| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.predictionio.data.storage.jdbc |
| |
| import grizzled.slf4j.Logging |
| import org.apache.predictionio.data.storage.BaseStorageClient |
| import org.apache.predictionio.data.storage.StorageClientConfig |
| import org.apache.predictionio.data.storage.StorageClientException |
| import scalikejdbc._ |
| |
| /** JDBC implementation of [[BaseStorageClient]] */ |
| class StorageClient(val config: StorageClientConfig) |
| extends BaseStorageClient with Logging { |
| override val prefix = "JDBC" |
| |
| if (!config.properties.contains("URL")) { |
| throw new StorageClientException("The URL variable is not set!", null) |
| } |
| if (!config.properties.contains("USERNAME")) { |
| throw new StorageClientException("The USERNAME variable is not set!", null) |
| } |
| if (!config.properties.contains("PASSWORD")) { |
| throw new StorageClientException("The PASSWORD variable is not set!", null) |
| } |
| |
| // set max size of connection pool |
| val maxSize: Int = config.properties.getOrElse("CONNECTIONS", "8").toInt |
| val settings = ConnectionPoolSettings(maxSize = maxSize) |
| |
| ConnectionPool.singleton( |
| config.properties("URL"), |
| config.properties("USERNAME"), |
| config.properties("PASSWORD"), |
| settings) |
| /** JDBC connection URL. Connections are managed by ScalikeJDBC. */ |
| val client = config.properties("URL") |
| } |