public bool StopIndex(string indexNumber)
{
var entity = this.IndexManagerRepository.Queryable()
.Where(x => x.IsDeleted == false && x.IndexNumber == indexNumber.Trim())
.FirstOrDefault();
if (entity == null)
{
return(false);
}
entity.Status = IndexStatus.Stoped;
entity.ModifiedBy = "admin";
entity.ModifiedTime = DateTime.Now;
return(this.IndexManagerRepository.ModifyWithTransection(entity, () =>
{
var key = IndexNameHelper.GetIndexMappingName(entity.ServiceSign, entity.IndexName);
var isSuccess = this.CacheClient.SetCache(key, entity.Status, 173000);
if (!isSuccess)
{
throw new Exception("缓存更新失败");
}
}));
}
/// <summary>
/// 批量添加数据到索引
/// </summary>
/// <typeparam name="T">实体模型类型</typeparam>
/// <param name="index">索引名称</param>
/// <param name="entites">添加的实体模型</param>
public bool BulkIndex <T>(string indexName, params T[] entites) where T : SearchEntityBase
{
var indexMappingName = IndexNameHelper.GetIndexMappingName(SetupConfig.SetupConfig.ServiceSign, indexName);
var status = this.CacheClient.GetCache <IndexOperateStatus>(indexMappingName);
this.IndexOperate.CkeckIndexStatus <T>(status, indexMappingName);
var sizeKey = IndexNameHelper.GetIndexSizeName(SetupConfig.SetupConfig.ServiceSign, indexName);
var indexSize = this.CacheClient.GetCache <int>(sizeKey);
if (indexSize == 0)
{
return(false);
}
var catResponse = this.Client.CatIndices(index => index.Index(indexMappingName).Bytes(Bytes.Mb));
var record = catResponse.Records.FirstOrDefault();
if (record != null)
{
long storeSize;
if (long.TryParse(record.StoreSize, out storeSize))
{
if (storeSize >= indexSize)
{
throw new ElasticsearchException("该索引存储空间已满");
}
var response = this.Client.IndexMany(entites, indexMappingName);
return(response.IsValid);
}
}
return(false);
}
/// <summary>
/// 结构化查询
/// </summary>
/// <typeparam name="T">查询模型类型</typeparam>
/// <typeparam name="TR">查询结果模型类型</typeparam>
/// <param name="searchCondition">查询条件</param>
/// <returns></returns>
public IEnumerable <TR> ExactValueSearch <T, TR>(IExactValueSearchCondition <T, TR> searchCondition)
where T : SearchEntityBase
where TR : class
{
var indexMappingName = IndexNameHelper.GetIndexMappingName(SetupConfig.SetupConfig.ServiceSign, searchCondition.Index);
var status = this.CacheClient.GetCache <IndexOperateStatus>(indexMappingName);
this.IndexOperate.CkeckIndexStatus <T>(status, indexMappingName);
if (searchCondition.Selector == null)
{
throw new ElasticsearchException("index查询异常：未设置查询结果类型转换表达式");
}
var queryContainer = searchCondition.QueryPredicate == null ? new MatchAllQuery()
: searchCondition.QueryPredicate.GetQuery();
var properties = LoadFieldHelper.GetProperty(searchCondition.Selector);
var sourefilter = new SourceFilter()
{
Includes = properties
};
var searchRequest = new SearchRequest <T>(indexMappingName);
searchRequest.Query = new ConstantScoreQuery()
{
Filter = queryContainer
};
searchRequest.Source = new Union <bool, ISourceFilter>(sourefilter);
if (searchCondition.Sort != null && searchCondition.Sort.Count() > 0)
{
searchRequest.Sort = searchCondition.Sort.Select(x => (ISort) new SortField
{
Field = x.Field,
Order = x.isAsc ? SortOrder.Ascending : SortOrder.Descending
}).ToList();
}
searchRequest.Size = searchCondition.SizeNumber;
searchRequest.From = searchCondition.SkipNumber;
var response = this.Client.Search <T>(searchRequest);
if (!response.IsValid)
{
throw new ElasticsearchException("index查询异常：" + response.OriginalException.Message);
}
return(response.Hits.Select(x => x.Source).Select(searchCondition.Selector.Compile()));
}
private void TrySyncData()
{
var query = this.IndexManagerRepository.Queryable().Where(x => x.IsDeleted == false).Select(x => new
{
ServiceSign = x.ServiceSign,
IndexName = x.IndexName,
Status = x.Status,
Size = x.Size,
ExpensionNum = x.ExpensionNum
}).ToList();
foreach (var indexData in query)
{
var indexMappingName = IndexNameHelper.GetIndexMappingName(indexData.ServiceSign, indexData.IndexName);
this.CacheClient.SetCache(indexMappingName, indexData.Status, 173000);
