private Query CreateRangeQuery(IFieldMappingInfo mapping, QueryType queryType, LuceneQueryPredicateExpression lowerBoundExpression, LuceneQueryPredicateExpression upperBoundExpression)
{
var lowerRange = RangeType.Inclusive;
var upperRange = (queryType == QueryType.LessThan || queryType == QueryType.GreaterThan) ? RangeType.Exclusive : RangeType.Inclusive;
if (upperBoundExpression == null)
{
lowerRange = upperRange;
upperRange = RangeType.Inclusive;
}
if (mapping.IsNumericField)
{
var lowerBound = lowerBoundExpression == null ? null : EvaluateExpression(lowerBoundExpression);
var upperBound = upperBoundExpression == null ? null : EvaluateExpression(upperBoundExpression);
return(NumericRangeUtils.CreateNumericRangeQuery(mapping.FieldName, (ValueType)lowerBound, (ValueType)upperBound, lowerRange, upperRange));
}
else
{
var minInclusive = lowerRange == RangeType.Inclusive;
var maxInclusive = upperRange == RangeType.Inclusive;
var lowerBound = lowerBoundExpression == null ? null : EvaluateExpressionToStringAndAnalyze(lowerBoundExpression, mapping);
var upperBound = upperBoundExpression == null ? null : EvaluateExpressionToStringAndAnalyze(upperBoundExpression, mapping);
return(new TermRangeQuery(mapping.FieldName, lowerBound, upperBound, minInclusive, maxInclusive));
}
}
private string GetPattern(LuceneQueryPredicateExpression expression, IFieldMappingInfo mapping)
{
var pattern = EvaluateExpressionToString(expression, mapping);
switch (expression.QueryType)
{
case QueryType.Prefix:
pattern += "*";
break;
case QueryType.Wildcard:
pattern = "*" + pattern + "*";
break;
case QueryType.Suffix:
pattern = "*" + pattern;
break;
}
if (expression.Fuzzy.HasValue)
{
pattern += string.Format(
CultureInfo.InvariantCulture,
"~{0}",
expression.Fuzzy.Value);
}
return(pattern);
}
public Query Parse(IFieldMappingInfo mapping, string pattern)
{
var queryParser = new QueryParser(context.Version, mapping.FieldName, context.Analyzer);
queryParser.AllowLeadingWildcard = true;
queryParser.LowercaseExpandedTerms = !mapping.CaseSensitive;
var query = queryParser.Parse(pattern);
return query;
}
private Query CreateRangeQuery(IFieldMappingInfo mapping, QueryType lowerQueryType, Expression lowerBoundExpression, QueryType upperQueryType, Expression upperBoundExpression)
{
var lowerBound = lowerBoundExpression == null ? null : EvaluateExpression(lowerBoundExpression);
var upperBound = upperBoundExpression == null ? null : EvaluateExpression(upperBoundExpression);
var lowerRange = (lowerQueryType == QueryType.LessThan || lowerQueryType == QueryType.GreaterThan) ? RangeType.Exclusive : RangeType.Inclusive;
var upperRange = (upperQueryType == QueryType.LessThan || upperQueryType == QueryType.GreaterThan) ? RangeType.Exclusive : RangeType.Inclusive;
return(mapping.CreateRangeQuery(lowerBound, upperBound, lowerRange, upperRange));
}
private FieldComparatorSource GetCustomSort(IFieldMappingInfo fieldMappingInfo)
{
var propertyType = fieldMappingInfo.PropertyInfo.PropertyType;
if (typeof(IComparable).IsAssignableFrom(propertyType))
{
return(new ConvertableFieldComparatorSource(propertyType, fieldMappingInfo.Converter));
}
throw new NotSupportedException("Unsupported sort field type (does not implement IComparable): " + propertyType);
}
public Query Parse(IFieldMappingInfo mapping, string pattern)
{
var queryParser = new QueryParser(context.Version, mapping.FieldName, context.Analyzer);
queryParser.AllowLeadingWildcard = true;
queryParser.LowercaseExpandedTerms = !mapping.CaseSensitive;
var query = queryParser.Parse(pattern);
return(query);
}
private object GetFieldValue(IFieldMappingInfo fieldMapper, Document document)
{
var fieldConverter = fieldMapper as IDocumentFieldConverter;
if (fieldConverter == null)
{
throw new NotSupportedException(
