private static Term CreateTerm(string name, QueryFieldValue queryFieldValue)
{
string numval;
switch (queryFieldValue.Datatype)
{
case IndexableDataType.String:
return(new Term(name, queryFieldValue.StringValue));
case IndexableDataType.Int: numval = NumericUtils.IntToPrefixCoded(queryFieldValue.IntValue); break;
case IndexableDataType.Long: numval = NumericUtils.LongToPrefixCoded(queryFieldValue.LongValue); break;
case IndexableDataType.Float: numval = NumericUtils.FloatToPrefixCoded(queryFieldValue.SingleValue); break;
case IndexableDataType.Double: numval = NumericUtils.DoubleToPrefixCoded(queryFieldValue.DoubleValue); break;
default:
throw new SnNotSupportedException("Unknown IndexableDataType enum value: " + queryFieldValue.Datatype);
}
var numterm = new Term(name, numval);
return(numterm);
}
public void AddPoint(int id, string name, double lat, double lng, IndexWriter currentWriter)
{
EnsureDistanceMatrixReady();
var writer = currentWriter != null ? currentWriter : MakeWriter(true, IndexWriter.MaxFieldLength.UNLIMITED);
Document doc = new Document();
doc.Add(new Field("name", name, Field.Store.YES, Field.Index.ANALYZED));
doc.Add(new Field("PostID", Convert.ToString(id), Field.Store.YES, Field.Index.UN_TOKENIZED));
// convert the lat / long to lucene fields
doc.Add(new Field(LatField, NumericUtils.DoubleToPrefixCoded(lat), Field.Store.YES, Field.Index.NOT_ANALYZED));
doc.Add(new Field(LngField, NumericUtils.DoubleToPrefixCoded(lng), Field.Store.YES, Field.Index.NOT_ANALYZED));
// add a default meta field to make searching all documents easy
doc.Add(new Field("metafile", "doc", Field.Store.YES, Field.Index.ANALYZED));
int ctpsize = _ctps.Count;
for (int i = 0; i < ctpsize; i++)
{
CartesianTierPlotter ctp = _ctps[i];
var boxId = ctp.GetTierBoxId(lat, lng);
doc.Add(new Field(ctp.GetTierFieldName(),
NumericUtils.DoubleToPrefixCoded(boxId),
Field.Store.YES,
Field.Index.NOT_ANALYZED_NO_NORMS));
}
writer.AddDocument(doc);
if (currentWriter == null) // if we're not using the passed along writer, which is supposed to be terminated by the caller, then end our new writer
{
FinishWriter(writer);
}
}
private Query CreateValueQuery(QueryFieldValue value)
{
var currentField = _currentField.Peek();
string numval;
switch (value.Datatype)
{
case IndexableDataType.String:
return(CreateStringValueQuery(value, currentField));
case IndexableDataType.Int: numval = NumericUtils.IntToPrefixCoded(value.IntValue); break;
case IndexableDataType.Long: numval = NumericUtils.LongToPrefixCoded(value.LongValue); break;
case IndexableDataType.Float: numval = NumericUtils.FloatToPrefixCoded(value.SingleValue); break;
case IndexableDataType.Double: numval = NumericUtils.DoubleToPrefixCoded(value.DoubleValue); break;
default:
throw new NotImplementedException("Unknown IndexableDataType enum value: " + value.Datatype);
}
var numterm = new Term(currentField.Name, numval);
return(new TermQuery(numterm));
}
private void AddPoint(IndexWriter writer, String name, double lat, double lng)
{
Document doc = new Document();
doc.Add(new Field("name", name, Field.Store.YES, Field.Index.ANALYZED));
// convert the lat / long to lucene fields
doc.Add(new Field(LatField, NumericUtils.DoubleToPrefixCoded(lat), Field.Store.YES, Field.Index.NOT_ANALYZED));
doc.Add(new Field(LngField, NumericUtils.DoubleToPrefixCoded(lng), Field.Store.YES, Field.Index.NOT_ANALYZED));
// add a default meta field to make searching all documents easy
doc.Add(new Field("metafile", "doc", Field.Store.YES, Field.Index.ANALYZED));
int ctpsize = _ctps.Count;
for (int i = 0; i < ctpsize; i++)
{
CartesianTierPlotter ctp = _ctps[i];
var boxId = ctp.GetTierBoxId(lat, lng);
doc.Add(new Field(ctp.GetTierFieldName(),
NumericUtils.DoubleToPrefixCoded(boxId),
Field.Store.YES,
Field.Index.NOT_ANALYZED_NO_NORMS));
}
writer.AddDocument(doc);
}
public static string Tier(int id, double lat, double lng)
{
if (id < MinTier || id > MaxTier)
{
throw new ArgumentException(
string.Format("tier id should be between {0} and {1}", MinTier, MaxTier), "id");
}
var boxId = Ctps[id - MinTier].GetTierBoxId(lat, lng);
return(NumericUtils.DoubleToPrefixCoded(boxId));
}
private static string NumericStringToSortableNumeric(string value)
{
var number = NumberUtil.StringToNumber(value);
if (number is long)
{
return(NumericUtils.LongToPrefixCoded((long)number));
}
if (number is double)
{
return(NumericUtils.DoubleToPrefixCoded((double)number));
}
throw new ArgumentException("Unknown type for " + number.GetType() + " which started as " + value);
}
public static EncodedFacetRange CreateFrom(FacetRange range)
{
var result = new EncodedFacetRange
{
Label = range.Label,
FromInclusive = range.FromInclusive,
ToInclusive = range.ToInclusive
};
if (range.FromValue != null)
{
result.FromValue = NumericUtils.DoubleToPrefixCoded(range.FromValue.Value);
}
if (range.ToValue != null)
{
result.ToValue = NumericUtils.DoubleToPrefixCoded(range.ToValue.Value);
}
return(result);
}
/// <summary>
/// Makes a TermQuery for the given MappedField and expression.
/// </summary>
/// <param name="field">
/// The MappedField to create the query for.
/// </param>
/// <param name="term">
/// The constant to match in the query.
/// </param>
/// <returns>
/// An instance of TermQuery.
