2 * ============LICENSE_START=======================================================
3 * ONAP : ccsdk features
4 * ================================================================================
5 * Copyright (C) 2021 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.database;
24 import com.fasterxml.jackson.core.JsonProcessingException;
25 import com.fasterxml.jackson.databind.JsonMappingException;
26 import java.lang.reflect.InvocationTargetException;
27 import java.lang.reflect.Method;
28 import java.math.BigInteger;
29 import java.sql.ResultSet;
30 import java.sql.SQLException;
31 import java.util.ArrayList;
32 import java.util.Arrays;
33 import java.util.HashMap;
34 import java.util.List;
38 import org.onap.ccsdk.features.sdnr.wt.dataprovider.database.sqldb.query.filters.DBKeyValuePair;
39 import org.onap.ccsdk.features.sdnr.wt.yang.mapper.YangToolsMapper;
40 import org.onap.ccsdk.features.sdnr.wt.yang.mapper.YangToolsMapperHelper;
41 import org.onap.ccsdk.features.sdnr.wt.yang.mapper.mapperextensions.YangToolsBuilderAnnotationIntrospector;
42 import org.onap.ccsdk.features.sdnr.wt.yang.mapper.mapperextensions.YangToolsDeserializerModifier;
43 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.DateAndTime;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.Entity;
45 import org.opendaylight.yangtools.yang.binding.DataObject;
46 import org.opendaylight.yangtools.yang.binding.Enumeration;
47 import org.opendaylight.yangtools.yang.common.Uint16;
48 import org.opendaylight.yangtools.yang.common.Uint32;
49 import org.opendaylight.yangtools.yang.common.Uint64;
50 import org.opendaylight.yangtools.yang.common.Uint8;
51 import org.slf4j.Logger;
52 import org.slf4j.LoggerFactory;
54 public class SqlDBMapper {
56 private static final Logger LOG = LoggerFactory.getLogger(SqlDBMapper.class);
58 private static final Map<Class<?>, String> mariaDBTypeMap = initTypeMap();
59 private static final String ODLID_DBTYPE = "VARCHAR(40)";
60 private static final String STRING_DBTYPE = "VARCHAR(255)";
61 private static final String ENUM_DBTYPE = "VARCHAR(100)";
62 private static final String BIGINT_DBTYPE = "BIGINT";
63 public static final String ODLID_DBCOL = "controller-id";
64 public static final String ID_DBCOL = "id";
65 private static List<Class<?>> numericClasses = Arrays.asList(Byte.class, Integer.class, Long.class,
66 BigInteger.class, Uint8.class, Uint16.class, Uint32.class, Uint64.class);
67 private static final YangToolsMapper mapper = new YangToolsMapper();
68 public static final String TABLENAME_CONTROLLER = "controller";
69 private static final String DEFAULTID_DBTYPE = "int(11)";
71 private SqlDBMapper() {
75 public static String createTableOdl() {
76 return "CREATE TABLE IF NOT EXISTS " + TABLENAME_CONTROLLER + " (`" + ID_DBCOL + "` " + ODLID_DBTYPE + " "
77 + getColumnOptions(ID_DBCOL, ODLID_DBTYPE) + "," + "`desc` " + STRING_DBTYPE + " "
78 + getColumnOptions("description", STRING_DBTYPE) + "," + "primary key(" + ID_DBCOL + "))";
81 public static <T> String createTable(Class<T> clazz, Entity e) throws UnableToMapClassException {
82 return createTable(clazz, e, "", false, true);
85 public static <T> String createTable(Class<T> clazz, Entity e, String suffix) throws UnableToMapClassException {
86 return createTable(clazz, e, suffix, false, true);
89 public static <T> String createTable(Class<T> clazz, Entity e, boolean autoIndex) throws UnableToMapClassException {
90 return createTable(clazz, e, "", false, true);
93 public static <T> String createTable(Class<T> clazz, Entity e, String suffix, boolean autoIndex,
94 boolean withControllerId)
95 throws UnableToMapClassException {
96 StringBuilder sb = new StringBuilder();
97 sb.append("CREATE TABLE IF NOT EXISTS `" + e.getName() + suffix + "` (\n");
99 sb.append("`" + ID_DBCOL + "` " + DEFAULTID_DBTYPE + " " + getColumnOptions(ID_DBCOL, DEFAULTID_DBTYPE)
102 sb.append("`" + ID_DBCOL + "` " + STRING_DBTYPE + " " + getColumnOptions(ID_DBCOL, STRING_DBTYPE) + ",\n");
104 if(withControllerId) {
105 sb.append("`" + ODLID_DBCOL + "` " + ODLID_DBTYPE + " " + getColumnOptions(ODLID_DBCOL, ODLID_DBTYPE) + ",\n");