string.Format("The field mapping of type {0} for field {1} must implement {2}.",
fieldMapper.GetType(), fieldMapper.FieldName, typeof(IDocumentFieldConverter)));
}
return(fieldConverter.GetFieldValue(document));
}
public void SetUp()
{
mappingInfo = MockRepository.GenerateStub <IFieldMappingInfoProvider>();
transformer = new QueryModelTranslator(new Context(new RAMDirectory(), new WhitespaceAnalyzer(), Version.LUCENE_29, null, new object()), mappingInfo);
numericMappingInfo = MockRepository.GenerateStub <IFieldMappingInfo>();
numericMappingInfo.Stub(i => i.IsNumericField).Return(true);
numericMappingInfo.Stub(i => i.SortFieldType).Return(SortField.LONG);
nonNumericMappingInfo = MockRepository.GenerateStub <IFieldMappingInfo>();
nonNumericMappingInfo.Stub(i => i.IsNumericField).Return(false);
nonNumericMappingInfo.Stub(i => i.SortFieldType).Return(SortField.STRING);
}
public void SetUp()
{
mappingInfo = MockRepository.GenerateStub<IFieldMappingInfoProvider>();
transformer = new QueryModelTranslator(new Context(new RAMDirectory(), new WhitespaceAnalyzer(), Version.LUCENE_29, null, new object()), mappingInfo);
numericMappingInfo = MockRepository.GenerateStub<IFieldMappingInfo>();
numericMappingInfo.Stub(i => i.IsNumericField).Return(true);
numericMappingInfo.Stub(i => i.SortFieldType).Return(SortField.LONG);
nonNumericMappingInfo = MockRepository.GenerateStub<IFieldMappingInfo>();
nonNumericMappingInfo.Stub(i => i.IsNumericField).Return(false);
nonNumericMappingInfo.Stub(i => i.SortFieldType).Return(SortField.STRING);
}
private Query CreateRangeQuery(IFieldMappingInfo mapping, QueryType queryType, LuceneQueryPredicateExpression lowerBoundExpression, LuceneQueryPredicateExpression upperBoundExpression)
{
var lowerBound = lowerBoundExpression == null ? null : EvaluateExpression(lowerBoundExpression);
var upperBound = upperBoundExpression == null ? null : EvaluateExpression(upperBoundExpression);
var lowerRange = RangeType.Inclusive;
var upperRange = (queryType == QueryType.LessThan || queryType == QueryType.GreaterThan) ? RangeType.Exclusive : RangeType.Inclusive;
if (upperBoundExpression == null)
{
lowerRange = upperRange;
upperRange = RangeType.Inclusive;
}
return(mapping.CreateRangeQuery(lowerBound, upperBound, lowerRange, upperRange));
}
private string GetPattern(LuceneQueryPredicateExpression expression, IFieldMappingInfo mapping)
{
var pattern = EvaluateExpressionToString(expression, mapping);
switch (expression.QueryType)
{
case QueryType.Prefix:
pattern += "*";
break;
case QueryType.Wildcard:
pattern = "*" + pattern + "*";
break;
case QueryType.Suffix:
pattern = "*" + pattern;
break;
}
return(pattern);
}
private string EvaluateExpressionToString(LuceneQueryPredicateExpression expression, IFieldMappingInfo mapping)
{
var result = EvaluateExpression(expression);
var str = mapping == null?result.ToString() : mapping.ConvertToQueryExpression(result);
if (expression.AllowSpecialCharacters)
{
return(str);
}
return(mapping != null?mapping.EscapeSpecialCharacters(str) : str);
}
private string EvaluateExpressionToString(LuceneQueryPredicateExpression expression, IFieldMappingInfo mapping)
{
var result = EvaluateExpression(expression);
var str = mapping == null ? result.ToString() : mapping.ConvertToQueryExpression(result);
if (expression.AllowSpecialCharacters)
return str;
return mapping != null ? mapping.EscapeSpecialCharacters(str) : str;
}
private string GetPattern(LuceneQueryPredicateExpression expression, IFieldMappingInfo mapping)
{
var pattern = EvaluateExpressionToString(expression, mapping);
switch (expression.QueryType)
{
case QueryType.Prefix:
pattern += "*";
break;
case QueryType.Wildcard:
pattern = "*" + pattern + "*";
break;
case QueryType.Suffix:
pattern = "*" + pattern;
