* 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.
* limitations under the License.
* ============LICENSE_END=========================================================
*/
-
package org.openecomp.sdc.be.model.cache;
+import fj.data.Either;
+import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
-import java.util.Map.Entry;
-import java.util.Set;
+import java.util.Optional;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
-import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantReadWriteLock;
-import java.util.stream.Collectors;
-
import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
-import javax.annotation.Resource;
-
+import lombok.AccessLevel;
+import lombok.Getter;
+import org.apache.commons.collections.CollectionUtils;
+import org.apache.commons.collections.MapUtils;
import org.apache.commons.lang3.concurrent.BasicThreadFactory;
-import org.apache.commons.lang3.tuple.ImmutablePair;
import org.openecomp.sdc.be.config.BeEcompErrorManager;
import org.openecomp.sdc.be.config.BeEcompErrorManager.ErrorSeverity;
-import org.openecomp.sdc.be.config.Configuration.ApplicationL1CacheConfig;
import org.openecomp.sdc.be.config.Configuration.ApplicationL1CacheInfo;
import org.openecomp.sdc.be.config.ConfigurationManager;
-import org.openecomp.sdc.be.dao.titan.TitanOperationStatus;
+import org.openecomp.sdc.be.dao.janusgraph.JanusGraphOperationStatus;
import org.openecomp.sdc.be.model.DataTypeDefinition;
import org.openecomp.sdc.be.model.operations.impl.PropertyOperation;
import org.openecomp.sdc.be.resources.data.DataTypeData;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import org.openecomp.sdc.common.log.enums.EcompLoggerErrorCode;
+import org.openecomp.sdc.common.log.wrappers.Logger;
+import org.springframework.context.ApplicationEvent;
+import org.springframework.context.ApplicationEventPublisher;
import org.springframework.stereotype.Component;
-import fj.data.Either;
-
@Component("application-datatype-cache")
public class ApplicationDataTypeCache implements ApplicationCache<DataTypeDefinition>, Runnable {
- private final ReentrantReadWriteLock rwl = new ReentrantReadWriteLock();
- private final Lock r = rwl.readLock();
- private final Lock w = rwl.writeLock();
-
- private Map<String, DataTypeDefinition> data = new HashMap<>();
-
- private ScheduledExecutorService scheduledPollingService = Executors.newScheduledThreadPool(1,
- new BasicThreadFactory.Builder().namingPattern("ApplicationDataTypeCacheThread-%d").build());
- ScheduledFuture<?> scheduledFuture = null;
-
- private static Logger log = LoggerFactory.getLogger(ApplicationDataTypeCache.class.getName());
-
- private int firstRunDelayInSec = 30;
- private int pollingIntervalInSec = 60;
-
- @Resource
- private PropertyOperation propertyOperation;
-
- @PostConstruct
- public void init() {
-
- ApplicationL1CacheConfig applicationL1CacheConfig = ConfigurationManager.getConfigurationManager()
- .getConfiguration().getApplicationL1Cache();
- if (applicationL1CacheConfig != null) {
- if (applicationL1CacheConfig.getDatatypes() != null) {
- ApplicationL1CacheInfo datatypesInfo = applicationL1CacheConfig.getDatatypes();
- if (datatypesInfo.getEnabled()) {
- Integer intervalInSec = datatypesInfo.getPollIntervalInSec();
- if (intervalInSec != null) {
- pollingIntervalInSec = intervalInSec;
- }
- Integer firstRunDelay = datatypesInfo.getFirstRunDelay();
- if (firstRunDelay != null) {
- firstRunDelayInSec = firstRunDelay;
- }
- log.trace("ApplicationDataTypesCache polling interval is {} seconds.", pollingIntervalInSec);
- if (scheduledPollingService != null) {
- log.debug("Start ApplicationDataTypeCache polling task. polling interval {} seconds",
- pollingIntervalInSec);
- scheduledFuture = scheduledPollingService.scheduleAtFixedRate(this, firstRunDelayInSec,
