PaasConnectionFactory.java

/*******************************************************************************
 * /*
 *  *
 *  *  Copyright 2013 Netflix, Inc.
 *  *
 *  *     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.netflix.staash.connection;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import com.datastax.driver.core.Cluster;
import com.datastax.driver.core.policies.RoundRobinPolicy;
import com.datastax.driver.core.policies.TokenAwarePolicy;
import com.netflix.staash.cassandra.discovery.EurekaAstyanaxHostSupplier;
import com.netflix.staash.json.JsonObject;
import com.netflix.staash.model.CassandraStorage;
import com.netflix.staash.model.MySqlStorage;
import com.netflix.staash.service.CLIENTTYPE;

public class PaasConnectionFactory implements ConnectionFactory{
    private String clientType = "astyanax";
    private EurekaAstyanaxHostSupplier hs;
    public PaasConnectionFactory(String clientType, EurekaAstyanaxHostSupplier hs) {
        this.clientType = clientType;
        this.hs = hs;
    }
    public PaasConnection createConnection(JsonObject storageConf, String db)  {
        String type = storageConf.getString("type");
        if (type.equals("mysql")) {
            MySqlStorage mysqlStorageConf = new MySqlStorage(storageConf);
            try {
                Class.forName("com.mysql.jdbc.Driver");
                Connection connection = DriverManager
                        .getConnection(mysqlStorageConf.getJdbcurl(),mysqlStorageConf.getUser(), mysqlStorageConf.getPassword());
                return new MySqlConnection(connection);
            } catch (ClassNotFoundException e) {
                e.printStackTrace();
                throw new RuntimeException(e);
            } catch (SQLException e) {
                e.printStackTrace();
                throw new RuntimeException(e);
            }
        } else {
            CassandraStorage cassStorage = new CassandraStorage(storageConf);
            if (clientType.equals(CLIENTTYPE.ASTYANAX.getType())) {
                return new AstyanaxCassandraConnection(cassStorage.getCluster(), db, hs);
            } else {
            Cluster cluster = Cluster.builder().withLoadBalancingPolicy(new TokenAwarePolicy(new RoundRobinPolicy())).addContactPoint(cassStorage.getCluster()).build();
            return new CassandraConnection(cluster);
            }
        }
    }
}