break;
}
return pattern;
}
private Query CreateRangeQuery(IFieldMappingInfo mapping, QueryType queryType, LuceneQueryPredicateExpression lowerBoundExpression, LuceneQueryPredicateExpression upperBoundExpression)
{
var lowerBound = lowerBoundExpression == null ? null : EvaluateExpression(lowerBoundExpression);
var upperBound = upperBoundExpression == null ? null : EvaluateExpression(upperBoundExpression);
var lowerRange = RangeType.Inclusive;
var upperRange = (queryType == QueryType.LessThan || queryType == QueryType.GreaterThan) ? RangeType.Exclusive : RangeType.Inclusive;
if (upperBoundExpression == null)
{
lowerRange = upperRange;
upperRange = RangeType.Inclusive;
}
return mapping.CreateRangeQuery(lowerBound, upperBound, lowerRange, upperRange);
}
private Query CreateRangeQuery(IFieldMappingInfo mapping, QueryType lowerQueryType, Expression lowerBoundExpression, QueryType upperQueryType, Expression upperBoundExpression)
{
var lowerBound = lowerBoundExpression == null ? null : EvaluateExpression(lowerBoundExpression);
var upperBound = upperBoundExpression == null ? null : EvaluateExpression(upperBoundExpression);
var lowerRange = (lowerQueryType == QueryType.LessThan || lowerQueryType == QueryType.GreaterThan) ? RangeType.Exclusive : RangeType.Inclusive;
var upperRange = (upperQueryType == QueryType.LessThan || upperQueryType == QueryType.GreaterThan) ? RangeType.Exclusive : RangeType.Inclusive;
return mapping.CreateRangeQuery(lowerBound, upperBound, lowerRange, upperRange);
}
private Query CreateRangeQuery(IFieldMappingInfo mapping, QueryType queryType, LuceneQueryPredicateExpression lowerBoundExpression, LuceneQueryPredicateExpression upperBoundExpression)
{
var lowerRange = RangeType.Inclusive;
var upperRange = (queryType == QueryType.LessThan || queryType == QueryType.GreaterThan) ? RangeType.Exclusive : RangeType.Inclusive;
if (upperBoundExpression == null)
{
lowerRange = upperRange;
upperRange = RangeType.Inclusive;
}
if (mapping.IsNumericField)
{
var lowerBound = lowerBoundExpression == null ? null : EvaluateExpression(lowerBoundExpression);
var upperBound = upperBoundExpression == null ? null : EvaluateExpression(upperBoundExpression);
return NumericRangeUtils.CreateNumericRangeQuery(mapping.FieldName, (ValueType)lowerBound, (ValueType)upperBound, lowerRange, upperRange);
}
else
{
var minInclusive = lowerRange == RangeType.Inclusive;
var maxInclusive = upperRange == RangeType.Inclusive;
var lowerBound = lowerBoundExpression == null ? null : EvaluateExpressionToStringAndAnalyze(lowerBoundExpression, mapping);
var upperBound = upperBoundExpression == null ? null : EvaluateExpressionToStringAndAnalyze(upperBoundExpression, mapping);
return new TermRangeQuery(mapping.FieldName, lowerBound, upperBound, minInclusive, maxInclusive);
}
}
private string GetPattern(LuceneQueryPredicateExpression expression, IFieldMappingInfo mapping)
{
var pattern = EvaluateExpressionToString(expression, mapping);
switch (expression.QueryType)
{
case QueryType.Prefix:
pattern += "*";
break;
case QueryType.Wildcard:
pattern = "*" + pattern + "*";
break;
case QueryType.Suffix:
pattern = "*" + pattern;
break;
}
if (expression.Fuzzy.HasValue)
{
pattern += string.Format(
CultureInfo.InvariantCulture,
"~{0}",
expression.Fuzzy.Value);
}
return pattern;
}
private string EvaluateExpressionToStringAndAnalyze(LuceneQueryPredicateExpression expression, IFieldMappingInfo mapping)
{
return(context.Analyzer.Analyze(mapping.FieldName, EvaluateExpressionToString(expression, mapping)));
}
private string EvaluateExpressionToStringAndAnalyze(LuceneQueryPredicateExpression expression, IFieldMappingInfo mapping)
{
return context.Analyzer.Analyze(mapping.FieldName, EvaluateExpressionToString(expression, mapping));
}
