gerrit.onap Code Review - so.git/blob

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP - SO
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * Copyright (C) 2017 Huawei Technologies Co., Ltd. All rights reserved.
   7  * Modifications Copyright (c) 2019 Samsung
   8  * ================================================================================
   9  * Licensed under the Apache License, Version 2.0 (the "License");
  10  * you may not use this file except in compliance with the License.
  11  * You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  * ============LICENSE_END=========================================================
  21  */
  22
  23 package org.onap.so.db.request.data.repository;
  24
  25 import java.sql.Timestamp;
  26 import java.text.SimpleDateFormat;
  27 import java.util.Arrays;
  28 import java.util.Collections;
  29 import java.util.Date;
  30 import java.util.LinkedList;
  31 import java.util.List;
  32 import java.util.Map;
  33 import java.util.Map.Entry;
  34 import java.util.concurrent.TimeUnit;
  35 import javax.persistence.EntityManager;
  36 import javax.persistence.NonUniqueResultException;
  37 import javax.persistence.Query;
  38 import javax.persistence.TypedQuery;
  39 import javax.persistence.criteria.CriteriaBuilder;
  40 import javax.persistence.criteria.CriteriaQuery;
  41 import javax.persistence.criteria.Order;
  42 import javax.persistence.criteria.Predicate;
  43 import javax.persistence.criteria.Root;
  44 import org.onap.so.db.request.beans.InfraActiveRequests;
  45 import org.slf4j.Logger;
  46 import org.slf4j.LoggerFactory;
  47 import org.springframework.beans.factory.annotation.Autowired;
  48 import org.springframework.beans.factory.annotation.Qualifier;
  49 import org.springframework.stereotype.Repository;
  50 import org.springframework.transaction.annotation.Transactional;
  51
  52
  53 @Repository
  54 @Transactional(readOnly = true)
  55 public class InfraActiveRequestsRepositoryImpl implements InfraActiveRequestsRepositoryCustom {
  56
  57
  58     @Qualifier("requestEntityManagerFactory")
  59     @Autowired
  60     private EntityManager entityManager;
  61
  62     protected static Logger logger = LoggerFactory.getLogger(InfraActiveRequestsRepositoryImpl.class);
  63
  64     protected static final String REQUEST_STATUS = "requestStatus";
  65     protected static final String SOURCE = "source";
  66     protected static final String START_TIME = "startTime";
  67     protected static final String END_TIME = "endTime";
  68     protected static final String SERVICE_INSTANCE_ID = "serviceInstanceId";
  69     protected static final String SERVICE_INSTANCE_NAME = "serviceInstanceName";
  70     protected static final String VNF_INSTANCE_NAME = "vnfName";
  71     protected static final String VNF_INSTANCE_ID = "vnfId";
  72     protected static final String VOLUME_GROUP_INSTANCE_NAME = "volumeGroupName";
  73     protected static final String VOLUME_GROUP_INSTANCE_ID = "volumeGroupId";
  74     protected static final String VFMODULE_INSTANCE_NAME = "vfModuleName";
  75     protected static final String VFMODULE_INSTANCE_ID = "vfModuleId";
  76     protected static final String NETWORK_INSTANCE_NAME = "networkName";
  77     protected static final String CONFIGURATION_INSTANCE_ID = "configurationId";
  78     protected static final String CONFIGURATION_INSTANCE_NAME = "configurationName";
  79     protected static final String OPERATIONAL_ENV_ID = "operationalEnvId";
  80     protected static final String OPERATIONAL_ENV_NAME = "operationalEnvName";
  81     protected static final String NETWORK_INSTANCE_ID = "networkId";
  82     protected static final String GLOBAL_SUBSCRIBER_ID = "globalSubscriberId";
  83     protected static final String SERVICE_NAME_VERSION_ID = "serviceNameVersionId";
  84     protected static final String SERVICE_ID = "serviceId";
  85     protected static final String SERVICE_VERSION = "serviceVersion";
  86     protected static final String REQUEST_ID = "requestId";
  87     protected static final String REQUESTOR_ID = "requestorId";
  88     protected static final String OPENV = "operationalEnvironment";
  89
  90     private static final List<String> VALID_COLUMNS =
  91             Arrays.asList(REQUEST_ID, SERVICE_INSTANCE_ID, SERVICE_INSTANCE_NAME, REQUEST_STATUS, VFMODULE_INSTANCE_ID,
