/// <summary>
/// Deserializes the internal item.
/// </summary>
/// <param name="itemId">The item id.</param>
/// <param name="inDeserializationContext">The in deserialization context.</param>
/// <param name="reader">The reader.</param>
/// <returns>InternalItem</returns>
private static InternalItem DeserializeInternalItem(byte[] itemId, InDeserializationContext inDeserializationContext, IPrimitiveReader reader)
{
byte kvpListCount = reader.ReadByte();
List <KeyValuePair <int, byte[]> > kvpList = null;
if (kvpListCount > 0)
{
kvpList = new List <KeyValuePair <int, byte[]> >(kvpListCount);
for (byte j = 0; j < kvpListCount; j++)
{
int tagHashCode = reader.ReadInt32();
ushort tagValueLen = reader.ReadUInt16();
byte[] tagValue = null;
if (tagValueLen > 0)
{
tagValue = reader.ReadBytes(tagValueLen);
if (inDeserializationContext.StringHashCodeDictionary != null &&
inDeserializationContext.StringHashCodeDictionary.Count > 0 &&
inDeserializationContext.StringHashCodeDictionary.ContainsKey(tagHashCode))
{
tagValue =
inDeserializationContext.StringHashCollection.GetStringByteArray(
inDeserializationContext.TypeId, tagValue);
}
}
kvpList.Add(new KeyValuePair <int, byte[]>(tagHashCode, tagValue));
}
}
return(new InternalItem {
ItemId = itemId, TagList = kvpList
});
}
/// <summary>
/// Deserializes the internal item.
/// </summary>
/// <param name="internalItem">The internal item</param>
/// <param name="inDeserializationContext">The in deserialization context.</param>
/// <param name="outDeserializationContext">The out deserialization context.</param>
/// <param name="reader">The reader.</param>
private static void DeserializeTags(InternalItem internalItem,
InDeserializationContext inDeserializationContext,
OutDeserializationContext outDeserializationContext,
IPrimitiveReader reader)
{
byte kvpListCount = reader.ReadByte();
if (kvpListCount > 0)
{
internalItem.TagList = new List <KeyValuePair <int, byte[]> >(kvpListCount);
for (byte j = 0; j < kvpListCount; j++)
{
int tagHashCode = reader.ReadInt32();
ushort tagValueLen = reader.ReadUInt16();
byte[] tagValue = null;
if (tagValueLen > 0)
{
tagValue = reader.ReadBytes(tagValueLen);
if (inDeserializationContext.StringHashCodeDictionary != null &&
inDeserializationContext.StringHashCodeDictionary.Count > 0 &&
inDeserializationContext.StringHashCodeDictionary.ContainsKey(tagHashCode))
{
tagValue = inDeserializationContext.StringHashCollection.GetStringByteArray(inDeserializationContext.TypeId, tagValue);
}
}
internalItem.TagList.Add(new KeyValuePair <int, byte[]>(tagHashCode, tagValue));
}
}
//Get Distinct Values
if (!String.IsNullOrEmpty(inDeserializationContext.GetDistinctValuesFieldName))
{
byte[] distinctValue;
if (String.Equals(inDeserializationContext.GetDistinctValuesFieldName, "ItemId", StringComparison.OrdinalIgnoreCase))
{
distinctValue = internalItem.ItemId;
}
else
{
internalItem.TryGetTagValue(inDeserializationContext.GetDistinctValuesFieldName, out distinctValue);
}
if (distinctValue != null)
{
if (outDeserializationContext.DistinctValueCountMapping.ContainsKey(distinctValue))
{
outDeserializationContext.DistinctValueCountMapping[distinctValue] += 1;
}
else
{
outDeserializationContext.DistinctValueCountMapping.Add(distinctValue, 1);
}
}
}
}
/// <summary>
/// Converts to tag dictionary.
/// </summary>
/// <param name="tagList">The tag list.</param>
/// <param name="inDeserializationContext">The InDeserializationContext.</param>
/// <returns></returns>
internal static Dictionary <string /*TagName*/, byte[] /* TagValue*/> ConvertToTagDictionary(
List <KeyValuePair <int /*TagHashCode*/, byte[] /*TagName*/> > tagList,
InDeserializationContext inDeserializationContext)
{
Dictionary <string /*TagName*/, byte[] /*TagValue*/> tagsDictionary = null;
if (tagList != null && tagList.Count > 0)
{
tagsDictionary = new Dictionary <string, byte[]>(tagList.Count);
foreach (KeyValuePair <int /*TagName*/, byte[] /*TagValue*/> kvp in tagList)
{
string tagName = inDeserializationContext.TagHashCollection.GetTagName(inDeserializationContext.TypeId, kvp.Key);
if (!tagsDictionary.ContainsKey(tagName))
{
tagsDictionary.Add(tagName, kvp.Value);
}
}
}
return(tagsDictionary);
}
/// <summary>
/// Converts an InternalItem to an IndexItem.
/// </summary>
/// <param name="internalItem">The internal item.</param>
/// <param name="inDeserializationContext">The in deserialization context.</param>
/// <returns></returns>
internal static IndexItem ConvertToIndexItem(InternalItem internalItem, InDeserializationContext inDeserializationContext)
{
return(new IndexItem(internalItem.ItemId, ConvertToTagDictionary(internalItem.TagList, inDeserializationContext)));
}
