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Wip support for compressing/decompressing nucache documents on a per property basis. Option for compressing the properties in sql/nucache.db. Option for immediate/lazy decompression of properties. Mapping support for shorter property alias.

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TODO: config file for property map
TODO:  HasValue and IsValue on propertyvalueconverterbase
This commit is contained in:
nzdev
2020-07-09 00:17:31 +12:00
parent 8d96725345
commit c1c189d47f
15 changed files with 422 additions and 18 deletions
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21
src/Umbraco.Web/PublishedCache/NuCache/DataSource/SerializerBase.cs
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@@ -16,6 +16,7 @@ namespace Umbraco.Web.PublishedCache.NuCache.DataSource
private const char PrefixDouble = 'B';
private const char PrefixDateTime = 'D';
private const char PrefixByte = 'O';
private const char PrefixByteArray = 'A';
protected string ReadString(Stream stream) => PrimitiveSerializer.String.ReadFrom(stream);
protected int ReadInt(Stream stream) => PrimitiveSerializer.Int32.ReadFrom(stream);
@@ -23,6 +24,7 @@ namespace Umbraco.Web.PublishedCache.NuCache.DataSource
protected float ReadFloat(Stream stream) => PrimitiveSerializer.Float.ReadFrom(stream);
protected double ReadDouble(Stream stream) => PrimitiveSerializer.Double.ReadFrom(stream);
protected DateTime ReadDateTime(Stream stream) => PrimitiveSerializer.DateTime.ReadFrom(stream);
protected byte[] ReadByteArray(Stream stream) => PrimitiveSerializer.Bytes.ReadFrom(stream);
private T? ReadObject<T>(Stream stream, char t, Func<Stream, T> read)
where T : struct
@@ -39,7 +41,7 @@ namespace Umbraco.Web.PublishedCache.NuCache.DataSource
var type = PrimitiveSerializer.Char.ReadFrom(stream);
if (type == PrefixNull) return null;
if (type != PrefixString)
throw new NotSupportedException($"Cannot deserialize type '{type}', expected 'S'.");
throw new NotSupportedException($"Cannot deserialize type '{type}', expected '{PrefixString}'.");
return intern
? string.Intern(PrimitiveSerializer.String.ReadFrom(stream))
: PrimitiveSerializer.String.ReadFrom(stream);
@@ -51,6 +53,16 @@ namespace Umbraco.Web.PublishedCache.NuCache.DataSource
protected double? ReadDoubleObject(Stream stream) => ReadObject(stream, PrefixDouble, ReadDouble);
protected DateTime? ReadDateTimeObject(Stream stream) => ReadObject(stream, PrefixDateTime, ReadDateTime);
protected byte[] ReadByteArrayObject(Stream stream) // required 'cos byte[] is not a struct
{
var type = PrimitiveSerializer.Char.ReadFrom(stream);
if (type == PrefixNull) return null;
if (type != PrefixByteArray)
throw new NotSupportedException($"Cannot deserialize type '{type}', expected '{PrefixByteArray}'.");
return PrimitiveSerializer.Bytes.ReadFrom(stream);
}
protected object ReadObject(Stream stream)
=> ReadObject(PrimitiveSerializer.Char.ReadFrom(stream), stream);
@@ -81,6 +93,8 @@ namespace Umbraco.Web.PublishedCache.NuCache.DataSource
return PrimitiveSerializer.Double.ReadFrom(stream);
case PrefixDateTime:
return PrimitiveSerializer.DateTime.ReadFrom(stream);
case PrefixByteArray:
return PrimitiveSerializer.Bytes.ReadFrom(stream);
default:
throw new NotSupportedException($"Cannot deserialize unknown type '{type}'.");
}
@@ -137,6 +151,11 @@ namespace Umbraco.Web.PublishedCache.NuCache.DataSource
PrimitiveSerializer.Char.WriteTo(PrefixUInt32, stream);
PrimitiveSerializer.UInt32.WriteTo(uInt32Value, stream);
}
else if (value is byte[] byteArrayValue)
{
PrimitiveSerializer.Char.WriteTo(PrefixByteArray, stream);
PrimitiveSerializer.Bytes.WriteTo(byteArrayValue, stream);
}
else
throw new NotSupportedException("Value type " + value.GetType().FullName + " cannot be serialized.");
}