Class: Lafcadio::Query::Compare

Inherits:
Condition show all
Defined in:
lib/lafcadio/query.rb

Overview

:nodoc:

Constant Summary collapse

@@comparators = 
{ :lt => '<', :lte => '<=', :gte => '>=', :gt => '>' }
@@mockComparators = 
{
	:lt => Proc.new { |d1, d2| d1 < d2 },
	:lte => Proc.new { |d1, d2| d1 <= d2 },
	:gte => Proc.new { |d1, d2| d1 >= d2 },
	:gt => Proc.new { |d1, d2| d1 > d2 }
}

Instance Attribute Summary

Attributes inherited from Condition

#domain_class

Instance Method Summary collapse

Methods inherited from Condition

#&, #db_field_name, #eql?, #field, #implies?, #not, #one_pk_id?, #primary_key_field?, #query, search_term_type, #to_condition, #|

Constructor Details

#initialize(fieldName, searchTerm, domain_class, compareType) ⇒ Compare

Returns a new instance of Compare.



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# File 'lib/lafcadio/query.rb', line 417

def initialize(fieldName, searchTerm, domain_class, compareType)
	super fieldName, searchTerm, domain_class
	@compareType = compareType
end

Instance Method Details

#dobj_satisfies?(anObj) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/lafcadio/query.rb', line 422

def dobj_satisfies?(anObj)
	value = anObj.send @fieldName
	value = value.pk_id if value.class <= DomainObject
	if value
		@@mockComparators[@compareType].call(value, @searchTerm)
	else
		false
	end
end

#to_sql ⇒ Object 



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# File 'lib/lafcadio/query.rb', line 432

def to_sql
	if ( field.kind_of?( DomainObjectField ) &&
	     !@searchTerm.respond_to?( :pk_id ) )
		search_val = @searchTerm.to_s
	else
		search_val = field.value_for_sql( @searchTerm ).to_s
	end
	"#{ db_field_name } #{ @@comparators[@compareType] } #{ search_val }"
end