Re: Driver and Implementation of NoSQL

[Gino Pacitti]

Hi
Yes that sounds a interesting way to go…

From what I understand about NoSQL it is not relational and there are a few 
types and deal with data access and retrieval in different ways:

NoSQL Database Types

• Document databases pair each key with a complex data structure known as a 
document. Documents can contain many different key-value pairs, or key-array 
pairs, or even nested documents.

• Graph stores are used to store information about networks, such as social 
connections. Graph stores include Neo4J and HyperGraphDB.

• Key-value stores are the simplest NoSQL databases. Every single item in the 
database is stored as an attribute name (or "key"), together with its value. 
Examples of key-value stores are Riak and Voldemort. Some key-value stores, 
such as Redis, allow each value to have a type, such as "integer", which adds 
functionality.

• Wide-column stores such as Cassandra and HBase are optimized for queries over 
large datasets, and store columns of data together, instead of rows.

Seems like there should be a Framework for each?

G


> On 27 Oct 2015, at 10:12, Ricardo Parada  wrote:
> 
> Hi Gino,
> 
> Let me know if you hear of any. 
> 
> I can tell you about an attempt / workaround I did. I inserted my enterprise 
> objects (EOs) into an editing context. Then I used some of the classes in the 
> ERRest framework to serialize my object graph of enterprise objects into 
> JSON. Then I used the Mongo DB java driver to save the JSON to the Mongo 
> database. 
> 
> Then to retrieve the objects I reverse the process. Use the Mongo DB Java 
> driver to retrieve the JSON and the ERRest classes to rehydrate the objects 
> into an editing context. 
> 
> Ricardo
> 
>> On Oct 26, 2015, at 5:36 PM, Gino Pacitti  wrote:
>> 
>> Hi list
>> Are there any blogs or papers on integrating WO/EOF with NoSQL and whether 
>> there are any special Drivers required.
>> If NoSQL is not relational how does WO/EOF deal with Models with 
>> relationships?
>> 
>> 
>> 
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Re: Default Model Group - Error or Warning?

[Chuck Hill]

It looks like you have that as the Entity name for one of your entities in the 
model?  It is a modelling issue in any case.

Chuck


From: 
>
 on behalf of Calven Eggert >
Date: Tuesday, October 27, 2015 at 8:39 AM
To: WebObjects-Dev 
>
Subject: Default Model Group - Error or Warning?

I've just recently noticed that I get this error upon starting my WO app. 
Everything seems to be working ok, just wondering if I need to address it:

Oct 27 11:21:44 CRR[49599] ERROR er.extensions.eof.ERXEntityClassDescription  - 
Entity NSMutableDictionary not found in the default model group!



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Re: Driver and Implementation of NoSQL

[Paul Yu]

We should be able to formalize this with a framework then, right?

Can you provide some mapping of how you did this?

Paul
> On Oct 27, 2015, at 12:12 PM, Ricardo Parada  wrote:
> 
> Hi Gino,
> 
> Let me know if you hear of any. 
> 
> I can tell you about an attempt / workaround I did. I inserted my enterprise 
> objects (EOs) into an editing context. Then I used some of the classes in the 
> ERRest framework to serialize my object graph of enterprise objects into 
> JSON. Then I used the Mongo DB java driver to save the JSON to the Mongo 
> database. 
> 
> Then to retrieve the objects I reverse the process. Use the Mongo DB Java 
> driver to retrieve the JSON and the ERRest classes to rehydrate the objects 
> into an editing context. 
> 
> Ricardo
> 
>> On Oct 26, 2015, at 5:36 PM, Gino Pacitti  wrote:
>> 
>> Hi list
>> Are there any blogs or papers on integrating WO/EOF with NoSQL and whether 
>> there are any special Drivers required.
>> If NoSQL is not relational how does WO/EOF deal with Models with 
>> relationships?
>> 
>> 
>> 
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Re: Driver and Implementation of NoSQL

[Ricardo Parada]

Hi Gino,

Let me know if you hear of any. 

I can tell you about an attempt / workaround I did. I inserted my enterprise 
objects (EOs) into an editing context. Then I used some of the classes in the 
ERRest framework to serialize my object graph of enterprise objects into JSON. 
Then I used the Mongo DB java driver to save the JSON to the Mongo database. 

Then to retrieve the objects I reverse the process. Use the Mongo DB Java 
driver to retrieve the JSON and the ERRest classes to rehydrate the objects 
into an editing context. 