  92                     VNF_INSTANCE_ID, NETWORK_INSTANCE_ID, VOLUME_GROUP_INSTANCE_ID);
  93
  94
  95     /*
  96      * (non-Javadoc)
  97      *
  98      * @see org.onap.so.requestsdb.InfraActiveRequestsRepositoryCustom#healthCheck()
  99      */
 100     @Override
 101     public boolean healthCheck() {
 102
 103         final Query query = entityManager.createNativeQuery(" show tables ");
 104
 105         final List<?> list = query.getResultList();
 106
 107         return true;
 108     }
 109
 110     private List<InfraActiveRequests> executeInfraQuery(final CriteriaQuery<InfraActiveRequests> crit,
 111             final List<Predicate> predicates, final Order order) {
 112
 113         logger.debug("Execute query on infra active request table");
 114
 115         final CriteriaBuilder cb = entityManager.getCriteriaBuilder();
 116         crit.where(cb.and(predicates.toArray(new Predicate[0])));
 117         crit.orderBy(order);
 118
 119         return entityManager.createQuery(crit).getResultList();
 120     }
 121
 122     /*
 123      * (non-Javadoc)
 124      *
 125      * @see org.onap.so.requestsdb.InfraActiveRequestsRepositoryCustom#getRequestFromInfraActive(java. lang.String)
 126      */
 127     @Override
 128     public InfraActiveRequests getRequestFromInfraActive(final String requestId) {
 129         logger.debug("Get request {} from InfraActiveRequests DB", requestId);
 130
 131         InfraActiveRequests ar = null;
 132         final Query query = entityManager.createQuery("from InfraActiveRequests where requestId = :requestId");
 133         query.setParameter(REQUEST_ID, requestId);
 134         ar = this.getSingleResult(query);
 135         return ar;
 136     }
 137
 138     /*
 139      * (non-Javadoc)
 140      *
 141      * @see org.onap.so.requestsdb.InfraActiveRequestsRepositoryCustom#checkInstanceNameDuplicate(java. util.HashMap,
 142      * java.lang.String, java.lang.String)
 143      */
 144     @Override
 145     public InfraActiveRequests checkInstanceNameDuplicate(final Map<String, String> instanceIdMap,
 146             final String instanceName, final String requestScope) {
 147
 148         final List<Predicate> predicates = new LinkedList<>();
 149         final CriteriaBuilder cb = entityManager.getCriteriaBuilder();
 150         final CriteriaQuery<InfraActiveRequests> crit = cb.createQuery(InfraActiveRequests.class);
 151         final Root<InfraActiveRequests> tableRoot = crit.from(InfraActiveRequests.class);
 152         InfraActiveRequests infraActiveRequests = null;
 153
 154         if (instanceName != null && !instanceName.equals("")) {
 155
 156             if ("service".equals(requestScope)) {
 157                 predicates.add(cb.equal(tableRoot.get(SERVICE_INSTANCE_NAME), instanceName));
 158             } else if ("vnf".equals(requestScope)) {
 159                 predicates.add(cb.equal(tableRoot.get(VNF_INSTANCE_NAME), instanceName));
 160             } else if ("volumeGroup".equals(requestScope)) {
 161                 predicates.add(cb.equal(tableRoot.get(VOLUME_GROUP_INSTANCE_NAME), instanceName));
 162             } else if ("vfModule".equals(requestScope)) {
 163                 predicates.add(cb.equal(tableRoot.get(VFMODULE_INSTANCE_NAME), instanceName));
 164             } else if ("network".equals(requestScope)) {
 165                 predicates.add(cb.equal(tableRoot.get(NETWORK_INSTANCE_NAME), instanceName));
 166             } else if (requestScope.equals("configuration")) {
 167                 predicates.add(cb.equal(tableRoot.get(CONFIGURATION_INSTANCE_NAME), instanceName));
 168             } else if (requestScope.equals(OPENV)) {
 169                 predicates.add(cb.equal(tableRoot.get(OPERATIONAL_ENV_NAME), instanceName));
 170             }
 171
 172         } else {
 173             if (instanceIdMap != null) {
 174                 if ("service".equals(requestScope) && instanceIdMap.get(SERVICE_INSTANCE_ID) != null) {
 175                     predicates
 176                             .add(cb.equal(tableRoot.get(SERVICE_INSTANCE_ID), instanceIdMap.get("serviceInstanceId")));
 177                 }
 178
 179                 if ("vnf".equals(requestScope) && instanceIdMap.get("vnfInstanceId") != null) {
