public async static Task <StoreInfo> GetHashStoreInfo(IStoreInfoResolveService storeInfoResolveService, IHashGroupRepositoryCacheProxy hashGroupRepositoryCacheProxy, string hashGroupName, params string[] keys)
{
//var helper = HashGroupRepositoryHelperFactory.Create(hashGroupRepository);
var group = await hashGroupRepositoryCacheProxy.QueryByName(hashGroupName);
if (group == null)
{
var fragment = new TextFragment()
{
Code = TextCodes.NotFoundHashGroupByName,
DefaultFormatting = "没有找到名称为{0}的一致性哈希组",
ReplaceParameters = new List <object>()
{
hashGroupName
}
};
throw new UtilityException((int)Errors.NotFoundHashGroupByName, fragment);
}
//获取前缀的哈希节点关键字,
var strKey = await group.GetHashNodeKey(string.Join(".", keys), 1, 2, 3);
//解析关键字为服务器信息和数据表信息
var storeResult = await storeInfoResolveService.Execute(strKey);
return(storeResult);
}
public async static Task <List <StoreInfo> > GetHashStoreInfos(IStoreInfoResolveService storeInfoResolveService, IHashGroupRepositoryCacheProxy hashGroupRepositoryCacheProxy, string hashGroupName)
{
List <StoreInfo> result = new List <StoreInfo>();
var group = await hashGroupRepositoryCacheProxy.QueryByName(hashGroupName);
if (group == null)
{
var fragment = new TextFragment()
{
Code = TextCodes.NotFoundHashGroupByName,
DefaultFormatting = "没有找到名称为{0}的一致性哈希组",
ReplaceParameters = new List <object>()
{
hashGroupName
}
};
throw new UtilityException((int)Errors.NotFoundHashGroupByName, fragment);
}
//获取组下面的所有节点
await group.GetHashRealNode(async (node) =>
{
var strKey = node.NodeKey;
//解析关键字为服务器信息和数据表信息
var storeResult = await storeInfoResolveService.Execute(strKey);
result.Add(storeResult);
});
return(result);
}
public async Task <StoreGroupMember> ChooseMember(StoreGroup group, params string[] keys)
{
//需要在HashGroup中存在名称为StoreFroup-{group.Name}的哈希组
string hashGroupName = $"StoreFroup-{group.Name}";
var hashGroup = await _hashGroupRepositoryCacheProxy.QueryByName(hashGroupName);
if (group == null)
{
var fragment = new TextFragment()
{
Code = TextCodes.NotFoundHashGroupByName,
DefaultFormatting = "没有找到名称为{0}的一致性哈希组",
ReplaceParameters = new List <object>()
{
hashGroupName
}
};
throw new UtilityException((int)Errors.NotFoundHashGroupByName, fragment);
}
//从哈希组获取实际节点信息，节点信息为MemberName
var memberName = await hashGroup.GetHashNodeKey(string.Join(".", keys), 1, 2, 3);
var member = await getMember(group.ID, memberName);
if (member == null)
{
var fragment = new TextFragment()
{
Code = TextCodes.NotFounStoreGroupMemberByName,
DefaultFormatting = "在id为{0}的存储组中找不到名称为{1}的组成员",
ReplaceParameters = new List <object>()
{
group.ID.ToString(), memberName
}
};
throw new UtilityException((int)Errors.NotFounStoreGroupMemberByName, fragment);
}
return(member);
}