/// <summary>
/// Gets the redis key for the specified entity based upon the redis entity mappings.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="entity"></param>
/// <returns></returns>
public static string GetKey <T>(T entity = null) where T : class
{
// Make sure the mappings have been loaded for this type.
RedisEntityMapping mapping = LoadMapping(typeof(T));
// Start with the primary key.
StringBuilder key = new StringBuilder(mapping.PrimaryKey);
// Append a secondary key if there is one.
if (!String.IsNullOrWhiteSpace(mapping.SecondaryKey))
{
key.Append(":").Append(mapping.SecondaryKey);
}
// Append the value of each key property.
if (entity != null)
{
foreach (RedisKeyMapping keyProperty in mapping.KeyProperties.OrderBy(k => k.Order))
{
key.Append(":").Append(keyProperty.PropertyInfo.GetValue(entity).ToString());
}
}
return(key.ToString());
}
/// <summary>
/// Loads all of the entities of a specified type.
/// </summary>
/// <typeparam name="ENTITY"></typeparam>
/// <param name="client"></param>
/// <returns></returns>
public static List <ENTITY> GetAll <ENTITY>(IRedisClient <string> client) where ENTITY : class
{
// Make sure the mappings have been loaded for this type.
RedisEntityMapping mapping = LoadMapping(typeof(ENTITY));
List <ENTITY> list = new List <ENTITY>();
foreach (KeyValuePair <string, string> item in client.HGetAll(GetKey <ENTITY>()))
{
list.Add(JsonSerializer.DeserializeObject(item.Value, typeof(ENTITY)) as ENTITY);
}
return(list);
}
/// <summary>
/// Inserts an entity into Redis.
/// </summary>
/// <typeparam name="ENTITY"></typeparam>
/// <param name="entity"></param>
/// <returns></returns>
public static ENTITY Insert <ENTITY>(IRedisClient <string> client, ENTITY entity) where ENTITY : class
{
// Make sure the mappings have been loaded for this type.
RedisEntityMapping mapping = LoadMapping(typeof(ENTITY));
// If the field property is a sequence, get the next sequence value.
if (mapping.FieldProperty != null && mapping.FieldProperty.IsSequence)
{
mapping.FieldProperty.PropertyInfo.SetValue(entity, (int)client.Incr(String.Format("seq:{0}", typeof(ENTITY).Name)));
}
// Set the value in redis.
client.HSet(GetKey(entity), GetField(entity), JsonSerializer.SerializeObject(entity));
return(entity);
}
