001/* 002 * Copyright 2012-2018 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.boot.docs.jdbc; 018 019import javax.sql.DataSource; 020 021import com.zaxxer.hikari.HikariDataSource; 022 023import org.springframework.boot.autoconfigure.jdbc.DataSourceProperties; 024import org.springframework.boot.context.properties.ConfigurationProperties; 025import org.springframework.context.annotation.Bean; 026import org.springframework.context.annotation.Configuration; 027import org.springframework.context.annotation.Primary; 028 029/** 030 * Example configuration for configuring a configurable custom {@link DataSource}. 031 * 032 * @author Stephane Nicoll 033 */ 034public class ConfigurableDataSourceExample { 035 036 /** 037 * A configuration that defines dedicated settings and reuses 038 * {@link DataSourceProperties}. 039 */ 040 @Configuration 041 static class ConfigurableDataSourceConfiguration { 042 043 // tag::configuration[] 044 @Bean 045 @Primary 046 @ConfigurationProperties("app.datasource") 047 public DataSourceProperties dataSourceProperties() { 048 return new DataSourceProperties(); 049 } 050 051 @Bean 052 @ConfigurationProperties("app.datasource.configuration") 053 public HikariDataSource dataSource(DataSourceProperties properties) { 054 return properties.initializeDataSourceBuilder().type(HikariDataSource.class) 055 .build(); 056 } 057 // end::configuration[] 058 059 } 060 061}