that isn't passed to it through it's variables.
    #I couldn't pass the id when calling find, since the original find doesn't work that way, so I was left with this.
end

.has_one(*args) ⇒ Object 



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# File 'lib/simple_record.rb', line 470

def self.has_one(*args)

end

.has_strings(*args) ⇒ Object 



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# File 'lib/simple_record.rb', line 313

def self.has_strings(*args)
    has_attributes(*args)
end

.has_virtuals(*args) ⇒ Object 



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# File 'lib/simple_record.rb', line 349

def self.has_virtuals(*args)
    @@virtuals = args
    args.each do |arg|
        #we just create the accessor functions here, the actual instance variable is created during initialize
        attr_accessor(arg)
    end
end

.inherited(base) ⇒ Object 



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# File 'lib/simple_record.rb', line 122

def self.inherited(base)
    #puts 'SimpleRecord::Base is inherited by ' + base.inspect
    setup_callbacks(base)

    base.has_dates :created, :updated
    base.before_create :set_created, :set_updated
    base.before_update :set_updated

end

.pad_and_offset(x) ⇒ Object 



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# File 'lib/simple_record.rb', line 525

def self.pad_and_offset(x)
    # todo: add Float, etc
    #    puts 'padding=' + x.class.name + " -- " + x.inspect
    if x.kind_of? Integer
        x += @@offset
        x_str = x.to_s
        # pad
        x_str = '0' + x_str while x_str.size < 20
        return x_str
    elsif x.respond_to?(:iso8601)
        #  puts x.class.name + ' responds to iso8601'
        #
        # There is an issue here where Time.iso8601 on an incomparable value to DateTime.iso8601.
        # Amazon suggests: 2008-02-10T16:52:01.000-05:00
        #                  "yyyy-MM-dd'T'HH:mm:ss.SSSZ"
        #
        if x.is_a? DateTime
            x_str = x.new_offset(0).strftime(@@date_format)
        else
            x_str = x.getutc.strftime(@@date_format)
        end
        #  puts 'utc=' + x_str
        return x_str
    else
        return x
    end
end

.quote_regexp(a, re) ⇒ Object 



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# File 'lib/simple_record.rb', line 826

def self.quote_regexp(a, re)
    a =~ re
    #was there a match?
    if $&
        before=$`
        middle=$&
        after=$'

        before =~ /'$/ #is there already a quote immediately before the match?
        unless $&
            return "#{before}'#{middle}'#{quote_regexp(after, re)}" #if not, put quotes around the match
        else
            return "#{before}#{middle}#{quote_regexp(after, re)}" #if so, assume it is quoted already and move on
        end
    else
        #no match, just return the string
        return a
    end
end

.sanitize_sql(*params) ⇒ Object 



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# File 'lib/simple_record.rb', line 929

def self.sanitize_sql(*params)
    return ActiveRecord::Base.sanitize_sql(*params)
end

.select(*params) ⇒ Object 



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# File 'lib/simple_record.rb', line 890

def self.select(*params)
    return find(*params)
end

.set_domain_name(table_name) ⇒ Object

Sets the domain name for this class



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# File 'lib/simple_record.rb', line 221

def self.set_domain_name(table_name)
    # puts 'setting domain name for class ' + self.inspect + '=' + table_name
    #@domain_name_for_class = table_name
    super
end

.set_domain_prefix(prefix) ⇒ Object

If you want a domain prefix for all your models, set it here.



