public override void UpdateIndexes <T>(IMongoIndexManager <T> indexes)
{
if (!indexesUpdated)
{
lock (IndexLock)
{
if (!indexesUpdated)
{
var index = indexes.CreateOneAsync(Builders <T> .IndexKeys.Ascending("HospitalId")).Result;
index = indexes.CreateOneAsync(Builders <T> .IndexKeys.Ascending("Name")).Result;
indexesUpdated = true;
}
}
}
}
/// <summary>
/// 更新索引
/// </summary>
/// <param name="collection">集合名</param>
/// <param name="index">索引键</param>
/// <param name="asc"></param>
/// <returns></returns>
public async Task <string> UpdateIndexAsync(string collection, string index, bool asc = true)
{
IMongoIndexManager <BsonDocument> mgr = Database.GetCollection <BsonDocument>(collection).Indexes;
return(await mgr.CreateOneAsync(new CreateIndexModel <BsonDocument>(asc
? Builders <BsonDocument> .IndexKeys.Ascending(doc => doc[index])
: Builders <BsonDocument> .IndexKeys.Descending(doc => doc[index]))));
}
/// <summary>
/// 更新索引
/// </summary>
/// <param name="collection">集合名</param>
/// <param name="key"></param>
/// <param name="asc"></param>
/// <returns></returns>
public async Task <string> UpdateIndexAsync <T>(string collection, Expression <Func <T, object> > key,
bool asc = true)
{
IMongoIndexManager <T> mgr = Database.GetCollection <T>(collection).Indexes;
return(await mgr.CreateOneAsync(
new CreateIndexModel <T>(asc
? Builders <T> .IndexKeys.Ascending(key)
: Builders <T> .IndexKeys.Descending(key))));
}
/// <summary>
/// 创建索引
/// </summary>
/// <param name="collection">集合名</param>
/// <param name="index">索引键</param>
/// <param name="key"></param>
/// <param name="asc"></param>
/// <returns></returns>
public async Task <string> CreateIndexAsync <T>(string collection, string index, Expression <Func <T, object> > key, bool asc = true)
{
IMongoIndexManager <T> mgr = Database.GetCollection <T>(collection).Indexes;
var list = mgr.List();
while (list.MoveNext())
{
if (!list.Current.Any(doc => doc["name"].AsString.StartsWith(index)))
{
return(await mgr.CreateOneAsync(new CreateIndexModel <T>(asc ? Builders <T> .IndexKeys.Ascending(key) : Builders <T> .IndexKeys.Descending(key))));
}
}
return(String.Empty);
}
/// <summary>
/// 创建索引
/// </summary>
/// <param name="collection">集合名</param>
/// <param name="index">索引键</param>
/// <param name="asc"></param>
/// <returns></returns>
public async Task <string> CreateIndexAsync(string collection, string index, bool asc = true)
{
IMongoIndexManager <BsonDocument> mgr = Database.GetCollection <BsonDocument>(collection).Indexes;
var list = mgr.List();
while (list.MoveNext())
{
if (!list.Current.Any(doc => doc["name"].AsString.StartsWith(index)))
{
return(await mgr.CreateOneAsync(new CreateIndexModel <BsonDocument>(asc ? Builders <BsonDocument> .IndexKeys.Ascending(doc => doc[index]) : Builders <BsonDocument> .IndexKeys.Descending(doc => doc[index]))));
}
}
return(string.Empty);
}