- pollingIntervalInSec, TimeUnit.SECONDS);
- }
-
- }
- } else {
- BeEcompErrorManager.getInstance().logInternalFlowError("ApplicationDataTypesCache", "Cache is disabled",
- ErrorSeverity.INFO);
- }
- } else {
- BeEcompErrorManager.getInstance().logInternalFlowError("ApplicationDataTypesCache", "Cache is disabled",
- ErrorSeverity.INFO);
- }
-
- }
-
- @PreDestroy
- void destroy() {
-
- if (scheduledFuture != null) {
- boolean result = scheduledFuture.cancel(true);
- log.debug("Stop polling task. result = {}", result);
-
- scheduledFuture = null;
- }
- shutdownExecutor();
- }
-
- private void shutdownExecutor() {
- if (scheduledPollingService == null)
- return;
-
- scheduledPollingService.shutdown(); // Disable new tasks from being
- // submitted
- try {
- // Wait a while for existing tasks to terminate
- if (!scheduledPollingService.awaitTermination(60, TimeUnit.SECONDS)) {
- scheduledPollingService.shutdownNow(); // Cancel currently
- // executing tasks
- // Wait a while for tasks to respond to being cancelled
- if (!scheduledPollingService.awaitTermination(60, TimeUnit.SECONDS))
- log.debug("Pool did not terminate");
- }
- } catch (InterruptedException ie) {
- // (Re-)Cancel if current thread also interrupted
- scheduledPollingService.shutdownNow();
- // Preserve interrupt status
- Thread.currentThread().interrupt();
- }
- }
-
- private Either<Map<String, DataTypeDefinition>, TitanOperationStatus> getAllDataTypesFromGraph() {
-
- Either<Map<String, DataTypeDefinition>, TitanOperationStatus> allDataTypes = propertyOperation
- .getAllDataTypes();
-
- return allDataTypes;
-
- }
-
- @Override
- public Either<Map<String, DataTypeDefinition>, TitanOperationStatus> getAll() {
-
- try {
-
- r.lock();
- if (data == null || data.isEmpty()) {
- return getAllDataTypesFromGraph();
- }
-
- return Either.left(data);
-
- } finally {
- r.unlock();
- }
- }
-
- @Override
- public Either<DataTypeDefinition, TitanOperationStatus> get(String uniqueId) {
-
- try {
- r.lock();
-
- if (data == null || data.isEmpty()) {
- Either<DataTypeDefinition, TitanOperationStatus> dataTypeByUid = propertyOperation
- .getDataTypeByUid(uniqueId);
- return dataTypeByUid;
- } else {
- DataTypeDefinition dataTypeDefinition = data.values().stream()
- .filter(p -> p.getUniqueId().equals(uniqueId)).findFirst().orElse(null);
- if (dataTypeDefinition == null) {
- Either<DataTypeDefinition, TitanOperationStatus> dataTypeByUid = propertyOperation
- .getDataTypeByUid(uniqueId);
- return dataTypeByUid;
- } else {
- return Either.left(dataTypeDefinition);
- }
- }
- } finally {
- r.unlock();
- }
- }
-
- @Override
- public void run() {
- log.trace("run() method. polling db to fetch data types");
-
- try {
-
- Long start = System.currentTimeMillis();
- log.trace("Start fetching all data types from db");
- Either<List<DataTypeData>, TitanOperationStatus> allDataTypeNodes = propertyOperation.getAllDataTypeNodes();
- Long end = System.currentTimeMillis();
- log.trace("Finish fetching all data types from db. Took {} Milliseconds", (end - start));
- if (allDataTypeNodes.isRight()) {
- TitanOperationStatus status = allDataTypeNodes.right().value();
- if (status != TitanOperationStatus.OK) {
- log.debug("ApplicationDataTypesCache - Failed to fetch all data types nodes");
- BeEcompErrorManager.getInstance().logInternalConnectionError("FetchDataTypes",
- "Failed to fetch data types from graph(cache)", ErrorSeverity.INFO);
- }
- } else {
-
- List<DataTypeData> list = allDataTypeNodes.left().value();
- if (list != null) {
-
- Map<String, ImmutablePair<Long, Long>> dataTypeNameToModificationTime = list.stream()
- .collect(Collectors.toMap(p -> p.getDataTypeDataDefinition().getName(),
- p -> new ImmutablePair<Long, Long>(p.getDataTypeDataDefinition().getCreationTime(),