/// </returns>
private static TermQuery MakeTermQuery(MappedField field, Expression term)
{
Debug.Assert(null != field, "The mapped field must not be null.");
Debug.Assert(null != term, "The term must not be null.");
string queryTerm;
switch (field.Type)
{
case MappedField.FieldType.Float:
queryTerm = NumericUtils.FloatToPrefixCoded(field.GetValueFromExpression <float>(term));
break;
case MappedField.FieldType.Double:
queryTerm = NumericUtils.DoubleToPrefixCoded(field.GetValueFromExpression <double>(term));
break;
case MappedField.FieldType.Short:
queryTerm = NumericUtils.IntToPrefixCoded(field.GetValueFromExpression <short>(term));
break;
case MappedField.FieldType.Int:
queryTerm = NumericUtils.IntToPrefixCoded(field.GetValueFromExpression <int>(term));
break;
case MappedField.FieldType.Long:
queryTerm = NumericUtils.LongToPrefixCoded(field.GetValueFromExpression <long>(term));
break;
case MappedField.FieldType.String:
queryTerm = field.GetValueFromExpression <string>(term);
break;
default:
throw new InvalidOperationException(String.Format(
"Cannot make a TermQuery for field '{0}' of type {1}.",
field.Name, field.Type));
}
return(new TermQuery(new Term(field.Name, queryTerm)));
}
internal static string ToPrefixCoded(this ValueType value)
{
if (value is int)
{
return(NumericUtils.IntToPrefixCoded((int)value));
}
if (value is long)
{
return(NumericUtils.LongToPrefixCoded((long)value));
}
if (value is double)
{
return(NumericUtils.DoubleToPrefixCoded((double)value));
}
if (value is float)
{
return(NumericUtils.FloatToPrefixCoded((float)value));
}
throw new NotSupportedException("ValueType " + value.GetType() + " not supported.");
}
public void Set(string name, object value, Document document, Field.Store store, Field.Index index, float?boost)
{
var service = (Service)value;
var location = service.Location;
var lat = new Field("Location_Latitude", NumericUtils.DoubleToPrefixCoded(location.Y), Field.Store.YES, Field.Index.NOT_ANALYZED);
var lng = new Field("Location_Longitude", NumericUtils.DoubleToPrefixCoded(location.X), Field.Store.YES, Field.Index.NOT_ANALYZED);
document.Add(lat);
document.Add(lng);
document.Add(new Field("metafile", "doc", Field.Store.YES, Field.Index.ANALYZED));
int ctpsize = Ctps.Count;
for (int i = 0; i < ctpsize; i++)
{
CartesianTierPlotter ctp = Ctps[i];
var boxId = ctp.GetTierBoxId(location.Y, location.X);
document.Add(new Field(ctp.GetTierFieldName(), NumericUtils.DoubleToPrefixCoded(boxId), Field.Store.YES, Field.Index.NOT_ANALYZED_NO_NORMS));
}
}
/// <summary>
/// Converts to searchable.
/// </summary>
/// <param name="value">The value.</param>
/// <param name="tryConvertToNumber">if set to <c>true</c> [try convert to number].</param>
/// <returns></returns>
public static string ConvertToSearchable(object value, bool tryConvertToNumber = true)
{
if (value == null || String.IsNullOrEmpty(value.ToString()))
{
return(String.Empty);
}
if (tryConvertToNumber)
{
decimal decimalVal;
int intVal;
// Try converting to a known type
if (Decimal.TryParse(value.ToString(), out decimalVal))
{
value = decimalVal;
}
else if (Int32.TryParse(value.ToString(), out intVal))
{
value = intVal;
}
}
if (value is string)
{
return(value.ToString());
}
if (value is decimal)
{
return(NumericUtils.DoubleToPrefixCoded(double.Parse(value.ToString())));
}
if (value.GetType() != typeof(int) || value.GetType() != typeof(long) || value.GetType() != typeof(double))
{
return(value.ToString());
}
return(NumericUtils.DoubleToPrefixCoded((double)value));
}
private static (string Value, RangeType Type) ConvertFieldValue(string value, ValueTokenType type)
{
switch (type)
{
case ValueTokenType.Long:
var lng = QueryBuilder.ParseInt64WithSeparators(value);
return(NumericUtils.DoubleToPrefixCoded(lng), RangeType.Double);
case ValueTokenType.Double:
var dbl = double.Parse(value, CultureInfo.InvariantCulture);
return(NumericUtils.DoubleToPrefixCoded(dbl), RangeType.Double);
case ValueTokenType.String:
return(value, RangeType.None);
case ValueTokenType.Null:
return(null, RangeType.None);
default:
throw new ArgumentOutOfRangeException(nameof(type), type, null);
}
}
private static string GetFilterValue(string value, bool isBooleanField)
{
if (string.IsNullOrEmpty(value))
{
return(string.Empty);
}
if (isBooleanField)
{
return(bool.Parse(value).ToStringInvariant());
}
var dateValue = ConvertToDateTimeTicks(value);
if (dateValue != null)
{
return(NumericUtils.LongToPrefixCoded(dateValue.Value));
}
var dobuleValue = ConvertToDouble(value);
return(dobuleValue != null?NumericUtils.DoubleToPrefixCoded(dobuleValue.Value) : value);
}
private static string ConvertFieldValue(string field, string value)
{
if (NumberUtil.IsNull(value))
{
return(null);
}
var rangeType = FieldUtil.GetRangeTypeFromFieldName(field);
switch (rangeType)
{
case RangeType.Long:
var longValue = NumberUtil.StringToLong(value);
return(NumericUtils.LongToPrefixCoded(longValue.Value));
case RangeType.Double:
var doubleValue = NumberUtil.StringToDouble(value);
return(NumericUtils.DoubleToPrefixCoded(doubleValue.Value));
default:
return(value);
}
}
private static (string Value, RangeType Type) ConvertFieldValue(string value, ValueTokenType type, BlittableJsonReaderObject queryParameters)
{
switch (type)
{
case ValueTokenType.Long:
var lng = QueryBuilder.ParseInt64WithSeparators(value);
return(NumericUtils.DoubleToPrefixCoded(lng), RangeType.Double);
case ValueTokenType.Double:
var dbl = double.Parse(value, CultureInfo.InvariantCulture);
return(NumericUtils.DoubleToPrefixCoded(dbl), RangeType.Double);
case ValueTokenType.String:
return(value, RangeType.None);
case ValueTokenType.Null:
