2 * ============LICENSE_START==========================================
4 * ===================================================================
5 * Copyright (c) 2017 AT&T Intellectual Property
6 * ===================================================================
7 * Modifications Copyright (C) 2019 IBM.
8 * Modifications Copyright (c) 2019 Samsung
9 * ===================================================================
10 * Licensed under the Apache License, Version 2.0 (the "License");
11 * you may not use this file except in compliance with the License.
12 * You may obtain a copy of the License at
14 * http://www.apache.org/licenses/LICENSE-2.0
16 * Unless required by applicable law or agreed to in writing, software
17 * distributed under the License is distributed on an "AS IS" BASIS,
18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19 * See the License for the specific language governing permissions and
20 * limitations under the License.
22 * ============LICENSE_END=============================================
23 * ====================================================================
26 package org.onap.music.conductor.conditionals;
28 import java.io.PrintWriter;
29 import java.io.StringWriter;
30 import java.util.HashMap;
33 import org.codehaus.jettison.json.JSONObject;
34 import org.onap.music.datastore.MusicDataStoreHandle;
35 import org.onap.music.datastore.PreparedQueryObject;
36 import org.onap.music.eelf.logging.EELFLoggerDelegate;
37 import org.onap.music.eelf.logging.format.AppMessages;
38 import org.onap.music.eelf.logging.format.ErrorSeverity;
39 import org.onap.music.eelf.logging.format.ErrorTypes;
40 import org.onap.music.exceptions.MusicLockingException;
41 import org.onap.music.exceptions.MusicQueryException;
42 import org.onap.music.exceptions.MusicServiceException;
43 import org.onap.music.main.MusicCore;
44 import org.onap.music.main.MusicUtil;
45 import org.onap.music.main.ResultType;
46 import org.onap.music.main.ReturnType;
47 import org.onap.music.rest.RestMusicDataAPI;
49 import com.datastax.driver.core.ColumnDefinitions;
50 import com.datastax.driver.core.DataType;
51 import com.datastax.driver.core.ResultSet;
52 import com.datastax.driver.core.Row;
53 import com.datastax.driver.core.TableMetadata;
55 public class MusicConditional {
56 private static EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(RestMusicDataAPI.class);
58 public static ReturnType conditionalInsert(String keyspace, String tablename, String casscadeColumnName,
59 Map<String, Object> casscadeColumnData, String primaryKey, Map<String, Object> valuesMap,
60 Map<String, String> status) throws Exception {
62 Map<String, PreparedQueryObject> queryBank = new HashMap<>();
63 TableMetadata tableInfo = null;
64 tableInfo = MusicDataStoreHandle.returnColumnMetadata(keyspace, tablename);
65 DataType primaryIdType = tableInfo.getPrimaryKey().get(0).getType();
66 String primaryId = tableInfo.getPrimaryKey().get(0).getName();
67 DataType casscadeColumnType = tableInfo.getColumn(casscadeColumnName).getType();
68 String vector = String.valueOf(Thread.currentThread().getId() + System.currentTimeMillis());
70 PreparedQueryObject select = new PreparedQueryObject();
71 select.appendQueryString("SELECT * FROM " + keyspace + "." + tablename + " where " + primaryId + " = ?");
72 select.addValue(MusicUtil.convertToActualDataType(primaryIdType, primaryKey));
73 queryBank.put(MusicUtil.SELECT, select);
75 PreparedQueryObject update = new PreparedQueryObject();
76 //casscade column values
77 Map<String, String> updateColumnvalues = getValues(true, casscadeColumnData, status);
78 Object formatedValues = MusicUtil.convertToActualDataType(casscadeColumnType, updateColumnvalues);
