class Baza::Driver::Sqlite3Java

This class handels SQLite3-specific behaviour.

Attributes

mutex_statement_reader[R]

Public Class Methods

args() click to toggle source
# File lib/baza/driver/sqlite3_java.rb, line 20
def self.args
  [{
    label: "Path",
    name: "path"
  }]
end
from_object(args) click to toggle source

Helper to enable automatic registering of database using Baza::Db.from_object

# File lib/baza/driver/sqlite3_java.rb, line 8
def self.from_object(args)
  if args[:object].class.name == "Java::OrgSqlite::SQLiteConnection"
    return {
      type: :success,
      args: {
        type: :sqlite3_java,
        conn: args[:object]
      }
    }
  end
end
new(db) click to toggle source

Constructor. This should not be called manually.

Calls superclass method Baza::JdbcDriver::new
# File lib/baza/driver/sqlite3_java.rb, line 28
def initialize(db)
  super

  @path = @db.opts[:path] if @db.opts[:path]
  @preload_results = true

  if @db.opts[:conn]
    @conn = @db.opts[:conn]
  else
    org.sqlite.JDBC
    reconnect
  end
end

Public Instance Methods

escape(string) click to toggle source

Escapes a string to be safe to used in a query.

# File lib/baza/driver/sqlite3_java.rb, line 50
def escape(string)
  # This code is taken directly from the documentation so we dont have to rely on the SQLite3::Database class. This way it can also be used with JRuby and IronRuby...
  # http://sqlite-ruby.rubyforge.org/classes/SQLite/Database.html
  string.to_s.gsub(/'/, "''")
end
reconnect() click to toggle source
# File lib/baza/driver/sqlite3_java.rb, line 42
def reconnect
  raise "No path was given." unless @path

  @stmt = nil
  @conn = java.sql.DriverManager.getConnection("jdbc:sqlite:#{@path}")
end
transaction() { |db| ... } click to toggle source
# File lib/baza/driver/sqlite3_java.rb, line 56
def transaction
  query_no_result_set("BEGIN TRANSACTION")

  begin
    yield @db
    query_no_result_set("COMMIT")
  rescue
    query_no_result_set("ROLLBACK")
    raise
  end
end