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Re: [Hsqldb-developers] General Architecture Informations
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From: <jer...@ep...> - 2005-09-13 07:19:43
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Is InOutUtil needed for memory-version ?
Does your "This seems OK" statement apply to the org.hsql.persist
classes removal ?
Thanks Jerome
fredt wrote:
> This seems OK. The MD5 class is not used. Simple log can be made
> non-functional by removing the file-related code. InOutUtil is needed for
> object serialization.
>
> Fred
> ----- Original Message -----
> From: "Jérôme Paschoud" <jer...@ep...>
> To: <hsq...@li...>
> Sent: 12 September 2005 16:49
> Subject: Re: [Hsqldb-developers] General Architecture Informations
>
>
> What's new:
> -org.hsqldb.lib.java.JavaSystem is cleaned up from any "file related
> code" but their is not much left (just 2 methods that are used to work
> on string and 1 that deals with the garbage collector)
>
> -The import Collator in Collation class is removed and the rest of the
> class is patched (most of the work is just removing conflicting code).
>
> -Nearly half of the org.hsql.lib comiling in J2ME
>
> How to part:
> -Can org.hsqldb.lib.InOutUtil be removed or how to Patch?
> -Can org.hsqldb.lib.MD5 be removed or how to Patch?
> -Can org.hsqldb.lib.SimpleLog be removed or how to Patch?
>
> -In package org.hsql.persist I remove everything exept CacheObject,
> HsqlDatabasePoperties and hsqlProperties. Is there something missing or
> is that the desired minimum?
>
> Thanks Jerome
>
> fredt wrote:
>
>>You can remove all those classes for a memory-only version. The Collator
>>class can be removed from HSQLDB's Collation class. The JavaSystem class
>>can
>>be simplified to remove blocks with calls that are not supported in J2M2.
>>
>>Fred
>>
>>----- Original Message -----
>>From: "Jérôme Paschoud" <jer...@ep...>
>>To: <hsq...@li...>
>>Sent: 12 September 2005 08:15
>>Subject: Re: [Hsqldb-developers] General Architecture Informations
>>
>>
>>I just replaced the Properties class from the HsqlProperties classes by
>>the Hashtable as you proposed.
>>
>>For the class Locale if you want to get the Locale you have to code:
>>System.getProperty("microedition.locale")
>>
>>That was for the wath's new part, now let's get to the how to part.
>>
>>How do you get rid of java.text.Collator class?
>>
>>Can I remove safelyn the org.hsqldb.lib.FileUtil class?
>>Can I remove safelyn the org.hsqldb.lib.ZipUnzipFile class?
>>Can I remove safelyn the org.hsqldb.lib.FileAccess class?
>>
>>What to do with org.hsqldb.lib.java.JavaSystem?
>>
>>Thanks Jerome
>>
>>fredt wrote:
>>
>>
>>>You need to remove the dependencies. The Locale can be removed from the
>>>Collation class. You can also remove the use of the Properties class and
>>>replace it with HashTable.
>>>
>>>Fred
>>>
>>>----- Original Message -----
>>>From: "Jérôme Paschoud" <jer...@ep...>
>>>To: <hsq...@li...>
>>>Sent: 09 September 2005 13:28
>>>Subject: Re: [Hsqldb-developers] General Architecture Informations
>>>
>>>
>>>Ok now I'm at the next step and most of my problem are coming from the
>>>fact that I cannot have and HsqlProperties because their is no
>>>properties at all in the J2ME API.
>>>
>>>I'm also having problem with the class java.util.Locale. Their is no
>>>localisation system in J2ME (no java.text.Format, no java.io.Reader).
>>>
>>>If you could help me on that I could go a bit further.
>>>
>>>CU Jerome
>>>
>>>fredt wrote:
>>>
>>>
>>>
>>>>You can determin class loading by looking at the uses of Class and
>>>>Class.forName() etc.
>>>>
>>>>If you remove Log.java and its dependent classes, most of the IO related
>>>>stuff would disappear.
>>>>
>>>>Fred
>>>>----- Original Message -----
>>>>From: "Jérôme Paschoud" <jer...@ep...>
>>>>To: <hsq...@li...>
>>>>Sent: 08 September 2005 16:07
>>>>Subject: Re: [Hsqldb-developers] General Architecture Informations
>>>>
>>>>
>>>>How could I determine where, in the code, are located the methods that
>>>>are doing optional class loading.
