FsDb-Archive/FsDb.Test/Program.cs

using System;
using System.Collections.Generic;
using System.Text;
using System.Linq;
using Newtonsoft.Json;

namespace FsDb.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            var db = new FsDbEngine(
                AppDomain.CurrentDomain.BaseDirectory
                         .CombineLocalPath("data")
            );

            var colBook = db.GetCollection<Book>();
            var colTag = db.GetCollection<Tag>();
            var colBookTag = db.GetCollection<BookTag>();

            var book = new Book();
            var tag = new Tag();
            var booktag = new BookTag();

            colBook.Add(book);
            colTag.Add(tag);

            booktag.Book = book;
            booktag.Tag = tag;

            colBookTag.Add(booktag);

            colBook.Compress();
            colTag.Compress();
            colBookTag.Compress();
        }
    }

    class Book : FsDbEntityBase
    {
        public string Name { get; set; }
        public string Author { get; set; }
        public decimal Price { get; set; }

        public float Rank { get; set; }

        [JsonIgnore]
        public FsDbEntitySet<BookTag> BookTag { private set; get; }

        public Book()
        {
            BookTag = new FsDbEntitySet<BookTag>(
                this, p => p.BookID == this.ID
                    , p => p.BookID = this.ID
            );
        }
    }

    class Tag : FsDbEntityBase
    {
        public int Name { get; set; }
        public float Rank { get; set; }

        [JsonIgnore]
        public FsDbEntitySet<BookTag> BookTag { private set; get; }

        public Tag()
        {
            BookTag = new FsDbEntitySet<BookTag>(
                this, p => p.TagID == this.ID
                    , p => p.TagID = this.ID
            );
        }
    }

    class BookTag : FsDbEntityBase
    {
        public int BookID { get; set; }
        public int TagID { get; set; }
        public float Rank { get; set; }

        private FsDbEntityRef<Book> m_Book;
        private FsDbEntityRef<Tag> m_Tag;

        public BookTag()
        {
            m_Book = new FsDbEntityRef<Book>(
                this,
                 p => p.ID == this.BookID
                 , p => this.BookID = p.ID
            );

            m_Tag = new FsDbEntityRef<Tag>(
                this,
                 p => p.ID == this.TagID
                 , p => this.TagID = p.ID
            );
        }

        [JsonIgnore]
        public Book Book
        {
            get { return m_Book.Entity; }
            set { m_Book.Entity = value; }
        }

        [JsonIgnore]
        public Tag Tag
        {
            get { return m_Tag.Entity; }
            set { m_Tag.Entity = value; }
        }
    }
}