/// <summary>
/// Gets the object from Json properties.
/// </summary>
/// <param name="reader">The <see cref="T: Newtonsoft.Json.JsonReader" /> to read from.</param>
/// <returns>The object Value.</returns>
internal static PartitionInformation GetFromJsonProperties(JsonReader reader)
{
PartitionInformation obj = null;
var propName = reader.ReadPropertyName();
if (!propName.Equals("ServicePartitionKind", StringComparison.Ordinal))
{
throw new JsonReaderException($"Incorrect discriminator property name {propName}, Expected discriminator property name is ServicePartitionKind.");
}
var propValue = reader.ReadValueAsString();
if (propValue.Equals("Int64Range", StringComparison.Ordinal))
{
obj = Int64RangePartitionInformationConverter.GetFromJsonProperties(reader);
}
else if (propValue.Equals("Named", StringComparison.Ordinal))
{
obj = NamedPartitionInformationConverter.GetFromJsonProperties(reader);
}
else if (propValue.Equals("Singleton", StringComparison.Ordinal))
{
obj = SingletonPartitionInformationConverter.GetFromJsonProperties(reader);
}
else
{
throw new InvalidOperationException("Unknown ServicePartitionKind.");
}
return(obj);
}
private void QueryPartition(XmlElement pathNode, IOSVolumeDeviceInfo vinfo, SafeHandle hDevice)
{
PartitionInformation partInfo = QueryApi(pathNode, "PartitionInformation", vinfo, () => {
return(vinfo.GetPartitionInfo(hDevice));
}, out XmlElement partNode);
if (partInfo == null)
{
return;
}
WriteApiResult(partNode, "Style", (int)partInfo.Style);
WriteApiResult(partNode, "Number", partInfo.Number);
WriteApiResult(partNode, "Offset", partInfo.Offset);
WriteApiResult(partNode, "Length", partInfo.Length);
switch (partInfo.Style)
{
case PartitionStyle.MasterBootRecord:
MbrPartition mbrInfo = (MbrPartition)partInfo;
WriteApiResult(partNode, "MbrType", mbrInfo.Type);
WriteApiResult(partNode, "MbrBootable", mbrInfo.Bootable);
WriteApiResult(partNode, "MbrOffset", mbrInfo.HiddenSectors);
break;
case PartitionStyle.GuidPartitionTable:
GptPartition gptInfo = (GptPartition)partInfo;
WriteApiResult(partNode, "GptAttributes", (long)gptInfo.Attributes);
WriteApiResult(partNode, "GptId", gptInfo.Id.ToString());
WriteApiResult(partNode, "GptType", gptInfo.Type.ToString());
WriteApiResult(partNode, "GptName", gptInfo.Name);
break;
}
}
private PartitionInformation GetBackupServicePartitionInformationFromServicePartitionInformation(ServicePartitionInformation servicePartitionInformation)
{
PartitionInformation backupServicePartitionInformation = null;
switch (servicePartitionInformation.Kind)
{
case ServicePartitionKind.Singleton:
backupServicePartitionInformation = new SingletonPartitionInformation();
break;
case ServicePartitionKind.Int64Range:
var int64RangePartitionInformation = servicePartitionInformation as Fabric.Int64RangePartitionInformation;
ThrowIf.Null(int64RangePartitionInformation, "int64RangePartitionInformation");
backupServicePartitionInformation = new Int64RangePartitionInformation()
{
HighKey = int64RangePartitionInformation.HighKey,
LowKey = int64RangePartitionInformation.LowKey
};
break;
case ServicePartitionKind.Named:
var namedPartitionInformation = servicePartitionInformation as Fabric.NamedPartitionInformation;
ThrowIf.Null(namedPartitionInformation, "namedPartitionInformation");
backupServicePartitionInformation = new NamedPartitionInformation()
{
Name = namedPartitionInformation.Name
};
break;
default:
throw new ArgumentOutOfRangeException();
}
return(backupServicePartitionInformation);
}
/// <summary>
/// Overloaded ToString function for formatting the output on the console.
/// </summary>
/// <param name="partitionInformation"> Object of type PartitionInformation </param>
/// <returns>
/// Returns formatted string.
/// </returns>
public static string ToString(PartitionInformation partitionInformation)
{
var strBuilder = new StringBuilder();
strBuilder.Append(string.Format(CultureInfo.CurrentCulture, "{0} : {1}", "PartitionId", partitionInformation.Id.ToString()));
strBuilder.Append(Environment.NewLine);
strBuilder.Append(string.Format(CultureInfo.CurrentCulture, "{0} : {1}", "PartitionKind", partitionInformation.ServicePartitionKind));
strBuilder.Append(Environment.NewLine);
return(strBuilder.ToString());
}
/// <summary>
/// Serializes the object to JSON.
