Class: JunglePath::Gen::SchemaTree::Filter

Inherits:
Object
  • Object
show all
Defined in:
lib/jungle_path/gen/schema_tree/filter.rb

Instance Method Summary collapse

Constructor Details

#initialize(hash = nil) ⇒ Filter

Returns a new instance of Filter.



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# File 'lib/jungle_path/gen/schema_tree/filter.rb', line 6

def initialize hash=nil
  throw "Invalid data parameter: expected a hash, but got this: #{hash}" unless hash.class == Hash or hash == nil
  allow = hash[:allow] if hash
  deny = hash[:deny] if hash
  @match_tables_allow = JunglePath::Gen::SchemaTree::MatchTables.new allow
  @match_tables_deny = JunglePath::Gen::SchemaTree::MatchTables.new deny
end

Instance Method Details

#allow?(table_name, column_name = nil) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/jungle_path/gen/schema_tree/filter.rb', line 13

def allow? table_name, column_name=nil
  if @match_tables_allow.matched?(table_name, column_name)
    if column_name and @match_tables_deny.matched?(table_name, column_name)
      return false
    end
    if column_name and !@match_tables_deny.matched?(table_name, column_name)
      return true
    end
    if !column_name and @match_tables_deny.matched?(table_name) and !@match_tables_deny.includes_columns?(table_name)
      return false
    end
    if !column_name and @match_tables_deny.includes_columns?(table_name)
      return true
    end
    return true
  end
  false
end