Ricardo

> On Oct 26, 2015, at 5:36 PM, Gino Pacitti  wrote:
> 
> Hi list
> Are there any blogs or papers on integrating WO/EOF with NoSQL and whether 
> there are any special Drivers required.
> If NoSQL is not relational how does WO/EOF deal with Models with 
> relationships?
> 
> 
> 
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Re: Framework needs access to Application - How?

[Hugi Thordarson]

Put your config values into Properties? You can then use (for example) the 
ERXProperties class to retrieve your values.

- hugi


> On 27. okt. 2015, at 16:20, Markus Ruggiero  wrote:
> 
> I am trying to split a large appliation and extract the EOModel and the 
> business classes into a separate framework. Unfortunately there are some 
> (just 2 or 3) config parameters that are maintained in the Application that 
> some of the business classes need to know. But Application is not known in 
> the framework. I could put the config stuff into the database but is there 
> any other way? How would you solve this? Would 
> ERXApplication.application().valueForKey("MY_CONFIG_ITEM") help? Other 
> strategies?
> 
> Thanks for sharing your thoughts
> ---markus---
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Default Model Group - Error or Warning?

[Calven Eggert]

I've just recently noticed that I get this error upon starting my WO app. 
Everything seems to be working ok, just wondering if I need to address it:

Oct 27 11:21:44 CRR[49599] ERROR er.extensions.eof.ERXEntityClassDescription  - 
Entity NSMutableDictionary not found in the default model group!



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Framework needs access to Application - How?

[Markus Ruggiero]

I am trying to split a large appliation and extract the EOModel and the 
business classes into a separate framework. Unfortunately there are some (just 
2 or 3) config parameters that are maintained in the Application that some of 
the business classes need to know. But Application is not known in the 
framework. I could put the config stuff into the database but is there any 
other way? How would you solve this? Would 
ERXApplication.application().valueForKey("MY_CONFIG_ITEM") help? Other 
strategies?

Thanks for sharing your thoughts
---markus--- ___
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Re: Default Model Group - Error or Warning?

[Calven Eggert]

strange.  can't find any entity with that name.

I did:
EOEntity theModel = 
EOModelGroup.defaultGroup().entityNamed("NSMutableDictionary");

and the answer was nil.

hmmm...

Calven


> On Oct 27, 2015, at 11:54 AM, Chuck Hill  wrote:
> 
> It looks like you have that as the Entity name for one of your entities in 
> the model?  It is a modelling issue in any case.
> 
> Chuck
> 
> 
> From:  > on 
> behalf of Calven Eggert >
> Date: Tuesday, October 27, 2015 at 8:39 AM
> To: WebObjects-Dev  >
> Subject: Default Model Group - Error or Warning?
> 
> I've just recently noticed that I get this error upon starting my WO app. 
> Everything seems to be working ok, just wondering if I need to address it:
> 
> Oct 27 11:21:44 CRR[49599] ERROR er.extensions.eof.ERXEntityClassDescription  
> - Entity NSMutableDictionary not found in the default model group!
> 
> 
> 

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Re: Framework needs access to Application - How?

[Chuck Hill]

Yep, defaults in the framework, overrides in the Application, and
production overrides on the command line.


On 2015-10-27, 9:32 AM,
"webobjects-dev-bounces+chill=gevityinc@lists.apple.com on behalf of
Hugi Thordarson" 
 wrote:

>Put your config values into Properties? You can then use (for example)
>the ERXProperties class to retrieve your values.
>
>- hugi
>
>
>> On 27. okt. 2015, at 16:20, Markus Ruggiero 
>>wrote:
>> 
>> I am trying to split a large appliation and extract the EOModel and the
>>business classes into a separate framework. Unfortunately there are some
>>(just 2 or 3) config parameters that are maintained in the Application
>>that some of the business classes need to know. But Application is not
>>known in the framework. I could put the config stuff into the database
>>but is there any other way? How would you solve this? Would
>>ERXApplication.application().valueForKey("MY_CONFIG_ITEM") help? Other
>>strategies?
>> 
>> Thanks for sharing your thoughts
>> ---markus---
>> ___
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>
>
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>om
>
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Re: Default Model Group - Error or Warning?

[Calven Eggert]

thank you.  that was a great idea since I now have all the Wonder source 
downloaded.