- p.getDataTypeDataDefinition().getModificationTime())));
-
- Map<String, ImmutablePair<Long, Long>> currentDataTypeToModificationTime = new HashMap<>();
- try {
- r.lock();
- if (data != null) {
- currentDataTypeToModificationTime = data.values().stream().collect(Collectors.toMap(
- p -> p.getName(),
- p -> new ImmutablePair<Long, Long>(p.getCreationTime(), p.getModificationTime())));
-
- }
- } finally {
- r.unlock();
- }
-
- boolean isChanged = compareDataTypes(dataTypeNameToModificationTime,
- currentDataTypeToModificationTime);
- if (isChanged) {
- replaceAllData();
- }
-
- }
- }
-
- } catch (Exception e) {
- log.debug("unexpected error occured", e);
-
- BeEcompErrorManager.getInstance().logInternalUnexpectedError("ApplicationDataTypesCache",
- "Failed to run refresh data types job", ErrorSeverity.INFO);
- } finally {
- try {
- propertyOperation.getTitanGenericDao().commit();
- } catch (Exception e) {
- log.trace("Failed to commit ApplicationDataTypeCache", e);
- }
- }
-
- }
-
- private boolean compareDataTypes(Map<String, ImmutablePair<Long, Long>> dataTypeNameToModificationTime,
- Map<String, ImmutablePair<Long, Long>> currentDataTypeToModificationTime) {
- if (dataTypeNameToModificationTime.size() != currentDataTypeToModificationTime.size()) {
- return true;
- } else {
-
- Set<String> currentkeySet = currentDataTypeToModificationTime.keySet();
- Set<String> keySet = dataTypeNameToModificationTime.keySet();
-
- if (currentkeySet.containsAll(keySet)) {
-
- for (Entry<String, ImmutablePair<Long, Long>> entry : dataTypeNameToModificationTime.entrySet()) {
- String dataTypeName = entry.getKey();
- ImmutablePair<Long, Long> creationAndModificationTimes = entry.getValue();
- long creationTime = creationAndModificationTimes.getLeft() == null ? 0
- : creationAndModificationTimes.getLeft().longValue();
- long modificationTime = creationAndModificationTimes.getRight() == null ? 0
- : creationAndModificationTimes.getRight().longValue();
-
- ImmutablePair<Long, Long> currentEntry = currentDataTypeToModificationTime.get(dataTypeName);
- long currentCreationTime = currentEntry.getLeft() == null ? 0 : currentEntry.getLeft().longValue();
- long currentModificationTime = currentEntry.getRight() == null ? 0
- : currentEntry.getRight().longValue();
-
- if (creationTime > currentCreationTime || modificationTime > currentModificationTime) {
- log.debug("Datatype {} was updated. Creation Time {} vs {}. Modification Time {} vs {}",
- dataTypeName, currentCreationTime, creationTime, currentModificationTime,
- modificationTime);
- return true;
- }
- }
- } else {
- return true;
- }
-
- }
-
- return false;
- }
-
- private void replaceAllData() {
-
- Either<Map<String, DataTypeDefinition>, TitanOperationStatus> allDataTypes = propertyOperation
- .getAllDataTypes();
-
- if (allDataTypes.isRight()) {
- TitanOperationStatus status = allDataTypes.right().value();
- log.debug("Failed to fetch all data types from db. Status is {}", status);
- } else {
-
- try {
- w.lock();
-
- Map<String, DataTypeDefinition> newDataTypes = allDataTypes.left().value();
- data = newDataTypes;
-
- BeEcompErrorManager.getInstance().logInternalFlowError("ReplaceDataTypesCache",
- "Succeed to replace the data types cache", ErrorSeverity.INFO);
-
- } finally {
- w.unlock();
- }
-
- }
-
- }
+ private static final String APPLICATION_DATA_TYPES_CACHE = "ApplicationDataTypesCache";
+ private static final Logger log = Logger.getLogger(ApplicationDataTypeCache.class);
+
+ private final ReentrantReadWriteLock readWriteLock = new ReentrantReadWriteLock();
+ private final PropertyOperation propertyOperation;
+ private final ApplicationEventPublisher applicationEventPublisher;
+ @Getter(AccessLevel.PACKAGE)
+ private final ScheduledExecutorService scheduledPollingService;
