Scala example source code file (UnaryOperator.scala)

This example Scala source code file (UnaryOperator.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, boolean, expression, expression, string, string, unaryoperator, unaryoperator

The Scala UnaryOperator.scala source code

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



package scala.dbc
package statement
package expression;


@deprecated(DbcIsDeprecated, "2.9.0") abstract class UnaryOperator extends Expression {
  
  /** The name of the operator */
  def operator: String;
  
  /** Whether the operator comes before the operand or not. */
  def operatorIsLeft: Boolean;
  
  /** The operand applied to the operator. */
  def operand: Expression;
  
  /** A SQL-99 compliant string representation of the relation sub-
   * statement. This only has a meaning inside another statement. */
  def sqlInnerString: String = operatorIsLeft match {
    case true => operator + " " + operand.sqlInnerString;
    case false => operand.sqlInnerString + " " + operator;
  }
}