// 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 com.saasovation.agilepm.domain.model.team.Team;
import com.saasovation.agilepm.domain.model.team.TeamRepository;
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 LevelDBTeamRepository
extends AbstractLevelDBRepository
implements TeamRepository {
private static final String PRIMARY = "TEAM#1";
private static final String TEAM_OF_TENANT = "TEAM#2";
public LevelDBTeamRepository() {
super(LevelDBDatabasePath.agilePMPath());
}
@Override
public Collection<Team> allTeamsOfTenant(TenantId aTenantId) {
List<Team> teams = new ArrayList<Team>();
LevelDBKey teamsOfTenant = new LevelDBKey(TEAM_OF_TENANT, aTenantId.id());
LevelDBUnitOfWork uow = LevelDBUnitOfWork.readOnly(this.database());
List<Object> keys = uow.readKeys(teamsOfTenant);
for (Object teamId : keys) {
Team team = uow.readObject(teamId.toString().getBytes(), Team.class);
if (team != null) {
teams.add(team);
}
}
return teams;
}
@Override
public void remove(Team aTeam) {
LevelDBKey lockKey = new LevelDBKey(PRIMARY, aTeam.tenantId().id());
LevelDBUnitOfWork uow = LevelDBUnitOfWork.current();
uow.lock(lockKey.key());
this.remove(aTeam, uow);
}
@Override
public void removeAll(Collection<Team> aTeamCollection) {
boolean locked = false;
LevelDBUnitOfWork uow = LevelDBUnitOfWork.current();
for (Team team : aTeamCollection) {
if (!locked) {
LevelDBKey lockKey = new LevelDBKey(PRIMARY, team.tenantId().id());
uow.lock(lockKey.key());
locked = true;
}
this.remove(team, uow);
}
}
@Override
public void save(Team aTeam) {
LevelDBKey lockKey = new LevelDBKey(PRIMARY, aTeam.tenantId().id());
LevelDBUnitOfWork uow = LevelDBUnitOfWork.current();
uow.lock(lockKey.key());
this.save(aTeam, uow);
}
@Override
public void saveAll(Collection<Team> aTeamCollection) {
boolean locked = false;
LevelDBUnitOfWork uow = LevelDBUnitOfWork.current();
for (Team team : aTeamCollection) {
if (!locked) {
LevelDBKey lockKey = new LevelDBKey(PRIMARY, team.tenantId().id());
uow.lock(lockKey.key());
locked = true;
}
this.save(team, uow);
}
}
@Override
public Team teamNamed(TenantId aTenantId, String aName) {
LevelDBKey primaryKey = new LevelDBKey(PRIMARY, aTenantId.id(), aName);
Team team =
LevelDBUnitOfWork.readOnly(this.database())
.readObject(primaryKey.key().getBytes(), Team.class);
return team;
}
private void remove(Team aTeam, LevelDBUnitOfWork aUoW) {
LevelDBKey primaryKey = new LevelDBKey(PRIMARY, aTeam.tenantId().id(), aTeam.name());
aUoW.remove(primaryKey);
LevelDBKey teamOfTenant = new LevelDBKey(primaryKey, TEAM_OF_TENANT, aTeam.tenantId().id());
aUoW.removeKeyReference(teamOfTenant);
}
private void save(Team aTeam, LevelDBUnitOfWork aUoW) {
LevelDBKey primaryKey = new LevelDBKey(PRIMARY, aTeam.tenantId().id(), aTeam.name());
aUoW.write(primaryKey, aTeam);
LevelDBKey teamOfTenant = new LevelDBKey(primaryKey, TEAM_OF_TENANT, aTeam.tenantId().id());
aUoW.updateKeyReference(teamOfTenant);
}
}