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# File 'lib/simple_record.rb', line 210

def self.set_domain_prefix(prefix)
    #puts 'set_domain_prefix=' + prefix
    self.domain_prefix = prefix
end

.set_table_name(table_name) ⇒ Object

Same as set_table_name



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# File 'lib/simple_record.rb', line 216

def self.set_table_name(table_name)
    set_domain_name table_name
end

.setup_callbacks(base) ⇒ Object 



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# File 'lib/simple_record.rb', line 132

def self.setup_callbacks(base)
    instance_eval "\n        def callbacks\n            @callbacks ||= {}\n            @callbacks\n        end\n\n       def self.defined_attributes\n            #puts 'class defined_attributes'\n            @attributes ||= {}\n            @attributes\n        end\n\n    endofeval\n\n    @@callbacks.each do |callback|\n        class_eval <<-endofeval\n\n     def run_\#{callback}\n        #puts 'CLASS CALLBACKS for ' + self.inspect + ' = ' + self.class.callbacks.inspect\n        return true if self.class.callbacks.nil?\n        cnames = self.class.callbacks['\#{callback}']\n        cnames = [] if cnames.nil?\n        #cnames += super.class.callbacks['\#{callback}'] unless super.class.callbacks.nil?\n        # puts 'cnames XXX = ' + cnames.inspect\n        return true if cnames.nil?\n        cnames.each { |name|\n            #puts 'run_  \#{name}'\n          unless eval(name)\n            return false\n          end\n      }\n        #super.run_\#{callback}\n      return true\n    end\n\n        endofeval\n    end\nend\n"

.table_name ⇒ Object 



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# File 'lib/simple_record.rb', line 933

def self.table_name
    return domain
end

Instance Method Details

#[]=(attribute, values) ⇒ Object 



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# File 'lib/simple_record.rb', line 499

def []=(attribute, values)
    make_dirty(attribute, values)
    super
end

#changed ⇒ Object 



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# File 'lib/simple_record.rb', line 937

def changed
    return @dirty.keys
end

#changed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/simple_record.rb', line 941

def changed?
    return @dirty.size > 0
end

#changes ⇒ Object 



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# File 'lib/simple_record.rb', line 945

def changes
    ret = {}
    #puts 'in CHANGES=' + @dirty.inspect
    @dirty.each_pair {|key, value| ret[key] = [value, get_attribute(key)]}
    return ret
end

#clear_errors ⇒ Object 



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# File 'lib/simple_record.rb', line 495

def clear_errors
    @errors=SimpleRecord_errors.new
end

#convert_dates_to_sdb ⇒ Object 



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# File 'lib/simple_record.rb', line 628

def convert_dates_to_sdb()

    defined_attributes_local.each_pair do |name, att_meta|
#          puts 'int encoding: ' + i.to_s
        if att_meta.type == :date && !self[name.to_s].nil?
#            puts 'before: ' + self[i.to_s].inspect
            #            puts @attributes.inspect
            #            puts @attributes[i.to_s].inspect
            arr = @attributes[name.to_s]
            #puts 'padding date=' + i.to_s
            arr.collect!{ |x| self.class.pad_and_offset(x) }
            @attributes[name.to_s] = arr
#            puts 'after: ' + @attributes[i.to_s].inspect
        else
            #            puts 'was nil'
        end
    end
end

#defined_attributes_local ⇒ Object 



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# File 'lib/simple_record.rb', line 186

def defined_attributes_local
    #puts 'local defined_attributes'
    ret = self.class.defined_attributes
    ret.merge!(self.class.superclass.defined_attributes) if self.class.superclass.respond_to?(:defined_attributes)
end

#delete_niled(to_delete) ⇒ Object 



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# File 'lib/simple_record.rb', line 732

def delete_niled(to_delete)
    if to_delete.size > 0
#      puts 'Deleting attributes=' + to_delete.inspect
        delete_attributes to_delete
    end
end

#destroy(*params) ⇒ Object 



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# File 'lib/simple_record.rb', line 814

def destroy(*params)
    if super(*params)
        if run_after_destroy
            return true
        else
            return false
        end
    else
        return false
    end
end

#domain ⇒ Object

def self.get_domain_name

    # puts 'returning domain_name=' + @domain_name_for_class.to_s
    #return @domain_name_for_class
    return self.domain
end



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# File 'lib/simple_record.rb', line 236

def domain
    super # super.domain
end

#domain_ok(ex) ⇒ Object 



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# File 'lib/simple_record.rb', line 553

def domain_ok(ex)
    if (ex.message().index("NoSuchDomain") != nil)
        puts "Creating new SimpleDB Domain: " + domain
        self.class.create_domain
        return true
    end
    return false
end

#get_attribute(arg) ⇒ Object

Since SimpleDB supports multiple attributes per value, the values are an array. This method will return the value unwrapped if it’s the only, otherwise it will return the array.



