// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you 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.cloud.vm;

import com.cloud.domain.Domain;
import com.cloud.user.Account;
import com.cloud.user.User;
import com.cloud.utils.Journal;
import com.cloud.utils.db.EntityManager;

public class ReservationContextImpl implements ReservationContext {
    User _caller;
    Account _account;
    Domain _domain;
    Journal _journal;
    String _reservationId;

    public ReservationContextImpl(String reservationId, Journal journal, User caller) {
        this(reservationId, journal, caller, null, null);
    }

    public ReservationContextImpl(String reservationId, Journal journal, User caller, Account account) {
        this(reservationId, journal, caller, account, null);

    }

    public ReservationContextImpl(String reservationId, Journal journal, User caller, Account account, Domain domain) {
        _caller = caller;
        _account = account;
        _domain = domain;
        _journal = journal;
        _reservationId = reservationId;
    }

    @Override
    public long getDomainId() {
        return 0;
    }

    @Override
    public long getAccountId() {
        return _caller.getAccountId();
    }

    @Override
    public User getCaller() {
        return _caller;
    }

    @Override
    public Account getAccount() {
        if (_account == null) {
            _account = s_entityMgr.findById(Account.class, _caller.getId());
        }
        return _account;
    }

    @Override
    public Domain getDomain() {
        if (_domain == null) {
            getAccount();
            _domain = s_entityMgr.findById(Domain.class, _account.getDomainId());
        }
        return _domain;
    }

    @Override
    public Journal getJournal() {
        return _journal;
    }

    @Override
    public String getReservationId() {
        return _reservationId;
    }

    static EntityManager s_entityMgr;

    static public void init(EntityManager entityMgr) {
        s_entityMgr = entityMgr;
    }
}