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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 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;
import com.att.eelf.configuration.Configuration;
import org.onap.aai.dbmap.AAIGraph;
import org.onap.aai.exceptions.AAIException;
import org.onap.aai.introspection.Introspector;
import org.onap.aai.introspection.Loader;
import org.onap.aai.introspection.LoaderFactory;
import org.onap.aai.introspection.ModelType;
import org.onap.aai.migration.EventAction;
import org.onap.aai.migration.NotificationHelper;
import org.onap.aai.serialization.db.DBSerializer;
import org.onap.aai.serialization.engines.JanusGraphDBEngine;
import org.onap.aai.serialization.engines.QueryStyle;
import org.onap.aai.serialization.engines.TransactionalGraphEngine;
import org.onap.aai.setup.SchemaVersion;
import org.onap.aai.setup.SchemaVersions;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.slf4j.MDC;
import java.io.IOException;
import java.net.URI;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.*;
import java.util.concurrent.atomic.AtomicInteger;
public class SendDeleteMigrationNotifications {
protected Logger logger = LoggerFactory.getLogger(SendDeleteMigrationNotifications.class.getSimpleName());
private String config;
private String path;
long sleepInMilliSecs;
int numToBatch;
private String requestId;
private EventAction eventAction;
private String eventSource;
protected QueryStyle queryStyle = QueryStyle.TRAVERSAL;
protected ModelType introspectorFactoryType = ModelType.MOXY;
protected Loader loader = null;
protected TransactionalGraphEngine engine = null;
protected NotificationHelper notificationHelper = null;
protected DBSerializer serializer = null;
protected final LoaderFactory loaderFactory;
protected final SchemaVersions schemaVersions;
protected final SchemaVersion version;
public SendDeleteMigrationNotifications(LoaderFactory loaderFactory, SchemaVersions schemaVersions, String config, String path, int sleepInMilliSecs, int numToBatch, String requestId, EventAction eventAction, String eventSource) {
System.setProperty("aai.service.name", SendDeleteMigrationNotifications.class.getSimpleName());
Properties props = System.getProperties();
props.setProperty(Configuration.PROPERTY_LOGGING_FILE_NAME, "migration-logback.xml");
props.setProperty(Configuration.PROPERTY_LOGGING_FILE_PATH, AAIConstants.AAI_HOME_ETC_APP_PROPERTIES);
MDC.put("logFilenameAppender", SendDeleteMigrationNotifications.class.getSimpleName());
this.config = config;
this.path = path;
this.sleepInMilliSecs = sleepInMilliSecs;
this.numToBatch = numToBatch;
this.requestId = requestId;
this.eventAction = eventAction;
this.eventSource = eventSource;
this.loaderFactory = loaderFactory;
this.schemaVersions = schemaVersions;
this.version = schemaVersions.getDefaultVersion();
initGraph();
initFields();
}
public void process(String basePath) {
try {
Map<Integer, String> deleteDataMap = processFile();
int count = 0;
for (Map.Entry<Integer, String> entry : deleteDataMap.entrySet()) {
logger.debug("Processing " + entry.getKey() + " :: Data :: " + entry.getValue());
String data = entry.getValue();
Introspector obj = null;
if (data.contains("#@#")) {
String[] splitLine = data.split("#@#");
if (splitLine.length == 3) {
obj = loader.unmarshal(splitLine[0], splitLine[2]);
this.notificationHelper.addDeleteEvent(UUID.randomUUID().toString(), splitLine[0], eventAction,
URI.create(splitLine[1]), obj, new HashMap(), basePath);
}
}
count++;
if (count >= this.numToBatch) {
trigger();
logger.debug("Triggered " + entry.getKey());
count = 0;
Thread.sleep(this.sleepInMilliSecs);
}
}
if (count > 0) {
trigger();
}
cleanup();
} catch (Exception e) {
logger.warn("Exception caught during SendDeleteMigrationNotifications.process()", e);
}
}
protected void trigger() throws AAIException {
this.notificationHelper.triggerEvents();
}
private Map<Integer,String> processFile() throws IOException {
List<String> lines = Files.readAllLines(Paths.get(path));
final Map<Integer,String> data = new LinkedHashMap<>();
AtomicInteger counter = new AtomicInteger(0);
lines.stream().forEach(line -> {
if (line.contains("#@#")) {
data.put(counter.incrementAndGet(), line);
}
});
return data;
}
protected void cleanup() {
logAndPrint("Events sent, closing graph connections");
engine.rollback();
AAIGraph.getInstance().graphShutdown();
logAndPrint("---------- Done ----------");
}
private void initFields() {
this.loader = loaderFactory.createLoaderForVersion(introspectorFactoryType, version);
this.engine = new JanusGraphDBEngine(queryStyle, loader);
try {
this.serializer = new DBSerializer(version, this.engine, introspectorFactoryType, this.eventSource);
} catch (AAIException e) {
throw new RuntimeException("could not create serializer", e);
}
this.notificationHelper = new NotificationHelper(loader, serializer, loaderFactory, schemaVersions, engine, requestId, this.eventSource);
}
protected void initGraph() {
System.setProperty("realtime.db.config", this.config);
logAndPrint("\n\n---------- Connecting to Graph ----------");
AAIGraph.getInstance();
logAndPrint("---------- Connection Established ----------");
}
protected void logAndPrint(String msg) {
System.out.println(msg);
logger.debug(msg);
}
}
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