return(null, RangeType.None);
case ValueTokenType.Parameter:
queryParameters.TryGet(value, out object o);
var rangeType = RangeType.None;
if (o is long l)
{
o = NumericUtils.DoubleToPrefixCoded(l);
rangeType = RangeType.Double;
}
else if (o is LazyNumberValue lnv)
{
o = NumericUtils.DoubleToPrefixCoded((double)lnv);
rangeType = RangeType.Double;
}
return(o?.ToString(), rangeType);
default:
throw new ArgumentOutOfRangeException(nameof(type), type, null);
}
}
public override DocIdSet GetDocIdSet(IndexReader reader)
{
var bits = new OpenBitSet(reader.MaxDoc());
TermDocs termDocs = reader.TermDocs();
List <double> area = _shape.Area;
int sz = area.Count;
// iterate through each boxid
for (int i = 0; i < sz; i++)
{
double boxId = area[i];
termDocs.Seek(new Term(_fieldName, NumericUtils.DoubleToPrefixCoded(boxId)));
// iterate through all documents
// which have this boxId
while (termDocs.Next())
{
bits.FastSet(termDocs.Doc());
}
}
return(bits);
}
private string ConvertToTermValue(IndexValue value)
{
switch (value.Type)
{
case IndexValueType.String: return(value.StringValue);
case IndexValueType.StringArray: throw new NotSupportedException();
case IndexValueType.Bool: return(value.BooleanValue ? IndexValue.Yes : IndexValue.No);
case IndexValueType.Int: return(NumericUtils.IntToPrefixCoded(value.IntegerValue));
case IndexValueType.Long: return(NumericUtils.LongToPrefixCoded(value.LongValue));
case IndexValueType.Float: return(NumericUtils.FloatToPrefixCoded(value.SingleValue));
case IndexValueType.Double: return(NumericUtils.DoubleToPrefixCoded(value.DoubleValue));
case IndexValueType.DateTime: return(NumericUtils.LongToPrefixCoded(value.DateTimeValue.Ticks));
default:
throw new ArgumentOutOfRangeException();
}
}
public static string Lng(double value)
{
return(NumericUtils.DoubleToPrefixCoded(value));
}
/// <summary>
///
/// </summary>
/// <param name="lookQuery">The query to parse</param>
/// <param name="parsingContext"></param>
private static void ParseLocationQuery(ParsingContext parsingContext, LookQuery lookQuery)
{
if (lookQuery.LocationQuery == null)
{
return;
}
parsingContext.QueryAdd(new TermQuery(new Term(LookConstants.HasLocationField, "1")), BooleanClause.Occur.MUST);
if (lookQuery.LocationQuery.Boundary != null) // limit results within an lat lng fixed view (eg, typical map bounds)
{
parsingContext.QueryAdd(
new TermRangeQuery(
LookConstants.LocationField + "_Latitude",
NumericUtils.DoubleToPrefixCoded(lookQuery.LocationQuery.Boundary.LatitudeMin),
NumericUtils.DoubleToPrefixCoded(lookQuery.LocationQuery.Boundary.LatitudeMax),
true,
true),
BooleanClause.Occur.MUST);
parsingContext.QueryAdd(
new TermRangeQuery(
LookConstants.LocationField + "_Longitude",
NumericUtils.DoubleToPrefixCoded(lookQuery.LocationQuery.Boundary.LongitudeMin),
NumericUtils.DoubleToPrefixCoded(lookQuery.LocationQuery.Boundary.LongitudeMax),
true,
true),
BooleanClause.Occur.MUST);
}
if (lookQuery.LocationQuery.Location != null) // location set, so can calculate distance
{
double maxDistance = LookService._maxDistance;
if (lookQuery.LocationQuery.MaxDistance != null)
{
maxDistance = Math.Min(lookQuery.LocationQuery.MaxDistance.GetMiles(), maxDistance);
}
var distanceQueryBuilder = new DistanceQueryBuilder(
lookQuery.LocationQuery.Location.Latitude,
lookQuery.LocationQuery.Location.Longitude,
maxDistance,
LookConstants.LocationField + "_Latitude",
LookConstants.LocationField + "_Longitude",
LookConstants.LocationTierFieldPrefix,
true);
parsingContext.Filter = distanceQueryBuilder.Filter;
if (lookQuery.SortOn == SortOn.Distance)
{
parsingContext.Sort = new Sort(
new SortField(
LookConstants.DistanceField,
new DistanceFieldComparatorSource(distanceQueryBuilder.DistanceFilter)));
}
parsingContext.GetDistance = new Func <int, double?>(x =>
{
if (distanceQueryBuilder.DistanceFilter.Distances.ContainsKey(x))
{
return(distanceQueryBuilder.DistanceFilter.Distances[x]);
}
return(null);
});
}
}
/// <summary>
/// Do the indexing and set the field values onto the Lucene document
/// </summary>
/// <param name="indexingContext"></param>
/// <param name="document"></param>
internal static void Index(IndexingContext indexingContext, Document document)
{
if (indexingContext.Item != null)
{
var publishedItemType = indexingContext?.HostItem?.ItemType ?? indexingContext.Item.ItemType;
var hasNodeField = new Field(
LookConstants.HasNodeField,
"1",
Field.Store.NO,
Field.Index.NOT_ANALYZED);
var nodeIdField = new Field(
LookConstants.NodeIdField,
indexingContext.Item.Id.ToString(),
Field.Store.YES,
Field.Index.NOT_ANALYZED);
var nodeKeyField = new Field(
LookConstants.NodeKeyField,
indexingContext.Item.GetGuidKey().ToString(),
Field.Store.YES,
Field.Index.NOT_ANALYZED);
var nodeTypeField = new Field(
LookConstants.NodeTypeField,
publishedItemType.ToString(),
Field.Store.YES,
Field.Index.NOT_ANALYZED,
Field.TermVector.NO);
var nodeAliasField = new Field(
LookConstants.NodeAliasField,
indexingContext.Item.DocumentTypeAlias,
Field.Store.NO,
Field.Index.NOT_ANALYZED,
Field.TermVector.NO);
document.Add(hasNodeField);
document.Add(nodeIdField);
document.Add(nodeKeyField);
document.Add(nodeTypeField);
document.Add(nodeAliasField);
if (publishedItemType == PublishedItemType.Content)
{
var culture = indexingContext?.HostItem?.GetCulture() ?? indexingContext.Item.GetCulture();
if (culture != null)
{
var cultureField = new Field(
LookConstants.CultureField,
culture.LCID.ToString(),
Field.Store.NO,
Field.Index.NOT_ANALYZED,
Field.TermVector.NO);
document.Add(cultureField);
}
}
if (indexingContext.HostItem != null)
{
var isDetachedField = new Field(
LookConstants.IsDetachedField,
"1",
Field.Store.NO,
