/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2015 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* http://glassfish.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package org.glassfish.jersey.examples.feedcombiner.service;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;
import javax.inject.Inject;
import javax.inject.Named;
import org.glassfish.jersey.examples.feedcombiner.generator.IdGenerator;
import org.glassfish.jersey.examples.feedcombiner.model.CombinedFeed;
import org.glassfish.jersey.examples.feedcombiner.store.InMemoryDataStore;
import org.glassfish.jersey.examples.feedcombiner.store.ReadWriteLockDataStore;
import static org.glassfish.jersey.examples.feedcombiner.ApplicationProperties.DEFAULT_REFRESH_PERIOD;
import static org.glassfish.jersey.examples.feedcombiner.model.CombinedFeed.CombinedFeedBuilder.of;
/**
* @author Petr Bouda (petr.bouda at oracle.com)
*/
public class CombinedFeedService implements CrudService<CombinedFeed> {
private InMemoryDataStore datastore;
private IdGenerator idGenerator;
private String defaultRefreshPeriod;
@Inject
public CombinedFeedService(InMemoryDataStore datastore, IdGenerator idGenerator,
@Named(DEFAULT_REFRESH_PERIOD) String defaultRefreshPeriod) {
this.datastore = datastore;
this.idGenerator = idGenerator;
this.defaultRefreshPeriod = defaultRefreshPeriod;
}
@Override
public CombinedFeed save(CombinedFeed insertedFeed) {
String entityId = idGenerator.getId();
CombinedFeed.CombinedFeedBuilder feedBuilder = of(insertedFeed).id(entityId).feedEntries(null);
if (insertedFeed.getRefreshPeriod() == 0) {
feedBuilder.refreshPeriod(Long.parseLong(defaultRefreshPeriod));
}
CombinedFeed combinedFeed = feedBuilder.build();
datastore.put(entityId, combinedFeed);
return combinedFeed;
}
@Override
public Serializable delete(String feedId) {
return datastore.put(feedId, null);
}
@Override
public CombinedFeed update(CombinedFeed feed) {
throw new UnsupportedOperationException("This operation is not implemented yet.");
}
@Override
public CombinedFeed get(String feedId) {
return datastore.get(feedId, CombinedFeed.class);
}
@Override
public List<CombinedFeed> getAll() {
//TODO ugly, for purposes of CRUD controller
if (datastore instanceof ReadWriteLockDataStore) {
ReadWriteLockDataStore rwDatastore = (ReadWriteLockDataStore) datastore;
Collection<Serializable> entities = rwDatastore.getAll();
return entities.parallelStream()
.filter(entity -> entity instanceof CombinedFeed)
.map(CombinedFeed.class::cast)
.collect(Collectors.toList());
}
return new ArrayList<>();
}
}