ISession.cs

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// 
//  Copyright 2010-2015 Deveel
// 
//    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.
//

using System;
using System.Collections.Generic;

using Deveel.Data.Diagnostics;
using Deveel.Data.Security;
using Deveel.Data.Sql;
using Deveel.Data.Transactions;

namespace Deveel.Data {
    public interface ISession : IEventSource, IDisposable {
        string CurrentSchema { get; }

        DateTimeOffset StartedOn { get; }

        DateTimeOffset? LastCommandTime { get; }

        User User { get; }

        ITransaction Transaction { get; }

        new ISessionContext Context { get; }


        //ILargeObject CreateLargeObject(long size, bool compressed);

        //ILargeObject GetLargeObject(ObjectId objId);

        void Access(IEnumerable<IDbObject> objects, AccessType accessType);

        void Exit(IEnumerable<IDbObject> objects, AccessType accessType);

        void Lock(IEnumerable<IDbObject> objects, AccessType accessType, LockingMode mode);

        IQuery CreateQuery();


        void Commit();

        void Rollback();
    }
}