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Nullable

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This commit is contained in:
Ahmed Zamil
2024-11-09 01:46:00 +03:00
parent 2006c47013
commit 2dc373770c
30 changed files with 155 additions and 114 deletions
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21
Esiur/Data/Codec.cs
View File

@ -24,22 +24,18 @@ SOFTWARE.
using System;
using System.Collections.Generic;
using System.Text;
using Esiur.Misc;
using System.ComponentModel;
using Esiur.Data;
using Esiur.Core;
using Esiur.Net.IIP;
using Esiur.Resource;
using System.Linq;
using System.Reflection;
using Esiur.Resource.Template;
using System.Runtime.CompilerServices;
using System.Collections;
using System.Dynamic;
namespace Esiur.Data;
#nullable enable
public static class Codec
{
@ -122,6 +118,10 @@ public static class Codec
if (dataType == null)
{
(var longLen, dataType) = TransmissionType.Parse(data, offset, (uint)data.Length);
if (dataType == null)
throw new NullReferenceException("DataType can't be parsed.");
len = (uint)longLen;
offset = dataType.Value.Offset;
}
@ -153,8 +153,11 @@ public static class Codec
/// <returns>True, if the resource owner is the given connection, otherwise False.</returns>
public static bool IsLocalResource(IResource resource, DistributedConnection connection)
{
if (resource == null)
throw new NullReferenceException("Resource is null.");
if (resource is DistributedResource)
if ((resource as DistributedResource).DistributedResourceConnection == connection)
if (((DistributedResource)(resource)).DistributedResourceConnection == connection)
return true;
return false;
@ -270,7 +273,7 @@ public static class Codec
}
if (valueOrSource is IUserType)
valueOrSource = (valueOrSource as IUserType).Get();
valueOrSource = ((IUserType)valueOrSource).Get();
//if (valueOrSource is Func<DistributedConnection, object>)
// valueOrSource = (valueOrSource as Func<DistributedConnection, object>)(connection);
@ -366,7 +369,7 @@ public static class Codec
}
public static Type GetGenericType(Type type, Type ifaceType, int argument = 0)
public static Type? GetGenericType(Type type, Type ifaceType, int argument = 0)
{
if (ifaceType.IsAssignableFrom(type))
{

