diff options
Diffstat (limited to 'music-rest/src/main/java/org/onap/music/conductor/conditionals/MusicConditional.java')
| -rw-r--r-- | music-rest/src/main/java/org/onap/music/conductor/conditionals/MusicConditional.java | 391 |
1 files changed, 391 insertions, 0 deletions
diff --git a/music-rest/src/main/java/org/onap/music/conductor/conditionals/MusicConditional.java b/music-rest/src/main/java/org/onap/music/conductor/conditionals/MusicConditional.java new file mode 100644 index 00000000..2c69c435 --- /dev/null +++ b/music-rest/src/main/java/org/onap/music/conductor/conditionals/MusicConditional.java @@ -0,0 +1,391 @@ +/* + * ============LICENSE_START========================================== + * org.onap.music + * =================================================================== + * Copyright (c) 2017 AT&T Intellectual Property + * =================================================================== + * Modifications Copyright (C) 2019 IBM. + * Modifications Copyright (c) 2019 Samsung + * =================================================================== + * Licensed 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. + * + * ============LICENSE_END============================================= + * ==================================================================== + */ + +package org.onap.music.conductor.conditionals; + +import java.io.PrintWriter; +import java.io.StringWriter; +import java.util.HashMap; +import java.util.Map; + +import org.codehaus.jettison.json.JSONObject; +import org.onap.music.datastore.MusicDataStoreHandle; +import org.onap.music.datastore.PreparedQueryObject; +import org.onap.music.eelf.logging.EELFLoggerDelegate; +import org.onap.music.eelf.logging.format.AppMessages; +import org.onap.music.eelf.logging.format.ErrorSeverity; +import org.onap.music.eelf.logging.format.ErrorTypes; +import org.onap.music.exceptions.MusicLockingException; +import org.onap.music.exceptions.MusicQueryException; +import org.onap.music.exceptions.MusicServiceException; +import org.onap.music.main.MusicCore; +import org.onap.music.main.MusicUtil; +import org.onap.music.main.ResultType; +import org.onap.music.main.ReturnType; +import org.onap.music.rest.RestMusicDataAPI; + +import com.datastax.driver.core.ColumnDefinitions; +import com.datastax.driver.core.DataType; +import com.datastax.driver.core.ResultSet; +import com.datastax.driver.core.Row; +import com.datastax.driver.core.TableMetadata; + +public class MusicConditional { + private static EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(RestMusicDataAPI.class); + + public static ReturnType conditionalInsert(String keyspace, String tablename, String casscadeColumnName, + Map<String, Object> casscadeColumnData, String primaryKey, Map<String, Object> valuesMap, + Map<String, String> status) throws Exception { + + Map<String, PreparedQueryObject> queryBank = new HashMap<>(); + TableMetadata tableInfo = null; + tableInfo = MusicDataStoreHandle.returnColumnMetadata(keyspace, tablename); + DataType primaryIdType = tableInfo.getPrimaryKey().get(0).getType(); + String primaryId = tableInfo.getPrimaryKey().get(0).getName(); + DataType casscadeColumnType = tableInfo.getColumn(casscadeColumnName).getType(); + String vector = String.valueOf(Thread.currentThread().getId() + System.currentTimeMillis()); + + PreparedQueryObject select = new PreparedQueryObject(); + select.appendQueryString("SELECT * FROM " + keyspace + "." + tablename + " where " + primaryId + " = ?"); + select.addValue(MusicUtil.convertToActualDataType(primaryIdType, primaryKey)); + queryBank.put(MusicUtil.SELECT, select); + + PreparedQueryObject update = new PreparedQueryObject(); + //casscade column values + Map<String, String> updateColumnvalues = getValues(true, casscadeColumnData, status); + Object formatedValues = MusicUtil.convertToActualDataType(casscadeColumnType, updateColumnvalues); + update.appendQueryString("UPDATE " + keyspace + "." + tablename + " SET " + casscadeColumnName + " =" + + casscadeColumnName + " + ? , vector_ts = ?" + " WHERE " + primaryId + " = ? "); + update.addValue(formatedValues); + update.addValue(MusicUtil.convertToActualDataType(DataType.text(), vector)); + update.addValue(MusicUtil.convertToActualDataType(primaryIdType, primaryKey)); + queryBank.put(MusicUtil.UPDATE, update); + + + //casscade column values + Map<String, String> insertColumnvalues = getValues(false, casscadeColumnData, status); + formatedValues = MusicUtil.convertToActualDataType(casscadeColumnType, insertColumnvalues); + PreparedQueryObject insert = extractQuery(valuesMap, tableInfo, tablename, keyspace, primaryId, primaryKey,casscadeColumnName,formatedValues); + queryBank.put(MusicUtil.INSERT, insert); + + + String key = keyspace + "." + tablename + "." + primaryKey; + String lockId; + try { + lockId = MusicCore.createLockReferenceAtomic(key); + } catch (MusicLockingException e) { + return new ReturnType(ResultType.FAILURE, e.getMessage()); + } + long leasePeriod = MusicUtil.getDefaultLockLeasePeriod(); + ReturnType lockAcqResult = MusicCore.acquireLockWithLease(key, lockId, leasePeriod); + + try { + if (lockAcqResult.getResult().equals(ResultType.SUCCESS)) { + ReturnType criticalPutResult = conditionalInsertAtomic(lockId, keyspace, tablename, primaryKey, + queryBank); + MusicCore.destroyLockRef(lockId); + if (criticalPutResult.getMessage().contains("insert")) + criticalPutResult + .setMessage("Insert values: "); + else if (criticalPutResult.getMessage().contains("update")) + criticalPutResult + .setMessage("Update values: " + updateColumnvalues); + return criticalPutResult; + + } else { + MusicCore.destroyLockRef(lockId); + return lockAcqResult; + } + } catch (Exception e) { + logger.error(EELFLoggerDelegate.applicationLogger, e); + MusicCore.destroyLockRef(lockId); + return new ReturnType(ResultType.FAILURE, e.getMessage()); + } + + } + + public static ReturnType conditionalInsertAtomic(String lockId, String keyspace, String tableName, + String primaryKey, Map<String, PreparedQueryObject> queryBank) { + + ResultSet results = null; + + try { + String fullyQualifiedKey = keyspace + "." + tableName + "." + primaryKey; + ReturnType lockAcqResult = MusicCore.acquireLock(fullyQualifiedKey, lockId); + if (lockAcqResult.getResult().equals(ResultType.SUCCESS)) { + try { + results = MusicDataStoreHandle.getDSHandle().executeQuorumConsistencyGet(queryBank.get(MusicUtil.SELECT)); + } catch (Exception e) { + logger.error(EELFLoggerDelegate.applicationLogger, e); + return new ReturnType(ResultType.FAILURE, e.getMessage()); + } + if (results.all().isEmpty()) { + PreparedQueryObject qObject = queryBank.get(MusicUtil.INSERT); + qObject.setOperation(MusicUtil.INSERT); + logger.info(EELFLoggerDelegate.debugLogger,"### Conditional Insert"); + MusicCore.criticalPut(keyspace, tableName, primaryKey, qObject, lockId, null); + //MusicDataStoreHandle.getDSHandle().executePut(queryBank.get(MusicUtil.INSERT), "critical"); + return new ReturnType(ResultType.SUCCESS, MusicUtil.INSERT); + + } else { + PreparedQueryObject qObject = queryBank.get(MusicUtil.UPDATE); + qObject.setOperation(MusicUtil.UPDATE); + logger.info(EELFLoggerDelegate.debugLogger,"### Condition Update"); + MusicCore.criticalPut(keyspace, tableName, primaryKey, qObject, lockId, null); + //MusicDataStoreHandle.getDSHandle().executePut(queryBank.get(MusicUtil.UPDATE), "critical"); + return new ReturnType(ResultType.SUCCESS, MusicUtil.UPDATE); + } + } else { + return new ReturnType(ResultType.FAILURE, + "Cannot perform operation since you are the not the lock holder"); + } + + } catch (Exception e) { + StringWriter sw = new StringWriter(); + e.printStackTrace(new PrintWriter(sw)); + String exceptionAsString = sw.toString(); + logger.error(EELFLoggerDelegate.applicationLogger, e); + return new ReturnType(ResultType.FAILURE, + "Exception thrown while doing the critical put, check sanctity of the row/conditions:\n" + + exceptionAsString); + } + + } + + public static ReturnType update(UpdateDataObject dataObj) + throws MusicLockingException, MusicQueryException, MusicServiceException { + + String key = dataObj.getKeyspace() + "." + dataObj.getTableName() + "." + dataObj.getPrimaryKeyValue(); + String lockId = MusicCore.createLockReferenceAtomic(key); + long leasePeriod = MusicUtil.getDefaultLockLeasePeriod(); + ReturnType lockAcqResult = MusicCore.acquireLockWithLease(key, lockId, leasePeriod); + + try { + + if (lockAcqResult.getResult().equals(ResultType.SUCCESS)) { + ReturnType criticalPutResult = updateAtomic(new UpdateDataObject().setLockId(lockId) + .setKeyspace(dataObj.getKeyspace()) + .setTableName( dataObj.getTableName()) + .setPrimaryKey(dataObj.getPrimaryKey()) + .setPrimaryKeyValue(dataObj.getPrimaryKeyValue()) + .setQueryBank(dataObj.getQueryBank()) + .setPlanId(dataObj.getPlanId()) + .setCascadeColumnValues(dataObj.getCascadeColumnValues()) + .setCascadeColumnName(dataObj.getCascadeColumnName())); + + MusicCore.destroyLockRef(lockId); + return criticalPutResult; + } else { + MusicCore.destroyLockRef(lockId); + return lockAcqResult; + } + + } catch (Exception e) { + MusicCore.destroyLockRef(lockId); + logger.error(EELFLoggerDelegate.applicationLogger, e); + return new ReturnType(ResultType.FAILURE, e.getMessage()); + + } + } + + public static ReturnType updateAtomic(UpdateDataObject dataObj) { + try { + String fullyQualifiedKey = dataObj.getKeyspace() + "." + dataObj.getTableName() + "." + dataObj.getPrimaryKeyValue(); + ReturnType lockAcqResult = MusicCore.acquireLock(fullyQualifiedKey, dataObj.getLockId()); + + if (lockAcqResult.getResult().equals(ResultType.SUCCESS)) { + Row row = MusicDataStoreHandle.getDSHandle().executeQuorumConsistencyGet(dataObj.getQueryBank().get(MusicUtil.SELECT)).one(); + + if(row != null) { + Map<String, String> updatedValues = cascadeColumnUpdateSpecific(row, dataObj.getCascadeColumnValues(), dataObj.getCascadeColumnName(), dataObj.getPlanId()); + JSONObject json = new JSONObject(updatedValues); + PreparedQueryObject update = new PreparedQueryObject(); + String vector_ts = String.valueOf(Thread.currentThread().getId() + System.currentTimeMillis()); + update.appendQueryString("UPDATE " + dataObj.getKeyspace() + "." + dataObj.getTableName() + " SET " + + dataObj.getCascadeColumnName() + "['" + dataObj.getPlanId() + + "'] = ?, vector_ts = ? WHERE " + dataObj.getPrimaryKey() + " = ?"); + update.addValue(MusicUtil.convertToActualDataType(DataType.text(), json.toString())); + update.addValue(MusicUtil.convertToActualDataType(DataType.text(), vector_ts)); + update.addValue(MusicUtil.convertToActualDataType(DataType.text(), dataObj.getPrimaryKeyValue())); + try { + update.setOperation(MusicUtil.UPDATE); + MusicCore.criticalPut(dataObj.keyspace, dataObj.tableName, dataObj.primaryKeyValue, update, dataObj.lockId, null); + } catch (Exception ex) { + logger.error(EELFLoggerDelegate.applicationLogger, ex); + return new ReturnType(ResultType.FAILURE, ex.getMessage()); + } + }else { + return new ReturnType(ResultType.FAILURE,"Cannot find data related to key: "+dataObj.getPrimaryKey()); + } + PreparedQueryObject qObject = dataObj.getQueryBank().get(MusicUtil.UPSERT); + qObject.setOperation(MusicUtil.INSERT); + MusicCore.criticalPut(dataObj.keyspace, dataObj.tableName, dataObj.primaryKeyValue, qObject, dataObj.lockId, null); + return new ReturnType(ResultType.SUCCESS, "update success"); + } else { + return new ReturnType(ResultType.FAILURE, + "Cannot perform operation since you are the not the lock holder"); + } + + } catch (Exception e) { + StringWriter sw = new StringWriter(); + e.printStackTrace(new PrintWriter(sw)); + String exceptionAsString = sw.toString(); + logger.error(EELFLoggerDelegate.applicationLogger, e); + return new ReturnType(ResultType.FAILURE, + "Exception thrown while doing the critical put, check sanctity of the row/conditions:\n" + + exceptionAsString); + } + + } + + @SuppressWarnings("unchecked") + public static Map<String, String> getValues(boolean isExists, Map<String, Object> casscadeColumnData, + Map<String, String> status) { + + Map<String, String> returnMap = new HashMap<>(); + Object key = casscadeColumnData.get("key"); + String setStatus = ""; + Map<String, String> value = (Map<String, String>) casscadeColumnData.get("value"); + + if (isExists) + setStatus = status.get("exists"); + else + setStatus = status.get("nonexists"); + + value.put("status", setStatus); + JSONObject valueJson = new JSONObject(value); + returnMap.put(key.toString(), valueJson.toString()); + return returnMap; + + } + + public static PreparedQueryObject extractQuery(Map<String, Object> valuesMap, TableMetadata tableInfo, String tableName, + String keySpaceName,String primaryKeyName,String primaryKey,String casscadeColumn,Object casscadeColumnValues) throws Exception { + + PreparedQueryObject queryObject = new PreparedQueryObject(); + StringBuilder fieldsString = new StringBuilder("(vector_ts"+","); + StringBuilder valueString = new StringBuilder("(" + "?" + ","); + String vector = String.valueOf(Thread.currentThread().getId() + System.currentTimeMillis()); + String localPrimaryKey; + queryObject.addValue(vector); + if(casscadeColumn!=null && casscadeColumnValues!=null) { + fieldsString.append(casscadeColumn).append(" ,"); + valueString.append("?,"); + queryObject.addValue(casscadeColumnValues); + } + + int counter = 0; + for (Map.Entry<String, Object> entry : valuesMap.entrySet()) { + + fieldsString.append(entry.getKey()); + Object valueObj = entry.getValue(); + if (primaryKeyName.equals(entry.getKey())) { + localPrimaryKey = entry.getValue() + ""; + localPrimaryKey = localPrimaryKey.replace("'", "''"); + } + DataType colType = null; + try { + colType = tableInfo.getColumn(entry.getKey()).getType(); + } catch(NullPointerException ex) { + logger.error(EELFLoggerDelegate.errorLogger,ex.getMessage() +" Invalid column name : "+entry.getKey(), + AppMessages.INCORRECTDATA ,ErrorSeverity.CRITICAL, ErrorTypes.DATAERROR, ex); + } + + Object formattedValue = null; + try { + formattedValue = MusicUtil.convertToActualDataType(colType, valueObj); + } catch (Exception e) { + logger.error(EELFLoggerDelegate.errorLogger,e.getMessage(), e); + } + + valueString.append("?"); + queryObject.addValue(formattedValue); + + + if (counter == valuesMap.size() - 1) { + fieldsString.append(")"); + valueString.append(")"); + } else { + fieldsString.append(","); + valueString.append(","); + } + counter = counter + 1; + } + queryObject.appendQueryString("INSERT INTO " + keySpaceName + "." + tableName + " " + + fieldsString + " VALUES " + valueString + ";"); + return queryObject; + } + + public static Object getColValue(Row row, String colName, DataType colType) { + switch (colType.getName()) { + case VARCHAR: + return row.getString(colName); + case UUID: + return row.getUUID(colName); + case VARINT: + return row.getVarint(colName); + case BIGINT: + return row.getLong(colName); + case INT: + return row.getInt(colName); + case FLOAT: + return row.getFloat(colName); + case DOUBLE: + return row.getDouble(colName); + case BOOLEAN: + return row.getBool(colName); + case MAP: + return row.getMap(colName, String.class, String.class); + default: + return null; + } + } + + @SuppressWarnings("unchecked") + public static Map<String, String> cascadeColumnUpdateSpecific(Row row, Map<String, String> changeOfStatus, + String cascadeColumnName, String planId) { + + ColumnDefinitions colInfo = row.getColumnDefinitions(); + DataType colType = colInfo.getType(cascadeColumnName); + Object columnValue = getColValue(row, cascadeColumnName, colType); + + Map<String, String> finalValues = new HashMap<>(); + Map<String, String> values = (Map<String, String>) columnValue; + if (values != null && values.keySet().contains(planId)) { + String valueString = values.get(planId); + String tempValueString = valueString.replaceAll("\\{", "").replaceAll("\"", "").replaceAll("\\}", ""); + String[] elements = tempValueString.split(","); + for (String str : elements) { + String[] keyValue = str.split(":"); + if ((changeOfStatus.keySet().contains(keyValue[0].replaceAll("\\s", "")))) + keyValue[1] = changeOfStatus.get(keyValue[0].replaceAll("\\s", "")); + finalValues.put(keyValue[0], keyValue[1]); + } + } + return finalValues; + + } + +} |