2 * ============LICENSE_START=======================================================
3 * ONAP : ccsdk features
4 * ================================================================================
5 * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END=========================================================
22 package org.onap.ccsdk.features.sdnr.wt.dataprovider.database.sqldb;
24 import java.sql.Connection;
25 import java.sql.DriverManager;
26 import java.sql.PreparedStatement;
27 import java.sql.ResultSet;
28 import java.sql.SQLException;
29 import java.sql.Statement;
30 import java.text.ParseException;
31 import java.util.regex.Matcher;
32 import java.util.regex.Pattern;
33 import org.onap.ccsdk.features.sdnr.wt.common.database.Portstatus;
34 import org.onap.ccsdk.features.sdnr.wt.common.database.data.AliasesEntry;
35 import org.onap.ccsdk.features.sdnr.wt.common.database.data.AliasesEntryList;
36 import org.onap.ccsdk.features.sdnr.wt.common.database.data.DatabaseVersion;
37 import org.onap.ccsdk.features.sdnr.wt.common.database.data.IndicesEntryList;
38 import org.onap.ccsdk.features.sdnr.wt.dataprovider.database.sqldb.data.SqlDBIndicesEntry;
39 import org.onap.ccsdk.features.sdnr.wt.dataprovider.database.sqldb.database.SqlDBMapper;
40 import org.onap.ccsdk.features.sdnr.wt.dataprovider.database.sqldb.database.SqlDBMapper.UnableToMapClassException;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.Entity;
42 import org.slf4j.Logger;
43 import org.slf4j.LoggerFactory;
45 public class SqlDBClient {
47 private static final Logger LOG = LoggerFactory.getLogger(SqlDBClient.class);
50 // 1=>type, e.g. mariadb, mysql, ...
54 private static final String DBURL_REGEX = "^jdbc:([^:]+):\\/\\/([^:]+):([0-9]+)\\/(.+)$";
55 private static final Pattern DBURL_PATTERN = Pattern.compile(DBURL_REGEX);
56 private static final String DBVERSION_REGEX = "^([\\d]+\\.[\\d]+\\.[\\d]+)";
57 private static final Pattern DBVERSION_PATTERN = Pattern.compile(DBVERSION_REGEX);
58 private static final String SELECT_VERSION_QUERY = "SELECT @@version as version";
60 private static final String DBNAME_DEFAULT = "sdnrdb";
61 private final String dbConnectionString;
62 private final String dbName;
63 private final String dbHost;
64 private final int dbPort;
68 * @param dbUrl e.g. jdbc:mysql://sdnrdb:3306/sdnrdb
72 public SqlDBClient(String dbUrl, String username, String password) throws IllegalArgumentException {
73 this.dbConnectionString = String.format("%s?user=%s&password=%s", dbUrl, username, password);
74 final Matcher matcher = DBURL_PATTERN.matcher(dbUrl);
76 throw new IllegalArgumentException("unable to parse databaseUrl "+dbUrl);
78 this.dbHost = matcher.group(2);
79 this.dbPort = Integer.parseInt(matcher.group(3));
80 this.dbName = matcher.group(4);
83 public AliasesEntryList readViews() {
84 return this.readViews(DBNAME_DEFAULT);
87 public AliasesEntryList readViews(String dbName) {
88 AliasesEntryList list = new AliasesEntryList();
89 final String query = "SELECT v.`TABLE_NAME` AS vn, t.`TABLE_NAME` AS tn\n"
90 + "FROM `information_schema`.`TABLES` AS v\n"
91 + "LEFT JOIN `information_schema`.`TABLES` AS t ON t.`TABLE_NAME` LIKE CONCAT(v.`TABLE_NAME`,'%')"
92 + " AND t.`TABLE_TYPE`='BASE TABLE'\n" + "WHERE v.`TABLE_SCHEMA`='" + dbName
93 + "' AND v.`TABLE_TYPE`='VIEW'";
94 ResultSet data = this.read(query);
97 list.add(new AliasesEntry(data.getString(2), data.getString(1)));
99 } catch (SQLException e) {
100 LOG.warn("problem reading views: ", e);
105 public IndicesEntryList readTables() {
106 final String query = "SHOW FULL TABLES WHERE `Table_type` = 'BASE TABLE'";
107 IndicesEntryList list = new IndicesEntryList();
108 ResultSet data = this.read(query);
110 while (data.next()) {
111 list.add(new SqlDBIndicesEntry(data.getString(1)));
113 } catch (SQLException e) {
114 LOG.warn("problem reading tables: ", e);