 180                     predicates.add(cb.equal(tableRoot.get(VNF_INSTANCE_ID), instanceIdMap.get("vnfInstanceId")));
 181                 }
 182
 183                 if ("vfModule".equals(requestScope) && instanceIdMap.get("vfModuleInstanceId") != null) {
 184                     predicates.add(
 185                             cb.equal(tableRoot.get(VFMODULE_INSTANCE_ID), instanceIdMap.get("vfModuleInstanceId")));
 186                 }
 187
 188                 if ("volumeGroup".equals(requestScope) && instanceIdMap.get("volumeGroupInstanceId") != null) {
 189                     predicates.add(cb.equal(tableRoot.get(VOLUME_GROUP_INSTANCE_ID),
 190                             instanceIdMap.get("volumeGroupInstanceId")));
 191                 }
 192
 193                 if ("network".equals(requestScope) && instanceIdMap.get("networkInstanceId") != null) {
 194                     predicates
 195                             .add(cb.equal(tableRoot.get(NETWORK_INSTANCE_ID), instanceIdMap.get("networkInstanceId")));
 196                 }
 197
 198                 if (requestScope.equals("configuration") && instanceIdMap.get("configurationInstanceId") != null) {
 199                     predicates.add(cb.equal(tableRoot.get(CONFIGURATION_INSTANCE_ID),
 200                             instanceIdMap.get("configurationInstanceId")));
 201                 }
 202
 203                 if (requestScope.equals(OPENV) && instanceIdMap.get("operationalEnvironmentId") != null) {
 204                     predicates.add(
 205                             cb.equal(tableRoot.get(OPERATIONAL_ENV_ID), instanceIdMap.get("operationalEnvironmentId")));
 206                 }
 207             }
 208         }
 209         if (!predicates.isEmpty()) {
 210             predicates.add(tableRoot.get(REQUEST_STATUS)
 211                     .in(Arrays.asList("PENDING", "IN_PROGRESS", "TIMEOUT", "PENDING_MANUAL_TASK")));
 212
 213             final Order order = cb.desc(tableRoot.get(START_TIME));
 214
 215             final List<InfraActiveRequests> dupList = executeInfraQuery(crit, predicates, order);
 216
 217             if (dupList != null && !dupList.isEmpty()) {
 218                 infraActiveRequests = dupList.get(0);
 219             }
 220         }
 221
 222         return infraActiveRequests;
 223     }
 224
 225     /*
 226      * (non-Javadoc)
 227      *
 228      * @see org.onap.so.requestsdb.InfraActiveRequestsRepositoryCustom#
 229      * getOrchestrationFiltersFromInfraActive(java.util.Map)
 230      */
 231     @Override
 232     public List<InfraActiveRequests> getOrchestrationFiltersFromInfraActive(
 233             final Map<String, List<String>> orchestrationMap) {
 234
 235
 236         final List<Predicate> predicates = new LinkedList<>();
 237         final CriteriaBuilder cb = entityManager.getCriteriaBuilder();
 238         final CriteriaQuery<InfraActiveRequests> crit = cb.createQuery(InfraActiveRequests.class);
 239         final Root<InfraActiveRequests> tableRoot = crit.from(InfraActiveRequests.class);
 240         for (final Map.Entry<String, List<String>> entry : orchestrationMap.entrySet()) {
 241             String mapKey = entry.getKey();
 242             if ("serviceInstanceId".equalsIgnoreCase(mapKey)) {
 243                 mapKey = "serviceInstanceId";
 244             } else if ("serviceInstanceName".equalsIgnoreCase(mapKey)) {
 245                 mapKey = "serviceInstanceName";
 246             } else if ("vnfInstanceId".equalsIgnoreCase(mapKey)) {
 247                 mapKey = "vnfId";
 248             } else if ("vnfInstanceName".equalsIgnoreCase(mapKey)) {
 249                 mapKey = "vnfName";
 250             } else if ("vfModuleInstanceId".equalsIgnoreCase(mapKey)) {
 251                 mapKey = "vfModuleId";
 252             } else if ("vfModuleInstanceName".equalsIgnoreCase(mapKey)) {
 253                 mapKey = "vfModuleName";
 254             } else if ("volumeGroupInstanceId".equalsIgnoreCase(mapKey)) {
 255                 mapKey = "volumeGroupId";
 256             } else if ("volumeGroupInstanceName".equalsIgnoreCase(mapKey)) {
 257                 mapKey = "volumeGroupName";
 258             } else if ("networkInstanceId".equalsIgnoreCase(mapKey)) {
 259                 mapKey = "networkId";
 260             } else if ("networkInstanceName".equalsIgnoreCase(mapKey)) {
