music-rest/src/main/java/org/onap/music/conductor/conditionals/MusicConditional.java

   1 /*
   2  * ============LICENSE_START==========================================
   3  * org.onap.music
   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
  13  *
  14  *     http://www.apache.org/licenses/LICENSE-2.0
  15  *
  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.
  21  *
  22  * ============LICENSE_END=============================================
  23  * ====================================================================
  24  */
  25
  26 package org.onap.music.conductor.conditionals;
  27
  28 import java.io.PrintWriter;
  29 import java.io.StringWriter;
  30 import java.util.HashMap;
  31 import java.util.Map;
  32
  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;
  48
  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;
  54
  55 public class MusicConditional {
  56     private static EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(RestMusicDataAPI.class);
  57
  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 {
  61
  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());
  69
  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);
  74
  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);
  85
  86
  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);
  92
  93
  94         String key = keyspace + "." + tablename + "." + primaryKey;
  95         String lockId;
  96         try {
  97                 lockId = MusicCore.createLockReference(key);
  98         } catch (MusicLockingException e) {
  99                 return new ReturnType(ResultType.FAILURE, e.getMessage());
 100         }
 101         long leasePeriod = MusicUtil.getDefaultLockLeasePeriod();
 102         ReturnType lockAcqResult = MusicCore.acquireLockWithLease(key, lockId, leasePeriod);
 103
 104         try {
 105             if (lockAcqResult.getResult().equals(ResultType.SUCCESS)) {
 106                 ReturnType criticalPutResult = conditionalInsertAtomic(lockId, keyspace, tablename, primaryKey,
 107                         queryBank);
 108                 MusicCore.destroyLockRef(lockId);
 109                 if (criticalPutResult.getMessage().contains("insert"))
 110                     criticalPutResult
 111                             .setMessage("Insert values: ");
 112                 else if (criticalPutResult.getMessage().contains("update"))
 113                     criticalPutResult
 114                             .setMessage("Update values: " + updateColumnvalues);
 115                 return criticalPutResult;
 116
 117             } else {
 118                 MusicCore.destroyLockRef(lockId);
 119                 return lockAcqResult;
 120             }
 121         } catch (Exception e) {
 122             logger.error(EELFLoggerDelegate.applicationLogger, e);
 123             MusicCore.destroyLockRef(lockId);
 124             return new ReturnType(ResultType.FAILURE, e.getMessage());
 125         }
 126
 127     }
 128
 129     public static ReturnType conditionalInsertAtomic(String lockId, String keyspace, String tableName,
 130             String primaryKey, Map<String, PreparedQueryObject> queryBank) {
 131
 132         ResultSet results = null;
 133
 134         try {
 135             String fullyQualifiedKey = keyspace + "." + tableName + "." + primaryKey;
 136             ReturnType lockAcqResult = MusicCore.acquireLock(fullyQualifiedKey, lockId);
 137             if (lockAcqResult.getResult().equals(ResultType.SUCCESS)) {
 138                 try {
 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());
 143                 }
 144                 if (results.all().isEmpty()) {
 145                     MusicDataStoreHandle.getDSHandle().executePut(queryBank.get(MusicUtil.INSERT), "critical");
 146                     return new ReturnType(ResultType.SUCCESS, "insert");
 147                 } else {
 148                     MusicDataStoreHandle.getDSHandle().executePut(queryBank.get(MusicUtil.UPDATE), "critical");
 149                     return new ReturnType(ResultType.SUCCESS, "update");
 150                 }
 151             } else {
 152                 return new ReturnType(ResultType.FAILURE,
 153                         "Cannot perform operation since you are the not the lock holder");
 154             }
 155
 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);
 164         }
 165
 166     }
 167
 168     public static ReturnType update(UpdateDataObject dataObj)
 169             throws MusicLockingException, MusicQueryException, MusicServiceException {
 170
 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);
 175
 176         try {
 177
 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()));
 188
 189                 MusicCore.destroyLockRef(lockId);
 190                 return criticalPutResult;
 191             } else {
 192                 MusicCore.destroyLockRef(lockId);
 193                 return lockAcqResult;
 194             }
 195
 196         } catch (Exception e) {
 197             MusicCore.destroyLockRef(lockId);
 198             logger.error(EELFLoggerDelegate.applicationLogger, e);
 199             return new ReturnType(ResultType.FAILURE, e.getMessage());
 200
 201         }
 202     }
 203
 204     public static ReturnType updateAtomic(UpdateDataObject dataObj) {
 205         try {
