Class: SimpleQuery::LimitOffsetClause

Inherits:
Object
  • Object
show all
Defined in:
lib/simple_query/clauses/limit_offset_clause.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ LimitOffsetClause

Returns a new instance of LimitOffsetClause.



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# File 'lib/simple_query/clauses/limit_offset_clause.rb', line 7

def initialize
  @limit_value = nil
  @offset_value = nil
end

Instance Attribute Details

#limit_value ⇒ Object (readonly)

Returns the value of attribute limit_value.



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# File 'lib/simple_query/clauses/limit_offset_clause.rb', line 5

def limit_value
  @limit_value
end

#offset_value ⇒ Object (readonly)

Returns the value of attribute offset_value.



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# File 'lib/simple_query/clauses/limit_offset_clause.rb', line 5

def offset_value
  @offset_value
end

Instance Method Details

#apply_to(query) ⇒ Object 



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# File 'lib/simple_query/clauses/limit_offset_clause.rb', line 24

def apply_to(query)
  query.take(@limit_value) if @limit_value
  query.skip(@offset_value) if @offset_value
  query
end

#with_limit(limit) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/simple_query/clauses/limit_offset_clause.rb', line 12

def with_limit(limit)
  raise ArgumentError, "LIMIT must be a positive integer" unless limit.is_a?(Integer) && limit.positive?

  @limit_value = limit
end

#with_offset(offset) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/simple_query/clauses/limit_offset_clause.rb', line 18

def with_offset(offset)
  raise ArgumentError, "OFFSET must be a non-negative integer" unless offset.is_a?(Integer) && offset >= 0

  @offset_value = offset
end