/// <summary>
/// 创建锁的临时有序节点
/// </summary>
/// <param name="zkClient"></param>
/// <param name="path"></param>
/// <returns></returns>
public async virtual Task <string> CreateLockNodeAsync(ZooKeeper zkClient, string path)
{
var ourPath = await zkClient
.RecursionCreateAsync(path, null, ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.EPHEMERAL_SEQUENTIAL);
return(ourPath);
}
private async Task <int> GetOrCreateLeasesNode(string leasesPath, int maxLeases)
{
try
{
var count = await _zkClient.GetDateIntAsync(leasesPath);
if (count != maxLeases)
{
throw new ApplicationException("maxLeases与Zookeeper中现有Semaphore节点数据不一致");
}
return(count);
}
catch (KeeperException.NoNodeException)
{
// 创建Leases节点
var data = Encoding.UTF8.GetBytes(maxLeases.ToString());
await _zkClient.RecursionCreateAsync(leasesPath, data, CreateMode.PERSISTENT);
}
return(maxLeases);
}