/// </summary>
/// <param name="writer">The <see cref="T: Newtonsoft.Json.JsonWriter" /> to write to.</param>
/// <param name="obj">The object to serialize to JSON.</param>
internal static void Serialize(JsonWriter writer, PartitionInformation obj)
{
var kind = obj.ServicePartitionKind;
if (kind.Equals(ServicePartitionKind.Int64Range))
{
Int64RangePartitionInformationConverter.Serialize(writer, (Int64RangePartitionInformation)obj);
}
else if (kind.Equals(ServicePartitionKind.Named))
{
NamedPartitionInformationConverter.Serialize(writer, (NamedPartitionInformation)obj);
}
else if (kind.Equals(ServicePartitionKind.Singleton))
{
SingletonPartitionInformationConverter.Serialize(writer, (SingletonPartitionInformation)obj);
}
else
{
throw new InvalidOperationException("Unknown ServicePartitionKind.");
}
}
public static byte[] ConvertPartitionInformation(byte[] originalSignature, MailboxSignatureFlags originalSignatureFlags, PartitionInformation partitionInformation)
{
MailboxSignatureSectionsContainer mailboxSignatureSectionsContainer;
if (originalSignatureFlags == MailboxSignatureFlags.GetLegacy)
{
mailboxSignatureSectionsContainer = MailboxSignatureSectionsContainer.Create(MailboxSignatureSectionType.BasicInformation, new MailboxSignatureConverter.MailboxBasicInformationSectionCreator(originalSignature));
}
else
{
mailboxSignatureSectionsContainer = MailboxSignatureSectionsContainer.Parse(originalSignature, NullMailboxSignatureSectionProcessor.Instance);
}
int num = partitionInformation.Serialize(null, 0);
byte[] array = new byte[num];
partitionInformation.Serialize(array, 0);
mailboxSignatureSectionsContainer.UpdateSection(new MailboxSignatureSectionMetadata(MailboxSignatureSectionType.PartitionInformation, 1, 1, array.Length), array);
return(mailboxSignatureSectionsContainer.Serialize());
}
private List <AddRangePartitionRequest> CheckForNeededPartitions(InsertRequest request, PartitionInformation currentPartitions)
{
var type = request.Items.First().GetType();
var rangePartitionAttribute = Attribute
.GetCustomAttributes(type, typeof(RangePartitionAttribute))
.Cast <RangePartitionAttribute>()
.FirstOrDefault();
if (rangePartitionAttribute == null)
{
return(new List <AddRangePartitionRequest>());
}
var rangeProperty = type
.GetProperties()
.FirstOrDefault(property =>
{
var columnNameAttribute = Attribute
.GetCustomAttributes(property, typeof(ColumnNameAttribute))
.Cast <ColumnNameAttribute>()
.FirstOrDefault();
if (columnNameAttribute != null)
{
return(columnNameAttribute.Name.ToLower() == rangePartitionAttribute.Column.ToLower());
}
return(property.Name.ToLower() == rangePartitionAttribute.Column.ToLower());
});
if (rangeProperty == null)
{
throw new Exception($"Column '{rangePartitionAttribute.Column}' not found");
}
var times = request.Items
.Select(item =>
{
var value = rangeProperty.GetValue(item);
switch (value)
{
case DateTimeOffset time: return(time.ToUnixTimeMilliseconds());
case DateTime time: return(new DateTimeOffset(time).ToUnixTimeMilliseconds());
case int time: return(time);
case long time: return(time);
default:
throw new Exception($"Type '{value.GetType().Name}' is invalid for partitioning." +
$" The valid types are DateTimeOffset, DateTime, long, and int");
}
})
.ToList();
var bucketSize = (long)TimeSpan.FromDays(rangePartitionAttribute.BucketSizeInDays).TotalMilliseconds;
var unPartitionedTimes = times
.Where(time => currentPartitions.RangePartitions.All(partition => !partition.Contains(time)))
.GroupBy(time => (long)Math.Floor(time / (double)bucketSize))
.Select(group => group.Key)
.ToList();
return(unPartitionedTimes
.Select(bucketNumber =>
new AddRangePartitionRequest(bucketNumber * bucketSize, bucketNumber * bucketSize + bucketSize))
.ToList());
}