 206             String fullyQualifiedKey = dataObj.getKeyspace() + "." + dataObj.getTableName() + "." + dataObj.getPrimaryKeyValue();
 207             ReturnType lockAcqResult = MusicCore.acquireLock(fullyQualifiedKey, dataObj.getLockId());
 208
 209             if (lockAcqResult.getResult().equals(ResultType.SUCCESS)) {
 210                 Row row  = MusicDataStoreHandle.getDSHandle().executeQuorumConsistencyGet(dataObj.getQueryBank().get(MusicUtil.SELECT)).one();
 211
 212                 if(row != null) {
 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()));
 222                     try {
 223                         MusicDataStoreHandle.getDSHandle().executePut(update, "critical");
 224                     } catch (Exception ex) {
 225                         logger.error(EELFLoggerDelegate.applicationLogger, ex);
 226                         return new ReturnType(ResultType.FAILURE, ex.getMessage());
 227                     }
 228                 }else {
 229                     return new ReturnType(ResultType.FAILURE,"Cannot find data related to key: "+dataObj.getPrimaryKey());
 230                 }
 231                 MusicDataStoreHandle.getDSHandle().executePut(dataObj.getQueryBank().get(MusicUtil.UPSERT), "critical");
 232                 return new ReturnType(ResultType.SUCCESS, "update success");
 233
 234             } else {
 235                 return new ReturnType(ResultType.FAILURE,
 236                         "Cannot perform operation since you are the not the lock holder");
 237             }
 238
 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);
 247         }
 248
 249     }
 250
 251     @SuppressWarnings("unchecked")
 252     public static Map<String, String> getValues(boolean isExists, Map<String, Object> casscadeColumnData,
 253             Map<String, String> status) {
 254
 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");
 259
 260         if (isExists)
 261             setStatus = status.get("exists");
 262         else
 263             setStatus = status.get("nonexists");
 264
 265         value.put("status", setStatus);
 266         JSONObject valueJson = new JSONObject(value);
 267         returnMap.put(key.toString(), valueJson.toString());
 268         return returnMap;
 269
 270     }
 271
 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 {
 274
 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);
 285         }
 286
 287         int counter = 0;
 288         for (Map.Entry<String, Object> entry : valuesMap.entrySet()) {
 289
 290             fieldsString.append(entry.getKey());
 291             Object valueObj = entry.getValue();
 292             if (primaryKeyName.equals(entry.getKey())) {
 293                 localPrimaryKey = entry.getValue() + "";
 294                 localPrimaryKey = localPrimaryKey.replace("'", "''");
 295             }
 296             DataType colType = null;
 297             try {
 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);
 302             }
 303
 304             Object formattedValue = null;
 305             try {
 306                 formattedValue = MusicUtil.convertToActualDataType(colType, valueObj);
 307             } catch (Exception e) {
 308                 logger.error(EELFLoggerDelegate.errorLogger,e.getMessage(), e);
 309             }
 310
 311             valueString.append("?");
 312             queryObject.addValue(formattedValue);
 313
 314
 315             if (counter == valuesMap.size() - 1) {
 316                 fieldsString.append(")");
 317                 valueString.append(")");
 318             } else {
 319                 fieldsString.append(",");
 320                 valueString.append(",");
 321             }
 322             counter = counter + 1;
 323         }
 324         queryObject.appendQueryString("INSERT INTO " + keySpaceName + "." + tableName + " "
 325                 + fieldsString + " VALUES " + valueString);
 326         return queryObject;
 327     }
 328
 329     public static Object getColValue(Row row, String colName, DataType colType) {
 330         switch (colType.getName()) {
 331         case VARCHAR:
 332             return row.getString(colName);
 333         case UUID:
 334             return row.getUUID(colName);
 335         case VARINT:
 336             return row.getVarint(colName);
 337         case BIGINT:
 338             return row.getLong(colName);
 339         case INT:
 340             return row.getInt(colName);
 341         case FLOAT:
 342             return row.getFloat(colName);
 343         case DOUBLE:
 344             return row.getDouble(colName);
 345         case BOOLEAN:
 346             return row.getBool(colName);
 347         case MAP:
 348             return row.getMap(colName, String.class, String.class);
 349         default:
 350             return null;
 351         }
 352     }
 353
 354     @SuppressWarnings("unchecked")
 355     public static Map<String, String> cascadeColumnUpdateSpecific(Row row, Map<String, String> changeOfStatus,
 356             String cascadeColumnName, String planId) {
 357
 358         ColumnDefinitions colInfo = row.getColumnDefinitions();
 359         DataType colType = colInfo.getType(cascadeColumnName);
 360         Object columnValue = getColValue(row, cascadeColumnName, colType);
 361
 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]);
 373             }
 374         }
 375         return finalValues;
 376
 377     }
 378
 379 }