<div dir="ltr">Regardless of single threaded or multi threaded it will be good if the engine has journaling and state persistence <br><div class="gmail_extra"><br clear="all"><div><div dir="ltr"><div><span style="font-family:'arial narrow',sans-serif">--</span></div>
<span style="font-family:'arial narrow',sans-serif">Suminda Sirinath Salpitikorala Dharmasena</span><span style="font-family:'arial narrow',sans-serif">, B.Sc. Comp. & I.S. (Hon.) Lond., P.G.Dip. Ind. Maths. J'Pura, MIEEE, MACM</span><span style="font-family:'arial narrow',sans-serif"> </span><span style="font-family:'arial narrow',sans-serif">▣ </span><b style="font-family:'arial narrow',sans-serif"><i>Address</i></b><span style="font-family:'arial narrow',sans-serif">: 6G • 1st Lane • Pagoda Road • Nugegoda 10250 • Sri Lanka. </span><span style="font-family:'arial narrow',sans-serif">▣ </span><b style="font-family:'arial narrow',sans-serif"><i>Mobile</i></b><span style="font-family:'arial narrow',sans-serif">: +94-(0)711007945</span><span style="font-family:'arial narrow',sans-serif"> </span><span style="font-family:'arial narrow',sans-serif">▣ <b><i>Office</i></b></span><span style="font-family:'arial narrow',sans-serif">: +94-(0) 11 2 199766 </span><span style="font-family:'arial narrow',sans-serif">▣ <b><i>Home Office</i></b></span><span style="font-family:'arial narrow',sans-serif">: +94-(0)</span><span style="font-family:'arial narrow',sans-serif">11-</span><span style="font-family:'arial narrow',sans-serif">5 875614</span><span style="font-family:'arial narrow',sans-serif"> </span><span style="font-family:'arial narrow',sans-serif">▣ </span><b style="font-family:'arial narrow',sans-serif"><i>Home</i></b><span style="font-family:'arial narrow',sans-serif">: +94-(0)11-5 864614 / 2 825908 ▣ <b><i>Web</i></b>: <a href="http://www.sakrio.com/" target="_blank" rel="nofollow" link="external">http://www.sakrio.com</a> </span><span style="font-family:'arial narrow',sans-serif">▣</span><div dir="ltr">
<span style="font-family:'arial narrow',sans-serif">--</span><br></div></div></div>
<br><br><div class="gmail_quote">On 7 October 2013 16:21, jknehr [via Drools] <span dir="ltr"><<a href="/user/SendEmail.jtp?type=node&node=4026280&i=0" target="_top" rel="nofollow" link="external">[hidden email]</a>></span> wrote:<br>
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If your rules are deterministic (single threaded), this is easily accomplished by replaying the events into your session in the same order (so journal each event before inserting).
<br><br>Although this is not a snapshot, it does allow you to rebuild state.
<br><div><div class='shrinkable-quote'><br>> On Oct 7, 2013, at 5:56 AM, sirinath <<a href="http://user/SendEmail.jtp?type=node&node=4026279&i=0" rel="nofollow" link="external" target="_blank">[hidden email]</a>> wrote:
<br>>
<br>> Hi,
<br>>
<br>> Is it possible to have the ability to journal fact / rule / event
<br>> submissions to the engine with the ability to save a snapshot.
<br>>
<br>> In case a error occurs you rollback to a previous point and play the events
<br>> send to the engine.
<br>>
<br>> Also any error is easily reproducible.
<br>>
<br>> Suminda
<br>>
<br>>
<br>>
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