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From: Scott Blum <dragonsinth@gmail.com>
Date: Fri, 15 Jul 2016 17:03:08 -0400
Message-ID: <CALuNCphr=c49Z+MEWu+P7JHeNZCTywdPObayRnC=W=8ekS-BVw@mail.gmail.com>
Subject: Re: PathChildrenCache creates the node if not present
To: user@curator.apache.org, cammckenzie@apache.org
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archived-at: Fri, 15 Jul 2016 21:03:15 -0000

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TreeCache is read-only unless you specifically ask it to create the root
node.  Use depth=1 to watch only a single node.

On Thu, Jul 14, 2016 at 5:46 PM, Cameron McKenzie <cammckenzie@apache.org>
wrote:

> I don't have the code handy, but have you tried TreeCache?
>
> On 14 Jul 2016 11:31 PM, "Alvaro Gareppe" <agareppe@gmail.com> wrote:
>
>> Is there a way to avoid the node creation on PathChildrenCache start() ?
>>
>> I have this case
>>
>> 1.- There is no node in ZK
>> 2.- I do this:
>>          cp = new PathChildrenCache(conn, "/a",
>> PathChildrenCache.CACHE_PATH_ONLY);
>>          cp.start()
>> 3.- now I have a node /a in ZK
>>
>> Im using the pathCache in a different thread (and possibly different
>> server) of the node creation, so I would like to have an option where the
>> node is not created, so it does nothing or throws and exception in that
>> case (both works for me).
>>
>> Is there some way to configure the PathChildrenCache to do so ?
>>
>> I'm using curator version: 2.9.1
>>
>> --
>> Ing. Alvaro Gareppe
>> agareppe@gmail.com
>>
>

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<div dir=3D"ltr">TreeCache is read-only unless you specifically ask it to c=
reate the root node.=C2=A0 Use depth=3D1 to watch only a single node.</div>=
<div class=3D"gmail_extra"><br><div class=3D"gmail_quote">On Thu, Jul 14, 2=
016 at 5:46 PM, Cameron McKenzie <span dir=3D"ltr">&lt;<a href=3D"mailto:ca=
mmckenzie@apache.org" target=3D"_blank">cammckenzie@apache.org</a>&gt;</spa=
n> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;b=
order-left:1px #ccc solid;padding-left:1ex"><p dir=3D"ltr">I don&#39;t have=
 the code handy, but have you tried TreeCache?</p><div class=3D"HOEnZb"><di=
v class=3D"h5">
<div class=3D"gmail_extra"><br><div class=3D"gmail_quote">On 14 Jul 2016 11=
:31 PM, &quot;Alvaro Gareppe&quot; &lt;<a href=3D"mailto:agareppe@gmail.com=
" target=3D"_blank">agareppe@gmail.com</a>&gt; wrote:<br type=3D"attributio=
n"><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left=
:1px #ccc solid;padding-left:1ex"><div dir=3D"ltr">Is there a way to avoid =
the node creation on PathChildrenCache start() ?<div><br></div><div>I have =
this case</div><div><br></div><div>1.- There is no node in ZK</div><div>2.-=
 I do this:</div><div>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0cp =3D new PathChil=
drenCache(conn, &quot;/a&quot;, PathChildrenCache.CACHE_PATH_ONLY);</div><d=
iv>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0cp.start()</div><div>3.- now I have a =
node /a in ZK</div><div><br></div><div>Im using the pathCache in a differen=
t thread (and possibly different server) of the node creation, so I would l=
ike to have an option where the node is not created, so it does nothing or =
throws and exception in that case (both works for me).</div><div><br></div>=
<div>Is there some way to configure the PathChildrenCache to do so ?</div><=
div><br></div><div>I&#39;m using curator version: 2.9.1</div><div><div><br>=
</div>-- <br><div data-smartmail=3D"gmail_signature">Ing. Alvaro Gareppe<br=
><a href=3D"mailto:agareppe@gmail.com" target=3D"_blank">agareppe@gmail.com=
</a></div>
</div></div>
</blockquote></div></div>
</div></div></blockquote></div><br></div>

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