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How to use runInitFunctionIfRequired method of org.testcontainers.jdbc.ContainerDatabaseDriver class

Best Testcontainers-java code snippet using org.testcontainers.jdbc.ContainerDatabaseDriver.runInitFunctionIfRequired

Source:ContainerDatabaseDriver.java

...108             */109            if (!initializedContainers.contains(container.getContainerId())) {110                DatabaseDelegate databaseDelegate = new JdbcDatabaseDelegate(container, queryString);111                runInitScriptIfRequired(connectionUrl, databaseDelegate);112                runInitFunctionIfRequired(connectionUrl, connection);113                initializedContainers.add(container.getContainerId());114            }115            return wrapConnection(connection, container, connectionUrl);116        }117    }118    /**119     * Wrap the connection, setting up a callback to be called when the connection is closed.120     * <p>121     * When there are no more open connections, the container itself will be stopped.122     *123     * @param connection    the new connection to be wrapped124     * @param container     the container which the connection is associated with125     * @param connectionUrl {@link ConnectionUrl} instance representing JDBC Url for this connection126     * @return the connection, wrapped127     */128    private Connection wrapConnection(final Connection connection, final JdbcDatabaseContainer container, final ConnectionUrl connectionUrl) {129        final boolean isDaemon = connectionUrl.isInDaemonMode() || connectionUrl.isReusable();130        Set<Connection> connections = containerConnections.computeIfAbsent(container.getContainerId(), k -> new HashSet<>());131        connections.add(connection);132        final Set<Connection> finalConnections = connections;133        return new ConnectionWrapper(connection, () -> {134            finalConnections.remove(connection);135            if (!isDaemon && finalConnections.isEmpty()) {136                container.stop();137                jdbcUrlContainerCache.remove(connectionUrl.getUrl());138            }139        });140    }141    /**142     * Run an init script from the classpath.143     *144     * @param connectionUrl    {@link ConnectionUrl} instance representing JDBC Url with init script.145     * @param databaseDelegate database delegate to apply init scripts to the database146     * @throws SQLException on script or DB error147     */148    private void runInitScriptIfRequired(final ConnectionUrl connectionUrl, DatabaseDelegate databaseDelegate) throws SQLException {149        if (connectionUrl.getInitScriptPath().isPresent()) {150            String initScriptPath = connectionUrl.getInitScriptPath().get();151            try {152                URL resource;153                if (initScriptPath.startsWith(FILE_PATH_PREFIX)) {154                    //relative workdir path155                    resource = new URL(initScriptPath);156                } else {157                    //classpath resource158                    resource = Thread.currentThread().getContextClassLoader().getResource(initScriptPath);159                }160                if (resource == null) {161                    LOGGER.warn("Could not load classpath init script: {}", initScriptPath);162                    throw new SQLException("Could not load classpath init script: " + initScriptPath + ". Resource not found.");163                }164                String sql = IOUtils.toString(resource, StandardCharsets.UTF_8);165                ScriptUtils.executeDatabaseScript(databaseDelegate, initScriptPath, sql);166            } catch (IOException e) {167                LOGGER.warn("Could not load classpath init script: {}", initScriptPath);168                throw new SQLException("Could not load classpath init script: " + initScriptPath, e);169            } catch (ScriptException e) {170                LOGGER.error("Error while executing init script: {}", initScriptPath, e);171                throw new SQLException("Error while executing init script: " + initScriptPath, e);172            }173        }174    }175    /**176     * Run an init function (must be a public static method on an accessible class).177     *178     * @param connectionUrl {@link ConnectionUrl} instance representing JDBC Url with r init function declarations.179     * @param connection    JDBC connection to apply init functions to.180     * @throws SQLException on script or DB error181     */182    private void runInitFunctionIfRequired(final ConnectionUrl connectionUrl, Connection connection) throws SQLException {183        if (connectionUrl.getInitFunction().isPresent()) {184            String className = connectionUrl.getInitFunction().get().getClassName();185            String methodName = connectionUrl.getInitFunction().get().getMethodName();186            try {187                Class<?> initFunctionClazz = Class.forName(className);188                Method method = initFunctionClazz.getMethod(methodName, Connection.class);189                method.invoke(null, connection);190            } catch (ClassNotFoundException | NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {191                LOGGER.error("Error while executing init function: {}::{}", className, methodName, e);192                throw new SQLException("Error while executing init function: " + className + "::" + methodName, e);193            }194        }195    }196    @Override...

runInitFunctionIfRequired

Using AI Code Generation

1import org.testcontainers.jdbc.ContainerDatabaseDriver;2import org.testcontainers.jdbc.ContainerDatabaseDriver.InitFunction;3import java.sql.Connection;4import java.sql.DriverManager;5import java.sql.SQLException;6import java.util.Properties;7public class Test {8    public static void main(String[] args) throws SQLException {9            public void apply(Connection connection) throws SQLException {10            }11        });12        Properties properties = new Properties();13        properties.put("user", "root");14        properties.put("password", "");15    }16}17import org.testcontainers.jdbc.ContainerDatabaseDriver;18import org.testcontainers.jdbc.ContainerDatabaseDriver.InitFunction;19import java.sql.Connection;20import java.sql.DriverManager;21import java.sql.SQLException;22import java.util.Properties;23public class Test {

runInitFunctionIfRequired

Using AI Code Generation

1import org.testcontainers.containers.JdbcDatabaseContainer2import org.testcontainers.containers.PostgreSQLContainerProvider3import org.testcontainers.jdbc.ContainerDatabaseDriver4import java.sql.Connection5import java.sql.DriverManager6import java.sql.ResultSet7import java.sql.SQLException8import static org.testcontainers.jdbc.ContainerDatabaseDriver.DEFAULT_JDBC_DRIVER_CLASS_NAME9public class TestContainersDemo {10    public static void main(String[] args) throws SQLException {11        ContainerDatabaseDriver driver = ContainerDatabaseDriver.instance();12        JdbcDatabaseContainer container = new PostgreSQLContainerProvider().newInstance();13        Connection connection = DriverManager.getConnection(14                driver.getJdbcUrl(container),15                driver.getUsername(container),16                driver.getPassword(container));17        connection.createStatement().execute("CREATE TABLE IF NOT EXISTS person (id int not null, name varchar(255))");18        connection.createStatement().execute("INSERT INTO person VALUES (1, 'Jane Doe')");19        connection.createStatement().execute("INSERT INTO person VALUES (2, 'John Doe')");20        ResultSet resultSet = connection.createStatement().executeQuery("SELECT * FROM person");21        while (resultSet.next()) {22            System.out.println(resultSet.getString("name"));23        }24        connection.close();25    }26}

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