Field.Index.NOT_ANALYZED);
// indexing detached item, so store the host context id so we can return the detached item
var hostIdField = new Field(
LookConstants.HostIdField,
indexingContext.HostItem.Id.ToString(),
Field.Store.YES,
Field.Index.NOT_ANALYZED);
document.Add(isDetachedField);
document.Add(hostIdField);
}
}
if (LookService.Instance.NameIndexer != null)
{
string name = null;
try
{
name = LookService.Instance.NameIndexer(indexingContext);
}
catch (Exception exception)
{
LogHelper.WarnWithException(typeof(LookService), "Error in name indexer", exception);
}
if (name != null)
{
var hasNameField = new Field(
LookConstants.HasNameField,
"1",
Field.Store.NO,
Field.Index.NOT_ANALYZED);
var nameField = new Field(
LookConstants.NameField,
name,
Field.Store.YES,
Field.Index.NOT_ANALYZED,
Field.TermVector.YES);
// field for lower case searching
var nameFieldLowered = new Field(
LookConstants.NameField + "_Lowered",
name.ToLower(),
Field.Store.NO,
Field.Index.NOT_ANALYZED,
Field.TermVector.YES);
var nameSortedField = new Field(
LuceneIndexer.SortedFieldNamePrefix + LookConstants.NameField,
name.ToLower(), // force case insentive sorting
Field.Store.NO,
Field.Index.NOT_ANALYZED,
Field.TermVector.NO);
document.Add(hasNameField);
document.Add(nameField);
document.Add(nameFieldLowered);
document.Add(nameSortedField);
}
}
if (LookService.Instance.DateIndexer != null)
{
DateTime?date = null;
try
{
date = LookService.Instance.DateIndexer(indexingContext);
}
catch (Exception exception)
{
LogHelper.WarnWithException(typeof(LookService), "Error in date indexer", exception);
}
if (date != null)
{
var hasDateField = new Field(
LookConstants.HasDateField,
"1",
Field.Store.NO,
Field.Index.NOT_ANALYZED);
var dateValue = DateTools.DateToString(date.Value, DateTools.Resolution.SECOND);
var dateField = new Field(
LookConstants.DateField,
dateValue,
Field.Store.YES,
Field.Index.ANALYZED,
Field.TermVector.YES);
var dateSortedField = new Field(
LuceneIndexer.SortedFieldNamePrefix + LookConstants.DateField,
dateValue,
Field.Store.NO,
Field.Index.NOT_ANALYZED,
Field.TermVector.NO);
document.Add(hasDateField);
document.Add(dateField);
document.Add(dateSortedField);
}
}
if (LookService.Instance.TextIndexer != null)
{
string text = null;
try
{
text = LookService.Instance.TextIndexer(indexingContext);
}
catch (Exception exception)
{
LogHelper.WarnWithException(typeof(LookService), "Error in text indexer", exception);
}
if (text != null)
{
var hasTextField = new Field(
LookConstants.HasTextField,
"1",
Field.Store.NO,
Field.Index.NOT_ANALYZED);
var textField = new Field(
LookConstants.TextField,
text,
Field.Store.YES,
Field.Index.ANALYZED,
Field.TermVector.YES);
document.Add(hasTextField);
document.Add(textField);
}
}
if (LookService.Instance.TagIndexer != null)
{
LookTag[] tags = null;
try
{
tags = LookService.Instance.TagIndexer(indexingContext);
}
catch (Exception exception)
{
LogHelper.WarnWithException(typeof(LookService), "Error in tag indexer", exception);
}
if (tags != null)
{
foreach (var tag in tags)
{
var hasTagsField = new Field(
LookConstants.HasTagsField,
"1",
Field.Store.NO,
Field.Index.NOT_ANALYZED);
// add all tags to a common field (serialized such that Tag objects can be restored from this)
var allTagsField = new Field(
LookConstants.AllTagsField,
tag.ToString(),
Field.Store.YES,
Field.Index.NOT_ANALYZED);
// add the tag value to a specific field - this is used for searching on
var tagField = new Field(
LookConstants.TagsField + tag.Group,
tag.Name,
Field.Store.YES,
Field.Index.NOT_ANALYZED);
document.Add(hasTagsField);
document.Add(allTagsField);
document.Add(tagField);
}
}
}
if (LookService.Instance.LocationIndexer != null)
{
Location location = null;
try
{
location = LookService.Instance.LocationIndexer(indexingContext);
}
catch (Exception exception)
{
LogHelper.WarnWithException(typeof(LookService), "Error in location indexer", exception);
}
if (location != null)
{
var hasLocationField = new Field(
LookConstants.HasLocationField,
"1",
Field.Store.NO,
Field.Index.NOT_ANALYZED);
var locationField = new Field(
LookConstants.LocationField,
location.ToString(),
Field.Store.YES,
Field.Index.NOT_ANALYZED);
var locationLatitudeField = new Field(
LookConstants.LocationField + "_Latitude",
NumericUtils.DoubleToPrefixCoded(location.Latitude),
Field.Store.YES,
Field.Index.NOT_ANALYZED);
var locationLongitudeField = new Field(
LookConstants.LocationField + "_Longitude",
NumericUtils.DoubleToPrefixCoded(location.Longitude),
Field.Store.YES,
Field.Index.NOT_ANALYZED);
document.Add(hasLocationField);
document.Add(locationField);
document.Add(locationLatitudeField);
document.Add(locationLongitudeField);
foreach (var cartesianTierPlotter in LookService.Instance.CartesianTierPlotters)
{
var boxId = cartesianTierPlotter.GetTierBoxId(location.Latitude, location.Longitude);
var tierField = new Field(
cartesianTierPlotter.GetTierFieldName(),
NumericUtils.DoubleToPrefixCoded(boxId),
Field.Store.YES,
Field.Index.NOT_ANALYZED_NO_NORMS);
document.Add(tierField);
}
}
}
}
/// <summary>
/// Perform a Look search
/// </summary>
/// <param name="lookQuery">A LookQuery model for the search criteria</param>
/// <returns>A LookResult model for the search response</returns>
public static LookResult Search(LookQuery lookQuery)
{
// flag to indicate whether there are any query clauses in the supplied LookQuery
bool hasQuery = lookQuery?.Compiled != null ? true : false;
if (lookQuery == null)
{
return(LookResult.Error("LookQuery object was null"));
}
if (lookQuery.SearchingContext == null) // supplied by unit test to skip examine dependency
{
