/// <summary>
/// 搜索
/// </summary>
/// <typeparam name="TResult">结果类型</typeparam>
/// <param name="context">服务</param>
/// <param name="query">查询参数</param>
public static EsSearch <TResult> Search <TResult>(this IElasticsearchContext context, IQueryParameter query)
where TResult : class
{
context.CheckNull(nameof(context));
query.CheckNull(nameof(query));
return(new EsSearch <TResult>(context, query));
}
public Form1(IElasticsearchContext context)
{
_context = context;
_client = _context.GetClient();
InitializeComponent();
DoubleBufferedDataGirdView(dgvTable, true);
dgvTable.ReadOnly = true;
dgvTable.VirtualMode = true;
//dgvTable.RowCount = 10;
}
public EsSearch(IElasticsearchContext context, IQueryParameter query)
{
context.CheckNull(nameof(context));
query.CheckNull(nameof(query));
_context = context;
_queryParam = query;
_sorts = new List <ISort>();
_includeFields = new List <Field>();
_excludeFields = new List <Field>();
_query = new EsQuery <TResult>();
}
/// <summary>
/// 查询。单一条件查询，一般是精确查询
/// </summary>
/// <typeparam name="TDocument">文档类型</typeparam>
/// <param name="context">ES上下恩</param>
/// <param name="field">字段名</param>
/// <param name="value">值</param>
/// <param name="index">索引名称。注意：必须小写</param>
/// <param name="cancellationToken">取消令牌</param>
public static async Task <IEnumerable <TDocument> > SearchAsync <TDocument>(this IElasticsearchContext context, string field, object value, string index = null, CancellationToken cancellationToken = default)
where TDocument : class
{
if (field.IsEmpty())
{
throw new ArgumentNullException(nameof(field));
}
index = context.GetIndexName(Helper.SafeIndexName <TDocument>(index));
var descriptor = new SearchDescriptor <TDocument>();
descriptor.Index(index)
.PostFilter(f => f.Term(x => x.Field(field).Value(value)));
Func <SearchDescriptor <TDocument>, ISearchRequest> selector = x => descriptor;
var response = await context.SearchAsync(selector, cancellationToken);
return(response.Documents);
}
/// <summary>
/// 初始化一个<see cref="EsRepository{TEntity}"/>类型的实例
/// </summary>
/// <param name="context">ES上下文</param>
public EsRepository(IElasticsearchContext context)
{
Context = context ?? throw new ArgumentNullException(nameof(context));
_client = Context.GetClient();
IndexName = Helper.SafeIndexName <TEntity>(IndexName);
}
public SampleContext(IFreeSql orm, IElasticsearchContext context)
{
Orm = orm;
ESContext = context;
}
