001/* 002 * HA-JDBC: High-Availability JDBC 003 * Copyright (C) 2012 Paul Ferraro 004 * 005 * This program is free software: you can redistribute it and/or modify 006 * it under the terms of the GNU Lesser General Public License as published by 007 * the Free Software Foundation, either version 3 of the License, or 008 * (at your option) any later version. 009 * 010 * This program is distributed in the hope that it will be useful, 011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 013 * GNU Lesser General Public License for more details. 014 * 015 * You should have received a copy of the GNU Lesser General Public License 016 * along with this program. If not, see <http://www.gnu.org/licenses/>. 017 */ 018package net.sf.hajdbc.invocation; 019 020import net.sf.hajdbc.Database; 021import net.sf.hajdbc.balancer.Balancer; 022 023/** 024 * @author paul 025 * 026 */ 027public class PrimaryDatabaseSelector implements InvokeOnOneInvocationStrategy.DatabaseSelector 028{ 029 @Override 030 public <Z, D extends Database<Z>> D selectDatabase(Balancer<Z, D> balancer) 031 { 032 return balancer.primary(); 033 } 034}