scalikejdbc.ResultSetTraversable.scala Maven / Gradle / Ivy
package scalikejdbc
/*
* Copyright 2012 Kazuhiro Sera
*
* 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.
*/
import java.sql.ResultSet
/**
* [[scala.collection.Traversable]] object which wraps [[java.sql.ResultSet]]
*/
class ResultSetTraversable(rs: ResultSet) extends Traversable[WrappedResultSet] {
private[this] val cursor: ResultSetCursor = new ResultSetCursor(0)
/**
* Applies a function.
* @param f function
* @tparam U type
*/
def foreach[U](f: (WrappedResultSet) => U): Unit = {
while (rs.next()) {
cursor.position += 1
f.apply(new WrappedResultSet(rs, cursor, cursor.position))
}
}
}