 261                 mapKey = "networkName";
 262             } else if (mapKey.equalsIgnoreCase("configurationInstanceId")) {
 263                 mapKey = "configurationId";
 264             } else if (mapKey.equalsIgnoreCase("configurationInstanceName")) {
 265                 mapKey = "configurationName";
 266             } else if ("lcpCloudRegionId".equalsIgnoreCase(mapKey)) {
 267                 mapKey = "aicCloudRegion";
 268             } else if ("tenantId".equalsIgnoreCase(mapKey)) {
 269                 mapKey = "tenantId";
 270             } else if ("modelType".equalsIgnoreCase(mapKey)) {
 271                 mapKey = "requestScope";
 272             } else if ("requestorId".equalsIgnoreCase(mapKey)) {
 273                 mapKey = "requestorId";
 274             } else if ("requestExecutionDate".equalsIgnoreCase(mapKey)) {
 275                 mapKey = "startTime";
 276             }
 277
 278             final String propertyValue = entry.getValue().get(1);
 279             if ("startTime".equals(mapKey)) {
 280                 final SimpleDateFormat format = new SimpleDateFormat("MM-dd-yyyy");
 281                 try {
 282                     final Date thisDate = format.parse(propertyValue);
 283                     final Timestamp minTime = new Timestamp(thisDate.getTime());
 284                     final Timestamp maxTime = new Timestamp(thisDate.getTime() + TimeUnit.DAYS.toMillis(1));
 285
 286                     if ("DOES_NOT_EQUAL".equalsIgnoreCase(entry.getValue().get(0))) {
 287                         predicates.add(cb.or(cb.lessThan(tableRoot.get(mapKey), minTime),
 288                                 cb.greaterThanOrEqualTo(tableRoot.get(mapKey), maxTime)));
 289                     } else {
 290                         predicates.add(cb.between(tableRoot.get(mapKey), minTime, maxTime));
 291                     }
 292                 } catch (final Exception e) {
 293                     logger.debug("Exception in getOrchestrationFiltersFromInfraActive(): {}", e.getMessage(), e);
 294                     return null;
 295                 }
 296             } else if ("DOES_NOT_EQUAL".equalsIgnoreCase(entry.getValue().get(0))) {
 297                 predicates.add(cb.notEqual(tableRoot.get(mapKey), propertyValue));
 298             } else {
 299                 predicates.add(cb.equal(tableRoot.get(mapKey), propertyValue));
 300             }
 301
 302         }
 303
 304         final Order order = cb.asc(tableRoot.get(START_TIME));
 305
 306         return executeInfraQuery(crit, predicates, order);
 307     }
 308
 309     // Added this method for Tenant Isolation project ( 1802-295491a) to query the mso_requests DB
 310     // (infra_active_requests table) for operationalEnvId and OperationalEnvName
 311     /*
 312      * (non-Javadoc)
 313      *
 314      * @see org.onap.so.requestsdb.InfraActiveRequestsRepositoryCustom#
 315      * getCloudOrchestrationFiltersFromInfraActive(java.util.Map)
 316      */
 317     @Override
 318     public List<InfraActiveRequests> getCloudOrchestrationFiltersFromInfraActive(
 319             final Map<String, String> orchestrationMap) {
 320         final List<Predicate> predicates = new LinkedList<>();
 321         final CriteriaBuilder cb = entityManager.getCriteriaBuilder();
 322         final CriteriaQuery<InfraActiveRequests> crit = cb.createQuery(InfraActiveRequests.class);
 323         final Root<InfraActiveRequests> tableRoot = crit.from(InfraActiveRequests.class);
 324
 325         // Add criteria on OperationalEnvironment RequestScope when requestorId is only specified in
 326         // the filter
 327         // as the same requestorId can also match on different API methods
 328         final String resourceType = orchestrationMap.get("resourceType");
 329         if (resourceType == null) {
 330             predicates.add(cb.equal(tableRoot.get("requestScope"), OPENV));
 331         }
 332
 333         for (final Map.Entry<String, String> entry : orchestrationMap.entrySet()) {
 334             String mapKey = entry.getKey();
 335             if (mapKey.equalsIgnoreCase("requestorId")) {
 336                 mapKey = "requestorId";
 337             } else if (mapKey.equalsIgnoreCase("requestExecutionDate")) {
 338                 mapKey = "startTime";
