protected void _addTrackedKey(String key, TimeSpan?slidingExpiration = null)
{
if (slidingExpiration != null)
{
long expiresUtc = RedisDataFormatUtil.ToUnixTimestamp(DateTime.UtcNow.Add(slidingExpiration.Value));
_client.SortedSetAdd(Model.CreateKey(Constants.RootKey, RedisCache.Constants.EphemeralKeysKey), expiresUtc, key);
}
else
{
_client.SetAdd(Model.CreateKey(Constants.RootKey, RedisCache.Constants.KeysKey), key);
}
}
public Boolean ExpireAt(String key, DateTime time)
{
if (key == null)
{
throw new ArgumentNullException("key");
}
var unixTimestamp = RedisDataFormatUtil.ToUnixTimestamp(time);
_connection.Send(cmd.EXPIREAT, key, unixTimestamp);
return(_connection.ReadReply().IsSuccess);
}
public void UpdateSerializedObjectValue <T, F>(T instance, Expression <Func <T, F> > expression, F value)
{
if (value == null)
{
throw new ArgumentException("Cannot be null.", "value");
}
var prefix = Model.GetKey(instance);
var memberKey = Model.GetKeyForMemberExpression(expression.Body as MemberExpression);
var key = Model.CreateKey(prefix, memberKey);
Set(key, RedisDataFormatUtil.FormatForStorage(value));
}
public void SerializeObject(Object instance, String keyPrefix = null, TimeSpan?slidingExpiration = null)
{
var type = instance.GetType();
var instanceKey = Model.GetKey(instance);
var fullPrefix = instanceKey;
if (!String.IsNullOrEmpty(keyPrefix))
{
fullPrefix = Model.CreateKey(keyPrefix, instanceKey);
}
var members = new Dictionary <Member, Object>();
ReflectionUtil.MapToDictionary(instance, members);
foreach (var member in members)
{
var fullKey = Model.CreateKey(fullPrefix, member.Key.FullyQualifiedName);
var value = member.Value;
if (member.Key.IsBinarySerialized)
{
BinarySerializeObject(fullKey, value);
ExpireByTimespan(fullKey, slidingExpiration);
}
else
{
if (value != null)
{
Set(fullKey, RedisDataFormatUtil.FormatForStorage(value));
ExpireByTimespan(fullKey, slidingExpiration);
}
}
}
}
protected void _purgeExpiredKeysAsync()
{
Task.Factory.StartNew(() =>
{
try
{
using (var rc = new RedisClient(_client.AsRedisHostInfo()))
{
rc.SortedSetRemoveRangeByScore(Model.CreateKey(Constants.RootKey, Constants.EphemeralKeysKey), 0, RedisDataFormatUtil.ToUnixTimestamp(DateTime.UtcNow));
}
}
catch { }
});
}
protected void _purgeExpiredKeys()
{
_client.SortedSetRemoveRangeByScore(Model.CreateKey(Constants.RootKey, Constants.EphemeralKeysKey), 0, RedisDataFormatUtil.ToUnixTimestamp(DateTime.UtcNow));
}
