Class: GraphQL::Connections::Base

Inherits:
Pagination::Connection
  • Object
show all
Defined in:
lib/graphql/connections/base.rb

Overview

Base class for pagination implementations

Direct Known Subclasses

Keyset::Base, PrimaryKey::Asc, PrimaryKey::Base

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args, opaque_cursor: true, **kwargs) ⇒ Base

Returns a new instance of Base.



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# File 'lib/graphql/connections/base.rb', line 11

def initialize(*args, opaque_cursor: true, **kwargs)
  @opaque_cursor = opaque_cursor

  super(*args, **kwargs)
end

Instance Attribute Details

#opaque_cursor ⇒ Object (readonly)

Returns the value of attribute opaque_cursor.



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# File 'lib/graphql/connections/base.rb', line 7

def opaque_cursor
  @opaque_cursor
end

Instance Method Details

#cursor_for(item) ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/graphql/connections/base.rb', line 33

def cursor_for(item)
  raise NotImplementedError
end

#has_next_page ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/graphql/connections/base.rb', line 29

def has_next_page
  raise NotImplementedError
end

#has_previous_page ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/graphql/connections/base.rb', line 25

def has_previous_page
  raise NotImplementedError
end

#nodes ⇒ Object 



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# File 'lib/graphql/connections/base.rb', line 21

def nodes
  @nodes ||= limited_relation
end

#primary_key ⇒ Object 



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# File 'lib/graphql/connections/base.rb', line 17

def primary_key
  @primary_key ||= items.model.primary_key
end