// attempt to get searching context from examine searcher name
lookQuery.SearchingContext = LookService.GetSearchingContext(lookQuery.SearcherName);
if (lookQuery.SearchingContext == null)
{
return(LookResult.Error("SearchingContext was null"));
}
}
if (lookQuery.Compiled == null)
{
BooleanQuery query = null; // the lucene query being built
Filter filter = null; // used for geospatial queries
Sort sort = null;
Func <string, IHtmlString> getHighlight = x => null;
Func <int, double?> getDistance = x => null;
query = new BooleanQuery();
#region RawQuery
if (!string.IsNullOrWhiteSpace(lookQuery.RawQuery))
{
hasQuery = true;
query.Add(
new QueryParser(Lucene.Net.Util.Version.LUCENE_29, null, lookQuery.SearchingContext.Analyzer).Parse(lookQuery.RawQuery),
BooleanClause.Occur.MUST);
}
#endregion
#region ExamineQuery
if (lookQuery.ExamineQuery != null)
{
var luceneSearchCriteria = lookQuery.ExamineQuery as LuceneSearchCriteria; // will be of type LookSearchCriteria when using the custom Look indexer/searcher
if (luceneSearchCriteria != null && luceneSearchCriteria.Query != null)
{
hasQuery = true;
query.Add(luceneSearchCriteria.Query, BooleanClause.Occur.MUST);
}
}
#endregion
#region NodeQuery
if (lookQuery.NodeQuery != null)
{
hasQuery = true;
query.Add(new TermQuery(new Term(LookConstants.HasNodeField, "1")), BooleanClause.Occur.MUST);
// HasType
if (lookQuery.NodeQuery.Type != null)
{
query.Add(
new TermQuery(
new Term(LookConstants.NodeTypeField, lookQuery.NodeQuery.Type.ToString())),
BooleanClause.Occur.MUST);
}
// HasTypeAny
if (lookQuery.NodeQuery.TypeAny != null && lookQuery.NodeQuery.TypeAny.Any())
{
var nodeTypeQuery = new BooleanQuery();
foreach (var nodeType in lookQuery.NodeQuery.TypeAny)
{
nodeTypeQuery.Add(
new TermQuery(
new Term(LookConstants.NodeTypeField, nodeType.ToString())),
BooleanClause.Occur.SHOULD);
}
query.Add(nodeTypeQuery, BooleanClause.Occur.MUST);
}
// Detached
switch (lookQuery.NodeQuery.DetachedQuery)
{
case DetachedQuery.ExcludeDetached:
query.Add(
new TermQuery(new Term(LookConstants.IsDetachedField, "1")),
BooleanClause.Occur.MUST_NOT);
break;
case DetachedQuery.OnlyDetached:
query.Add(
new TermQuery(new Term(LookConstants.IsDetachedField, "1")),
BooleanClause.Occur.MUST);
break;
}
// HasCulture
if (lookQuery.NodeQuery.Culture != null)
{
query.Add(
new TermQuery(
new Term(LookConstants.CultureField, lookQuery.NodeQuery.Culture.LCID.ToString())),
BooleanClause.Occur.MUST);
}
// HasCultureAny
if (lookQuery.NodeQuery.CultureAny != null && lookQuery.NodeQuery.CultureAny.Any())
{
var nodeCultureQuery = new BooleanQuery();
foreach (var nodeCulture in lookQuery.NodeQuery.CultureAny)
{
nodeCultureQuery.Add(
new TermQuery(
new Term(LookConstants.CultureField, nodeCulture.LCID.ToString())),
BooleanClause.Occur.SHOULD);
}
query.Add(nodeCultureQuery, BooleanClause.Occur.MUST);
}
// HasAlias
if (lookQuery.NodeQuery.Alias != null)
{
query.Add(
new TermQuery(
new Term(LookConstants.NodeAliasField, lookQuery.NodeQuery.Alias.ToString())),
BooleanClause.Occur.MUST);
}
// HasAliasAny
if (lookQuery.NodeQuery.AliasAny != null && lookQuery.NodeQuery.AliasAny.Any())
{
var nodeAliasQuery = new BooleanQuery();
foreach (var typeAlias in lookQuery.NodeQuery.AliasAny)
{
nodeAliasQuery.Add(
new TermQuery(
new Term(LookConstants.NodeAliasField, typeAlias)),
BooleanClause.Occur.SHOULD);
}
query.Add(nodeAliasQuery, BooleanClause.Occur.MUST);
}
// Ids
if (lookQuery.NodeQuery.Ids != null && lookQuery.NodeQuery.Ids.Any())
{
if (lookQuery.NodeQuery.NotIds != null)
{
var conflictIds = lookQuery.NodeQuery.Ids.Where(x => lookQuery.NodeQuery.NotIds.Contains(x));
if (conflictIds.Any())
{
return(LookResult.Error($"Conflict in NodeQuery, Ids: '{ string.Join(",", conflictIds) }' are in both Ids and NotIds"));
}
}
var idQuery = new BooleanQuery();
foreach (var id in lookQuery.NodeQuery.Ids)
{
idQuery.Add(
new TermQuery(new Term(LookConstants.NodeIdField, id.ToString())),
BooleanClause.Occur.SHOULD);
}
query.Add(idQuery, BooleanClause.Occur.MUST);
}
// Keys
if (lookQuery.NodeQuery.Keys != null && lookQuery.NodeQuery.Keys.Any())
{
if (lookQuery.NodeQuery.NotKeys != null)
{
var conflictKeys = lookQuery.NodeQuery.Keys.Where(x => lookQuery.NodeQuery.NotKeys.Contains(x));
if (conflictKeys.Any())
{
return(LookResult.Error($"Conflict in NodeQuery, keys: '{ string.Join(",", conflictKeys) }' are in both Keys and NotKeys"));
}
}
var keyQuery = new BooleanQuery();
foreach (var key in lookQuery.NodeQuery.Keys)
{
keyQuery.Add(
new TermQuery(new Term(LookConstants.NodeKeyField, key.GuidToLuceneString())),
BooleanClause.Occur.SHOULD);
}
query.Add(keyQuery, BooleanClause.Occur.MUST);
}
// NotId
if (lookQuery.NodeQuery.NotId != null)
{
query.Add(
new TermQuery(new Term(LookConstants.NodeIdField, lookQuery.NodeQuery.NotId.ToString())),
BooleanClause.Occur.MUST_NOT);
}
// NotIds
if (lookQuery.NodeQuery.NotIds != null && lookQuery.NodeQuery.NotIds.Any())
{
foreach (var exculudeId in lookQuery.NodeQuery.NotIds)
{
query.Add(
new TermQuery(new Term(LookConstants.NodeIdField, exculudeId.ToString())),
BooleanClause.Occur.MUST_NOT);
}
}
// NotKey
if (lookQuery.NodeQuery.NotKey != null)
{
query.Add(
new TermQuery(new Term(LookConstants.NodeKeyField, lookQuery.NodeQuery.NotKey.ToString())),
BooleanClause.Occur.MUST_NOT);
}
// NotKeys
if (lookQuery.NodeQuery.NotKeys != null && lookQuery.NodeQuery.NotKeys.Any())
{
foreach (var excludeKey in lookQuery.NodeQuery.NotKeys)
{
query.Add(
new TermQuery(new Term(LookConstants.NodeKeyField, excludeKey.GuidToLuceneString())),
BooleanClause.Occur.MUST_NOT);
}
}
}
#endregion
#region NameQuery
if (lookQuery.NameQuery != null)
{
hasQuery = true;
