Java tutorial
/** * Copyright (C) 2016 Scott Feldstein * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package com.scottieknows.test.cassandra; import java.util.ArrayList; import java.util.Collection; import org.springframework.boot.context.properties.EnableConfigurationProperties; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import com.datastax.driver.core.Cluster; @Configuration @EnableConfigurationProperties public class CassandraAutoConfiguration { @Bean public CassandraClusterManager cassandraClusterManager() { return new CassandraClusterManager(); } @Bean public Cluster cluster(CassandraConfigurationProperties cassandraConfigurationProperties) { Integer nodes = cassandraConfigurationProperties.getClusterNodes(); Collection<String> ips = new ArrayList<>(); for (int i = 1; i <= nodes; i++) { ips.add("127.0.0." + i); } return Cluster.builder().addContactPoints(ips.toArray(new String[0])).build(); } }