/// <summary>
/// Private constructor that is used when creating the Tag Server from SCRATCH (<see cref="CreateFromScratchAndSaveToDisk"/>)
/// </summary>
/// <param name="questionsList"></param>
private TagServer(List <Question> questionsList)
{
questions = questionsList;
var groupedTags = CreateTagGroupings();
allTags = groupedTags.ToDictionary(t => t.Key, t => t.Value.Count);
// Some of these rely on allTags, so they have to be created AFTER it is
queryProcessor = new QueryProcessor(questions, type => GetTagLookupForQueryType(type));
complexQueryProcessor = new ComplexQueryProcessor(questions, type => GetTagLookupForQueryType(type));
bitMapQueryProcessor = new BitMapQueryProcessor(questions, allTags,
type => GetTagLookupForQueryType(type),
type => GetTagBitMapIndexForQueryType(type));
bitMapIndexHandler = new BitMapIndexHandler(questions, allTags,
type => GetTagLookupForQueryType(type),
type => GetTagBitMapIndexForQueryType(type));
validator = new Validator(questions, allTags,
type => GetTagLookupForQueryType(type),
type => GetTagBitMapIndexForQueryType(type));
// These have to be initialised in the ctor, so they can remain readonly
tagsByAnswerCount = new TagByQueryLookup(groupedTags.Count);
tagsByCreationDate = new TagByQueryLookup(groupedTags.Count);
tagsByLastActivityDate = new TagByQueryLookup(groupedTags.Count);
tagsByScore = new TagByQueryLookup(groupedTags.Count);
tagsByViewCount = new TagByQueryLookup(groupedTags.Count);
// These have to be initialised in the ctor, so they can remain readonly
tagsByAnswerCountBitMapIndex = new TagByQueryBitMapLookup(groupedTags.Count);
tagsByCreationDateBitMapIndex = new TagByQueryBitMapLookup(groupedTags.Count);
tagsByLastActivityDateBitMapIndex = new TagByQueryBitMapLookup(groupedTags.Count);
tagsByScoreBitMapIndex = new TagByQueryBitMapLookup(groupedTags.Count);
tagsByViewCountBitMapIndex = new TagByQueryBitMapLookup(groupedTags.Count);
CreateSortedLists(groupedTags, useAlternativeMethod: true);
Logger.LogStartupMessage(new string('#', Console.WindowWidth));
bitMapIndexHandler.CreateBitMapIndexes();
Logger.LogStartupMessage(new string('#', Console.WindowWidth));
validator.ValidateTagOrdering();
validator.ValidateBitMapIndexOrdering();
GC.Collect(2, GCCollectionMode.Forced);
var mbUsed = GC.GetTotalMemory(true) / 1024.0 / 1024.0;
Logger.LogStartupMessage("After TagServer created - Using {0:N2} MB ({1:N2} GB) of memory in total\n", mbUsed, mbUsed / 1024.0);
}
/// <summary>
/// Private constructor that is used when creating the Tag Server from previously serialised data (<see cref="CreateFromSerialisedData"/>)
/// </summary>
private TagServer(List <Question> questionsList, TagLookup allTags,
Dictionary <QueryType, TagByQueryLookup> intermediateLookups,
Dictionary <QueryType, TagByQueryBitMapLookup> intermediateBitMapIndexes)
{
questions = questionsList;
this.allTags = allTags;
// Some of these rely on allTags, so they have to be created AFTER it is
queryProcessor = new QueryProcessor(questions, type => GetTagLookupForQueryType(type));
complexQueryProcessor = new ComplexQueryProcessor(questions, type => GetTagLookupForQueryType(type));
bitMapQueryProcessor = new BitMapQueryProcessor(questions, allTags,
type => GetTagLookupForQueryType(type),
type => GetTagBitMapIndexForQueryType(type));
bitMapIndexHandler = new BitMapIndexHandler(questions, allTags,
type => GetTagLookupForQueryType(type),
type => GetTagBitMapIndexForQueryType(type));
validator = new Validator(questions, allTags,
type => GetTagLookupForQueryType(type),
type => GetTagBitMapIndexForQueryType(type));
// These have to be initialised in the ctor, so they can remain readonly
tagsByAnswerCount = intermediateLookups[QueryType.AnswerCount];
tagsByCreationDate = intermediateLookups[QueryType.CreationDate];
tagsByLastActivityDate = intermediateLookups[QueryType.LastActivityDate];
tagsByScore = intermediateLookups[QueryType.Score];
tagsByViewCount = intermediateLookups[QueryType.ViewCount];
// These have to be initialised in the ctor, so they can remain readonly
tagsByAnswerCountBitMapIndex = intermediateBitMapIndexes[QueryType.AnswerCount];
tagsByCreationDateBitMapIndex = intermediateBitMapIndexes[QueryType.CreationDate];
tagsByLastActivityDateBitMapIndex = intermediateBitMapIndexes[QueryType.LastActivityDate];
tagsByScoreBitMapIndex = intermediateBitMapIndexes[QueryType.Score];
tagsByViewCountBitMapIndex = intermediateBitMapIndexes[QueryType.ViewCount];
// This takes a while, maybe don't do it when using Intermediate results (that have already had this check done when they were created)
//ValidateTagOrdering();
//ValidateBitMapIndexOrdering();
GC.Collect(2, GCCollectionMode.Forced);
var mbUsed = GC.GetTotalMemory(true) / 1024.0 / 1024.0;
Logger.LogStartupMessage("After TagServer created - Using {0:N2} MB ({1:N2} GB) of memory in total\n", mbUsed, mbUsed / 1024.0);
}