79 update.appendQueryString("UPDATE " + keyspace + "." + tablename + " SET " + casscadeColumnName + " ="
80 + casscadeColumnName + " + ? , vector_ts = ?" + " WHERE " + primaryId + " = ? ");
81 update.addValue(formatedValues);
82 update.addValue(MusicUtil.convertToActualDataType(DataType.text(), vector));
83 update.addValue(MusicUtil.convertToActualDataType(primaryIdType, primaryKey));
84 queryBank.put(MusicUtil.UPDATE, update);
87 //casscade column values
88 Map<String, String> insertColumnvalues = getValues(false, casscadeColumnData, status);
89 formatedValues = MusicUtil.convertToActualDataType(casscadeColumnType, insertColumnvalues);
90 PreparedQueryObject insert = extractQuery(valuesMap, tableInfo, tablename, keyspace, primaryId, primaryKey,casscadeColumnName,formatedValues);
91 queryBank.put(MusicUtil.INSERT, insert);
94 String key = keyspace + "." + tablename + "." + primaryKey;
97 lockId = MusicCore.createLockReference(key);
98 } catch (MusicLockingException e) {
99 return new ReturnType(ResultType.FAILURE, e.getMessage());
101 long leasePeriod = MusicUtil.getDefaultLockLeasePeriod();
102 ReturnType lockAcqResult = MusicCore.acquireLockWithLease(key, lockId, leasePeriod);
105 if (lockAcqResult.getResult().equals(ResultType.SUCCESS)) {
106 ReturnType criticalPutResult = conditionalInsertAtomic(lockId, keyspace, tablename, primaryKey,
108 MusicCore.destroyLockRef(lockId);
109 if (criticalPutResult.getMessage().contains("insert"))
111 .setMessage("Insert values: ");
112 else if (criticalPutResult.getMessage().contains("update"))
114 .setMessage("Update values: " + updateColumnvalues);
115 return criticalPutResult;
118 MusicCore.destroyLockRef(lockId);
119 return lockAcqResult;
121 } catch (Exception e) {
122 logger.error(EELFLoggerDelegate.applicationLogger, e);
123 MusicCore.destroyLockRef(lockId);
124 return new ReturnType(ResultType.FAILURE, e.getMessage());
129 public static ReturnType conditionalInsertAtomic(String lockId, String keyspace, String tableName,
130 String primaryKey, Map<String, PreparedQueryObject> queryBank) {
132 ResultSet results = null;
135 String fullyQualifiedKey = keyspace + "." + tableName + "." + primaryKey;
136 ReturnType lockAcqResult = MusicCore.acquireLock(fullyQualifiedKey, lockId);
137 if (lockAcqResult.getResult().equals(ResultType.SUCCESS)) {
139 results = MusicDataStoreHandle.getDSHandle().executeQuorumConsistencyGet(queryBank.get(MusicUtil.SELECT));
140 } catch (Exception e) {
141 logger.error(EELFLoggerDelegate.applicationLogger, e);
142 return new ReturnType(ResultType.FAILURE, e.getMessage());
144 if (results.all().isEmpty()) {
145 MusicDataStoreHandle.getDSHandle().executePut(queryBank.get(MusicUtil.INSERT), "critical");
146 return new ReturnType(ResultType.SUCCESS, "insert");
148 MusicDataStoreHandle.getDSHandle().executePut(queryBank.get(MusicUtil.UPDATE), "critical");
149 return new ReturnType(ResultType.SUCCESS, "update");
152 return new ReturnType(ResultType.FAILURE,
153 "Cannot perform operation since you are the not the lock holder");
156 } catch (Exception e) {
157 StringWriter sw = new StringWriter();
158 e.printStackTrace(new PrintWriter(sw));
159 String exceptionAsString = sw.toString();
160 logger.error(EELFLoggerDelegate.applicationLogger, e);
161 return new ReturnType(ResultType.FAILURE,
162 "Exception thrown while doing the critical put, check sanctity of the row/conditions:\n"
163 + exceptionAsString);
168 public static ReturnType update(UpdateDataObject dataObj)
169 throws MusicLockingException, MusicQueryException, MusicServiceException {
171 String key = dataObj.getKeyspace() + "." + dataObj.getTableName() + "." + dataObj.getPrimaryKeyValue();
172 String lockId = MusicCore.createLockReference(key);
