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A Scala ORM and DSL for talking with Databases using minimum verbosity and maximum type safety

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/*******************************************************************************
 * Copyright 2010 Maxime Lévesque
 * 
 * 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 org.squeryl.dsl

import ast.{LogicalBoolean, ExpressionNode, QueryExpressionNode, SelectElement}
import org.squeryl.internals.ResultSetMapper
import java.sql.ResultSet

import org.squeryl.Query

trait QueryYield[R] extends QueryYieldMethods[R] {

  def invokeYield(resultSetMapper: ResultSetMapper, rs: ResultSet): R

  def invokeYieldForAst(q: QueryExpressionNode[_], rsm: ResultSetMapper): (Iterable[SelectElement], AnyRef)

  def queryElements: (
    Option[ExpressionNode],
    Option[ExpressionNode],
    Iterable[ExpressionNode],
    Iterable[ExpressionNode],
    Iterable[Query[_]]
  )

  private[squeryl] var joinExpressions: collection.Seq[() => LogicalBoolean] = Nil

}