+ @Getter(AccessLevel.PACKAGE)
+ private ScheduledFuture<?> scheduledFuture = null;
+ private Map<String, DataTypeDefinition> dataTypesCacheMap = new HashMap<>();
+ private int firstRunDelayInSec = 30;
+ private int pollingIntervalInSec = 60;
+
+ public ApplicationDataTypeCache(final PropertyOperation propertyOperation, final ApplicationEventPublisher applicationEventPublisher) {
+ this.propertyOperation = propertyOperation;
+ this.applicationEventPublisher = applicationEventPublisher;
+ scheduledPollingService = Executors
+ .newScheduledThreadPool(1, new BasicThreadFactory.Builder().namingPattern("ApplicationDataTypeCacheThread-%d").build());
+ }
+
+ @PostConstruct
+ void init() {
+ final Optional<ApplicationL1CacheInfo> dataTypeCacheConfigOptional = getDataTypeCacheConfig();
+ if (dataTypeCacheConfigOptional.isEmpty()) {
+ BeEcompErrorManager.getInstance()
+ .logInternalFlowError(APPLICATION_DATA_TYPES_CACHE, "Data types cache is not configured and will be disabled", ErrorSeverity.INFO);
+ return;
+ }
+ final ApplicationL1CacheInfo dataTypesCacheInfo = dataTypeCacheConfigOptional.get();
+ if (!Boolean.TRUE.equals(dataTypesCacheInfo.getEnabled())) {
+ BeEcompErrorManager.getInstance().logInternalFlowError(APPLICATION_DATA_TYPES_CACHE, "Data types cache is disabled", ErrorSeverity.INFO);
+ return;
+ }
+ loadConfigurationValues(dataTypesCacheInfo);
+ if (scheduledPollingService != null) {
+ log.debug("Starting ApplicationDataTypeCache polling task. Initial delay {}s and polling interval {}s",
+ firstRunDelayInSec, pollingIntervalInSec);
+ scheduledFuture = scheduledPollingService
+ .scheduleAtFixedRate(this, firstRunDelayInSec, pollingIntervalInSec, TimeUnit.SECONDS);
+ }
+ }
+
+ private void loadConfigurationValues(final ApplicationL1CacheInfo dataTypesCacheInfo) {
+ final Integer firstRunDelay = dataTypesCacheInfo.getFirstRunDelay();
+ if (firstRunDelay != null) {
+ firstRunDelayInSec = firstRunDelay;
+ }
+ log.trace("ApplicationDataTypesCache initial delay configured to {} seconds.", firstRunDelayInSec);
+
+ final Integer intervalInSec = dataTypesCacheInfo.getPollIntervalInSec();
+ if (intervalInSec != null) {
+ pollingIntervalInSec = intervalInSec;
+ }
+ log.trace("ApplicationDataTypesCache polling interval configured to {} seconds.", pollingIntervalInSec);
+ }
+
+ private Optional<ApplicationL1CacheInfo> getDataTypeCacheConfig() {
+ final var applicationL1CacheConfig = ConfigurationManager.getConfigurationManager().getConfiguration().getApplicationL1Cache();
+ if (applicationL1CacheConfig == null || applicationL1CacheConfig.getDatatypes() == null) {
+ return Optional.empty();
+ }
+ return Optional.ofNullable(applicationL1CacheConfig.getDatatypes());
+ }
+
+ @PreDestroy
+ void destroy() {
+ if (scheduledFuture != null) {
+ boolean result = scheduledFuture.cancel(true);
+ log.debug("Stop polling task. result = {}", result);
+ scheduledFuture = null;
+ }
+ shutdownExecutor();
+ }
+
+ private void shutdownExecutor() {
+ if (scheduledPollingService == null) {
+ return;
+ }
+ scheduledPollingService.shutdown(); // Disable new tasks from being
+
+ // submitted
+ try {
+ // Wait a while for existing tasks to terminate
+ if (!scheduledPollingService.awaitTermination(60, TimeUnit.SECONDS)) {
+ scheduledPollingService.shutdownNow(); // Cancel currently
+
+ // executing tasks
+
+ // Wait a while for tasks to respond to being cancelled
+ if (!scheduledPollingService.awaitTermination(60, TimeUnit.SECONDS)) {
+ log.debug("Pool did not terminate");
+ }
+ }
+ } catch (InterruptedException ie) {
+ // (Re-)Cancel if current thread also interrupted
+ scheduledPollingService.shutdownNow();
+ // Preserve interrupt status
+ Thread.currentThread().interrupt();
+ }
+ }
+
+ private Either<Map<String, DataTypeDefinition>, JanusGraphOperationStatus> getAllDataTypesFromGraph() {
