Java tutorial
/** * Copyright 2014 Attila Kiraly * * 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 com.github.akiraly.db4j.pool; import java.sql.Connection; import javax.annotation.Nonnull; import org.apache.commons.dbcp2.BasicDataSource; @Nonnull public class DbcpUtils { public static BasicDataSource newDefaultDS() { BasicDataSource dataSource = new BasicDataSource(); dataSource.setDefaultAutoCommit(false); dataSource.setDefaultQueryTimeout(1); dataSource.setValidationQueryTimeout(1); dataSource.setMaxWaitMillis(5000); dataSource.setDefaultTransactionIsolation(Connection.TRANSACTION_READ_COMMITTED); dataSource.setInitialSize(4); dataSource.setMinIdle(4); dataSource.setMaxIdle(8); dataSource.setMaxTotal(16); dataSource.setPoolPreparedStatements(true); dataSource.setMaxOpenPreparedStatements(128); return dataSource; } }