>>>>
>>>>For information the BigInteger & BigDecimal can be taken for the first
>>>>one at: http://www.bouncycastle.org/ and for the second one:
>>>>http://www2.hursley.ibm.com/decimalj/.
>>>>
>>>>The rest of the problem deal with classes that belong to the java.io
>>>>package.
>>>>
>>>>In fact the main problem is that I'm unable to see how the things are
>>>>working together. I tried to obtain an UML schema from the sources but
>>>>the soft crash duting the parsing the files.
>>>>
>>>>I hope, I'm not too anoying with all my questions.
>>>>
>>>>Jerome
>>>>
>>>>fred wrote:
>>>>
>>>>
>>>>>If you're aiming at a memory-only engine, you can remove a lot. All
>>>>
>>>>of > the
>>>>
>>>>
>>>>>IO, starting with org.hsqldb.persist.Log can be removed. If you don't
>>>>>have
>>>>>JDBC, java.sql is not needed apart from java.sql.Connection, which
>>>>
>>>>you > can
>>>>
>>>>
>>>>>replace with org.hsqldb.SessionInterface. The java.lang.reflect usage
>>>>>can
>>>>>also be removed when you don't use optional class loading, such as
>>>>>user-defined functions. There is an opensource java.math.BigDecimal
>>>>>substitute somewhere on the net.
>>>>>
>>>>>Fred
>>>>
>>>>
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>>>>
>>>>
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>>>>September 19-22, 2005 * San Francisco, CA * Development Lifecycle
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>>>>https://lists.sourceforge.net/lists/listinfo/hsqldb-developers
>>>
>>>
>>>
>>>-------------------------------------------------------
>>>SF.Net email is Sponsored by the Better Software Conference & EXPO
>>>September 19-22, 2005 * San Francisco, CA * Development Lifecycle
>>>Practices
>>>Agile & Plan-Driven Development * Managing Projects & Teams * Testing & QA
>>>Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf
>>>_______________________________________________
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>>>https://lists.sourceforge.net/lists/listinfo/hsqldb-developers
>>>
>>>
>>>
>>>-------------------------------------------------------
>>>SF.Net email is Sponsored by the Better Software Conference & EXPO
>>>September 19-22, 2005 * San Francisco, CA * Development Lifecycle
>>>Practices
>>>Agile & Plan-Driven Development * Managing Projects & Teams * Testing & QA
>>>Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf
>>>_______________________________________________
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>>>https://lists.sourceforge.net/lists/listinfo/hsqldb-developers
>>
>>
>>
>>-------------------------------------------------------
>>SF.Net email is Sponsored by the Better Software Conference & EXPO
>>September 19-22, 2005 * San Francisco, CA * Development Lifecycle
>>Practices
>>Agile & Plan-Driven Development * Managing Projects & Teams * Testing & QA
>>Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf
>>_______________________________________________
>>hsqldb-developers mailing list
>>hsq...@li...
>>https://lists.sourceforge.net/lists/listinfo/hsqldb-developers
>>
>>
>>
>>-------------------------------------------------------
>>SF.Net email is Sponsored by the Better Software Conference & EXPO
>>September 19-22, 2005 * San Francisco, CA * Development Lifecycle
>>Practices
>>Agile & Plan-Driven Development * Managing Projects & Teams * Testing & QA
>>Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf
>>_______________________________________________
>>hsqldb-developers mailing list
>>hsq...@li...
>>https://lists.sourceforge.net/lists/listinfo/hsqldb-developers
>
>
>
> -------------------------------------------------------
> SF.Net email is Sponsored by the Better Software Conference & EXPO
> September 19-22, 2005 * San Francisco, CA * Development Lifecycle Practices
> Agile & Plan-Driven Development * Managing Projects & Teams * Testing & QA
> Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf
> _______________________________________________
> hsqldb-developers mailing list
> hsq...@li...
> https://lists.sourceforge.net/lists/listinfo/hsqldb-developers
>
>
>
> -------------------------------------------------------
> SF.Net email is Sponsored by the Better Software Conference & EXPO
> September 19-22, 2005 * San Francisco, CA * Development Lifecycle Practices
> Agile & Plan-Driven Development * Managing Projects & Teams * Testing & QA
> Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf
> _______________________________________________
> hsqldb-developers mailing list
> hsq...@li...
> https://lists.sourceforge.net/lists/listinfo/hsqldb-developers
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