107 for (Method method : getFilteredMethods(clazz, true)) {
108 Class<?> valueType = method.getReturnType();
109 String colName = getColumnName(method);
110 if (ID_DBCOL.equals(colName)) {
113 String dbType = getDBType(valueType);
114 String options = getColumnOptions(colName, dbType);
115 sb.append("`" + colName + "` " + dbType + " " + options + ",\n");
117 sb.append("primary key(" + ID_DBCOL + ")");
118 if(withControllerId) {
119 sb.append(",foreign key(`" + ODLID_DBCOL + "`) references " + TABLENAME_CONTROLLER + "(" + ID_DBCOL + ")");
123 return sb.toString();
126 private static String getColumnOptions(String colName, String dbType) {
127 StringBuilder options = new StringBuilder();
128 if (dbType.contains("VARCHAR")) {
129 options.append("CHARACTER SET utf8 ");
131 if (ID_DBCOL.equals(colName) || ODLID_DBCOL.equals(colName)) {
132 if (dbType.equals(DEFAULTID_DBTYPE)) {
133 options.append("NOT NULL AUTO_INCREMENT");
135 options.append("NOT NULL");
138 return options.toString();
141 public static List<Method> getFilteredMethods(Class<?> clazz, boolean getterOrSetter) {
142 Method[] methods = clazz.getMethods();
143 List<Method> list = new ArrayList<>();
144 for (Method method : methods) {
145 if (getterOrSetter) {
146 if (!isGetter(method)) {
150 if (!isSetter(method)) {
154 if (ignoreMethod(method, methods, getterOrSetter)) {
163 private static Map<Class<?>, String> initTypeMap() {
164 Map<Class<?>, String> map = new HashMap<>();
165 map.put(String.class, STRING_DBTYPE);
166 map.put(Boolean.class, "BOOLEAN");
167 map.put(Byte.class, "TINYINT");
168 map.put(Integer.class, "INTEGER");
169 map.put(Long.class, "BIGINT");
170 map.put(BigInteger.class, "BIGINT");
171 map.put(Uint8.class, "SMALLINT");
172 map.put(Uint16.class, "INTEGER");
173 map.put(Uint32.class, BIGINT_DBTYPE);
174 map.put(Uint64.class, BIGINT_DBTYPE); //????
175 map.put(DateAndTime.class, "DATETIME(3)");
179 private static boolean ignoreMethod(Method method, Method[] classMehtods, boolean getterOrSetter) {
180 final String name = method.getName();
181 if (name.equals("getAugmentations") || name.equals("getImplementedInterface")
182 || name.equals("implementedInterface") || name.equals("getClass")) {
185 for (Method cm : classMehtods) {
186 if (!cm.equals(method) && cm.getName().equals(name)) {
188 return !resolveConflict(method, cm, getterOrSetter);
190 //silicon fix for deprecated is-... and getIs- methods for booleans
191 if (method.getReturnType().equals(Boolean.class) && getterOrSetter && name.startsWith("get")
192 && cm.getName().startsWith("is") && cm.getName().endsWith(name.substring(3))) {
199 private static boolean resolveConflict(Method m1, Method m2, boolean getterOrSetter) {
200 Class<?> p1 = getterOrSetter ? m1.getReturnType() : m1.getParameterTypes()[0];
201 Class<?> p2 = getterOrSetter ? m2.getReturnType() : m2.getParameterTypes()[0];
202 if (YangToolsBuilderAnnotationIntrospector.isAssignable(p1, p2, Map.class, List.class)) {
203 return p1.isAssignableFrom(List.class); //prefer List setter
204 } else if (YangToolsBuilderAnnotationIntrospector.isAssignable(p1, p2, Uint64.class, BigInteger.class)) {
205 return p1.isAssignableFrom(Uint64.class);
206 } else if (YangToolsBuilderAnnotationIntrospector.isAssignable(p1, p2, Uint32.class, Long.class)) {
207 return p1.isAssignableFrom(Uint32.class);
208 } else if (YangToolsBuilderAnnotationIntrospector.isAssignable(p1, p2, Uint16.class, Integer.class)) {
209 return p1.isAssignableFrom(Uint16.class);
210 } else if (YangToolsBuilderAnnotationIntrospector.isAssignable(p1, p2, Uint8.class, Short.class)) {
211 return p1.isAssignableFrom(Uint8.class);
216 public static String getColumnName(Method method) {
217 String camelName = (method.getName().startsWith("get") || method.getName().startsWith("set"))
218 ? method.getName().substring(3)
219 : method.getName().substring(2);
220 return convertCamelToKebabCase(camelName);
223 private static String getDBType(Class<?> valueType) throws UnableToMapClassException {
224 String type = mariaDBTypeMap.getOrDefault(valueType, null);
226 if (implementsInterface(valueType, DataObject.class) || implementsInterface(valueType, List.class)
