/// <summary>
/// Deletes a znode
/// </summary>
public void Delete()
{
_path = GetPath(_input1);
try
{
IEnumerable <String> children = Zk.GetChildren(_path, false);
foreach (var child in children)
{
Zk.Delete(_path + "/" + child, -1);
}
Zk.Delete(_path, -1);
AppendLineShow(String.Format("Znode {0} was deleted successfully\n", _input1));
}
catch (KeeperException.NoNodeException e)
{
AppendLineShow(String.Format("Znode {0} does not exist!", _input1));
}
catch (InvalidOperationException e)
{
AppendLineShow(string.Format("Znode {0} isn't valid!", _input1));
}
catch (Exception e)
{
AppendLineShow("Exception " + e);
}
}
public void WaitAtomicAction()
{
// 等待数据库等操作完成
while (true)
{
if (Zk.GetChildren(_root, false).Count() == 1)
{
break;
}
Thread.Sleep(1);
}
}
public List <string> GetChildren(string path, bool watch)
{
List <string> children = null;
try
{
children = Zk.GetChildren(path, watch).ToList();
}
catch (Exception e)
{
log.Error(String.Format("An error occured while trying to get children. Exception: {0}", e.ToString()));
}
return(children);
}
public void Listen()
{
const string pdfPath = "/PDFConverter";
try
{
Zk.GetChildren(pdfPath, true);
AppendLineShow(string.Format("A watch on {0}'s children has been placed.", pdfPath));
}
catch (KeeperException.NoNodeException e)
{
AppendLineShow(String.Format("Znode {0} does not exist!", _input1));
}
catch (InvalidOperationException e)
{
AppendLineShow(string.Format("Znode {0} isn't valid!", _input1));
}
}
/// <summary>
/// Lists the znodes
/// </summary>
public void List()
{
_path = GetPath(_input1);
try
{
var children = Zk.GetChildren(_path, false);
IEnumerable <string> enumerable = children as string[] ?? children.ToArray();
if (enumerable.IsEmpty())
{
AppendLineShow("No members in znode: " + _input1);
}
else
{
AppendLineShow("\n======= Z =======");
foreach (var child in enumerable)
{
Output.Append(child + " ");
}
AppendLineShow("\n");
}
}
catch (KeeperException.NoNodeException e)
{
AppendLineShow("Znode does not exist!");
}
catch (KeeperException.SessionExpiredException e)
{
AppendLineShow("The session expired!");
}
catch (InvalidOperationException e)
{
AppendLineShow("Too many '/'!");
}
}