-
/*
* ============LICENSE_START=======================================================
- * Copyright (C) 2021 Bell Canada. All rights reserved.
- * ================================================================================
- * 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
+ * Copyright (c) 2021-2022 Bell Canada.
+ * ================================================================================
+ * 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
*
- * 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.
+ * 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.
*
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
*/
package org.onap.cps.notification;
+import java.time.OffsetDateTime;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.Future;
+import java.util.regex.Pattern;
+import java.util.stream.Collectors;
import lombok.extern.slf4j.Slf4j;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.beans.factory.annotation.Value;
+import org.onap.cps.spi.model.Anchor;
+import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Service;
@Service
@Slf4j
public class NotificationService {
- private boolean dataUpdatedEventNotificationEnabled;
+ private NotificationProperties notificationProperties;
private NotificationPublisher notificationPublisher;
private CpsDataUpdatedEventFactory cpsDataUpdatedEventFactory;
private NotificationErrorHandler notificationErrorHandler;
+ private List<Pattern> dataspacePatterns;
/**
* Create an instance of Notification Subscriber.
*
- * @param dataUpdatedEventNotificationEnabled notification can be enabled by setting
- * 'notification.data-updated.enabled=true' in application properties
- * @param notificationPublisher notification Publisher
- * @param cpsDataUpdatedEventFactory to create CPSDataUpdatedEvent
- * @param notificationErrorHandler error handler
+ * @param notificationProperties properties for notification
+ * @param notificationPublisher notification Publisher
+ * @param cpsDataUpdatedEventFactory to create CPSDataUpdatedEvent
+ * @param notificationErrorHandler error handler
*/
- @Autowired
public NotificationService(
- @Value("${notification.data-updated.enabled}") final boolean dataUpdatedEventNotificationEnabled,
+ final NotificationProperties notificationProperties,
final NotificationPublisher notificationPublisher,
final CpsDataUpdatedEventFactory cpsDataUpdatedEventFactory,
final NotificationErrorHandler notificationErrorHandler) {
- this.dataUpdatedEventNotificationEnabled = dataUpdatedEventNotificationEnabled;
+ log.info("Notification Properties {}", notificationProperties);
+ this.notificationProperties = notificationProperties;
this.notificationPublisher = notificationPublisher;
this.cpsDataUpdatedEventFactory = cpsDataUpdatedEventFactory;
this.notificationErrorHandler = notificationErrorHandler;
+ this.dataspacePatterns = getDataspaceFilterPatterns(notificationProperties);
+ }
+
+ private List<Pattern> getDataspaceFilterPatterns(final NotificationProperties notificationProperties) {
+ if (notificationProperties.isEnabled()) {
+ return Arrays.stream(notificationProperties.getFilters()
+ .getOrDefault("enabled-dataspaces", "")
+ .split(","))
+ .map(filterPattern -> Pattern.compile(filterPattern, Pattern.CASE_INSENSITIVE))
+ .collect(Collectors.toList());
+ } else {
+ return Collections.emptyList();
+ }
}
/**
* Process Data Updated Event and publishes the notification.
*
- * @param dataspaceName dataspace name
- * @param anchorName anchor name
+ * @param anchor anchor
+ * @param observedTimestamp observedTimestamp
+ * @param xpath xpath of changed data node
+ * @param operation operation
+ * @return future
*/
- public void processDataUpdatedEvent(final String dataspaceName, final String anchorName) {
- log.debug("process data updated event for dataspace '{}' & anchor '{}'", dataspaceName, anchorName);
+ @Async("notificationExecutor")
+ public Future<Void> processDataUpdatedEvent(final Anchor anchor, final OffsetDateTime observedTimestamp,
+ final String xpath, final Operation operation) {
+ log.debug("process data updated event for anchor '{}'", anchor);
try {
- if (shouldSendNotification()) {
+ if (shouldSendNotification(anchor.getDataspaceName())) {
final var cpsDataUpdatedEvent =
- cpsDataUpdatedEventFactory.createCpsDataUpdatedEvent(dataspaceName, anchorName);
+ cpsDataUpdatedEventFactory.createCpsDataUpdatedEvent(anchor,
+ observedTimestamp, getRootNodeOperation(xpath, operation));
log.debug("data updated event to be published {}", cpsDataUpdatedEvent);
notificationPublisher.sendNotification(cpsDataUpdatedEvent);
}
CPS operation should not fail if sending event fails for any reason.
*/
notificationErrorHandler.onException("Failed to process cps-data-updated-event.",
- exception, dataspaceName, anchorName);
+ exception, anchor, xpath, operation);
}
+ return CompletableFuture.completedFuture(null);
}
/*
Add more complex rules based on dataspace and anchor later
*/
- private boolean shouldSendNotification() {
- return dataUpdatedEventNotificationEnabled;
+ private boolean shouldSendNotification(final String dataspaceName) {
+
+ return notificationProperties.isEnabled()
+ && dataspacePatterns.stream()
+ .anyMatch(pattern -> pattern.matcher(dataspaceName).find());
+ }
+
+ private Operation getRootNodeOperation(final String xpath, final Operation operation) {
+ return isRootXpath(xpath) || isRootContainerNodeXpath(xpath) ? operation : Operation.UPDATE;
+ }
+
+ private static boolean isRootXpath(final String xpath) {
+ return "/".equals(xpath) || "".equals(xpath);
+ }
+
+ private static boolean isRootContainerNodeXpath(final String xpath) {
+ return 0 == xpath.lastIndexOf('/');
}
}
Code Review / cps.git / blobdiff