81
Esiur/Data/RepresentationType.cs
View File

@ -9,6 +9,8 @@ using System.Dynamic;
using System.Linq;
using System.Text;
#nullable enable
namespace Esiur.Data
{
public enum RepresentationTypeIdentifier
@ -83,8 +85,9 @@ namespace Esiur.Data
flags.RemoveAt(0);
}
foreach (var st in SubTypes)
st.SetNull(flags);
if (SubTypes != null)
foreach (var st in SubTypes)
st.SetNull(flags);
}
public void SetNull(byte flag)
@ -94,8 +97,9 @@ namespace Esiur.Data
Nullable = (flag == 2);
}
foreach (var st in SubTypes)
st.SetNull(flag);
if (SubTypes != null)
foreach (var st in SubTypes)
st.SetNull(flag);
}
@ -108,8 +112,9 @@ namespace Esiur.Data
flags.RemoveAt(0);
}
foreach (var st in SubTypes)
st.SetNotNull(flags);
if (SubTypes != null)
foreach (var st in SubTypes)
st.SetNotNull(flags);
}
@ -126,8 +131,9 @@ namespace Esiur.Data
Nullable = (flag != 1);
}
foreach (var st in SubTypes)
st.SetNotNull(flag);
if (SubTypes != null)
foreach (var st in SubTypes)
st.SetNotNull(flag);
}
public Type? GetRuntimeType()
@ -135,7 +141,7 @@ namespace Esiur.Data
if (Identifier == RepresentationTypeIdentifier.TypedList)
{
var sub = SubTypes[0].GetRuntimeType();
var sub = SubTypes?[0].GetRuntimeType();
if (sub == null)
return null;
@ -149,7 +155,7 @@ namespace Esiur.Data
var rt = typeof(Map<,>).MakeGenericType(subs);
return rt;
}
return Identifier switch
{
(RepresentationTypeIdentifier.Void) => typeof(void),
@ -171,9 +177,9 @@ namespace Esiur.Data
(RepresentationTypeIdentifier.DateTime) => Nullable ? typeof(DateTime?) : typeof(DateTime),
(RepresentationTypeIdentifier.Resource) => typeof(IResource),
(RepresentationTypeIdentifier.Record) => typeof(IRecord),
(RepresentationTypeIdentifier.TypedRecord) => Warehouse.GetTemplateByClassId((Guid)GUID, TemplateType.Record)?.DefinedType,
(RepresentationTypeIdentifier.TypedResource) => Warehouse.GetTemplateByClassId((Guid)GUID, TemplateType.Resource)?.DefinedType,
(RepresentationTypeIdentifier.Enum) => Warehouse.GetTemplateByClassId((Guid)GUID, TemplateType.Enum)?.DefinedType,
(RepresentationTypeIdentifier.TypedRecord) => Warehouse.GetTemplateByClassId((Guid)GUID!, TemplateType.Record)?.DefinedType,
(RepresentationTypeIdentifier.TypedResource) => Warehouse.GetTemplateByClassId((Guid)GUID!, TemplateType.Resource)?.DefinedType,
(RepresentationTypeIdentifier.Enum) => Warehouse.GetTemplateByClassId((Guid)GUID!, TemplateType.Enum)?.DefinedType,
_ => null
};
@ -186,7 +192,7 @@ namespace Esiur.Data
//public RepresentationType? SubType2; // Map
//public RepresentationType? SubType3; // No types yet
public RepresentationType?[] SubTypes = new RepresentationType[3];
public RepresentationType[]? SubTypes = null;
public RepresentationType ToNullable()
@ -194,11 +200,11 @@ namespace Esiur.Data
return new RepresentationType(Identifier, true, GUID, SubTypes);
}
public static RepresentationType? FromType(Type type)
public static RepresentationType? FromType(Type type)
{
var nullable = false;
var nullable = false;
var nullType = System.Nullable.GetUnderlyingType(type);
if (nullType != null)
@ -245,7 +251,8 @@ namespace Esiur.Data
if (subType == null) // unrecongnized type
return null;
return new RepresentationType(RepresentationTypeIdentifier.TypedList, nullable, null, subType);
return new RepresentationType(RepresentationTypeIdentifier.TypedList, nullable, null,
new RepresentationType[] { subType });
}
}
@ -266,7 +273,8 @@ namespace Esiur.Data
if (subType2 == null)
return null;
return new RepresentationType(RepresentationTypeIdentifier.TypedMap, nullable, null, subType1, subType2);
return new RepresentationType(RepresentationTypeIdentifier.TypedMap, nullable, null,
new RepresentationType[] { subType1, subType2 });
}
}
//else if (genericType == typeof(AsyncReply<>))
@ -285,9 +293,10 @@ namespace Esiur.Data
var subTypes = new RepresentationType[args.Length];
for (var i = 0; i < args.Length; i++)
{
subTypes[i] = FromType(args[i]);
if (subTypes[i] == null)
var t = FromType(args[i]);
if (t == null)
return null;
subTypes[i] = t;
}
return new RepresentationType(RepresentationTypeIdentifier.Tuple2, nullable, null, subTypes);
@ -298,9 +307,10 @@ namespace Esiur.Data
var subTypes = new RepresentationType[args.Length];
for (var i = 0; i < args.Length; i++)
{
subTypes[i] = FromType(args[i]);
if (subTypes[i] == null)
var t = FromType(args[i]);
if (t == null)
return null;
subTypes[i] = t;
}
return new RepresentationType(RepresentationTypeIdentifier.Tuple3, nullable, null, subTypes);
@ -312,9 +322,10 @@ namespace Esiur.Data
var subTypes = new RepresentationType[args.Length];
for (var i = 0; i < args.Length; i++)
{
subTypes[i] = FromType(args[i]);
if (subTypes[i] == null)
var t = FromType(args[i]);
if (t == null)
return null;
subTypes[i] = t;
}
return new RepresentationType(RepresentationTypeIdentifier.Tuple4, nullable, null, subTypes);
@ -325,9 +336,10 @@ namespace Esiur.Data
var subTypes = new RepresentationType[args.Length];
for (var i = 0; i < args.Length; i++)
{
subTypes[i] = FromType(args[i]);
if (subTypes[i] == null)
var t = FromType(args[i]);
if (t == null)
return null;
subTypes[i] = t;
}
return new RepresentationType(RepresentationTypeIdentifier.Tuple5, nullable, null, subTypes);
@ -338,9 +350,10 @@ namespace Esiur.Data
var subTypes = new RepresentationType[args.Length];
for (var i = 0; i < args.Length; i++)
{
subTypes[i] = FromType(args[i]);
if (subTypes[i] == null)
var t = FromType(args[i]);
if (t == null)
return null;
subTypes[i] = t;
}
return new RepresentationType(RepresentationTypeIdentifier.Tuple6, nullable, null, subTypes);
@ -351,9 +364,10 @@ namespace Esiur.Data
var subTypes = new RepresentationType[args.Length];
for (var i = 0; i < args.Length; i++)
{
subTypes[i] = FromType(args[i]);
if (subTypes[i] == null)
var t = FromType(args[i]);
if (t == null)
return null;
subTypes[i] = t;
}
return new RepresentationType(RepresentationTypeIdentifier.Tuple7, nullable, null, subTypes);
@ -373,7 +387,8 @@ namespace Esiur.Data
if (subType == null)
return null;
return new RepresentationType(RepresentationTypeIdentifier.TypedList, nullable, null, subType);
return new RepresentationType(RepresentationTypeIdentifier.TypedList, nullable, null,
new RepresentationType[] { subType });
}
}
@ -410,7 +425,7 @@ namespace Esiur.Data
}
public RepresentationType(RepresentationTypeIdentifier identifier, bool nullable, Guid? guid = null, params RepresentationType[] subTypes)
public RepresentationType(RepresentationTypeIdentifier identifier, bool nullable, Guid? guid = null, RepresentationType[]? subTypes = null)
{
Nullable = nullable;
Identifier = identifier;