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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2019 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.onap.aai.util.delta;
import com.google.gson.*;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Map;
import org.onap.aai.db.props.AAIProperties;
import org.onap.aai.dmaap.AAIDmaapEventJMSProducer;
import org.onap.aai.dmaap.MessageProducer;
import org.onap.aai.util.AAIConfig;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class DeltaEvents {
private static final Logger LOGGER = LoggerFactory.getLogger(DeltaEvents.class);
private static final Gson gson =
new GsonBuilder().setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_DASHES).create();
private String transId;
private String sourceName;
private String eventVersion = "v1";
private String schemaVersion;
private Map<String, ObjectDelta> objectDeltas;
private MessageProducer messageProducer;
public DeltaEvents(String transId, String sourceName, String schemaVersion, Map<String, ObjectDelta> objectDeltas) {
this(transId, sourceName, schemaVersion, objectDeltas, new AAIDmaapEventJMSProducer());
}
public DeltaEvents(String transId, String sourceName, String schemaVersion, Map<String, ObjectDelta> objectDeltas,
MessageProducer messageProducer) {
this.transId = transId;
this.sourceName = sourceName;
this.schemaVersion = schemaVersion;
this.objectDeltas = objectDeltas;
this.messageProducer = messageProducer;
}
public boolean triggerEvents() {
if (objectDeltas.isEmpty()) {
return false;
}
JsonObject finalJson = new JsonObject();
finalJson.addProperty("event-topic", "DELTA");
finalJson.addProperty("transId", transId);
finalJson.addProperty("fromAppId", sourceName);
finalJson.addProperty("fullId", "");
finalJson.add("aaiEventPayload", buildEvent());
this.messageProducer.sendMessageToDefaultDestination(finalJson.toString());
return true;
}
private JsonObject buildEvent() {
JsonObject event = new JsonObject();
event.addProperty("cambria.partition", this.getPartition());
event.add("event-header", getHeader());
event.add("entities", gson.toJsonTree(objectDeltas.values()));
return event;
}
private String getPartition() {
return "DELTA";
}
private JsonObject getHeader() {
ObjectDelta first = objectDeltas.values().iterator().next();
JsonObject header = new JsonObject();
header.addProperty("id", this.transId);
header.addProperty("timestamp", this.getTimeStamp(first.getTimestamp()));
header.addProperty("source-name", this.sourceName);
header.addProperty("domain", this.getDomain());
header.addProperty("event-type", this.getEventType());
header.addProperty("event-version", this.eventVersion);
header.addProperty("schema-version", this.schemaVersion);
header.addProperty("action", first.getAction().toString());
header.addProperty("entity-type", this.getEntityType(first));
header.addProperty("entity-link", first.getUri());
header.addProperty("entity-uuid", this.getUUID(first));
return header;
}
private String getUUID(ObjectDelta objectDelta) {
return (String) objectDelta.getPropertyDeltas().get(AAIProperties.AAI_UUID).getValue();
}
private String getEntityType(ObjectDelta objectDelta) {
return (String) objectDelta.getPropertyDeltas().get(AAIProperties.NODE_TYPE).getValue();
}
private String getEventType() {
return "DELTA";
}
private String getDomain() {
return AAIConfig.get("aai.notificationEvent.default.domain", "UNK");
}
/**
* Given Long timestamp convert to format YYYYMMdd-HH:mm:ss:SSS
*
* @param timestamp milliseconds since epoc
* @return long timestamp in format YYYYMMdd-HH:mm:ss:SSS
*/
private String getTimeStamp(long timestamp) {
// SimpleDateFormat is not thread safe new instance needed
DateFormat df = new SimpleDateFormat("yyyyMMdd-HH:mm:ss:SSS");
return df.format(new Date(timestamp));
}
}
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