/// <summary>
/// Add a set of users to the system
/// </summary>
/// <param name="context"></param>
/// <param name="numUsers">The number of users to add</param>
/// <returns></returns>
public static List <IUser> AddUsers(TweetBoxContext context, int numUsers)
{
Console.WriteLine(@"Adding " + numUsers + " users");
var users = new List <IUser>();
for (var i = 0; i < numUsers; i++)
{
//create a random username
var r1 = Random.Next(0, 24);
var r2 = Random.Next(0, 24);
var r3 = Random.Next(1, 2000);
var username = Firstnames[r1] + Surnames[r2] + r3.ToString();
//create a user
var user = context.Users.Create();
//set the properties
user.Username = username;
user.Bio = Sentence(100);
user.DateRegistered = GetRandomRegistrationDate();
var sna = new SocialNetworkAccount {
AccountName = Word(15), AuthorizationKey = Word(26)
};
context.SocialNetworkAccounts.Add(sna);
user.SocialNetworkAccount = sna;
//keep track of all users to return
users.Add(user);
}
return(users);
}
private static void Main(string[] args)
{
// Initialise license and stores directory location
SamplesConfiguration.Register();
//create a unique store name
var storeName = "tweetbox_" + Guid.NewGuid().ToString();
//connection string to the BrightstarDB service
string connectionString = string.Format(@"Type=embedded;storesDirectory={0};StoreName={1};",
SamplesConfiguration.StoresDirectory,
storeName);
const int numUsers = 100;
//Load the database with users, hashtags and tweets
var context = new TweetBoxContext(connectionString);
var timetaken = LoadTweetBoxContent(context, numUsers);
const int numTweets = numUsers*200;
Console.WriteLine("Created, persisted and indexed {0} users, {1} tweets, {2} hashtags in {3} seconds.",
numUsers, numTweets, _allHashTags.Count, (timetaken/1000));
// Shutdown Brightstar processing threads.
BrightstarService.Shutdown();
Console.WriteLine();
Console.WriteLine("Finished. Press the Return key to exit.");
Console.ReadLine();
}
/// <summary>
/// This method adds all the data into the system
/// </summary>
/// <param name="context"></param>
/// <param name="numUsers">The number of users to add to the system</param>
/// <returns>The time taken in milliseconds that the method took to complete</returns>
public static double LoadTweetBoxContent(TweetBoxContext context, int numUsers)
{
var sw = new Stopwatch();
sw.Start();
//Add users and hashtags to the system
_allUsers = AddUsers(context, numUsers);
_allHashTags = AddHashTags(context);
Console.WriteLine(@"Saving users and hash tags");
//Save this base data to the database
context.SaveChanges();
//loop through the set of users created, and add followers and tweets to each user
foreach (var user in _allUsers)
{
AddFollowers(context, user);
AddTweets(context, user, 200);
}
Console.WriteLine(@"Saving changes");
context.SaveChanges();
sw.Stop();
return(sw.ElapsedMilliseconds);
}
/// <summary>
/// Publish tweets (each including 2 hashtags) for a user
/// </summary>
/// <param name="context"></param>
/// <param name="user">The user that is publishing the tweets</param>
/// <param name="numTweets">The number of tweets to publish</param>
public static void AddTweets(TweetBoxContext context, IUser user, int numTweets)
{
Console.WriteLine(@"Adding " + numTweets + " tweets for user '" + user.Username + "'");
//work out the interval between each tweet by taking the user's registration date and dividing by the number of tweets to publish
var ticks = DateTime.Now.Subtract(user.DateRegistered).Ticks;
var tweetGap = ticks / numTweets;
//set the initial post date to the user's registration date
var postDate = user.DateRegistered;
for (int i = 0; i < numTweets; i++)
{
//the content of the tweet
const string tweetcontent = @"Lorem ipsum dolor sit amet, consectetur adipiscing elit. In a nulla vitae nunc dictum dignissim sed ut ligula. Class aptent.";
