/// <summary>
/// A query that matches all documents. Maps to Lucene MatchAllDocsQuery.
/// </summary>
/// <param name="NormField">
/// When indexing, a boost value can either be associated on the document level, or per field.
/// The match all query does not take boosting into account by default. In order to take
/// boosting into account, the norms_field needs to be provided in order to explicitly specify which
/// field the boosting will be done on (Note, this will result in slower execution time).
/// </param>
public QueryContainer MatchAll(double?Boost = null, string NormField = null)
{
var query = new MatchAllQuery()
{
NormField = NormField
};
if (Boost.HasValue)
{
query.Boost = Boost.Value;
}
return(this.New(query, q => q.MatchAllQuery = query));
}
public Task<ISearchResponse<Book>> SearchBookWithAggregation_Aync(string criteria = "", string searchField = "", List<string> refinements = null, int count = 10)
{
Task<ISearchResponse<Book>> tSearch = Task.Factory.StartNew(() =>
{
QueryContainer _query;
if (String.IsNullOrEmpty(criteria))
{
_query = new MatchAllQuery();
}
else
{
if (String.IsNullOrEmpty(searchField))
{
searchField = "_all";
_query = new MatchQuery()
{
Field = searchField,
Query = criteria
};
}
else
{
_query = new TermQuery()
{
Field = searchField,
Value = criteria
};
}
}
SearchRequest searchRequest = new SearchRequest
{
From = 0,
Size = count,
Query = _query
};
if (refinements != null && refinements.Count > 0)
{
var _aggregations = new Dictionary<string, IAggregationContainer>();
foreach (var field in refinements)
{
_aggregations.Add(field, new AggregationContainer
{
Terms = new TermsAggregator
{
Field = field
}
});
}
searchRequest.Aggregations = _aggregations;
}
var qResult = esClient.Search<Book>(searchRequest);
return qResult;
});
return tSearch;
}
public ISearchResponse<Book> SearchBookWithAggregationFilters(string criteria = "", string searchField = "",
List<string> refinements = null,
Dictionary<string,string> SearchFilters = null,
int count = 10)
{
QueryContainer _query;
if (String.IsNullOrEmpty(criteria))
{
_query = new MatchAllQuery();
}
else
{
if (String.IsNullOrEmpty(searchField))
{
searchField = "_all";
_query = new MatchQuery()
{
Field = searchField,
Query = criteria
};
}
else
{
_query = new TermQuery()
{
Field = searchField,
Value = criteria
};
}
}
SearchRequest searchRequest = new SearchRequest
{
From = 0,
Size = count,
Query = _query
};
if (refinements != null && refinements.Count > 0)
{
var _aggregations = new Dictionary<string, IAggregationContainer>();
foreach (var field in refinements)
{
_aggregations.Add(field, new AggregationContainer
{
Terms = new TermsAggregator
{
Field = field
}
});
}
searchRequest.Aggregations = _aggregations;
}
if (SearchFilters != null && SearchFilters.Count > 0)
{
var searchFilterConfig = new FilterContainer();
foreach(var sf in SearchFilters)
{
searchFilterConfig = Filter<Book>.Term( sf.Key, sf.Value );
}
searchRequest.Filter = searchFilterConfig;
}
return esClient.Search<Book>(searchRequest);
}