/// <summary>
/// Add an event to the store.
/// </summary>
/// <returns><c>true</c>, if event was put, <c>false</c> otherwise.</returns>
public void PutEvent(string eventString, string appId)
{
bool proceedToInsert = false;
long currentDatabaseSize = DatabaseSize;
if (string.IsNullOrEmpty(appId))
{
throw new ArgumentNullException("AppId");
}
if (currentDatabaseSize >= _maConfig.MaxDBSize)
{
proceedToInsert = false;
InvalidOperationException e = new InvalidOperationException();
_logger.Error(e, "The database size has exceeded the threshold limit. Unable to insert any new events");
}
else if ((double)currentDatabaseSize / (double)_maConfig.MaxDBSize >= _maConfig.DBWarningThreshold)
{
proceedToInsert = true;
_logger.InfoFormat("The database size is almost full");
}
else
{
proceedToInsert = true;
}
//keep the lock as short as possible
if (proceedToInsert)
{
lock (_lock)
{
try
{
if (!keepOnlyOneConnection || connection == null)
{
connection = new FileConnection("URI=file:" + this.DBfileFullPath);
connection.Open();
}
var eventRow = connection.Tables[TABLE_NAME].NewRow();
eventRow[EVENT_COLUMN_NAME] = eventString;
eventRow[EVENT_ID_COLUMN_NAME] = Guid.NewGuid().ToString();
eventRow[MA_APP_ID_COLUMN_NAME] = appId;
connection.Tables[TABLE_NAME].Rows.Add(eventRow);
connection.Sql.AcceptChanges();
}
finally
{
if (!keepOnlyOneConnection && connection != null)
{
connection.Save();
connection.Dispose();
}
}
}
}
}
/// <summary>
/// Sends Mobile Analytics events to server on coroutine.
/// </summary>
private IEnumerator DoWork()
{
while (!_shouldStop)
{
try
{
_logger.InfoFormat("Mobile Analytics Manager is trying to deliver events in background thread.");
IDictionary <string, MobileAnalyticsManager> instanceDictionary = MobileAnalyticsManager.CopyOfInstanceDictionary;
foreach (string appId in instanceDictionary.Keys)
{
MobileAnalyticsManager manager = null;
try
{
manager = MobileAnalyticsManager.GetInstance(appId);
manager.BackgroundDeliveryClient.AttemptDelivery();
}
catch (System.Exception e)
{
_logger.Error(e, "An exception occurred in Mobile Analytics Delivery Client : {0}", e.ToString());
if (null != manager)
{
MobileAnalyticsErrorEventArgs eventArgs = new MobileAnalyticsErrorEventArgs(this.GetType().Name, "An exception occurred when deliverying events to Amazon Mobile Analytics.", e, new List <Amazon.MobileAnalytics.Model.Event>());
manager.OnRaiseErrorEvent(eventArgs);
}
}
}
}
catch (System.Exception e)
{
_logger.Error(e, "An exception occurred in Mobile Analytics Manager.");
}
yield return(new WaitForSeconds(BackgroundSubmissionWaitTime));
}
}
public static void SafeExecute(Action action)
{
try
{
action();
}
catch (Exception exception)
{
// Catch any unhandled exceptions from the user callback
// and log it.
_logger.Error(exception,
"An unhandled exception was thrown from the callback method {0}.",
action.Method.Name);
}
}
