/**
* Licensed to The Apereo Foundation under one or more contributor license
* agreements. See the NOTICE file distributed with this work for additional
* information regarding copyright ownership.
*
*
* The Apereo Foundation licenses this file to you under the Educational
* Community 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://opensource.org/licenses/ecl2.txt
*
* 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.
*
*/
package org.opencastproject.kernel.bundleinfo;
import static org.opencastproject.util.data.Monadics.mlist;
import static org.opencastproject.util.persistence.Queries.persist;
import org.opencastproject.util.data.Function;
import org.opencastproject.util.persistence.PersistenceEnv;
import java.util.List;
import javax.persistence.EntityManager;
public abstract class AbstractBundleInfoDb implements BundleInfoDb {
protected abstract PersistenceEnv getPersistenceEnv();
@Override
public void store(final BundleInfo info) {
tx(persist(BundleInfoJpa.create(info)));
}
@Override
public void delete(String host, long bundleId) {
tx(BundleInfoJpa.delete(host, bundleId));
}
@Override
public void clear(String host) {
tx(BundleInfoJpa.deleteByHost(host));
}
@Override
public void clearAll() throws BundleInfoDbException {
tx(BundleInfoJpa.deleteAll);
}
@Override
public List<BundleInfo> getBundles() {
return mlist(tx(BundleInfoJpa.findAll)).map(BundleInfoJpa.toBundleInfo).value();
}
@Override
public List<BundleInfo> getBundles(String... prefixes) throws BundleInfoDbException {
return mlist(tx(BundleInfoJpa.findAll(prefixes))).map(BundleInfoJpa.toBundleInfo).value();
}
private <A> A tx(Function<EntityManager, A> f) {
return getPersistenceEnv().<A> tx().rethrow(exTransformer).apply(f);
}
private static final Function<Exception, BundleInfoDbException> exTransformer = new Function<Exception, BundleInfoDbException>() {
@Override
public BundleInfoDbException apply(Exception e) {
return new BundleInfoDbException(e);
}
};
}