 339             } else if (mapKey.equalsIgnoreCase("operationalEnvironmentId")) {
 340                 mapKey = "operationalEnvId";
 341             } else if (mapKey.equalsIgnoreCase("operationalEnvironmentName")) {
 342                 mapKey = "operationalEnvName";
 343             } else if (mapKey.equalsIgnoreCase("resourceType")) {
 344                 mapKey = "requestScope";
 345             }
 346
 347             final String propertyValue = entry.getValue();
 348             if (mapKey.equals("startTime")) {
 349                 final SimpleDateFormat format = new SimpleDateFormat("MM-dd-yyyy");
 350                 try {
 351                     final Date thisDate = format.parse(propertyValue);
 352                     final Timestamp minTime = new Timestamp(thisDate.getTime());
 353                     final Timestamp maxTime = new Timestamp(thisDate.getTime() + TimeUnit.DAYS.toMillis(1));
 354
 355                     predicates.add(cb.between(tableRoot.get(mapKey), minTime, maxTime));
 356                 } catch (final Exception e) {
 357                     logger.debug("Exception in getCloudOrchestrationFiltersFromInfraActive(): {}", e.getMessage());
 358                     return null;
 359                 }
 360             } else {
 361                 predicates.add(cb.equal(tableRoot.get(mapKey), propertyValue));
 362             }
 363         }
 364
 365         final Order order = cb.asc(tableRoot.get(START_TIME));
 366         return executeInfraQuery(crit, predicates, order);
 367     }
 368
 369     /*
 370      * (non-Javadoc)
 371      *
 372      * @see org.onap.so.requestsdb.InfraActiveRequestsRepositoryCustom#getRequestListFromInfraActive(java .lang.String,
 373      * java.lang.String, java.lang.String)
 374      */
 375     @Override
 376     public List<InfraActiveRequests> getRequestListFromInfraActive(final String queryAttributeName,
 377             final String queryValue, final String requestType) {
 378         logger.debug("Get list of infra requests from DB with {} = {}", queryAttributeName, queryValue);
 379
 380
 381         try {
 382             final CriteriaBuilder cb = entityManager.getCriteriaBuilder();
 383             final CriteriaQuery<InfraActiveRequests> crit = cb.createQuery(InfraActiveRequests.class);
 384             final Root<InfraActiveRequests> candidateRoot = crit.from(InfraActiveRequests.class);
 385             final Predicate isEqual = cb.equal(candidateRoot.get(queryAttributeName), queryValue);
 386             final Order orderDesc = cb.desc(candidateRoot.get(START_TIME));
 387             final Order orderAsc = cb.asc(candidateRoot.get(SOURCE));
 388
 389             final List<InfraActiveRequests> arList = entityManager.createQuery(crit).getResultList();
 390             if (arList != null && !arList.isEmpty()) {
 391                 return arList;
 392             }
 393         } catch (final Exception exception) {
 394             logger.error("Unable to execute query", exception);
 395         }
 396         return Collections.emptyList();
 397     }
 398
 399
 400     /*
 401      * (non-Javadoc)
 402      *
 403      * @see org.onap.so.requestsdb.InfraActiveRequestsRepositoryCustom#getRequestFromInfraActive(java. lang.String,
 404      * java.lang.String)
 405      */
 406     @Override
 407     public InfraActiveRequests getRequestFromInfraActive(final String requestId, final String requestType) {
 408         logger.debug("Get infra request from DB with id {}", requestId);
 409
 410         InfraActiveRequests ar = null;
 411
 412         final Query query = entityManager
 413                 .createQuery("from InfraActiveRequests where requestId = :requestId and requestType = :requestType");
 414         query.setParameter(REQUEST_ID, requestId);
 415         ar = this.getSingleResult(query);
 416         return ar;
 417     }
 418
 419     /*
 420      * (non-Javadoc)
 421      *
 422      * @see org.onap.so.requestsdb.InfraActiveRequestsRepositoryCustom#checkVnfIdStatus(java.lang.String)
 423      */
 424     @Override
 425     public InfraActiveRequests checkVnfIdStatus(final String operationalEnvironmentId) {
 426         logger.debug("Get Infra request from DB for OperationalEnvironmentId {}", operationalEnvironmentId);
 427
 428         InfraActiveRequests ar = null;
 429