//get 2 random hashtags to include
var htcount = _allHashTags.Count;
var hti = Random.Next(0, htcount);
var hti2 = Random.Next(0, htcount);
var hashtag = _allHashTags[hti];
var hashtag2 = _allHashTags[hti2];
//create a tweet
var tweet = context.Tweets.Create();
//set the tweet's properties
tweet.Content = tweetcontent;
tweet.HashTags.Add(hashtag);
tweet.HashTags.Add(hashtag2);
tweet.DatePublished = postDate;
tweet.Author = user;
//increase postDate for the next tweet
postDate = postDate.AddTicks(tweetGap);
}
}
private static void Main(string[] args)
{
// Initialise license and stores directory location
SamplesConfiguration.Register();
//create a unique store name
var storeName = "tweetbox_" + Guid.NewGuid().ToString();
//connection string to the BrightstarDB service
string connectionString = string.Format(@"Type=embedded;storesDirectory={0};StoreName={1};",
SamplesConfiguration.StoresDirectory,
storeName);
const int numUsers = 100;
//Load the database with users, hashtags and tweets
var context = new TweetBoxContext(connectionString);
var timetaken = LoadTweetBoxContent(context, numUsers);
const int numTweets = numUsers * 200;
Console.WriteLine("Created, persisted and indexed {0} users, {1} tweets, {2} hashtags in {3} seconds.",
numUsers, numTweets, _allHashTags.Count, (timetaken / 1000));
// Shutdown Brightstar processing threads.
BrightstarService.Shutdown();
Console.WriteLine();
Console.WriteLine("Finished. Press the Return key to exit.");
Console.ReadLine();
}
/// <summary>
/// Add a set of hashtags to the system
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public static List <IHashTag> AddHashTags(TweetBoxContext context)
{
Console.WriteLine(@"Adding 10,000 hashtags");
var hashtags = new List <IHashTag>();
for (var i = 0; i < 10000; i++)
{
//create a word
var value = Word(6);
//create a hashtag
var hashtag = context.HashTags.Create();
//set the properties
hashtag.Value = value;
//keep a track of all hashtags to return
hashtags.Add(hashtag);
}
return(hashtags);
}
/// <summary>
/// Set 150 followers for a user
/// </summary>
/// <param name="context"></param>
/// <param name="user">The user that the followers should be added to</param>
public static void AddFollowers(TweetBoxContext context, IUser user)
{
int totalNumberOfUsers = _allUsers.Count();
_numFollowing = 75;
if (totalNumberOfUsers < 75)
{
//if there are less users in the system than the amount of followers required, reduce the number to follow
_numFollowing = totalNumberOfUsers - 1;
}
Console.WriteLine("Adding relationships to followers");
for (var i = 0; i < _numFollowing; i++)
{
//get a user to follow
var rdm = Random.Next(_allUsers.Count - 1);
var userToFollow = _allUsers[rdm];
if (userToFollow.Id.Equals(user.Id))
{
continue;
}
user.Following.Add(userToFollow);
}
}
/// <summary>
/// This method adds all the data into the system
/// </summary>
/// <param name="context"></param>
/// <param name="numUsers">The number of users to add to the system</param>
/// <returns>The time taken in milliseconds that the method took to complete</returns>
public static double LoadTweetBoxContent(TweetBoxContext context, int numUsers)
{
var sw = new Stopwatch();
sw.Start();
//Add users and hashtags to the system
_allUsers = AddUsers(context, numUsers);
_allHashTags = AddHashTags(context);
Console.WriteLine(@"Saving users and hash tags");
//Save this base data to the database
context.SaveChanges();
//loop through the set of users created, and add followers and tweets to each user
foreach (var user in _allUsers)
{
AddFollowers(context, user);
AddTweets(context, user, 200);
}
Console.WriteLine(@"Saving changes");
context.SaveChanges();
sw.Stop();
return sw.ElapsedMilliseconds;