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# File 'lib/simple_record.rb', line 253

def get_attribute(arg)
    arg = arg.to_s
    if self[arg].class==Array
        if self[arg].length==1
            ret = self[arg][0]
        else
            ret = self[arg]
        end
    else
        ret = self[arg]
    end
    ret
end

#get_atts_to_delete ⇒ Object 



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# File 'lib/simple_record.rb', line 693

def get_atts_to_delete
    # todo: this should use the @dirty hash now
    to_delete = []
    @attributes.each do |key, value|
        #      puts 'value=' + value.inspect
        if value.nil? || (value.is_a?(Array) && value.size == 0)
            to_delete << key
        end
    end
    return to_delete
end

#make_dirty(arg, value) ⇒ Object 



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# File 'lib/simple_record.rb', line 267

def make_dirty(arg, value)
    # todo: only set dirty if it changed
    #puts 'making dirty arg=' + arg.to_s + ' --- ' + @dirty.inspect
    @dirty[arg] = get_attribute(arg) # Store old value (not sure if we need it?)
    #puts 'end making dirty ' + @dirty.inspect
end

#mark_as_old ⇒ Object 



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# File 'lib/simple_record.rb', line 952

def mark_as_old
    super
    @dirty = {}
end

#pad_and_offset_ints_to_sdb ⇒ Object 



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# File 'lib/simple_record.rb', line 612

def pad_and_offset_ints_to_sdb()

    defined_attributes_local.each_pair do |name, att_meta|
#          puts 'int encoding: ' + i.to_s
        if att_meta.type == :int && !self[name.to_s].nil?
#            puts 'before: ' + self[i.to_s].inspect
            #            puts @attributes.inspect
            #            puts @attributes[i.to_s].inspect
            arr = @attributes[name.to_s]
            arr.collect!{ |x| self.class.pad_and_offset(x) }
            @attributes[name.to_s] = arr
#            puts 'after: ' + @attributes[i.to_s].inspect
        end
    end
end

#pre_save(options) ⇒ Object 



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# File 'lib/simple_record.rb', line 647

def pre_save(options)

    is_create = self[:id].nil?
    ok = run_before_validation && is_create ? run_before_validation_on_create : run_before_validation_on_update
    return false unless ok

    if respond_to?('validate')
        validate
#      puts 'AFTER VALIDATIONS, ERRORS=' + errors.inspect
        if (!@errors.nil? && @errors.length > 0 )
#        puts 'THERE ARE ERRORS, returning false'
            return false
        end
    end

    ok = run_after_validation && is_create ? run_after_validation_on_create : run_after_validation_on_update
    return false unless ok

    ok = respond_to?('before_save') ? before_save : true
    if ok
        if is_create && respond_to?('before_create')
            ok = before_create
        elsif !is_create && respond_to?('before_update')
            ok = before_update
        end
    end
    if ok
        ok = run_before_save && is_create ? run_before_create : run_before_update
    end
    if ok
#      puts 'ABOUT TO SAVE: ' + self.inspect
        # First we gotta pad and offset
        pad_and_offset_ints_to_sdb()
        convert_dates_to_sdb()
    end
    ok
end

#reload ⇒ Object 



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# File 'lib/simple_record.rb', line 806

def reload
    super()
end

#save(options = {}) ⇒ Object

Options:

- :except => Array of attributes to NOT save
- :dirty => true - Will only store attributes that were modified