173 long leasePeriod = MusicUtil.getDefaultLockLeasePeriod();
174 ReturnType lockAcqResult = MusicCore.acquireLockWithLease(key, lockId, leasePeriod);
178 if (lockAcqResult.getResult().equals(ResultType.SUCCESS)) {
179 ReturnType criticalPutResult = updateAtomic(new UpdateDataObject().setLockId(lockId)
180 .setKeyspace(dataObj.getKeyspace())
181 .setTableName( dataObj.getTableName())
182 .setPrimaryKey(dataObj.getPrimaryKey())
183 .setPrimaryKeyValue(dataObj.getPrimaryKeyValue())
184 .setQueryBank(dataObj.getQueryBank())
185 .setPlanId(dataObj.getPlanId())
186 .setCascadeColumnValues(dataObj.getCascadeColumnValues())
187 .setCascadeColumnName(dataObj.getCascadeColumnName()));
189 MusicCore.destroyLockRef(lockId);
190 return criticalPutResult;
192 MusicCore.destroyLockRef(lockId);
193 return lockAcqResult;
196 } catch (Exception e) {
197 MusicCore.destroyLockRef(lockId);
198 logger.error(EELFLoggerDelegate.applicationLogger, e);
199 return new ReturnType(ResultType.FAILURE, e.getMessage());
204 public static ReturnType updateAtomic(UpdateDataObject dataObj) {
206 String fullyQualifiedKey = dataObj.getKeyspace() + "." + dataObj.getTableName() + "." + dataObj.getPrimaryKeyValue();
207 ReturnType lockAcqResult = MusicCore.acquireLock(fullyQualifiedKey, dataObj.getLockId());
209 if (lockAcqResult.getResult().equals(ResultType.SUCCESS)) {
210 Row row = MusicDataStoreHandle.getDSHandle().executeQuorumConsistencyGet(dataObj.getQueryBank().get(MusicUtil.SELECT)).one();
213 Map<String, String> updatedValues = cascadeColumnUpdateSpecific(row, dataObj.getCascadeColumnValues(), dataObj.getCascadeColumnName(), dataObj.getPlanId());
214 JSONObject json = new JSONObject(updatedValues);
215 PreparedQueryObject update = new PreparedQueryObject();
216 String vector_ts = String.valueOf(Thread.currentThread().getId() + System.currentTimeMillis());
217 update.appendQueryString("UPDATE " + dataObj.getKeyspace() + "." + dataObj.getTableName() + " SET " + dataObj.getCascadeColumnName() + "['" + dataObj.getPlanId()
218 + "'] = ?, vector_ts = ? WHERE " + dataObj.getPrimaryKey() + " = ?");
219 update.addValue(MusicUtil.convertToActualDataType(DataType.text(), json.toString()));
220 update.addValue(MusicUtil.convertToActualDataType(DataType.text(), vector_ts));
221 update.addValue(MusicUtil.convertToActualDataType(DataType.text(), dataObj.getPrimaryKeyValue()));
223 MusicDataStoreHandle.getDSHandle().executePut(update, "critical");
224 } catch (Exception ex) {
225 logger.error(EELFLoggerDelegate.applicationLogger, ex);
226 return new ReturnType(ResultType.FAILURE, ex.getMessage());
229 return new ReturnType(ResultType.FAILURE,"Cannot find data related to key: "+dataObj.getPrimaryKey());
231 MusicDataStoreHandle.getDSHandle().executePut(dataObj.getQueryBank().get(MusicUtil.UPSERT), "critical");
232 return new ReturnType(ResultType.SUCCESS, "update success");
235 return new ReturnType(ResultType.FAILURE,
236 "Cannot perform operation since you are the not the lock holder");
239 } catch (Exception e) {
240 StringWriter sw = new StringWriter();
241 e.printStackTrace(new PrintWriter(sw));
242 String exceptionAsString = sw.toString();
243 logger.error(EELFLoggerDelegate.applicationLogger, e);
244 return new ReturnType(ResultType.FAILURE,
245 "Exception thrown while doing the critical put, check sanctity of the row/conditions:\n"
246 + exceptionAsString);
251 @SuppressWarnings("unchecked")
252 public static Map<String, String> getValues(boolean isExists, Map<String, Object> casscadeColumnData,
253 Map<String, String> status) {
255 Map<String, String> returnMap = new HashMap<>();
256 Object key = casscadeColumnData.get("key");
257 String setStatus = "";
258 Map<String, String> value = (Map<String, String>) casscadeColumnData.get("value");
