/// <summary>
/// 获取ES客户端
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="state"></param>
/// <returns></returns>
public ElasticsearchClient GetElasticsearch <T>(DateTime?state = null) where T : class
{
var type = typeof(T);
var elasticsearch = new ElasticsearchClient();
elasticsearch.RelationName = type.GetRelationName();
elasticsearch.IndiceName = type.GetIndicesName(state ?? DateTime.Now);
if (elasticsearch.IndiceName.IsNullOrEmpty())
{
throw new ElasticsearchException("索引名称不可为空");
}
if (ElasticsearchClient.ElasticClient == null)
{
ElasticsearchClient.ElasticClient = new ElasticClient(_options.ConnectionSettings);//.DefaultMappingFor<T>(s => s.IndexName(elasticsearch.indiceName)));
}
//elasticsearch.elasticClient = new ElasticClient(_options.ConnectionSettings.DefaultIndex(elasticsearch.indiceName));
if (!elasticsearch.ExistsIndices(elasticsearch.IndiceName))
{
if (!type.IsAutoCreate())
{
throw new ElasticsearchException("索引不存在");
}
var create = ElasticsearchClient.ElasticClient.Indices.Create(
elasticsearch.IndiceName,
i => i.Settings(s =>
s.NumberOfShards(_options.NumberOfShards)
.NumberOfReplicas(_options.NumberOfReplicas))
.Map <T>(m =>
{
m = m.AutoMap();
if (type.IsDynamic())
{
m = m.Dynamic(true);
}
return(m);
}));
if (!create.IsValid)
{
throw new ElasticsearchException(create.ServerError.Error.Reason, create.DebugInformation);
}
}
if (elasticsearch.RelationName != elasticsearch.IndiceName)
{
elasticsearch.CreateAlias(elasticsearch.RelationName, true);
}
return(elasticsearch);
}