227 || implementsInterface(valueType, Map.class) || implementsInterface(valueType, Set.class)) {
230 if (implementsInterface(valueType, Enumeration.class)) {
233 throw new UnableToMapClassException("no mapping for " + valueType.getName() + " found");
238 private static boolean implementsInterface(Class<?> valueType, Class<?> iftoImpl) {
239 return iftoImpl.isAssignableFrom(valueType);
242 private static boolean isGetter(Method method) {
243 return method.getName().startsWith("get") || method.getName().startsWith("is")
244 || method.getName().startsWith("do");
247 private static boolean isSetter(Method method) {
248 return method.getName().startsWith("set");
252 * @param input string in Camel Case
253 * @return String in Kebab case Inspiration from KebabCaseStrategy class of com.fasterxml.jackson.databind with an
254 * additional condition to handle numbers as well Using QNAME would have been a more fool proof solution,
255 * however it can lead to performance problems due to usage of Java reflection
257 private static String convertCamelToKebabCase(String input) {
259 return input; // garbage in, garbage out
260 int length = input.length();
265 StringBuilder result = new StringBuilder(length + (length >> 1));
269 for (int i = 0; i < length; ++i) {
270 char ch = input.charAt(i);
271 char lc = Character.toLowerCase(ch);
273 if (lc == ch) { // lower-case letter means we can get new word
274 // but need to check for multi-letter upper-case (acronym), where assumption
275 // is that the last upper-case char is start of a new word
276 if ((upperCount > 1)) {
277 // so insert hyphen before the last character now
278 result.insert(result.length() - 1, '-');
279 } else if ((upperCount == 1) && Character.isDigit(ch) && i != length - 1) {
284 // Otherwise starts new word, unless beginning of string
285 if ((upperCount == 0) && (i > 0)) {
292 return result.toString();
295 public static class UnableToMapClassException extends Exception {
297 private static final long serialVersionUID = 1L;
299 public UnableToMapClassException(String message) {
305 public static String escape(Object o) {
306 return escape(o.toString());
309 public static String escape(String o) {
310 return o.replace("'", "\'");
313 public static boolean isComplex(Class<?> valueType) {
314 return DataObject.class.isAssignableFrom(valueType) || List.class.isAssignableFrom(valueType);
317 public static Object getNumericValue(Object value, Class<?> valueType) {
318 if (valueType.equals(Byte.class) || valueType.equals(Integer.class) || valueType.equals(Long.class)) {
321 if (valueType.equals(Uint8.class) || valueType.equals(Uint16.class) || valueType.equals(Uint32.class)
322 || valueType.equals(Uint64.class)) {
323 return ((Number) value).longValue();
328 public static Object bool2int(Object invoke) {
329 return Boolean.TRUE.equals(invoke) ? 1 : 0;
332 public static boolean isBoolean(Class<?> valueType) {
333 return valueType.equals(Boolean.class);
336 public static boolean isNumeric(Class<?> valueType) {
337 return numericClasses.contains(valueType);
341 private static boolean isDateTime(Class<?> valueType) {
342 return valueType.equals(DateAndTime.class);
345 private static boolean isYangEnum(Class<?> valueType) {
346 return YangToolsMapperHelper.implementsInterface(valueType, Enumeration.class);
349 public static <T extends DataObject> List<T> read(ResultSet data, Class<T> clazz)
350 throws IllegalAccessException, IllegalArgumentException, InvocationTargetException, InstantiationException,
351 SecurityException, NoSuchMethodException, JsonProcessingException, SQLException {
352 return read(data, clazz, null);
355 @SuppressWarnings("unchecked")
356 public static <S,T> List<T> read(ResultSet data, Class<T> clazz, String column)
357 throws IllegalAccessException, IllegalArgumentException, InvocationTargetException, SQLException,
358 InstantiationException, SecurityException, NoSuchMethodException, JsonProcessingException {
360 return Arrays.asList();
362 S builder = findPOJOBuilder(clazz);
363 if(builder==null && column==null) {
364 throw new InstantiationException("unable to find builder for class "+clazz.getName());