261 setStatus = status.get("exists");
263 setStatus = status.get("nonexists");
265 value.put("status", setStatus);
266 JSONObject valueJson = new JSONObject(value);
267 returnMap.put(key.toString(), valueJson.toString());
272 public static PreparedQueryObject extractQuery(Map<String, Object> valuesMap, TableMetadata tableInfo, String tableName,
273 String keySpaceName,String primaryKeyName,String primaryKey,String casscadeColumn,Object casscadeColumnValues) throws Exception {
275 PreparedQueryObject queryObject = new PreparedQueryObject();
276 StringBuilder fieldsString = new StringBuilder("(vector_ts"+",");
277 StringBuilder valueString = new StringBuilder("(" + "?" + ",");
278 String vector = String.valueOf(Thread.currentThread().getId() + System.currentTimeMillis());
279 String localPrimaryKey;
280 queryObject.addValue(vector);
281 if(casscadeColumn!=null && casscadeColumnValues!=null) {
282 fieldsString.append(casscadeColumn).append(" ,");
283 valueString.append("?,");
284 queryObject.addValue(casscadeColumnValues);
288 for (Map.Entry<String, Object> entry : valuesMap.entrySet()) {
290 fieldsString.append(entry.getKey());
291 Object valueObj = entry.getValue();
292 if (primaryKeyName.equals(entry.getKey())) {
293 localPrimaryKey = entry.getValue() + "";
294 localPrimaryKey = localPrimaryKey.replace("'", "''");
296 DataType colType = null;
298 colType = tableInfo.getColumn(entry.getKey()).getType();
299 } catch(NullPointerException ex) {
300 logger.error(EELFLoggerDelegate.errorLogger,ex.getMessage() +" Invalid column name : "+entry.getKey(),
301 AppMessages.INCORRECTDATA ,ErrorSeverity.CRITICAL, ErrorTypes.DATAERROR, ex);
304 Object formattedValue = null;
306 formattedValue = MusicUtil.convertToActualDataType(colType, valueObj);
307 } catch (Exception e) {
308 logger.error(EELFLoggerDelegate.errorLogger,e.getMessage(), e);
311 valueString.append("?");
312 queryObject.addValue(formattedValue);
315 if (counter == valuesMap.size() - 1) {
316 fieldsString.append(")");
317 valueString.append(")");
319 fieldsString.append(",");
320 valueString.append(",");
322 counter = counter + 1;
324 queryObject.appendQueryString("INSERT INTO " + keySpaceName + "." + tableName + " "
325 + fieldsString + " VALUES " + valueString);
329 public static Object getColValue(Row row, String colName, DataType colType) {
330 switch (colType.getName()) {
332 return row.getString(colName);
334 return row.getUUID(colName);
336 return row.getVarint(colName);
338 return row.getLong(colName);
340 return row.getInt(colName);
342 return row.getFloat(colName);
344 return row.getDouble(colName);
346 return row.getBool(colName);
348 return row.getMap(colName, String.class, String.class);
354 @SuppressWarnings("unchecked")
355 public static Map<String, String> cascadeColumnUpdateSpecific(Row row, Map<String, String> changeOfStatus,
356 String cascadeColumnName, String planId) {
358 ColumnDefinitions colInfo = row.getColumnDefinitions();
359 DataType colType = colInfo.getType(cascadeColumnName);
360 Object columnValue = getColValue(row, cascadeColumnName, colType);
362 Map<String, String> finalValues = new HashMap<>();
363 Map<String, String> values = (Map<String, String>) columnValue;
364 if (values != null && values.keySet().contains(planId)) {
365 String valueString = values.get(planId);
366 String tempValueString = valueString.replaceAll("\\{", "").replaceAll("\"", "").replaceAll("\\}", "");
367 String[] elements = tempValueString.split(",");
368 for (String str : elements) {
369 String[] keyValue = str.split(":");
370 if ((changeOfStatus.keySet().contains(keyValue[0].replaceAll("\\s", ""))))
371 keyValue[1] = changeOfStatus.get(keyValue[0].replaceAll("\\s", ""));
372 finalValues.put(keyValue[0], keyValue[1]);