var indexMappingNameForSize = IndexNameHelper.GetIndexSizeName(indexData.ServiceSign, indexData.IndexName);
this.CacheClient.SetCache(indexMappingNameForSize, indexData.Size * (indexData.ExpensionNum + 1), 173000);
}
}
public bool Delete(string indexNumber)
{
var entity = this.IndexManagerRepository.Queryable()
.Where(x => x.IsDeleted == false && x.IndexNumber == indexNumber.Trim())
.FirstOrDefault();
if (entity == null)
{
return(false);
}
entity.Status = IndexStatus.Deleted;
entity.IsDeleted = true;
entity.ModifiedBy = "admin";
entity.ModifiedTime = DateTime.Now;
var indexMappingName = IndexNameHelper.GetIndexMappingName(entity.ServiceSign, entity.IndexName);
var isSuccess = this.IndexManagerRepository.ModifyWithTransection(entity, () =>
{
if (!this.CacheClient.SetCache(indexMappingName, entity.Status, 173000))
{
throw new Exception("缓存更新失败");
}
});
if (isSuccess)
{
new Task(() =>
{
try
{
IndexOperateHelper.RemoveIndex(indexMappingName);
}
catch (Exception)
{
//TODO:
}
}).Start();
}
return(isSuccess);
}
public bool AddIndex(IndexAddParam param, ref string errorMsg)
{
if (this.IsIndexExist(param.ServiceNumber, param.IndexName))
{
errorMsg = $"该服务已存在名称为{param.IndexName}的索引";
return(false);
}
var entity = new IndexManager
{
ServiceNumber = param.ServiceNumber,
ServiceSign = param.ServiceSign,
ShardNumber = param.ShardNum,
Size = param.Size,
Status = IndexStatus.NotStarted,
ExpensionNum = 0,
MaxExpensionNum = param.MaxExpensionNum,
ReplicasNumber = param.ReplicasNum,
IndexName = param.IndexName,
IndexNumber = Guid.NewGuid().ToString("N"),
IsDeleted = false,
CreatedTime = DateTime.Now,
CreatedBy = "admin",
ModifiedTime = DateTime.Now,
ModifiedBy = "admin"
};
return(this.IndexManagerRepository.AddWithTransection(entity, () =>
{
var key = IndexNameHelper.GetIndexMappingName(entity.ServiceSign, entity.IndexName);
var isSucess = this.CacheClient.SetCache(key, entity.Status, 173000);
if (!isSucess)
{
throw new Exception("缓存更新失败");
}
}));
}
/// <summary>
/// 全文检索
/// </summary>
/// <typeparam name="T">查询模型类型</typeparam>
/// <param name="condition">查询条件</param>
/// <returns></returns>
public IEnumerable <T> FullTextSearch <T>(IFullTextSearchCondition <T> condition) where T : SearchEntityBase
{
var indexMappingName = IndexNameHelper.GetIndexMappingName(SetupConfig.SetupConfig.ServiceSign, condition.Index);
var status = this.CacheClient.GetCache <IndexOperateStatus>(indexMappingName);
this.IndexOperate.CkeckIndexStatus <T>(status, indexMappingName);
if (condition.SearchFields == null || condition.SearchFields.Length == 0)
{
throw new ElasticsearchException("全文检索失败：查询字段不能为空");
}
var searchRequest = new SearchRequest <T>(indexMappingName);
searchRequest.Size = condition.SizeNumber;
searchRequest.From = condition.SkipNumber;
var boolQuery = new BoolQuery();
List <QueryContainer> queryContainers = new List <QueryContainer>();
if (condition.SearchFields.Length > 1)
{
queryContainers.Add(new MultiMatchQuery {
Fields = condition.SearchFields, Query = condition.SearchValue
});
}
else
{
queryContainers.Add(new MatchQuery {
Field = condition.SearchFields[0], Query = condition.SearchValue
});
}
boolQuery.Must = queryContainers;
if (condition.FilterPredicate != null)
{
boolQuery.Filter = new List <QueryContainer> {
condition.FilterPredicate.GetQuery()
};
}
searchRequest.Query = boolQuery;
if (condition.Sort != null && condition.Sort.Count() > 0)
{
searchRequest.Sort = condition.Sort.Select(x => (ISort) new SortField
{
Field = x.Field,
Order = x.isAsc ? SortOrder.Ascending : SortOrder.Descending
}).ToList();
}
var highlight = new Highlight();
var dic = new Dictionary <Field, IHighlightField>();
foreach (var field in condition.SearchFields)
{
dic.Add(field, new HighlightField());
}
highlight.Fields = dic;
searchRequest.Highlight = highlight;
var response = Client.Search <T>(searchRequest);
if (!response.IsValid)
{
throw new ElasticsearchException("全文检索失败：" + response.OriginalException.Message);
}
if (condition.IsHighLight)
{
return(response.Hits.Select(x => this.SetHightValue(x.Source, x.Highlights)));
}
return(response.Hits.Select(x => x.Source));
}