Calven


> On Oct 27, 2015, at 1:36 PM, Ricardo Parada  wrote:
> 
> Se a breakpoint in Wonder where that warning is logged to see if it gets you 
> anywhere to solving that mystery.  :-)
> 
> 
> 
> On Oct 27, 2015, at 1:17 PM, Calven Eggert  > wrote:
> 
>> strange.  can't find any entity with that name.
>> 
>> I did:
>> EOEntity theModel = 
>> EOModelGroup.defaultGroup().entityNamed("NSMutableDictionary");
>> 
>> and the answer was nil.
>> 
>> hmmm...
>> 
>> Calven
>> 
>> 
>>> On Oct 27, 2015, at 11:54 AM, Chuck Hill >> > wrote:
>>> 
>>> It looks like you have that as the Entity name for one of your entities in 
>>> the model?  It is a modelling issue in any case.
>>> 
>>> Chuck
>>> 
>>> 
>>> From: >> > on 
>>> behalf of Calven Eggert >
>>> Date: Tuesday, October 27, 2015 at 8:39 AM
>>> To: WebObjects-Dev >> >
>>> Subject: Default Model Group - Error or Warning?
>>> 
>>> I've just recently noticed that I get this error upon starting my WO app. 
>>> Everything seems to be working ok, just wondering if I need to address it:
>>> 
>>> Oct 27 11:21:44 CRR[49599] ERROR 
>>> er.extensions.eof.ERXEntityClassDescription  - Entity NSMutableDictionary 
>>> not found in the default model group!
>>> 
>>> 
>>> 
>> 
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Re: Default Model Group - Error or Warning?

[Ricardo Parada]

Se a breakpoint in Wonder where that warning is logged to see if it gets you 
anywhere to solving that mystery.  :-)



> On Oct 27, 2015, at 1:17 PM, Calven Eggert  wrote:
> 
> strange.  can't find any entity with that name.
> 
> I did:
> EOEntity theModel = 
> EOModelGroup.defaultGroup().entityNamed("NSMutableDictionary");
> 
> and the answer was nil.
> 
> hmmm...
> 
> Calven
> 
> 
>> On Oct 27, 2015, at 11:54 AM, Chuck Hill  wrote:
>> 
>> It looks like you have that as the Entity name for one of your entities in 
>> the model?  It is a modelling issue in any case.
>> 
>> Chuck
>> 
>> 
>> From:  on behalf 
>> of Calven Eggert 
>> Date: Tuesday, October 27, 2015 at 8:39 AM
>> To: WebObjects-Dev 
>> Subject: Default Model Group - Error or Warning?
>> 
>> I've just recently noticed that I get this error upon starting my WO app. 
>> Everything seems to be working ok, just wondering if I need to address it:
>> 
>> Oct 27 11:21:44 CRR[49599] ERROR er.extensions.eof.ERXEntityClassDescription 
>>  - Entity NSMutableDictionary not found in the default model group!
> 
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Re: Default Model Group - Error or Warning?

[Chuck Hill]

And that null response is what triggers this exception.  This is in response to 
a notification asking for a class description for an entity named X.

Could be a bad prototype?

From: Calven Eggert >
Date: Tuesday, October 27, 2015 at 10:17 AM
To: Chuck Hill >
Cc: WebObjects-Dev 
>
Subject: Re: Default Model Group - Error or Warning?

strange.  can't find any entity with that name.

I did:
EOEntity theModel = 
EOModelGroup.defaultGroup().entityNamed("NSMutableDictionary");

and the answer was nil.

hmmm...

Calven


On Oct 27, 2015, at 11:54 AM, Chuck Hill 
> wrote:

It looks like you have that as the Entity name for one of your entities in the 
model?  It is a modelling issue in any case.

Chuck


From: 
>
 on behalf of Calven Eggert >
Date: Tuesday, October 27, 2015 at 8:39 AM
To: WebObjects-Dev 
>
Subject: Default Model Group - Error or Warning?

I've just recently noticed that I get this error upon starting my WO app. 
Everything seems to be working ok, just wondering if I need to address it:

Oct 27 11:21:44 CRR[49599] ERROR er.extensions.eof.ERXEntityClassDescription  - 
Entity NSMutableDictionary not found in the default model group!




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Apache 2.4 binary anyone?

[Calven Eggert]

Does anyone have the Apache2.4 binary or alternative?

I've tried to compile based on the instructions but no luck, all kinds of 
errors, from this link:
http://lists.apple.com/archives/webobjects-dev/2014/Oct/msg00181.html 




Calven


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Re: Apache 2.4 binary anyone?

[Chuck Hill]

http://prod.lists.apple.com/archives/webobjects-dev/2015/Oct/msg00047.html


From: 
>
 on behalf of Calven Eggert >
Date: Tuesday, October 27, 2015 at 2:50 PM
To: WebObjects-Dev 
>
Subject: Apache 2.4 binary anyone?

Does anyone have the Apache2.4 binary or alternative?

I've tried to compile based on the instructions but no luck, all kinds of 
errors, from this link:
http://lists.apple.com/archives/webobjects-dev/2014/Oct/msg00181.html



Calven


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