/
SquerylRecord.scala
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/
SquerylRecord.scala
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/*
* Copyright 2010 WorldWide Conferencing, LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.liftweb
package squerylrecord
import common.{Box, Full, Loggable}
import db.DB
import util.DynoVar
import org.squeryl.{Session, SessionFactory}
import org.squeryl.internals.{DatabaseAdapter, FieldMetaData}
/** Object containing initialization logic for the Squeryl/Record integration */
object SquerylRecord extends Loggable {
/** Keep track of the current Squeryl Session we've created using DB */
private object currentSession extends DynoVar[Session]
/**
* We have to remember the default Squeryl metadata factory before
* we override it with our own implementation, so that we can use
* the original factory for non-record classes.
*/
private[squerylrecord] var posoMetaDataFactory = FieldMetaData.factory
/**
* Initialize the Squeryl/Record integration. This must be called somewhere during your Boot, and before you use any
* Records with Squeryl. Use this function instead of init if you want to use the squeryl session factory
* instead of mapper.DB as the transaction manager with squeryl-record.
*/
def initWithSquerylSession(sessionFactory: => Session) {
FieldMetaData.factory = new RecordMetaDataFactory
SessionFactory.concreteFactory = Some(() => sessionFactory)
}
/**
* Initialize the Squeryl/Record integration. This must be called somewhere during your Boot, and before you use any
* Records with Squeryl. Use this function if you want to use mapper.DB as the transaction manager
* with squeryl-record.
*/
def init(mkAdapter: () => DatabaseAdapter) = {
FieldMetaData.factory = new RecordMetaDataFactory
SessionFactory.externalTransactionManagementAdapter = Some(() => currentSession.is openOr {
DB.currentConnection match {
case Full(superConn) =>
val sess = Session.create(superConn.connection, mkAdapter())
sess.setLogger(s => logger.debug(s))
currentSession.set(sess)
sess
case _ => error("no current connection in scope. wrap your transaction with DB.use or use one of the DB loan wrappers")
}
})
}
}