Github user clebertsuconic commented on a diff in the pull request:
https://github.com/apache/activemq-artemis/pull/550#discussion_r65450589
--- Diff:
artemis-jdbc-store/src/main/java/org/apache/activemq/artemis/jdbc/store/drivers/AbstractJDBCDriver.java
---
@@ -0,0 +1,129 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.activemq.artemis.jdbc.store.drivers;
+
+import java.sql.Connection;
+import java.sql.Driver;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.util.Properties;
+
+import org.apache.activemq.artemis.jdbc.store.JDBCUtils;
+import org.apache.activemq.artemis.jdbc.store.sql.SQLProvider;
+import org.apache.activemq.artemis.journal.ActiveMQJournalLogger;
+
+/**
+ * Class to hold common database functionality such as drivers and
connections
+ */
+public abstract class AbstractJDBCDriver {
+
+ protected Connection connection;
+
+ protected SQLProvider sqlProvider;
+
+ protected String jdbcConnectionUrl;
+
+ protected String jdbcDriverClass;
+
+ protected Driver dbDriver;
+
+ public AbstractJDBCDriver() {
+ }
+
+ public AbstractJDBCDriver(String tableName, String jdbcConnectionUrl,
String jdbcDriverClass) {
+ this.jdbcConnectionUrl = jdbcConnectionUrl;
+ this.jdbcDriverClass = jdbcDriverClass;
+ this.sqlProvider = JDBCUtils.getSQLProvider(jdbcDriverClass,
tableName);
+ }
+
+ public void start() throws Exception {
+ connect();
+ createSchema();
+ prepareStatements();
+ }
+
+ public void stop() throws SQLException {
+ if (sqlProvider.closeConnectionOnShutdown()) {
+ connection.close();
+ }
+ }
+
+ protected abstract void prepareStatements() throws SQLException;
+
+ protected abstract void createSchema() throws SQLException;
+
+ protected void createTable(String schemaSql) throws SQLException {
+ JDBCUtils.createTableIfNotExists(connection,
sqlProvider.getTableName(), schemaSql);
+ }
+
+ protected void connect() throws Exception {
+ try {
+ dbDriver = JDBCUtils.getDriver(jdbcDriverClass);
+ connection = dbDriver.connect(jdbcConnectionUrl, new
Properties());
+ }
+ catch (SQLException e) {
+ ActiveMQJournalLogger.LOGGER.error("Unable to connect to database
using URL: " + jdbcConnectionUrl);
--- End diff --
@mtaylor this should be using the Loggers with messages.
Any chance you can send another PR for these kind of things?
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