+ return propertyOperation.getAllDataTypes();
+ }
+
+ @Override
+ public Either<Map<String, DataTypeDefinition>, JanusGraphOperationStatus> getAll() {
+ try {
+ readWriteLock.readLock().lock();
+ if (MapUtils.isEmpty(dataTypesCacheMap)) {
+ return getAllDataTypesFromGraph();
+ }
+ return Either.left(new HashMap<>(dataTypesCacheMap));
+ } finally {
+ readWriteLock.readLock().unlock();
+ }
+ }
+
+ @Override
+ public Either<DataTypeDefinition, JanusGraphOperationStatus> get(String uniqueId) {
+ try {
+ readWriteLock.readLock().lock();
+ if (MapUtils.isEmpty(dataTypesCacheMap)) {
+ return propertyOperation.getDataTypeByUid(uniqueId);
+ }
+
+ final Optional<DataTypeDefinition> dataTypeDefinition = dataTypesCacheMap.values().stream()
+ .filter(p -> p.getUniqueId().equals(uniqueId)).findFirst();
+ if (dataTypeDefinition.isEmpty()) {
+ return propertyOperation.getDataTypeByUid(uniqueId);
+ }
+ return Either.left(new DataTypeDefinition(dataTypeDefinition.get()));
+ } finally {
+ readWriteLock.readLock().unlock();
+ }
+ }
+
+ @Override
+ public void run() {
+ try {
+ final long startTime = System.currentTimeMillis();
+ log.trace("Starting refresh data types cache job");
+ if (hasDataTypesChanged()) {
+ log.info("Detected changes in the data types, updating the data type cache.");
+ refreshDataTypesCache();
+ }
+ log.trace("Finished refresh data types cache job. Finished in {}ms", (System.currentTimeMillis() - startTime));
+ } catch (final Exception e) {
+ var errorMsg = "Failed to run refresh data types cache job";
+ log.error(EcompLoggerErrorCode.UNKNOWN_ERROR, ApplicationDataTypeCache.class.getName(), errorMsg, e);
+ BeEcompErrorManager.getInstance().logInternalUnexpectedError(APPLICATION_DATA_TYPES_CACHE, errorMsg, ErrorSeverity.INFO);
+ } finally {
+ try {
+ propertyOperation.getJanusGraphGenericDao().commit();
+ } catch (final Exception e) {
+ log.error(EcompLoggerErrorCode.UNKNOWN_ERROR, ApplicationDataTypeCache.class.getName(),
+ "Failed to commit ApplicationDataTypeCache", e);
+ }
+ }
+ }
+
+ private boolean hasDataTypesChanged() {
+ final List<DataTypeData> dataTypeListFromDatabase = findAllDataTypesLazy();
+ final Map<String, DataTypeDefinition> dataTypesCacheCopyMap = copyDataTypeCache();
+
+ if (dataTypeListFromDatabase.size() != dataTypesCacheCopyMap.size()) {
+ log.debug("Total of cached data types '{}' differs from the actual '{}'", dataTypeListFromDatabase.size(), dataTypesCacheCopyMap.size());
+ return true;
+ }
+
+ if (CollectionUtils.isEmpty(dataTypeListFromDatabase)) {
+ log.debug("Both data type cache and database are empty");
+ return false;
+ }
+
+ return hasDataTypesChanged(dataTypeListFromDatabase, dataTypesCacheCopyMap);
+ }
+
+ private boolean hasDataTypesChanged(final List<DataTypeData> dataTypeListFromDatabase, final Map<String, DataTypeDefinition> dataTypesCacheCopyMap) {
+ return dataTypeListFromDatabase.stream().map(DataTypeData::getDataTypeDataDefinition).anyMatch(actualDataTypeDefinition -> {
+ final String dataTypeName = actualDataTypeDefinition.getName();
+ final DataTypeDefinition cachedDataTypeDefinition = dataTypesCacheCopyMap.get(dataTypeName);
+ if (cachedDataTypeDefinition == null) {
+ log.debug("Datatype '{}' is not present in the cache. ", dataTypeName);
+ return true;
+ }
+
+ final long cachedCreationTime = cachedDataTypeDefinition.getCreationTime() == null ? 0 : cachedDataTypeDefinition.getCreationTime();
+ final long actualCreationTime = actualDataTypeDefinition.getCreationTime() == null ? 0 : actualDataTypeDefinition.getCreationTime();
+ if (cachedCreationTime != actualCreationTime) {
+ log.debug("Datatype '{}' was updated. Cache/database creation time '{}'/'{}'.",
+ dataTypeName, cachedCreationTime, actualCreationTime);
