/*-
 * ========================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 java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Vector;

import org.oransc.enrichment.exceptions.ServiceException;

/**
 * Dynamic representation of all existing EI jobs.
 */
public class EiJobs {
    private Map<String, EiJob> allEiJobs = new HashMap<>();

    private MultiMap<EiJob> jobsByType = new MultiMap<>();
    private MultiMap<EiJob> jobsByOwner = new MultiMap<>();

    public synchronized void put(EiJob job) {
        allEiJobs.put(job.id(), job);
        jobsByType.put(job.type().getId(), job.id(), job);
        jobsByOwner.put(job.owner(), job.id(), job);
    }

    public synchronized Collection<EiJob> getJobs() {
        return new Vector<>(allEiJobs.values());
    }

    public synchronized EiJob getJob(String id) throws ServiceException {
        EiJob ric = allEiJobs.get(id);
        if (ric == null) {
            throw new ServiceException("Could not find EI job: " + id);
        }
        return ric;
    }

    public synchronized Collection<EiJob> getJobsForType(String typeId) {
        return jobsByType.get(typeId);
    }

    public synchronized Collection<EiJob> getJobsForType(EiType type) {
        return jobsByType.get(type.getId());
    }

    public synchronized Collection<EiJob> getJobsForOwner(String owner) {
        return jobsByOwner.get(owner);
    }

    public synchronized EiJob get(String id) {
        return allEiJobs.get(id);
    }

    public synchronized EiJob remove(String id) {
        EiJob job = allEiJobs.get(id);
        if (job != null) {
            remove(job);
        }
        return job;
    }

    public synchronized void remove(EiJob job) {
        this.allEiJobs.remove(job.id());
        jobsByType.remove(job.type().getId(), job.id());
        jobsByOwner.remove(job.owner(), job.id());
    }

    public synchronized int size() {
        return allEiJobs.size();
    }

    public synchronized void clear() {
        this.allEiJobs.clear();
        this.jobsByType.clear();
        jobsByOwner.clear();
    }

}