/// <summary>按多个完全匹配条件搜索</summary>
public virtual async Task <MatchResult[]> MatchManyAsync(MatchRequest[] requests)
{
var _provider = new SearchProvider <Metadata>();
MultiSearchDescriptor multiSearchDescriptor = new MultiSearchDescriptor();
for (int i = 0; i < requests.Length; i++)
{
var request = requests[i];
var filterQuery = _provider.BuildFilterQuery(request.Filter);
var sort = _provider.BuildSort(request.Sort);
var fields = _provider.BuildFields(request.Fields);
var from = 0;
var size = request.Top;
var searchDescriptor = _esAccess.BuildSearchDescriptor(filterQuery, sort, fields, null, from, size);
multiSearchDescriptor.Search <Metadata>("search" + i, s => searchDescriptor);
}
List <MatchResult> result = new List <MatchResult>();
var searchResponse = await _esAccess.MultiSearch(multiSearchDescriptor);
foreach (var responseItem in searchResponse.AllResponses)
{
var metadata = responseItem as ISearchResponse <Metadata>;
if (metadata != null)
{
result.Add(metadata.ToMetadataCollection <MatchResult>());
}
;
}
return(await Task.FromResult(result.ToArray()));
}
/// <summary>按完全匹配条件搜索</summary>
public virtual async Task <MatchResult> MatchAsync(MatchRequest request)
{
var _provider = new SearchProvider <Metadata>();
var filterQuery = _provider.BuildFilterQuery(request.Filter);
var sort = _provider.BuildSort(request.Sort);
var fields = _provider.BuildFields(request.Fields);
var from = 0;
var size = request.Top;
var searchresponse = await _esAccess.PagingQueryAsync(filterQuery, sort, fields, null, from, size);
var response = searchresponse.ToMetadataCollection <MatchResult>();
return(await Task.FromResult(response));
}
/// <summary>按短语搜索</summary>
public virtual async Task <SearchResult> SearchAsync(SearchRequest request)
{
var _provider = new SearchProvider <Metadata>();
var filterQuery = _provider.BuildFilterQuery(request.Filter);
// var fulltextQuery = _provider.BuildFullTextQuery(request.Sentence, request.Ranks);
var fulltextQuery = _provider.BuildCustomScoreQuery(request.Sentence, request.Boost);
var query = _provider.CombineMustQuery(filterQuery, fulltextQuery);
var sort = _provider.BuildSort(request.Sort);
var aggs = _provider.BuildAggs(request.Group);
var fields = _provider.BuildFields(request.Fields);
var from = request.From;
var size = request.Size;
var searchresponse = await _esAccess.PagingQueryAsync(query, sort, fields, aggs, from, size);
var response = searchresponse.ToMetadataCollection();
if (searchresponse.Aggregations.Count <= 0)
{
return(await Task.FromResult(response));
}
var groups = new Dictionary <string, Dictionary <string, long?> >();
foreach (var agg in searchresponse.Aggregations)
{
var aggregates = agg.Value.As <BucketAggregate>().Items;
Dictionary <string, long?> dic = new Dictionary <string, long?>();
foreach (var aggregate in aggregates)
{
var keyedBucket = aggregate as Nest.KeyedBucket <object>;
if (keyedBucket != null)
{
dic.Add(keyedBucket.Key.ToString(), keyedBucket.DocCount);
}
}
groups.Add(agg.Key, dic);
}
response.Groups = groups;
return(await Task.FromResult(response));
}
/// <summary>根据iiid数组搜索</summary>
public virtual async Task <MetadataCollection> GetMetadatasAsync(SearchMetadatasRequest request)
{
var provider = new SearchProvider <Metadata>();
var termQuery = new TermsQuery {
Field = "iiid.keyword", Terms = request.IIIds
};
var query = new BoolQuery()
{
Must = new List <QueryContainer> {
termQuery
}
};
var fields = provider.BuildFields(request.Fields);
var from = 0;
var size = request.IIIds.Count;
var searchresponse = await _esAccess.PagingQueryAsync(query, null, fields, null, from, size);
var response = new MetadataCollection(searchresponse.Documents);
return(await Task.FromResult(response));
}
/// <summary>根据iiid搜索</summary>
public virtual async Task <Metadata> GetMetadataAsync(SearchMetadataRequest request)
{
var provider = new SearchProvider <Metadata>();
var termQuery = new TermQuery {
Field = "iiid.keyword", Value = request.IIId
};
var query = new BoolQuery()
{
Must = new List <QueryContainer> {
termQuery
}
};
var fields = provider.BuildFields(request.Fields);
var from = 0;
var size = 1;
var searchresponse = await _esAccess.PagingQueryAsync(query, null, fields, null, from, size);
var response = searchresponse.Documents.FirstOrDefault();
return(await Task.FromResult(response));
}