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//-----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
namespace System.Activities.DurableInstancing
{
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Runtime;
using System.Xml;
using System.Xml.Linq;
using System.Xml.Serialization;
using System.Runtime.DurableInstancing;
sealed class CorrelationKey
{
public CorrelationKey(Guid keyId)
: this(keyId, null, InstanceEncodingOption.None)
{
}
public CorrelationKey(Guid keyId, IDictionary<XName, InstanceValue> keyMetadata, InstanceEncodingOption encodingOption)
{
this.KeyId = keyId;
this.BinaryData = SerializationUtilities.SerializeKeyMetadata(keyMetadata, encodingOption);
}
public Guid KeyId
{
get;
set;
}
public long StartPosition
{
get;
set;
}
public ArraySegment<byte> BinaryData
{
get;
set;
}
public void SerializeToXmlElement(XmlWriter xmlWriter)
{
xmlWriter.WriteStartElement("CorrelationKey");
xmlWriter.WriteAttributeString("KeyId", this.KeyId.ToString());
if (this.BinaryData.Array != null)
{
xmlWriter.WriteAttributeString("StartPosition", this.StartPosition.ToString(CultureInfo.InvariantCulture));
xmlWriter.WriteAttributeString("BinaryLength", this.BinaryData.Count.ToString(CultureInfo.InvariantCulture));
}
xmlWriter.WriteEndElement();
}
public static List<CorrelationKey> BuildKeyList(ICollection<Guid> keys)
{
List<CorrelationKey> result = null;
if (keys != null)
{
result = new List<CorrelationKey>(keys.Count);
foreach (Guid guid in keys)
{
result.Add(new CorrelationKey(guid));
}
}
else
{
result = new List<CorrelationKey>();
}
return result;
}
public static List<CorrelationKey> BuildKeyList(IDictionary<Guid, IDictionary<XName, InstanceValue>> keys, InstanceEncodingOption encodingOption)
{
List<CorrelationKey> result = new List<CorrelationKey>();
if (keys != null)
{
foreach (KeyValuePair<Guid, IDictionary<XName, InstanceValue>> keyValuePair in keys)
{
result.Add(new CorrelationKey(keyValuePair.Key, keyValuePair.Value, encodingOption));
}
}
return result;
}
}
}
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