119 public void waitForYellowStatus(long timeoutms) {
120 Portstatus.waitSecondsTillAvailable(timeoutms/1000, this.dbHost, this.dbPort);
123 public DatabaseVersion readActualVersion() throws SQLException, ParseException {
126 data = this.read(SELECT_VERSION_QUERY);
128 final String s = data.getString(1);
129 final Matcher matcher = DBVERSION_PATTERN.matcher(s);
132 if (matcher.find()) {
133 return new DatabaseVersion(matcher.group(1));
135 throw new ParseException(String.format("unable to extract version out of string '%s'", s), 0);
138 } catch (SQLException e) {
139 LOG.warn("problem reading tables: ", e);
141 throw new SQLException("unable to read version from database");
144 public boolean createTable(Entity entity, Class<?> clazz, String suffix) throws UnableToMapClassException {
145 String createStatement = SqlDBMapper.createTable(clazz, entity, suffix);
146 return this.createTable(createStatement);
149 public boolean createTable(String tableName, String tableMappings) {
150 final String createStatement = String.format("CREATE TABLE IF NOT EXISTS `%s` (%s)", tableName, tableMappings);
151 return this.createTable(createStatement);
154 public boolean createTable(String query) {
156 Connection connection = this.getConnection();
157 PreparedStatement stmt = connection.prepareStatement(query, Statement.RETURN_GENERATED_KEYS);
161 } catch (SQLException e) {
162 LOG.warn("problem creating table:", e);
167 public boolean createView(String tableName, String viewName) throws SQLException {
169 this.write(String.format("CREATE VIEW IF NOT EXISTS `%s` AS SELECT * FROM `%s`", viewName, tableName));
171 } catch (SQLException e) {
172 LOG.warn("problem deleting table:", e);
177 public boolean deleteView(String viewName) throws SQLException {
179 this.write(String.format("DROP VIEW IF EXISTS `%s`", viewName));
181 } catch (SQLException e) {
182 LOG.warn("problem deleting view:", e);
187 public boolean update(String query) throws SQLException {
188 boolean result = false;
189 Connection connection = null;
190 connection = DriverManager.getConnection(this.dbConnectionString);
191 Statement stmt = connection.createStatement();
192 result = stmt.execute(query);
193 return stmt.getUpdateCount() > 0 ? stmt.getUpdateCount() > 0 : result;
196 public boolean write(String query) throws SQLException {
197 Connection connection = this.getConnection();
198 PreparedStatement stmt = connection.prepareStatement(query, Statement.RETURN_GENERATED_KEYS);
199 boolean result = stmt.execute();
201 return stmt.getUpdateCount() > 0 ? stmt.getUpdateCount() > 0 : result;
204 public String writeAndReturnId(String query) throws SQLException {
205 Connection connection = this.getConnection();
206 PreparedStatement stmt = connection.prepareStatement(query, Statement.RETURN_GENERATED_KEYS);
208 ResultSet generatedKeys = stmt.getGeneratedKeys();
210 if (generatedKeys.next()) {
211 return String.valueOf(generatedKeys.getLong(1));
216 public boolean deleteTable(String tableName) throws SQLException {
218 this.write(String.format("DROP TABLE IF EXISTS `%s`", tableName));
220 } catch (SQLException e) {
221 LOG.warn("problem deleting table:", e);
226 public String getDatabaseName() {
230 public ResultSet read(String query) {
231 ResultSet data = null;
232 Connection connection = null;
233 Statement stmt = null;
235 connection = DriverManager.getConnection(this.dbConnectionString);
236 stmt = connection.createStatement();
237 data = stmt.executeQuery(query);
238 } catch (SQLException e) {
239 LOG.warn("problem reading tables: ", e);
242 if (connection != null) {
245 } catch (SQLException e) {
246 LOG.warn("problem closing connection: ", e);
253 public Connection getConnection() throws SQLException {
254 return DriverManager.getConnection(this.dbConnectionString);
257 public boolean delete(String query) throws SQLException {