query.Add(new TermQuery(new Term(LookConstants.HasNameField, "1")), BooleanClause.Occur.MUST);
string wildcard1 = null;
string wildcard2 = null; // incase Contains specified with StartsWith and/or EndsWith
if (!string.IsNullOrEmpty(lookQuery.NameQuery.StartsWith))
{
if (!string.IsNullOrEmpty(lookQuery.NameQuery.Is))
{
if (!lookQuery.NameQuery.Is.StartsWith(lookQuery.NameQuery.StartsWith))
{
return(LookResult.Error("Conflict in NameQuery between Is and StartsWith"));
}
}
else
{
wildcard1 = lookQuery.NameQuery.StartsWith + "*";
}
}
if (!string.IsNullOrEmpty(lookQuery.NameQuery.EndsWith))
{
if (!string.IsNullOrEmpty(lookQuery.NameQuery.Is))
{
if (!lookQuery.NameQuery.Is.EndsWith(lookQuery.NameQuery.EndsWith))
{
return(LookResult.Error("Conflict in NameQuery between Is and EndsWith"));
}
}
else
{
if (wildcard1 == null)
{
wildcard1 = "*" + lookQuery.NameQuery.EndsWith;
}
else
{
wildcard1 += lookQuery.NameQuery.EndsWith;
}
}
}
if (!string.IsNullOrEmpty(lookQuery.NameQuery.Contains))
{
if (!string.IsNullOrEmpty(lookQuery.NameQuery.Is))
{
if (!lookQuery.NameQuery.Is.Contains(lookQuery.NameQuery.Contains))
{
return(LookResult.Error("Conflict in NameQuery between Is and Contains"));
}
}
else
{
if (wildcard1 == null)
{
wildcard1 = "*" + lookQuery.NameQuery.Contains + "*";
}
else
{
wildcard2 = "*" + lookQuery.NameQuery.Contains + "*";
}
}
}
var nameField = lookQuery.NameQuery.CaseSensitive ? LookConstants.NameField : LookConstants.NameField + "_Lowered";
if (wildcard1 != null)
{
var wildcard = lookQuery.NameQuery.CaseSensitive ? wildcard1 : wildcard1.ToLower();
query.Add(new WildcardQuery(new Term(nameField, wildcard)), BooleanClause.Occur.MUST);
if (wildcard2 != null)
{
wildcard = lookQuery.NameQuery.CaseSensitive ? wildcard2 : wildcard2.ToLower();
query.Add(new WildcardQuery(new Term(nameField, wildcard)), BooleanClause.Occur.MUST);
}
}
if (!string.IsNullOrEmpty(lookQuery.NameQuery.Is))
{
var isText = lookQuery.NameQuery.CaseSensitive ? lookQuery.NameQuery.Is : lookQuery.NameQuery.Is.ToLower();
query.Add(new TermQuery(new Term(nameField, isText)), BooleanClause.Occur.MUST);
}
}
#endregion
#region DateQuery
if (lookQuery.DateQuery != null)
{
hasQuery = true;
query.Add(new TermQuery(new Term(LookConstants.HasDateField, "1")), BooleanClause.Occur.MUST);
if (lookQuery.DateQuery.After.HasValue || lookQuery.DateQuery.Before.HasValue)
{
var includeLower = lookQuery.DateQuery.After == null || lookQuery.DateQuery.Boundary == DateBoundary.Inclusive || lookQuery.DateQuery.Boundary == DateBoundary.BeforeExclusiveAfterInclusive;
var includeUpper = lookQuery.DateQuery.Before == null || lookQuery.DateQuery.Boundary == DateBoundary.Inclusive || lookQuery.DateQuery.Boundary == DateBoundary.BeforeInclusiveAfterExclusive;
query.Add(
new TermRangeQuery(
LookConstants.DateField,
lookQuery.DateQuery.After.DateToLuceneString() ?? DateTime.MinValue.DateToLuceneString(),
lookQuery.DateQuery.Before.DateToLuceneString() ?? DateTime.MaxValue.DateToLuceneString(),
includeLower,
includeUpper),
BooleanClause.Occur.MUST);
}
}
#endregion
#region TextQuery
if (lookQuery.TextQuery != null)
{
hasQuery = true;
query.Add(new TermQuery(new Term(LookConstants.HasTextField, "1")), BooleanClause.Occur.MUST);
if (!string.IsNullOrWhiteSpace(lookQuery.TextQuery.SearchText))
{
var queryParser = new QueryParser(Lucene.Net.Util.Version.LUCENE_29, LookConstants.TextField, lookQuery.SearchingContext.Analyzer);
Query searchTextQuery = null;
try
{
searchTextQuery = queryParser.Parse(lookQuery.TextQuery.SearchText);
}
catch
{
return(LookResult.Error($"Unable to parse LookQuery.TextQuery.SearchText: '{ lookQuery.TextQuery.SearchText }' into a Lucene query"));
}
if (searchTextQuery != null)
{
query.Add(searchTextQuery, BooleanClause.Occur.MUST);
if (lookQuery.TextQuery.GetHighlight)
{
var queryScorer = new QueryScorer(searchTextQuery.Rewrite(lookQuery.SearchingContext.IndexSearcher.GetIndexReader()));
var highlighter = new Highlighter(new SimpleHTMLFormatter("<strong>", "</strong>"), queryScorer);
getHighlight = (x) =>
{
var tokenStream = lookQuery.SearchingContext.Analyzer.TokenStream(LookConstants.TextField, new StringReader(x));
var highlight = highlighter.GetBestFragments(
tokenStream,
x,
1, // max number of fragments
"...");
return(new HtmlString(highlight));
};
}
}
}
}
#endregion
#region TagQuery
if (lookQuery.TagQuery != null)
{
hasQuery = true;
query.Add(new TermQuery(new Term(LookConstants.HasTagsField, "1")), BooleanClause.Occur.MUST);
// Has
if (lookQuery.TagQuery.Has != null)
{
query.Add(
new TermQuery(new Term(LookConstants.TagsField + lookQuery.TagQuery.Has.Group, lookQuery.TagQuery.Has.Name)),
BooleanClause.Occur.MUST);
}
// Not
if (lookQuery.TagQuery.Not != null)
{
query.Add(
new TermQuery(new Term(LookConstants.TagsField + lookQuery.TagQuery.Not.Group, lookQuery.TagQuery.Not.Name)),
BooleanClause.Occur.MUST_NOT);
}
// HasAll
if (lookQuery.TagQuery.HasAll != null && lookQuery.TagQuery.HasAll.Any())
{
foreach (var tag in lookQuery.TagQuery.HasAll)
{
query.Add(
new TermQuery(new Term(LookConstants.TagsField + tag.Group, tag.Name)),
BooleanClause.Occur.MUST);
}
}
// HasAllOr
if (lookQuery.TagQuery.HasAllOr != null && lookQuery.TagQuery.HasAllOr.Any() && lookQuery.TagQuery.HasAllOr.SelectMany(x => x).Any())
{
var orQuery = new BooleanQuery();
foreach (var tagCollection in lookQuery.TagQuery.HasAllOr)
{
if (tagCollection.Any())
{
var allTagQuery = new BooleanQuery();
foreach (var tag in tagCollection)
{
allTagQuery.Add(
new TermQuery(new Term(LookConstants.TagsField + tag.Group, tag.Name)),
BooleanClause.Occur.MUST);
}
orQuery.Add(allTagQuery, BooleanClause.Occur.SHOULD);
}
}
query.Add(orQuery, BooleanClause.Occur.MUST);