367 List<T> list = new ArrayList<>();
368 while (data.next()) {
369 if (column == null) {
372 for (Method m : getFilteredMethods(builder.getClass(), false)) {
373 argType = m.getParameterTypes()[0];
374 col = getColumnName(m);
375 m.setAccessible(true);
376 m.invoke(builder, getValueOrDefault(data, col, argType, null));
378 list.add(callBuild(builder));
380 Object value = getValueOrDefault(data, column, clazz, null);
389 @SuppressWarnings("unchecked")
390 private static <S,T> T callBuild(S builder) throws NoSuchMethodException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
391 Method method = builder.getClass().getMethod("build");
392 return (T) method.invoke(builder);
395 @SuppressWarnings("unchecked")
396 private static <S,T> S findPOJOBuilder(Class<T> ac) throws InstantiationException, IllegalAccessException,
397 IllegalArgumentException, InvocationTargetException, SecurityException, NoSuchMethodException {
399 String builder = null;
401 if (ac.isInterface()) {
402 String clsName = ac.getName();
403 if (clsName.endsWith("Entity")) {
404 clsName = clsName.substring(0, clsName.length() - 6);
406 builder = clsName + "Builder";
408 if (builder != null) {
409 Class<?> innerBuilder = YangToolsMapperHelper.findClass(builder);
410 //Class<Builder<T>> builderClass = (Class<Builder<T>>) innerBuilder;
411 return (S) innerBuilder.getDeclaredConstructor().newInstance();
413 } catch (ClassNotFoundException e) {
419 private static Object getValueOrDefault(ResultSet data, String col, Class<?> dstType, Object defaultValue)
420 throws SQLException, JsonMappingException, JsonProcessingException {
421 if (isBoolean(dstType)) {
422 return data.getBoolean(col);
423 } else if (isNumeric(dstType)) {
424 return getNumeric(dstType, data.getLong(col));
425 } else if (String.class.equals(dstType)) {
426 return data.getString(col);
427 } else if (isYangEnum(dstType)) {
428 return getYangEnum(data.getString(col), dstType);
429 } else if (isDateTime(dstType)) {
430 String v = data.getString(col);
431 return v == null || v.equals("null") ? null : DateAndTime.getDefaultInstance(v.replace(" ", "T") + "Z");
432 } else if (isComplex(dstType)) {
433 String v = data.getString(col);
435 return (v == null || v.equalsIgnoreCase("null")) ? null : mapper.readValue(v, dstType);
442 private static Object getYangEnum(String value, Class<?> dstType) {
443 if (value == null || value.equals("null")) {
447 return YangToolsDeserializerModifier.parseEnum(value, dstType);
448 } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException | NoSuchMethodException
449 | SecurityException e) {
450 LOG.warn("unable to parse enum value '{}' to class {}: ", value, dstType, e);
455 private static Object getNumeric(Class<?> dstType, long value) {
456 if (dstType.equals(Uint64.class)) {
457 return Uint64.valueOf(value);
458 } else if (dstType.equals(Uint32.class)) {
459 return Uint32.valueOf(value);
460 } else if (dstType.equals(Uint16.class)) {
461 return Uint16.valueOf(value);
462 } else if (dstType.equals(Uint8.class)) {
463 return Uint8.valueOf(value);
464 } else if (dstType.equals(Long.class)) {
466 } else if (dstType.equals(Integer.class)) {
468 } else if (dstType.equals(Byte.class)) {
474 public static DBKeyValuePair<String> getEscapedKeyValue(Method m, String col, Object value)
475 throws JsonProcessingException {
476 Class<?> valueType = m.getReturnType();
477 String svalue = null;
478 if (isBoolean(valueType)) {
479 svalue = String.valueOf(bool2int(value));
480 } else if (isNumeric(valueType)) {
481 svalue = String.valueOf(getNumericValue(value, valueType));
482 } else if (isDateTime(valueType)) {
483 svalue = "'" + getDateTimeValue((DateAndTime) value) + "'";
484 } else if (isComplex(valueType)) {
485 svalue = "'" + escape(mapper.writeValueAsString(value)) + "'";
487 svalue = "'" + escape(value) + "'";
489 return new DBKeyValuePair<>("`" + col + "`", svalue);
492 private static String getDateTimeValue(DateAndTime value) {
493 String s = value.getValue();
494 if (s.endsWith("Z")) {
495 s = s.substring(0, s.length() - 1).replace("T", " ");
496 } else if (s.contains("+")) {
497 s = s.substring(0, s.indexOf("+")).replace("T", " ");