public bool TryGet(string key, RealmObjectBase.Metadata metadata, Realm realm, out RealmValue value)
{
RealmValue keyValue = key;
var(primitiveKey, keyHandles) = keyValue.ToNative();
var containsValue = NativeMethods.try_get_value(this, primitiveKey, out var result, out var nativeException);
keyHandles?.Dispose();
nativeException.ThrowIfNecessary();
if (!containsValue)
{
value = default;
return(false);
}
if (result.Type != RealmValueType.Object)
{
value = new RealmValue(result);
}
else
{
var objectHandle = result.AsObject(Root);
if (metadata == null)
{
throw new NotImplementedException("Mixed objects are not supported yet.");
}
value = new RealmValue(realm.MakeObject(metadata, objectHandle));
}
return(true);
}
protected void SetValue(string propertyName, RealmValue val)
{
Debug.Assert(IsManaged, "Object is not managed, but managed access was attempted");
var propertyIndex = _metadata.PropertyIndices[propertyName];
_objectHandle.SetValue(propertyIndex, val, _realm);
}
public KeyValuePair <string, TValue> GetValueAtIndex <TValue>(int index, Realm realm)
{
NativeMethods.get_at_index(this, (IntPtr)index, out var key, out var primitiveValue, out var ex);
ex.ThrowIfNecessary();
var value = new RealmValue(primitiveValue, realm);
return(new KeyValuePair <string, TValue>(key.AsString(), value.As <TValue>()));
}
public bool TryGet(string key, Realm realm, out RealmValue value)
{
RealmValue keyValue = key;
var(primitiveKey, keyHandles) = keyValue.ToNative();
var containsValue = NativeMethods.try_get_value(this, primitiveKey, out var result, out var nativeException);
keyHandles?.Dispose();
nativeException.ThrowIfNecessary();
if (!containsValue)
{
value = default;
return(false);
}
value = new RealmValue(result, realm);
return(true);
}
public unsafe ObjectHandle CreateObjectWithPrimaryKey(Property pkProperty, object primaryKey, TableKey tableKey, string parentType, bool update, out bool isNew)
{
if (primaryKey == null && !pkProperty.Type.IsNullable())
{
throw new ArgumentException($"{parentType}'s primary key is defined as non-nullable, but the value passed is null");
}
RealmValue pkValue = pkProperty.Type.ToRealmValueType() switch
{
RealmValueType.String => (string)primaryKey,
RealmValueType.Int => primaryKey == null ? (long?)null : Convert.ToInt64(primaryKey),
RealmValueType.ObjectId => (ObjectId?)primaryKey,
RealmValueType.Guid => (Guid?)primaryKey,
_ => throw new NotSupportedException($"Primary key of type {pkProperty.Type} is not supported"),
};
var(primitiveValue, handles) = pkValue.ToNative();
var result = NativeMethods.create_object_unique(this, tableKey, primitiveValue, update, out isNew, out var ex);
handles?.Dispose();
ex.ThrowIfNecessary();
return(new ObjectHandle(this, result));
}
protected void SetValueUnique(string propertyName, RealmValue value)
{
LogCall($"{nameof(propertyName)} = \"{propertyName}\", {nameof(value)} = {value}");
}