+ return true;
+ }
+ final long cachedModificationTime =
+ cachedDataTypeDefinition.getModificationTime() == null ? 0 : cachedDataTypeDefinition.getModificationTime();
+ final long actualModificationTime =
+ actualDataTypeDefinition.getModificationTime() == null ? 0 : actualDataTypeDefinition.getModificationTime();
+ if (cachedModificationTime != actualModificationTime) {
+ log.debug("Datatype '{}' was updated. Cache/database modification time '{}'/'{}'.",
+ dataTypeName, cachedModificationTime, actualModificationTime);
+ return true;
+ }
+
+ return false;
+ });
+ }
+
+ private Map<String, DataTypeDefinition> copyDataTypeCache() {
+ try {
+ readWriteLock.readLock().lock();
+ return new HashMap<>(this.dataTypesCacheMap);
+ } finally {
+ readWriteLock.readLock().unlock();
+ }
+ }
+
+ private void refreshDataTypesCache() {
+ final Map<String, DataTypeDefinition> dataTypesDefinitionMap = findAllDataTypesEager();
+ if (dataTypesDefinitionMap.isEmpty()) {
+ return;
+ }
+ try {
+ readWriteLock.writeLock().lock();
+ dataTypesCacheMap = dataTypesDefinitionMap;
+ onDataChangeEventEmit();
+ BeEcompErrorManager.getInstance()
+ .logInternalFlowError("ReplaceDataTypesCache", "Succeed to replace the data types cache", ErrorSeverity.INFO);
+ } finally {
+ readWriteLock.writeLock().unlock();
+ }
+ }
+
+ private Map<String, DataTypeDefinition> findAllDataTypesEager() {
+ log.trace("Fetching data types from database, eager mode");
+ final long startTime = System.currentTimeMillis();
+ final Either<Map<String, DataTypeDefinition>, JanusGraphOperationStatus> allDataTypes = propertyOperation.getAllDataTypes();
+ log.trace("Finish fetching data types from database. Took {}ms", (System.currentTimeMillis() - startTime));
+ if (allDataTypes.isRight()) {
+ final JanusGraphOperationStatus status = allDataTypes.right().value();
+ var errorMsg= String.format("Failed to fetch data types from database. Status is %s", status);
+ log.error(EcompLoggerErrorCode.UNKNOWN_ERROR, ApplicationDataTypeCache.class.getName(), errorMsg);
+ BeEcompErrorManager.getInstance().logInternalConnectionError(APPLICATION_DATA_TYPES_CACHE, errorMsg, ErrorSeverity.ERROR);
+ return Collections.emptyMap();
+ }
+ return allDataTypes.left().value();
+ }
+
+ private List<DataTypeData> findAllDataTypesLazy() {
+ log.trace("Fetching data types from database, lazy mode");
+ final long startTime = System.currentTimeMillis();
+ final Either<List<DataTypeData>, JanusGraphOperationStatus> allDataTypes = propertyOperation.getAllDataTypeNodes();
+ log.trace("Finish fetching data types from database. Took {}ms", (System.currentTimeMillis() - startTime));
+ if (allDataTypes.isRight()) {
+ final JanusGraphOperationStatus status = allDataTypes.right().value();
+ var errorMsg= String.format("Failed to fetch data types from database. Status is %s", status);
+ log.error(EcompLoggerErrorCode.UNKNOWN_ERROR, ApplicationDataTypeCache.class.getName(), errorMsg);
+ BeEcompErrorManager.getInstance().logInternalConnectionError(APPLICATION_DATA_TYPES_CACHE, errorMsg, ErrorSeverity.ERROR);
+ return Collections.emptyList();
+ }
+ return allDataTypes.left().value();
+ }
+
+ private void onDataChangeEventEmit() {
+ log.trace("Data type cache has changed, sending DataTypesCacheChangedEvent.");
+ applicationEventPublisher.publishEvent(new DataTypesCacheChangedEvent(this, copyDataTypeCache()));
+ }
+
+ /**
+ * Custom event to notify all interested in cached data changes
+ */
+ public static class DataTypesCacheChangedEvent extends ApplicationEvent {
+
+ @Getter
+ private final Map<String, DataTypeDefinition> newData;
+
+ public DataTypesCacheChangedEvent(final Object source, final Map<String, DataTypeDefinition> newData) {
+ super(source);
+ this.newData = newData;
+ }
+ }
}
Code Review / sdc.git / blobdiff