}
// HasAny
if (lookQuery.TagQuery.HasAny != null && lookQuery.TagQuery.HasAny.Any())
{
var anyTagQuery = new BooleanQuery();
foreach (var tag in lookQuery.TagQuery.HasAny)
{
anyTagQuery.Add(
new TermQuery(new Term(LookConstants.TagsField + tag.Group, tag.Name)),
BooleanClause.Occur.SHOULD);
}
query.Add(anyTagQuery, BooleanClause.Occur.MUST);
}
// HasAnyAnd
if (lookQuery.TagQuery.HasAnyAnd != null && lookQuery.TagQuery.HasAnyAnd.Any())
{
foreach (var tagCollection in lookQuery.TagQuery.HasAnyAnd)
{
if (tagCollection.Any())
{
var anyTagQuery = new BooleanQuery();
foreach (var tag in tagCollection)
{
anyTagQuery.Add(
new TermQuery(new Term(LookConstants.TagsField + tag.Group, tag.Name)),
BooleanClause.Occur.SHOULD);
}
query.Add(anyTagQuery, BooleanClause.Occur.MUST);
}
}
}
// NotAny
if (lookQuery.TagQuery.NotAny != null && lookQuery.TagQuery.NotAny.Any())
{
foreach (var tag in lookQuery.TagQuery.NotAny)
{
query.Add(
new TermQuery(new Term(LookConstants.TagsField + tag.Group, tag.Name)),
BooleanClause.Occur.MUST_NOT);
}
}
}
#endregion
#region LocationQuery
if (lookQuery.LocationQuery != null)
{
hasQuery = true;
query.Add(new TermQuery(new Term(LookConstants.HasLocationField, "1")), BooleanClause.Occur.MUST);
if (lookQuery.LocationQuery.Boundary != null) // limit results within an lat lng fixed view (eg, typical map bounds)
{
query.Add(
new TermRangeQuery(
LookConstants.LocationField + "_Latitude",
NumericUtils.DoubleToPrefixCoded(lookQuery.LocationQuery.Boundary.LatitudeMin),
NumericUtils.DoubleToPrefixCoded(lookQuery.LocationQuery.Boundary.LatitudeMax),
true,
true),
BooleanClause.Occur.MUST);
query.Add(
new TermRangeQuery(
LookConstants.LocationField + "_Longitude",
NumericUtils.DoubleToPrefixCoded(lookQuery.LocationQuery.Boundary.LongitudeMin),
NumericUtils.DoubleToPrefixCoded(lookQuery.LocationQuery.Boundary.LongitudeMax),
true,
true),
BooleanClause.Occur.MUST);
}
if (lookQuery.LocationQuery.Location != null) // location set, so can calculate distance
{
double maxDistance = LookService._maxDistance;
if (lookQuery.LocationQuery.MaxDistance != null)
{
maxDistance = Math.Min(lookQuery.LocationQuery.MaxDistance.GetMiles(), maxDistance);
}
var distanceQueryBuilder = new DistanceQueryBuilder(
lookQuery.LocationQuery.Location.Latitude,
lookQuery.LocationQuery.Location.Longitude,
maxDistance,
LookConstants.LocationField + "_Latitude",
LookConstants.LocationField + "_Longitude",
LookConstants.LocationTierFieldPrefix,
true);
filter = distanceQueryBuilder.Filter;
if (lookQuery.SortOn == SortOn.Distance)
{
sort = new Sort(
new SortField(
LookConstants.DistanceField,
new DistanceFieldComparatorSource(distanceQueryBuilder.DistanceFilter)));
}
getDistance = new Func <int, double?>(x =>
{
if (distanceQueryBuilder.DistanceFilter.Distances.ContainsKey(x))
{
return(distanceQueryBuilder.DistanceFilter.Distances[x]);
}
return(null);
});
}
}
#endregion
if (hasQuery)
{
switch (lookQuery.SortOn)
{
case SortOn.Name: // a -> z
sort = new Sort(new SortField(LuceneIndexer.SortedFieldNamePrefix + LookConstants.NameField, SortField.STRING));
break;
case SortOn.DateAscending: // oldest -> newest
sort = new Sort(new SortField(LuceneIndexer.SortedFieldNamePrefix + LookConstants.DateField, SortField.LONG, false));
break;
case SortOn.DateDescending: // newest -> oldest
sort = new Sort(new SortField(LuceneIndexer.SortedFieldNamePrefix + LookConstants.DateField, SortField.LONG, true));
break;
// SortOn.Distance already set (if valid)
}
lookQuery.Compiled = new LookQueryCompiled(
lookQuery,
query,
filter,
sort ?? new Sort(SortField.FIELD_SCORE),
getHighlight,
getDistance);
}
}
if (!hasQuery)
{
return(LookResult.Error("No query clauses supplied")); // empty failure
}
TopDocs topDocs = lookQuery
.SearchingContext
.IndexSearcher
.Search(
lookQuery.Compiled.Query,
lookQuery.Compiled.Filter,
LookService._maxLuceneResults,
lookQuery.Compiled.Sort);
if (topDocs.TotalHits > 0)
{
List <Facet> facets = null;
if (lookQuery.TagQuery != null && lookQuery.TagQuery.FacetOn != null)
{
facets = new List <Facet>();
Query facetQuery = lookQuery.Compiled.Filter != null
? (Query) new FilteredQuery(lookQuery.Compiled.Query, lookQuery.Compiled.Filter)
: lookQuery.Compiled.Query;
// do a facet query for each group in the array
foreach (var group in lookQuery.TagQuery.FacetOn.TagGroups)
{
var simpleFacetedSearch = new SimpleFacetedSearch(
lookQuery.SearchingContext.IndexSearcher.GetIndexReader(),
LookConstants.TagsField + group);
var facetResult = simpleFacetedSearch.Search(facetQuery);
facets.AddRange(
facetResult
.HitsPerFacet
.Select(
x => new Facet()
{
Tags = new LookTag[] { new LookTag(group, x.Name.ToString()) },
Count = Convert.ToInt32(x.HitCount)
}
));
}
}
return(new LookResult(
lookQuery,
topDocs,
facets != null ? facets.ToArray() : new Facet[] { }));
}
return(LookResult.Empty()); // empty success
}
private static void IndexLocation(IndexingContext indexingContext, Document document)
{
if (indexingContext.Cancelled)
{
return;
}
var locationIndexer = LookService.GetLocationIndexer(indexingContext.IndexerName);
if (locationIndexer != null)
{
Location location = null;
try
{
location = locationIndexer(indexingContext);
}
catch (Exception exception)
{
LogHelper.WarnWithException(typeof(LookService), "Error in location indexer", exception);
}
if (location != null)
{
var hasLocationField = new Field(
LookConstants.HasLocationField,
"1",
Field.Store.NO,
Field.Index.NOT_ANALYZED);
var locationField = new Field(
LookConstants.LocationField,
location.ToString(),
Field.Store.YES,
Field.Index.NOT_ANALYZED);
var locationLatitudeField = new Field(
LookConstants.LocationField + "_Latitude",