 430         final CriteriaBuilder cb = entityManager.getCriteriaBuilder();
 431         final CriteriaQuery<InfraActiveRequests> crit = cb.createQuery(InfraActiveRequests.class);
 432         final Root<InfraActiveRequests> candidateRoot = crit.from(InfraActiveRequests.class);
 433         final Predicate operationalEnvEq = cb.equal(candidateRoot.get("operationalEnvId"), operationalEnvironmentId);
 434         final Predicate requestStatusNotEq = cb.notEqual(candidateRoot.get(REQUEST_STATUS), "COMPLETE");
 435         final Order startTimeOrder = cb.desc(candidateRoot.get("startTime"));
 436         crit.select(candidateRoot);
 437         crit.where(cb.and(operationalEnvEq, requestStatusNotEq));
 438         crit.orderBy(startTimeOrder);
 439         final TypedQuery<InfraActiveRequests> query = entityManager.createQuery(crit);
 440         final List<InfraActiveRequests> results = query.getResultList();
 441         if (!results.isEmpty()) {
 442             ar = results.get(0);
 443         }
 444
 445         return ar;
 446     }
 447
 448     protected <T> T getSingleResult(final Query query) {
 449         query.setMaxResults(1);
 450         final List<T> list = query.getResultList();
 451         if (list == null || list.isEmpty()) {
 452             return null;
 453         } else if (list.size() == 1) {
 454             return list.get(0);
 455         } else {
 456             throw new NonUniqueResultException();
 457         }
 458
 459     }
 460
 461     @Override
 462     public List<InfraActiveRequests> getInfraActiveRequests(final Map<String, String[]> filters, final long startTime,
 463             final long endTime, final Integer maxResult) {
 464         if (filters == null) {
 465             return Collections.emptyList();
 466         }
 467         try {
 468             final CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
 469
 470             final CriteriaQuery<InfraActiveRequests> criteriaQuery =
 471                     criteriaBuilder.createQuery(InfraActiveRequests.class);
 472             final Root<InfraActiveRequests> tableRoot = criteriaQuery.from(InfraActiveRequests.class);
 473             final List<Predicate> predicates = getPredicates(filters, criteriaBuilder, tableRoot);
 474
 475             final Timestamp minTime = new Timestamp(startTime);
 476             final Timestamp maxTime = new Timestamp(endTime);
 477             final Predicate basePredicate = criteriaBuilder.and(predicates.toArray(new Predicate[predicates.size()]));
 478             final Predicate additionalPredicate =
 479                     criteriaBuilder.and(criteriaBuilder.greaterThanOrEqualTo(tableRoot.get(START_TIME), minTime),
 480                             criteriaBuilder.or(tableRoot.get(END_TIME).isNull(),
 481                                     criteriaBuilder.lessThanOrEqualTo(tableRoot.get(END_TIME), maxTime)));
 482
 483             criteriaQuery.where(criteriaBuilder.and(basePredicate, additionalPredicate));
 484             if (maxResult != null) {
 485                 return entityManager.createQuery(criteriaQuery).setMaxResults(maxResult).getResultList();
 486             }
 487             return entityManager.createQuery(criteriaQuery).getResultList();
 488         } catch (final Exception exception) {
 489             logger.error("Unable to execute query using filters: {}", filters, exception);
 490             return Collections.emptyList();
 491         }
 492     }
 493
 494     protected List<Predicate> getPredicates(final Map<String, String[]> filters, final CriteriaBuilder criteriaBuilder,
 495             final Root<InfraActiveRequests> tableRoot) {
 496         final List<Predicate> predicates = new LinkedList<>();
 497         for (final Entry<String, String[]> entry : filters.entrySet()) {
 498             final String[] params = entry.getValue();
 499             if (VALID_COLUMNS.contains(entry.getKey()) && params.length == 2) {
 500                 final QueryOperationType operationType = QueryOperationType.getQueryOperationType(params[0]);
 501                 final Predicate predicate =
 502                         operationType.getPredicate(criteriaBuilder, tableRoot, entry.getKey(), params[1]);
 503                 predicates.add(predicate);
 504             }
 505         }
 506         return predicates;
 507     }
 508 }