/// <summary>
/// This method asynchronously saves a POCO to Redis stored as a JSON string using a
/// <code>RedisKey</code> attribute at the class level
/// </summary>
/// <param name="redisValue"></param>
/// <typeparam name="TValue"></typeparam>
/// <returns></returns>
public async Task SetAsync <TValue>(TValue redisValue)
{
// Define our previous database index
int?previousDatabase = null;
// Load the value's type
Type type = typeof(TValue);
// Localize the database attribute
RedisDatabaseAttribute databaseAttribute =
(type.GetCustomAttributes(typeof(RedisDatabaseAttribute), true).FirstOrDefault() as RedisDatabaseAttribute);
// Localize the key attribute
RedisKeyAttribute keyAttribute =
(type.GetCustomAttributes(typeof(RedisKeyAttribute), true).FirstOrDefault() as RedisKeyAttribute);
// Check for a database attribute
if (databaseAttribute != null && databaseAttribute.Database >= 0)
{
// Set the previous database
previousDatabase = DatabaseIndex;
// Set the database index into the instance
DatabaseIndex = databaseAttribute.Database;
}
// Make sure we have a key attribute
if (keyAttribute == null)
{
throw new System.Exception($"{typeof(TValue).Name} Does Not Contain a RedisKey Attribute");
}
// Set the value into redis
await SetAsync(keyAttribute.Name, redisValue);
// Check to see if we stored the previous database and reset it into the instance
if (previousDatabase.HasValue)
{
DatabaseIndex = previousDatabase.Value;
}
}
/// <summary>
/// This method loads a POCO from Redis stored as a JSON string using a
/// <code>RedisKey</code> attribute at the class level
/// </summary>
/// <typeparam name="TValue"></typeparam>
/// <returns></returns>
public TValue Get <TValue>()
{
// Define our previous database index
int?previousDatabase = null;
// Load the value's type
Type type = typeof(TValue);
// Localize the database attribute
RedisDatabaseAttribute databaseAttribute =
(type.GetCustomAttributes(typeof(RedisDatabaseAttribute), true).FirstOrDefault() as RedisDatabaseAttribute);
// Localize the key attribute
RedisKeyAttribute keyAttribute =
(type.GetCustomAttributes(typeof(RedisKeyAttribute), true).FirstOrDefault() as RedisKeyAttribute);
// Check for a database attribute
if (databaseAttribute != null && databaseAttribute.Database >= 0)
{
// Set the previous database
previousDatabase = DatabaseIndex;
// Set the database index into the instance
DatabaseIndex = databaseAttribute.Database;
}
// Make sure we have a key attribute
if (keyAttribute == null)
{
throw new Exception($"{typeof(TValue).Name} Does Not Contain a RedisKey Attribute");
}
// Load the value from Redis
TValue value = Get <TValue>(keyAttribute.Name, keyAttribute.AllowEmpty);
// Check to see if we stored the previous database and reset it into the instance
if (previousDatabase.HasValue)
{
DatabaseIndex = previousDatabase.Value;
}
// We're done, return the value
return(value);
}
