Java tutorial
/* * Copyright 2002-2016 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 * * https://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.springframework.jdbc.datasource.init; import java.sql.Connection; import java.sql.SQLException; /** * Strategy used to populate, initialize, or clean up a database. * * @author Keith Donald * @author Sam Brannen * @since 3.0 * @see ResourceDatabasePopulator * @see DatabasePopulatorUtils * @see DataSourceInitializer */ @FunctionalInterface public interface DatabasePopulator { /** * Populate, initialize, or clean up the database using the provided JDBC * connection. * <p>Concrete implementations <em>may</em> throw an {@link SQLException} if * an error is encountered but are <em>strongly encouraged</em> to throw a * specific {@link ScriptException} instead. For example, Spring's * {@link ResourceDatabasePopulator} and {@link DatabasePopulatorUtils} wrap * all {@code SQLExceptions} in {@code ScriptExceptions}. * @param connection the JDBC connection to use to populate the db; already * configured and ready to use; never {@code null} * @throws SQLException if an unrecoverable data access exception occurs * during database population * @throws ScriptException in all other error cases * @see DatabasePopulatorUtils#execute */ void populate(Connection connection) throws SQLException, ScriptException; }