protected virtual object ResolveOutput(RedisKvCacheItem item, Type targetType)
{
if (targetType.IsArray)
{
foreach (var t in targetType.GetInterfaces())
{
if (t == typeof(ICollection <byte>))
{
return(TypeConversionUtil.ConvertValueIfNecessary(targetType, item.ValueBytes.FromBase64()));
}
}
return(JsonUtil.Deserialize(item.ValueBytes.ToUtf8String(), targetType));
}
if (targetType == TYPE_STRING || targetType.IsPrimitive)
{
return(TypeConversionUtil.ConvertValueIfNecessary(targetType, Encoding.UTF8.GetString(item.ValueBytes)));
}
if (targetType.IsGenericType && targetType.GetGenericTypeDefinition() == typeof(Nullable <>) && Nullable.GetUnderlyingType(targetType).IsPrimitive)
{
return(TypeConversionUtil.ConvertValueIfNecessary(targetType, Encoding.UTF8.GetString(item.ValueBytes)));
}
if (targetType == typeof(DateTime) || targetType == typeof(DateTime?))
{
return(TypeConversionUtil.ConvertValueIfNecessary(targetType, Encoding.UTF8.GetString(item.ValueBytes)));
}
return(JsonUtil.Deserialize(Encoding.UTF8.GetString(item.ValueBytes), targetType));
}
public bool Replace(object shardObject, string key, object value, int ttl)
{
AssertUtil.ArgumentNotEmpty(key, nameof(key));
AssertUtil.ArgumentNotNull(value, nameof(value));
if (ttl <= 0)
{
throw new ArgumentException($"Expire time must be > 0.");
}
var item = new RedisKvCacheItem()
{
Key = ResolveKey(key)
};
ResolveInput(item, value);
if (item.StringValue == null)
{
throw new ArgumentException($"Argument '{value}' cannot be empty.");
}
using (var client = GetRedisClient(shardObject, true))
{
return(client.Replace(item.Key, item.StringValue, ttl));
}
}
public RedisKvCacheItem Get(string key)
{
ThrowIfObjectDisposed();
ThrowIfNotConnected();
try
{
SendCommand("GET", key);
var response = ReadResponse();
if (response.Error != null)
{
throw new Exception(response.Error);
}
var kvItem = new RedisKvCacheItem();
kvItem.Key = key;
kvItem.ValueBytes = (byte[])response.Value;
return(kvItem);
}
catch (SocketException ex)
{
m_pClient.Dispose();
throw ex;
}
catch (IOException ex)
{
m_pClient.Dispose();
throw ex;
}
}
public object Get(object shardObject, string key, Type objectType)
{
AssertUtil.ArgumentNotEmpty(key, nameof(key));
RedisKvCacheItem item = null;
using (var client = GetRedisClient(shardObject, false))
{
item = client.Get(ResolveKey(key));
}
if (item == null)
{
throw new KeyNotFoundException();
}
return(ResolveOutput(item, objectType));
}
protected virtual void ResolveInput(RedisKvCacheItem item, object value)
{
if (value is string || value.GetType().IsPrimitive)
{
item.StringValue = value.ToString();
}
else if (value is DateTime || value is DateTime?)
{
item.StringValue = ((DateTime)value).ToString("yyyy-MM-ddTHH:mm:ss.fffzzz");
}
else if (value is ICollection <byte> )
{
item.StringValue = (value as ICollection <byte>).ToArray().ToBase64();
}
else
{
item.StringValue = JsonUtil.Serialize(value);
}
}
public RedisKvCacheItem[] Get(string[] keys)
{
ThrowIfObjectDisposed();
ThrowIfNotConnected();
try
{
var args = new List <string>(keys.Length + 1);
args.Add("MGET");
args.AddRange(keys);
SendCommand(args.ToArray());
var response = ReadResponse();
if (response.Error != null)
{
throw new Exception(response.Error);
}
var values = (object[])response.Value;
var list = new List <RedisKvCacheItem>();
for (int i = 0; i < keys.Length; i++)
{
var kvItem = new RedisKvCacheItem();
kvItem.Key = keys[i];
kvItem.ValueBytes = (byte[])values[i];
list.Add(kvItem);
}
return(list.ToArray());
}
catch (SocketException ex)
{
m_pClient.Dispose();
throw ex;
}
catch (IOException ex)
{
m_pClient.Dispose();
throw ex;
}
}
