/// <summary>
/// Puts the result to cache.
/// </summary>
private void PutResultToCache(DbCacheKey key, object result, DbQueryInfo queryInfo)
{
var expiration = _commandInfo.Policy != null
? _commandInfo.Policy.GetExpirationTimeout(queryInfo)
: TimeSpan.MaxValue;
_commandInfo.Cache.PutItem(key, result, expiration);
}
/// <summary>
/// Puts the item to cache.
/// </summary>
public void PutItem(DbCacheKey key, object value, TimeSpan absoluteExpiration)
{
using (var stream = new MemoryStream())
{
new BinaryFormatter().Serialize(stream, value);
var valueBytes = stream.ToArray();
var cache = GetCacheWithExpiry(absoluteExpiration);
((ICacheInternal)cache).DoOutInOpExtension <object>(ExtensionId, OpPutItem, w =>
{
WriteKey(key, w, true);
w.WriteByteArray(valueBytes);
}, null);
}
}
/// <summary>
/// Gets the item from cache.
/// </summary>
public bool GetItem(DbCacheKey key, out object value)
{
var valueBytes = ((ICacheInternal)_cache).DoOutInOpExtension(ExtensionId, OpGetItem,
w => WriteKey(key, w, false), r => r.ReadObject <byte[]>());
if (valueBytes == null)
{
value = null;
return(false);
}
using (var ms = new MemoryStream(valueBytes))
{
value = new BinaryFormatter().Deserialize(ms);
}
return(true);
}
/// <summary>
/// Writes the key.
/// </summary>
private static void WriteKey(DbCacheKey key, IBinaryRawWriter writer, bool includeNames)
{
writer.WriteString(key.Key);
if (key.EntitySetVersions != null)
{
writer.WriteInt(key.EntitySetVersions.Count);
// Versions should be in the same order, so we can't iterate over the dictionary.
foreach (var entitySet in key.EntitySets)
{
writer.WriteLong(key.EntitySetVersions[entitySet.Name]);
if (includeNames)
{
writer.WriteString(entitySet.Name);
}
}
}
else
{
writer.WriteInt(-1);
}
}
/// <summary>
/// Writes the key.
/// </summary>
private static void WriteKey(DbCacheKey key, IBinaryRawWriter writer, bool includeNames)
{
writer.WriteString(key.Key);
if (key.EntitySetVersions != null)
{
writer.WriteInt(key.EntitySetVersions.Count);
// Versions should be in the same order, so we can't iterate over the dictionary.
foreach (var entitySet in key.EntitySets)
{
writer.WriteLong(key.EntitySetVersions[entitySet.Name]);
if (includeNames)
writer.WriteString(entitySet.Name);
}
}
else
{
writer.WriteInt(-1);
}
}
/// <summary>
/// Puts the item to cache.
/// </summary>
public void PutItem(DbCacheKey key, object value, TimeSpan absoluteExpiration)
{
using (var stream = new MemoryStream())
{
new BinaryFormatter().Serialize(stream, value);
var valueBytes = stream.ToArray();
var cache = GetCacheWithExpiry(absoluteExpiration);
((ICacheInternal)cache).DoOutInOpExtension<object>(ExtensionId, OpPutItem, w =>
{
WriteKey(key, w, true);
w.WriteByteArray(valueBytes);
}, null);
}
}
/// <summary>
/// Gets the item from cache.
/// </summary>
public bool GetItem(DbCacheKey key, out object value)
{
var valueBytes = ((ICacheInternal) _cache).DoOutInOpExtension(ExtensionId, OpGetItem,
w => WriteKey(key, w, false), r => r.ReadObject<byte[]>());
if (valueBytes == null)
{
value = null;
return false;
}
using (var ms = new MemoryStream(valueBytes))
{
value = new BinaryFormatter().Deserialize(ms);
}
return true;
}
/// <summary>
/// Puts the result to cache.
/// </summary>
private void PutResultToCache(DbCacheKey key, object result, DbQueryInfo queryInfo)
{
var expiration = _commandInfo.Policy != null
? _commandInfo.Policy.GetExpirationTimeout(queryInfo)
: TimeSpan.MaxValue;
_commandInfo.Cache.PutItem(key, result, expiration);
}
