-/*-
- * ========================LICENSE_START=================================
- * O-RAN-SC
- * %%
- * Copyright (C) 2019 Nordix Foundation
- * %%
- * 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.oransc.enrichment.repository;
-
-import com.google.gson.Gson;
-import com.google.gson.GsonBuilder;
-import com.google.gson.TypeAdapterFactory;
-
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.PrintStream;
-import java.lang.invoke.MethodHandles;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.ServiceLoader;
-import java.util.Vector;
-
-import org.oransc.enrichment.configuration.ApplicationConfig;
-import org.oransc.enrichment.controllers.r1producer.ProducerCallbacks;
-import org.oransc.enrichment.exceptions.ServiceException;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.http.HttpStatus;
-import org.springframework.util.FileSystemUtils;
-
-/**
- * Dynamic representation of all existing Information Jobs.
- */
-public class InfoJobs {
- private Map<String, InfoJob> allEiJobs = new HashMap<>();
-
- private MultiMap<InfoJob> jobsByType = new MultiMap<>();
- private MultiMap<InfoJob> jobsByOwner = new MultiMap<>();
- private final Gson gson;
-
- private final ApplicationConfig config;
- private final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
-
- private final ProducerCallbacks producerCallbacks;
-
- public InfoJobs(ApplicationConfig config, ProducerCallbacks producerCallbacks) {
- this.config = config;
- GsonBuilder gsonBuilder = new GsonBuilder();
- ServiceLoader.load(TypeAdapterFactory.class).forEach(gsonBuilder::registerTypeAdapterFactory);
- this.gson = gsonBuilder.create();
- this.producerCallbacks = producerCallbacks;
- }
-
- public synchronized void restoreJobsFromDatabase() throws IOException {
- Files.createDirectories(Paths.get(getDatabaseDirectory()));
- File dbDir = new File(getDatabaseDirectory());
-
- for (File file : dbDir.listFiles()) {
- String json = Files.readString(file.toPath());
- InfoJob job = gson.fromJson(json, InfoJob.class);
- this.doPut(job);
- }
- }
-
- public synchronized void put(InfoJob job) {
- this.doPut(job);
- storeJobInFile(job);
- }
-
- public synchronized Collection<InfoJob> getJobs() {
- return new Vector<>(allEiJobs.values());
- }
-
- public synchronized InfoJob getJob(String id) throws ServiceException {
- InfoJob ric = allEiJobs.get(id);
- if (ric == null) {
- throw new ServiceException("Could not find Information job: " + id, HttpStatus.NOT_FOUND);
- }
- return ric;
- }
-
- public synchronized Collection<InfoJob> getJobsForType(String typeId) {
- return jobsByType.get(typeId);
- }
-
- public synchronized Collection<InfoJob> getJobsForType(InfoType type) {
- return jobsByType.get(type.getId());
- }
-
- public synchronized Collection<InfoJob> getJobsForOwner(String owner) {
- return jobsByOwner.get(owner);
- }
-
- public synchronized InfoJob get(String id) {
- return allEiJobs.get(id);
- }
-
- public synchronized InfoJob remove(String id, InfoProducers infoProducers) {
- InfoJob job = allEiJobs.get(id);
- if (job != null) {
- remove(job, infoProducers);
- }
- return job;
- }
-
- public synchronized void remove(InfoJob job, InfoProducers infoProducers) {
- this.allEiJobs.remove(job.getId());
- jobsByType.remove(job.getTypeId(), job.getId());
- jobsByOwner.remove(job.getOwner(), job.getId());
-
- try {
- Files.delete(getPath(job));
- } catch (IOException e) {
- logger.warn("Could not remove file: {}", e.getMessage());
- }
- this.producerCallbacks.stopInfoJob(job, infoProducers);
- }
-
- public synchronized int size() {
- return allEiJobs.size();
- }
-
- public synchronized void clear() {
- this.allEiJobs.clear();
- this.jobsByType.clear();
- jobsByOwner.clear();
- clearDatabase();
- }
-
- private void clearDatabase() {
- try {
- FileSystemUtils.deleteRecursively(Path.of(getDatabaseDirectory()));
- Files.createDirectories(Paths.get(getDatabaseDirectory()));
- } catch (IOException e) {
- logger.warn("Could not delete database : {}", e.getMessage());
- }
- }
-
- private void doPut(InfoJob job) {
- allEiJobs.put(job.getId(), job);
- jobsByType.put(job.getTypeId(), job.getId(), job);
- jobsByOwner.put(job.getOwner(), job.getId(), job);
- }
-
- private void storeJobInFile(InfoJob job) {
- try {
- try (PrintStream out = new PrintStream(new FileOutputStream(getFile(job)))) {
- out.print(gson.toJson(job));
- }
- } catch (Exception e) {
- logger.warn("Could not store job: {} {}", job.getId(), e.getMessage());
- }
- }
-
- private File getFile(InfoJob job) {
- return getPath(job).toFile();
- }
-
- private Path getPath(InfoJob job) {
- return Path.of(getDatabaseDirectory(), job.getId());
- }
-
- private String getDatabaseDirectory() {
- return config.getVardataDirectory() + "/database/eijobs";
- }
-
-}