Builder is the workhorse of MetaSearch — it is the class that handles dynamically generating methods based on a supplied model, and is what gets instantiated when you call your model‘s search method. Builder doesn‘t generate any methods until they‘re needed, using method_missing to compare requested method names against your model‘s attributes, associations, and the configured Where list.

Attributes

• base - The base model that Builder wraps.
• search_attributes - Attributes that have been assigned (search terms)
• relation - The ActiveRecord::Relation representing the current search.
• join_dependency - The JoinDependency object representing current association join dependencies. It‘s used internally to avoid joining association tables more than once when constructing search queries.