NumericUtils.DoubleToPrefixCoded(location.Latitude),
Field.Store.YES,
Field.Index.NOT_ANALYZED);
var locationLongitudeField = new Field(
LookConstants.LocationField + "_Longitude",
NumericUtils.DoubleToPrefixCoded(location.Longitude),
Field.Store.YES,
Field.Index.NOT_ANALYZED);
document.Add(hasLocationField);
document.Add(locationField);
document.Add(locationLatitudeField);
document.Add(locationLongitudeField);
foreach (var cartesianTierPlotter in LookService.Instance._cartesianTierPlotters)
{
var boxId = cartesianTierPlotter.GetTierBoxId(location.Latitude, location.Longitude);
var tierField = new Field(
cartesianTierPlotter.GetTierFieldName(),
NumericUtils.DoubleToPrefixCoded(boxId),
Field.Store.YES,
Field.Index.NOT_ANALYZED_NO_NORMS);
document.Add(tierField);
}
}
}
}
private string GetTermText(Term term)
{
var fieldName = term.Field();
var fieldText = term.Text();
if (fieldText == null)
{
return(null);
}
var fieldType = default(IndexValueType);
if (!(LuceneSearchManager?.IndexFieldTypeInfo?.TryGetValue(fieldName, out fieldType) ?? false))
{
switch (fieldName)
{
case "NodeTimestamp":
case "VersionTimestamp":
fieldType = IndexValueType.Long;
break;
default:
var c = fieldText.ToCharArray();
for (var i = 0; i < c.Length; i++)
{
if (c[i] < ' ')
{
c[i] = '.';
}
}
return(new string(c));
}
}
var pt = Providers.Instance.StorageSchema.PropertyTypes[fieldName];
if (pt == null)
{
switch (fieldName)
{
case "CreatedBy":
case "ModifiedBy":
case "Owner":
case "VersionCreatedBy":
case "VersionModifiedBy":
case "Workspace":
fieldType = IndexValueType.Int;
break;
//case "NodeTimestamp":
//case "VersionTimestamp":
// fieldType = IndexValueType.Long;
// break;
}
}
else
{
if (pt.DataType == DataType.Reference)
{
fieldType = IndexValueType.Int;
}
}
string check;
switch (fieldType)
{
case IndexValueType.Bool:
case IndexValueType.String:
case IndexValueType.StringArray:
return(fieldText);
case IndexValueType.Int:
var intValue = NumericUtils.PrefixCodedToInt(fieldText);
check = NumericUtils.IntToPrefixCoded(intValue);
if (check != fieldText)
{
return(null);
}
return(Convert.ToString(intValue, CultureInfo.InvariantCulture));
case IndexValueType.Long:
var longValue = NumericUtils.PrefixCodedToLong(fieldText);
check = NumericUtils.LongToPrefixCoded(longValue);
if (check != fieldText)
{
return(null);
}
return(Convert.ToString(longValue, CultureInfo.InvariantCulture));
case IndexValueType.Float:
var floatValue = NumericUtils.PrefixCodedToFloat(fieldText);
check = NumericUtils.FloatToPrefixCoded(floatValue);
if (check != fieldText)
{
return(null);
}
return(Convert.ToString(floatValue, CultureInfo.InvariantCulture));
case IndexValueType.Double:
var doubleValue = NumericUtils.PrefixCodedToDouble(fieldText);
check = NumericUtils.DoubleToPrefixCoded(doubleValue);
if (check != fieldText)
{
return(null);
}
return(Convert.ToString(doubleValue, CultureInfo.InvariantCulture));
case IndexValueType.DateTime:
var ticksValue = NumericUtils.PrefixCodedToLong(fieldText);
check = NumericUtils.LongToPrefixCoded(ticksValue);
if (check != fieldText)
{
return(null);
}
var d = new DateTime(ticksValue);
if (d.Hour == 0 && d.Minute == 0 && d.Second == 0)
{
return(d.ToString("yyyy-MM-dd"));
}
if (d.Second == 0)
{
return(d.ToString("yyyy-MM-dd HH:mm"));
}
return(d.ToString("yyyy-MM-dd HH:mm:ss"));
default:
throw new NotSupportedException("Unknown IndexFieldType: " + fieldType);
}
}
/// <summary>
/// Used to create the additional search fields
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
internal static void DocumentWriting(object sender, DocumentWritingEventArgs e)
{
if (e.Fields.ContainsKey(LookService.DateField)) // it's storing a date value as a long type
{
if (long.TryParse(e.Fields[LookService.DateField], out long ticks))
{
e.Document.RemoveFields(LookService.DateField);
var dateField = new NumericField(
LookService.DateField,
Field.Store.YES,
false)
.SetLongValue(ticks);
var dateSortedField = new NumericField(
LuceneIndexer.SortedFieldNamePrefix + LookService.DateField,
Field.Store.NO, //we don't want to store the field because we're only using it to sort, not return data
true)
.SetLongValue(ticks);
e.Document.Add(dateField);
e.Document.Add(dateSortedField);
}
}
if (e.Fields.ContainsKey(LookService.NameField))
{
var name = e.Fields[LookService.NameField];
e.Document.RemoveFields(LookService.NameField);
var nameField = new Field(
LookService.NameField,
name,
Field.Store.YES,
Field.Index.NOT_ANALYZED,
Field.TermVector.YES);
var nameSortedField = new Field(
LuceneIndexer.SortedFieldNamePrefix + LookService.NameField,
name.ToLower(),
Field.Store.NO,
Field.Index.NOT_ANALYZED,
Field.TermVector.NO);
e.Document.Add(nameField);
e.Document.Add(nameSortedField);
}
if (e.Fields.ContainsKey(LookService.LocationField))
{
var location = new Location(e.Fields[LookService.LocationField]);
var locationLatitudeField = new Field(
LookService.LocationField + "_Latitude",
NumericUtils.DoubleToPrefixCoded(location.Latitude),
Field.Store.YES,
Field.Index.NOT_ANALYZED);
var locationLongitudeField = new Field(
LookService.LocationField + "_Longitude",
NumericUtils.DoubleToPrefixCoded(location.Longitude),
Field.Store.YES,
Field.Index.NOT_ANALYZED);
e.Document.Add(locationLatitudeField);
e.Document.Add(locationLongitudeField);
foreach (var cartesianTierPlotter in LookService.Instance.CartesianTierPlotters)
{
var boxId = cartesianTierPlotter.GetTierBoxId(location.Latitude, location.Longitude);
var tierField = new Field(
cartesianTierPlotter.GetTierFieldName(),
NumericUtils.DoubleToPrefixCoded(boxId),
Field.Store.YES,
Field.Index.NOT_ANALYZED_NO_NORMS);
e.Document.Add(tierField);
}
}
}