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From Dmitriy Setrakyan <dsetrak...@apache.org>
Subject Re: Programmatic default definition for a Cache
Date Fri, 20 Feb 2015 16:10:25 GMT
Got it, you are talking about dynamic cache starting. We are currently
working on adding this feature and it should be available in a couple of
weeks.

Here is the Jira ticket you can track:
https://issues.apache.org/jira/browse/IGNITE-45

D.

On Fri, Feb 20, 2015 at 4:38 AM, Markus Wiesenbacher <
mailinglist@codefreun.de> wrote:

> Hi Dmitriy,
>
> thanks for you answer. I know about this principle, but therefore I would
> need to know all caches at starting-time. At runtime I need plenty of
> different caches/maps and I thought it would be possible to have one
> configuration and can instantiate numerous caches from it (1:n). Now it´s
> one configuration for one cache (1:1).
>
> But that´s only an administrative problem, I can live with that, putting
> some unique keys in with the payload as object.
>
> Thanks!
> Markus
>
> -----Ursprüngliche Nachricht-----
> Von: Dmitriy Setrakyan [mailto:dsetrakyan@apache.org]
> Gesendet: Freitag, 20. Februar 2015 11:01
> An: dev@ignite.incubator.apache.org
> Cc: mailinglist@codefreun.de
> Betreff: Re: Programmatic default definition for a Cache
>
> Hi Markus,
>
> Thanks for your interest in Ignite.
>
> If you need to define 2 different caches, you should add them separately
> to IgniteConfiguration and give them different names, like so:
>
> ----
> CacheConfiguration<String, String> cacheConfig1 = new
> CacheConfiguration<String,
> String>();
>
> cacheConfig.setName("CACHE1");
> cacheConfig.setCacheMode(CacheMode.REPLICATED);
> cacheConfig.setDistributionMode(CacheDistributionMode.PARTITIONED_ONLY);
>
> // Create another configuration based on the 1st one.
> CacheConfiguration<String, String> cacheConfig2 = new
> CacheConfiguration(cacheConfgi1);
>
> cacheConfig2.setName("CACHE2");
>
> IgniteConfiguration config = new IgniteConfiguration();
>
> config.setCacheConfiguration(cacheConfig1, cacheConfig2);
> ----
>
> Then in your code further you can access cache1 and cache2 by name, like
> so:
>
> ----
> *IgniteCache cache1 = ignite.jcache("CACHE1");* *IgniteCache cache2 =
> ignite.jcache("CACHE2");*
> ----
>
> Please feel free to send more questions as they come. You can also utilize
> the Support space here:
> http://apacheignite.readme.io/v1.0/discuss
>
> D.
>
> On Thu, Feb 19, 2015 at 11:27 PM, Markus Wiesenbacher <
> mailinglist@codefreun.de> wrote:
>
> > Hi,
> >
> >
> >
> > I am currently switching from Hazelcast to GridGain / Ignite and want
> > to use more than one IgniteCache-instance of the same Configuration.
> > If I am using
> > Ignite.jcache(String) I need to name a CacheConfiguration, which
> > always delivers the same instance if used with Ingite.jcache(String).
> >
> >
> >
> > Is there a way to get always a new instance or define a
> > default-configuration? Now I am getting an error if I want to get an
> > instance without same named Configuration.
> >
> >
> >
> > Here my test-code:
> >
> >
> >
> > package com.peertank.driver.ignite;
> >
> >
> >
> > import java.util.UUID;
> >
> >
> >
> > import org.apache.ignite.Ignite;
> >
> > import org.apache.ignite.IgniteCache;
> >
> > import org.apache.ignite.Ignition;
> >
> > import org.apache.ignite.cache.CacheDistributionMode;
> >
> > import org.apache.ignite.cache.CacheMode;
> >
> > import org.apache.ignite.configuration.CacheConfiguration;
> >
> > import org.apache.ignite.configuration.IgniteConfiguration;
> >
> >
> >
> > public class IgniteTest {
> >
> >
> >
> >        public static void main (String[] args) {
> >
> >
> >
> >              CacheConfiguration<String, String> cacheConfig = new
> > CacheConfiguration<String, String>();
> >
> >              cacheConfig.setName
> > ("CACHE_PARTITIONED_OFFHEAP");
> >
> >              cacheConfig.setCacheMode
> > (CacheMode.REPLICATED);
> >
> >              cacheConfig.setDistributionMode
> > (CacheDistributionMode.PARTITIONED_ONLY);
> >
> >
> >
> >              IgniteConfiguration config        = new
> IgniteConfiguration();
> >
> >              config.setCacheConfiguration      (cacheConfig);
> >
> >              config.setNodeId                        (UUID.randomUUID());
> >
> >              config.setGridName                      ("THEGRID");
> >
> >
> >
> >              Ignite ignite = Ignition.start (config);
> >
> >
> >
> >
> >
> >              // === Cache 1
> >
> >
> >
> >              IgniteCache<String, String> cache = ignite.jcache
> > ("CACHE_PARTITIONED_OFFHEAP");
> >
> >
> >
> >              cache.put ("name", "foo");
> >
> >
> >
> >              // === Cache 2
> >
> >
> >
> >              IgniteCache<String, String> cache2 = ignite.jcache
> > ("CACHE_PARTITIONED_OFFHEAP");
> >
> >
> >
> >              cache2.put ("name", "bar");
> >
> >
> >
> >              // === Output
> >
> >
> >
> >              System.out.println (cache.get ("name"));       // expected
> > "foo" but delivers "bar"
> >
> >              System.out.println (cache2.get ("name"));             //
> > expected "bar"
> >
> >        }
> >
> > }
> >
> >
> >
> >
> >
> > Best regards
> >
> > Markus
> >
> >
>
>

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