}
/// <summary>
/// Add a set of users to the system
/// </summary>
/// <param name="context"></param>
/// <param name="numUsers">The number of users to add</param>
/// <returns></returns>
public static List<IUser> AddUsers(TweetBoxContext context, int numUsers)
{
Console.WriteLine(@"Adding " + numUsers + " users");
var users = new List<IUser>();
for (var i = 0; i < numUsers; i++)
{
//create a random username
var r1 = Random.Next(0, 24);
var r2 = Random.Next(0, 24);
var r3 = Random.Next(1, 2000);
var username = Firstnames[r1] + Surnames[r2] + r3.ToString();
//create a user
var user = context.Users.Create();
//set the properties
user.Username = username;
user.Bio = Sentence(100);
user.DateRegistered = GetRandomRegistrationDate();
var sna = new SocialNetworkAccount { AccountName = Word(15), AuthorizationKey = Word(26) };
context.SocialNetworkAccounts.Add(sna);
user.SocialNetworkAccount = sna;
//keep track of all users to return
users.Add(user);
}
return users;
}
/// <summary>
/// Publish tweets (each including 2 hashtags) for a user
/// </summary>
/// <param name="context"></param>
/// <param name="user">The user that is publishing the tweets</param>
/// <param name="numTweets">The number of tweets to publish</param>
public static void AddTweets(TweetBoxContext context, IUser user, int numTweets)
{
Console.WriteLine(@"Adding " + numTweets + " tweets for user '" + user.Username + "'");
//work out the interval between each tweet by taking the user's registration date and dividing by the number of tweets to publish
var ticks = DateTime.Now.Subtract(user.DateRegistered).Ticks;
var tweetGap = ticks / numTweets;
//set the initial post date to the user's registration date
var postDate = user.DateRegistered;
for (int i = 0; i < numTweets; i++)
{
//the content of the tweet
const string tweetcontent = @"Lorem ipsum dolor sit amet, consectetur adipiscing elit. In a nulla vitae nunc dictum dignissim sed ut ligula. Class aptent.";
//get 2 random hashtags to include
var htcount = _allHashTags.Count;
var hti = Random.Next(0, htcount);
var hti2 = Random.Next(0, htcount);
var hashtag = _allHashTags[hti];
var hashtag2 = _allHashTags[hti2];
//create a tweet
var tweet = context.Tweets.Create();
//set the tweet's properties
tweet.Content = tweetcontent;
tweet.HashTags.Add(hashtag);
tweet.HashTags.Add(hashtag2);
tweet.DatePublished = postDate;
tweet.Author = user;
//increase postDate for the next tweet
postDate = postDate.AddTicks(tweetGap);
}
}
/// <summary>
/// Set 150 followers for a user
/// </summary>
/// <param name="context"></param>
/// <param name="user">The user that the followers should be added to</param>
public static void AddFollowers(TweetBoxContext context, IUser user)
{
int totalNumberOfUsers = _allUsers.Count();
_numFollowing = 75;
if (totalNumberOfUsers < 75)
{
//if there are less users in the system than the amount of followers required, reduce the number to follow
_numFollowing = totalNumberOfUsers - 1;
}
Console.WriteLine("Adding relationships to followers");
for (var i = 0; i < _numFollowing; i++)
{
//get a user to follow
var rdm = Random.Next(_allUsers.Count - 1);
var userToFollow = _allUsers[rdm];
if (userToFollow.Id.Equals(user.Id)) continue;
user.Following.Add(userToFollow);
}
}
/// <summary>
/// Add a set of hashtags to the system
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public static List<IHashTag> AddHashTags(TweetBoxContext context)
{
Console.WriteLine(@"Adding 10,000 hashtags");
var hashtags = new List<IHashTag>();
for (var i = 0; i < 10000; i++)
{
//create a word
var value = Word(6);
//create a hashtag
var hashtag = context.HashTags.Create();
//set the properties
hashtag.Value = value;
//keep a track of all hashtags to return
hashtags.Add(hashtag);
}
return hashtags;
}
