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| 16legal |
 Posted: Wed Jun 05, 2013 5:25 am Post subject: Accessing global |
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Novice
Joined: 05 Jun 2013
Posts: 21
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| How do i access global cache through ESQL?I have gone through many documents which provides information on accessing global cache through Java compute node but none with ESQL. |
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| lancelotlinc |
| Posted: Wed Jun 05, 2013 5:46 am Post subject: Re: Accessing global |
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Jedi Knight
Joined: 22 Mar 2010
Posts: 4941
Location: Bloomington, IL USA
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| 16legal wrote: |
| How do i access global cache through ESQL?I have gone through many documents which provides information on accessing global cache through Java compute node but none with ESQL. |
You create various functions in your Java jar that is included in your project when you create JCNs. You access the global cache from these user-written functions. Your ESQL code calls your user-written functions just like any other ESQL access to any other Java function.
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| fjb_saper |
| Posted: Wed Jun 05, 2013 6:05 am Post subject: Re: Accessing global |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20768
Location: LI,NY
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| 16legal wrote: |
| How do i access global cache through ESQL?I have gone through many documents which provides information on accessing global cache through Java compute node but none with ESQL. |
You need to call java from ESQL in order to access the cache... 
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| 16legal |
| Posted: Wed Jun 05, 2013 7:16 am Post subject: |
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Novice
Joined: 05 Jun 2013
Posts: 21
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| Thanks guys for the help !! |
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| scravr |
| Posted: Wed Jun 05, 2013 11:17 am Post subject: |
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Partisan
Joined: 03 Apr 2003
Posts: 391
Location: NY NY USA 10021
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I think cache can keep/hold java primitives (int, string, etc.) only.
if you have other user types (java objects) you need to serialize to string. |
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| lancelotlinc |
| Posted: Wed Jun 05, 2013 11:23 am Post subject: |
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Jedi Knight
Joined: 22 Mar 2010
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Location: Bloomington, IL USA
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| scravr |
| Posted: Wed Jun 05, 2013 11:34 am Post subject: |
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Partisan
Joined: 03 Apr 2003
Posts: 391
Location: NY NY USA 10021
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if the question was about wmb cache implementation: it hold java primitives only.
if you have java object you need to create Hashtable (like Hashtable,String,String> ) from it and save. |
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| lancelotlinc |
| Posted: Thu Jun 06, 2013 3:25 am Post subject: |
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Jedi Knight
Joined: 22 Mar 2010
Posts: 4941
Location: Bloomington, IL USA
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| scravr wrote: |
if the question was about wmb cache implementation: it hold java primitives only.
if you have java object you need to create Hashtable (like Hashtable,String,String> ) from it and save. |
Your statement is very confusing, I don't know what you are talking about. Global cache can store any kind of serialized object. This includes more than just strings, as you alluded to above.
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| iShakir |
| Posted: Thu Jun 06, 2013 6:08 am Post subject: |
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Apprentice
Joined: 07 Mar 2013
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