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# File 'lib/simple_record.rb', line 568

def save(options={})
    #    puts 'SAVING: ' + self.inspect
    clear_errors
    is_create = self[:id].nil?
    ok = pre_save(options)
    if ok
        begin
            #        puts 'is frozen? ' + self.frozen?.to_s + ' - ' + self.inspect
            if options[:dirty] # Only used in simple_record right now
                options[:dirty_atts] = @dirty
            end
            to_delete = get_atts_to_delete # todo: this should use the @dirty hash now
            if super(options)
#          puts 'SAVED super'
                self.class.cache_results(self)
                delete_niled(to_delete)
                if is_create ? run_after_create : run_after_update && run_after_save
                    return true
                else
                    #I thought about calling destroy here, but rails doesn't behave that way, so neither will I
                    return false
                end
            else
                return false
            end
        rescue RightAws::AwsError
            # puts "RESCUED in save: " + $!
            if (domain_ok($!))
                if !@create_domain_called
                    @create_domain_called = true
                    save(options)
                else
                    raise $!
                end
            else
                raise $!
            end
        end
    else
        #@debug = "not saved"
        return false
    end
end

#save_attributes(*params) ⇒ Object 



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# File 'lib/simple_record.rb', line 685

def save_attributes(*params)
    ret = super(*params)
    if ret
        self.class.cache_results(self)
    end
    ret
end

#set_created ⇒ Object 



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# File 'lib/simple_record.rb', line 505

def set_created
#    puts 'SETTING CREATED'
    #    @created = DateTime.now
    self[:created] = DateTime.now
#    @tester = 'some test value'
    #    self[:tester] = 'some test value'
end

#set_updated ⇒ Object 



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# File 'lib/simple_record.rb', line 513

def set_updated
#    puts 'SETTING UPDATED'
    #    @updated = DateTime.now
    self[:updated] = DateTime.now
#    @tester = 'some test value updated'
end

#to_bool(x) ⇒ Object 



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# File 'lib/simple_record.rb', line 762

def to_bool(x)
    if x.is_a?(String)
        x == "true"
    else
        x
    end
end

#to_date(x) ⇒ Object 



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# File 'lib/simple_record.rb', line 753

def to_date(x)
    if x.is_a?(String)
        DateTime.parse(x)
    else
        x
    end

end

#un_offset_if_int(arg, x) ⇒ Object 



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# File 'lib/simple_record.rb', line 739

def un_offset_if_int(arg, x)
    att_meta =  defined_attributes_local[arg]
#          puts 'int encoding: ' + i.to_s
    if att_meta.type == :int
        x = un_offset_int(x)
    elsif att_meta.type == :date
        x = to_date(x)
    elsif att_meta.type == :boolean
        x = to_bool(x)
    end
    x
end

#un_offset_int(x) ⇒ Object 



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# File 'lib/simple_record.rb', line 771

def un_offset_int(x)
    if x.is_a?(String)
        x2 = x.to_i
#            puts 'to_i=' + x2.to_s
        x2 -= @@offset
#            puts 'after subtracting offset='+ x2.to_s
        x2
    else
        x
    end
end

#unpad(i, attributes) ⇒ Object 



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# File 'lib/simple_record.rb', line 783

def unpad(i, attributes)
    if !attributes[i].nil?
#          puts 'before=' + self[i].inspect
        attributes[i].collect!{ |x|
            un_offset_int(x)

        }
#          for x in self[i]
        #            x = self[i][0].to_i
        #            x -= @@offset
        #            self[i] = x
        #          end
    end
end

#unpad_self ⇒ Object 



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# File 'lib/simple_record.rb', line 798

def unpad_self
    defined_attributes_local.each_pair do |name, att_meta|
        if att_meta.type == :int
            unpad(name, @attributes)
        end
    end
end

#update_attributes(*params) ⇒ Object 



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# File 'lib/simple_record.rb', line 810

def update_attributes(*params)
    return save_attributes(*params)
end