/// <summary>
/// Initializes a new instance of the <see cref="DataLogService" /> class.
/// </summary>
/// <param name="dataLogConnectionString">The <see cref="DataLogConnectionString" /> used to connect to the database.</param>
/// <exception cref="ArgumentNullException"><paramref name="dataLogConnectionString" /> is null.</exception>
public DataLogService(DataLogConnectionString dataLogConnectionString)
{
_dataLogConnectionString = dataLogConnectionString ?? throw new ArgumentNullException(nameof(dataLogConnectionString));
_writer = new DataLogDatabaseWriter(dataLogConnectionString);
_cleanup = new DataLogCleanup(dataLogConnectionString);
_cacheCheckTimer = new Timer(RetryCacheEntries, null, Timeout.Infinite, Timeout.Infinite);
_cleanupCheckTimer = new Timer(DeleteExpiredSessions, null, _cleanupCheckFrequency, _cleanupCheckFrequency);
}
/// <summary>
/// Initializes a new instance of the <see cref="DataLogService" /> class.
/// </summary>
/// <param name="dataLogConnectionString">The <see cref="DataLogConnectionString" /> used to connect to the database.</param>
/// <param name="alternateConnectionString">A <see cref="DataLogConnectionString" /> used to connect to an alternate database if the primary operation fails.</param>
/// <exception cref="ArgumentNullException">
/// <paramref name="dataLogConnectionString" /> is null.
/// <para>or</para>
/// <paramref name="alternateConnectionString" /> is null.
/// </exception>
public DataLogService(DataLogConnectionString dataLogConnectionString, DataLogConnectionString alternateConnectionString)
: this(dataLogConnectionString)
{
_alternateWriter = new DataLogDatabaseWriter(alternateConnectionString);
}
/// <summary>
/// Initializes a new instance of the <see cref="DataLogCache" /> class.
/// </summary>
/// <param name="cacheLocation">The directory location to store cache files.</param>
/// <param name="databaseWriter">The <see cref="DataLogDatabaseWriter" />.</param>
/// <param name="alternateWriter">The alternate <see cref="DataLogDatabaseWriter" />.</param>
/// <exception cref="ArgumentNullException">
/// <paramref name="cacheLocation" /> is null.
/// <para>or</para>
/// <paramref name="databaseWriter" /> is null.
/// <para>or</para>
/// <paramref name="alternateWriter" /> is null.
/// </exception>
public DataLogCache(DirectoryInfo cacheLocation, DataLogDatabaseWriter databaseWriter, DataLogDatabaseWriter alternateWriter)
: this(cacheLocation, databaseWriter)
{
_alternateWriter = alternateWriter ?? throw new ArgumentNullException(nameof(alternateWriter));
}
/// <summary>
/// Initializes a new instance of the <see cref="DataLogCache" /> class.
/// </summary>
/// <param name="cacheLocation">The directory location to store cache files.</param>
/// <param name="databaseWriter">The <see cref="DataLogDatabaseWriter" />.</param>
/// <exception cref="ArgumentNullException">
/// <paramref name="cacheLocation" /> is null.
/// <para>or</para>
/// <paramref name="databaseWriter" /> is null.
/// </exception>
public DataLogCache(DirectoryInfo cacheLocation, DataLogDatabaseWriter databaseWriter)
{
_cacheLocation = cacheLocation ?? throw new ArgumentNullException(nameof(cacheLocation));
_databaseWriter = databaseWriter ?? throw new ArgumentNullException(nameof(databaseWriter));
_serializer = new DataContractSerializer(typeof(DataLogCacheData));
}