Java tutorial
package com.dominion.salud.pedicom.negocio.configuration; import java.util.HashMap; import org.apache.commons.lang3.StringUtils; /* * Copyright (C) 2016 Dominion Global * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ /** * * @author j.contreras-ext */ public class DataSourceContextHolder { private static final HashMap<String, String> contextHolder = new HashMap<>(); public static void setTargetDataSource(String targetDataSource) { if (StringUtils.isBlank(targetDataSource)) { throw new NullPointerException(); } contextHolder.put("Bdactual", targetDataSource); } public static String getTargetDataSource() { return (String) contextHolder.get("Bdactual"); } }