Class: DynamoRecord::Collection

Inherits:
Array
  • Object
show all
Defined in:
lib/dynamo_record/collection.rb

Instance Method Summary collapse

Constructor Details

#initialize(pager = nil, klass = nil) ⇒ Collection

Returns a new instance of Collection.



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# File 'lib/dynamo_record/collection.rb', line 4

def initialize(pager = nil, klass = nil)
  if pager && klass
    @pager = pager
    @klass = klass
    replace @pager.items.map { |item| klass.send(:from_database, item) }
  end
end

Instance Method Details

#each_page(&block) ⇒ Object 



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# File 'lib/dynamo_record/collection.rb', line 25

def each_page(&block)
  @pager.each do |page|
    yield self.class.new(page, @klass)
  end
end

#last_evaluated_key ⇒ Object 



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

def last_evaluated_key
  @pager.last_evaluated_key
end

#last_page? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dynamo_record/collection.rb', line 16

def last_page?
  @pager ? @pager.last_page? : true
end

#next_page ⇒ Object 



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# File 'lib/dynamo_record/collection.rb', line 20

def next_page
  return self.class.new(@pager.next_page, @klass) if @pager.next_page?
  self.class.new
end

#next_page? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dynamo_record/collection.rb', line 12

def next_page?
  @pager ? @pager.next_page? : false
end