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/*-
* ============LICENSE_START=======================================================
* org.openecomp.aai
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. 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
*
* 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.openecomp.aai.rest.ueb;
import java.io.UnsupportedEncodingException;
import java.net.URI;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import javax.ws.rs.core.Response.Status;
import org.openecomp.aai.db.AAIProperties;
import org.openecomp.aai.exceptions.AAIException;
import org.openecomp.aai.introspection.Introspector;
import org.openecomp.aai.introspection.Loader;
import org.openecomp.aai.introspection.LoaderFactory;
import org.openecomp.aai.introspection.Version;
import org.openecomp.aai.parsers.uri.URIToObject;
import org.openecomp.aai.util.AAIConfig;
/**
* The Class UEBNotification.
*/
public class UEBNotification {
private Loader loader = null;
private Loader currentVersionLoader = null;
protected List<NotificationEvent> events = null;
private String urlBase = null;
private Version notificationVersion = null;
/**
* Instantiates a new UEB notification.
*
* @param loader the loader
*/
public UEBNotification(Loader loader) {
events = new ArrayList<>();
this.loader = loader;
this.currentVersionLoader = LoaderFactory.createLoaderForVersion(loader.getModelType(), AAIProperties.LATEST, loader.getLogLineBuilder());
urlBase = AAIConfig.get("aai.server.url.base","");
notificationVersion = Version.valueOf(AAIConfig.get("aai.notification.current.version","v8"));
}
/**
* Creates the notification event.
*
* @param sourceOfTruth the source of truth
* @param status the status
* @param uri the uri
* @param obj the obj
* @throws AAIException the AAI exception
* @throws IllegalArgumentException the illegal argument exception
* @throws UnsupportedEncodingException the unsupported encoding exception
*/
public void createNotificationEvent(String sourceOfTruth, Status status, URI uri, Introspector obj, HashMap<String, Introspector> relatedObjects) throws AAIException, IllegalArgumentException, UnsupportedEncodingException {
String action = "UPDATE";
if (status.equals(Status.CREATED)) {
action = "CREATE";
} else if (status.equals(Status.OK)) {
action = "UPDATE";
} else if (status.equals(Status.NO_CONTENT)) {
action = "DELETE";
}
// if (cloudRegionWorkaround.isAffected(uri)) {
// uri = cloudRegionWorkaround.addToUri(uri);
// }
Introspector eventHeader = currentVersionLoader.introspectorFromName("notification-event-header");
URIToObject parser = new URIToObject(currentVersionLoader, uri, relatedObjects);
String entityLink = urlBase + notificationVersion + "/" + uri;
eventHeader.setValue("entity-link", entityLink);
eventHeader.setValue("action", action);
eventHeader.setValue("entity-type", obj.getDbName());
eventHeader.setValue("top-entity-type", parser.getTopEntityName());
eventHeader.setValue("source-name", sourceOfTruth);
eventHeader.setValue("version", notificationVersion.toString());
List<Object> parentList = parser.getParentList();
parentList.clear();
Introspector eventObject = null;
if (!parser.getTopEntity().equals(parser.getEntity())) {
Introspector child = obj;
if (!parser.getLoader().getVersion().equals(obj.getVersion())) {
String json = obj.marshal(false);
child = parser.getLoader().unmarshal(parser.getEntity().getName(), json);
}
//wrap the child object in its parents
parentList.add(child.getUnderlyingObject());
}
//convert to most resent version
if (!parser.getLoader().getVersion().equals(currentVersionLoader.getVersion())) {
String json = "";
if (parser.getTopEntity().equals(parser.getEntity())) {
//convert the parent object passed in
json = obj.marshal(false);
eventObject = currentVersionLoader.unmarshal(obj.getName(), json);
} else {
//convert the object created in the parser
json = parser.getTopEntity().marshal(false);
eventObject = currentVersionLoader.unmarshal(parser.getTopEntity().getName(), json);
}
} else {
if (parser.getTopEntity().equals(parser.getEntity())) {
//take the top level parent object passed in
eventObject = obj;
} else {
//take the wrapped child objects (ogres are like onions)
eventObject = parser.getTopEntity();
}
}
NotificationEvent event = new NotificationEvent(notificationVersion, eventHeader, eventObject);
events.add(event);
}
/**
* Trigger events.
*
* @throws AAIException the AAI exception
*/
public void triggerEvents() throws AAIException {
for (NotificationEvent event : events) {
event.trigger();
}
events.clear();
}
public List<NotificationEvent> getEvents() {
return this.events;
}
}
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