Java tutorial
/** * Copyright 2013-2017 the original author or authors. * * 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 org.mybatis.cdi; import java.util.Collection; import java.util.Collections; import java.util.HashMap; import java.util.Map; import javax.annotation.PostConstruct; import javax.enterprise.context.ApplicationScoped; import javax.enterprise.inject.Any; import javax.enterprise.inject.Instance; import javax.inject.Inject; import org.apache.ibatis.session.SqlSessionFactory; import org.apache.ibatis.session.SqlSessionManager; /** * * @author Frank D. Martinez [mnesarco] */ @ApplicationScoped public class SqlSessionManagerRegistry { private Map<SqlSessionFactory, SqlSessionManager> managers; @Inject @Any private Instance<SqlSessionFactory> factories; /** * Inits the SqlSessionManagerRegistry. */ @PostConstruct public void init() { if (this.factories.isUnsatisfied()) { throw new MybatisCdiConfigurationException( "There are no SqlSessionFactory producers properly configured."); } Map<SqlSessionFactory, SqlSessionManager> m = new HashMap<SqlSessionFactory, SqlSessionManager>(); for (SqlSessionFactory factory : this.factories) { SqlSessionManager manager = SqlSessionManager.newInstance(factory); m.put(factory, manager); } this.managers = Collections.unmodifiableMap(m); } public SqlSessionManager getManager(SqlSessionFactory factory) { return this.managers.get(factory); } public Collection<SqlSessionManager> getManagers() { return this.managers.values(); } }