Scala example source code file (Transaction.scala)

This example Scala source code file (Transaction.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Scala tags/keywords

boolean, commit, option, option, pair, pair, resulttype, rollback, start, statement, string, string, transaction, transaction

The Scala Transaction.scala source code

/*                     __                                               *\
**     ________ ___   / /  ___     Scala API                            **
**    / __/ __// _ | / /  / _ |    (c) 2003-2011, LAMP/EPFL             **
**  __\ \/ /__/ __ |/ /__/ __ |                                         **
** /____/\___/_/ |_/____/_/ | |                                         **
**                          |/                                          **
\*                                                                      */



package scala.dbc
package statement;


/** A statement that changes the status of the database. */
@deprecated(DbcIsDeprecated, "2.9.0") case class Transaction [ResultType] (
  transactionBody: (scala.dbc.Database=>ResultType),
  accessMode: Option[AccessMode],
  isolationLevel: Option[IsolationLevel]
) extends Statement {
  
  /** A SQL-99 compliant string representation of the statement. */
  def sqlStartString: String = (
    "START TRANSACTION" +
    (Pair(accessMode,isolationLevel) match {
      case Pair(None,None) => ""
      case Pair(Some(am),None) => " " + am.sqlString
      case Pair(None,Some(il)) => " " + il.sqlString
      case Pair(Some(am),Some(il)) => " " + am.sqlString + ", " + il.sqlString
    })
  );
  
  def sqlCommitString: String = {
    "COMMIT"
  }
  
  def sqlAbortString: String = {
    "ROLLBACK"
  }
  
  //def transactionBody: (()=>Unit);
  
  //def accessMode: Option[AccessMode];
  
  //def isolationLevel: Option[IsolationLevel];
  
  def execute (database: scala.dbc.Database): scala.dbc.result.Status[ResultType] = {
    database.executeStatement(this);
  }
  
  def execute (database: scala.dbc.Database, debug: Boolean): scala.dbc.result.Status[ResultType] = {
    database.executeStatement(this,debug);
  }
  
}