// Copyright 2012,2013 Vaughn Vernon
//
// 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 com.saasovation.agilepm.port.adapter.persistence;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.UUID;
import com.saasovation.agilepm.domain.model.product.ProductId;
import com.saasovation.agilepm.domain.model.product.release.Release;
import com.saasovation.agilepm.domain.model.product.release.ReleaseId;
import com.saasovation.agilepm.domain.model.product.release.ReleaseRepository;
import com.saasovation.agilepm.domain.model.tenant.TenantId;
import com.saasovation.common.port.adapter.persistence.leveldb.AbstractLevelDBRepository;
import com.saasovation.common.port.adapter.persistence.leveldb.LevelDBKey;
import com.saasovation.common.port.adapter.persistence.leveldb.LevelDBUnitOfWork;
public class LevelDBReleaseRepository
extends AbstractLevelDBRepository
implements ReleaseRepository {
private static final String PRIMARY = "RELEASE#PK";
private static final String PRODUCT_RELEASES = "RELEASE#PR";
public LevelDBReleaseRepository() {
super(LevelDBDatabasePath.agilePMPath());
}
@Override
public Collection<Release> allProductReleases(TenantId aTenantId, ProductId aProductId) {
List<Release> releases = new ArrayList<Release>();
LevelDBKey productReleases = new LevelDBKey(PRODUCT_RELEASES, aTenantId.id(), aProductId.id());
LevelDBUnitOfWork uow = LevelDBUnitOfWork.readOnly(this.database());
List<Object> keys = uow.readKeys(productReleases);
for (Object releaseId : keys) {
Release release = uow.readObject(releaseId.toString().getBytes(), Release.class);
if (release != null) {
releases.add(release);
}
}
return releases;
}
@Override
public ReleaseId nextIdentity() {
return new ReleaseId(UUID.randomUUID().toString().toUpperCase());
}
@Override
public Release releaseOfId(TenantId aTenantId, ReleaseId aReleaseId) {
LevelDBKey primaryKey = new LevelDBKey(PRIMARY, aTenantId.id(), aReleaseId.id());
Release release =
LevelDBUnitOfWork.readOnly(this.database())
.readObject(primaryKey.key().getBytes(), Release.class);
return release;
}
@Override
public void remove(Release aRelease) {
LevelDBKey lockKey = new LevelDBKey(PRIMARY, aRelease.tenantId().id());
LevelDBUnitOfWork uow = LevelDBUnitOfWork.current();
uow.lock(lockKey.key());
this.remove(aRelease, uow);
}
@Override
public void removeAll(Collection<Release> aReleaseCollection) {
boolean locked = false;
LevelDBUnitOfWork uow = LevelDBUnitOfWork.current();
for (Release release : aReleaseCollection) {
if (!locked) {
LevelDBKey lockKey = new LevelDBKey(PRIMARY, release.tenantId().id());
uow.lock(lockKey.key());
locked = true;
}
this.remove(release, uow);
}
}
@Override
public void save(Release aRelease) {
LevelDBKey lockKey = new LevelDBKey(PRIMARY, aRelease.tenantId().id());
LevelDBUnitOfWork uow = LevelDBUnitOfWork.current();
uow.lock(lockKey.key());
this.save(aRelease, uow);
}
@Override
public void saveAll(Collection<Release> aReleaseCollection) {
boolean locked = false;
LevelDBUnitOfWork uow = LevelDBUnitOfWork.current();
for (Release release : aReleaseCollection) {
if (!locked) {
LevelDBKey lockKey = new LevelDBKey(PRIMARY, release.tenantId().id());
uow.lock(lockKey.key());
locked = true;
}
this.save(release, uow);
}
}
private void remove(Release aRelease, LevelDBUnitOfWork aUoW) {
LevelDBKey primaryKey = new LevelDBKey(PRIMARY, aRelease.tenantId().id(), aRelease.releaseId().id());
aUoW.remove(primaryKey);
LevelDBKey productReleases = new LevelDBKey(primaryKey, PRODUCT_RELEASES, aRelease.tenantId().id(), aRelease.productId().id());
aUoW.removeKeyReference(productReleases);
}
private void save(Release aRelease, LevelDBUnitOfWork aUoW) {
LevelDBKey primaryKey = new LevelDBKey(PRIMARY, aRelease.tenantId().id(), aRelease.releaseId().id());
aUoW.write(primaryKey, aRelease);
LevelDBKey productReleases = new LevelDBKey(primaryKey, PRODUCT_RELEASES, aRelease.tenantId().id(), aRelease.productId().id());
aUoW.updateKeyReference(productReleases);
}
}