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/*
* Copyright © 2016-2018 European Support Limited
*
* 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.
*/
package org.openecomp.sdc.versioning.dao.impl;
import com.amdocs.zusammen.datatypes.Id;
import com.amdocs.zusammen.datatypes.SessionContext;
import com.amdocs.zusammen.datatypes.item.ItemVersion;
import com.amdocs.zusammen.datatypes.itemversion.Tag;
import java.util.Collection;
import java.util.Comparator;
import java.util.Optional;
import org.apache.commons.collections4.CollectionUtils;
import org.openecomp.core.zusammen.api.ZusammenAdaptor;
import org.openecomp.core.zusammen.api.ZusammenUtil;
import org.openecomp.sdc.versioning.dao.VersionableEntityDao;
import org.openecomp.sdc.versioning.dao.types.Version;
import org.openecomp.sdc.versioning.types.VersionableEntityMetadata;
public class VersionableEntityDaoZusammenImpl implements VersionableEntityDao {
private ZusammenAdaptor zusammenAdaptor;
public VersionableEntityDaoZusammenImpl(ZusammenAdaptor zusammenAdaptor) {
this.zusammenAdaptor = zusammenAdaptor;
}
@Override
public void initVersion(VersionableEntityMetadata versionableTableMetadata, String entityId,
Version baseVersion, Version newVersion) {
// redundant in zusammen impl.
}
@Override
public void deleteVersion(VersionableEntityMetadata versionableTableMetadata, String entityId,
Version versionToDelete, Version backToVersion) {
SessionContext context = ZusammenUtil.createSessionContext();
Id itemId = new Id(entityId);
Id versionId = getItemVersionId(itemId, context);
zusammenAdaptor.resetVersionHistory(context, itemId, versionId, backToVersion.toString());
}
@Override
public void closeVersion(VersionableEntityMetadata versionableTableMetadata, String entityId,
Version versionToClose) {
SessionContext context = ZusammenUtil.createSessionContext();
Id itemId = new Id(entityId);
Id versionId = getItemVersionId(itemId, context);
zusammenAdaptor
.tagVersion(context, itemId, versionId, new Tag(versionToClose.toString(), null));
}
// TODO: 3/19/2017 move to a common util
private Id getItemVersionId(Id itemId, SessionContext context) {
Optional<ItemVersion> itemVersionOptional = getFirstVersion(context, itemId);
ItemVersion itemVersion = itemVersionOptional.orElseThrow(() ->
new RuntimeException(String.format("No version was found for item %s.", itemId)));
return itemVersion.getId();
}
private Optional<ItemVersion> getFirstVersion(SessionContext context, Id itemId) {
Collection<ItemVersion> versions = zusammenAdaptor.listPublicVersions(context, itemId);
return CollectionUtils.isEmpty(versions)
? Optional.empty()
: versions.stream().min(getVersionModificationTimeDescComparator());
}
private static Comparator<ItemVersion> getVersionModificationTimeDescComparator() {
return (o1, o2) -> Integer.compare(o2.getId().getValue().length(), o1.getId().getValue().length());
}
}
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