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" <[EMAIL PROTECTED]>
To: <hsqldb-developers@lists.sourceforge.net>
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" <[EMAIL PROTECTED]>
> To: <hsqldb-developers@lists.sourceforge.net>
> 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" <[EMAIL PROTECTED]>
>>To: <hsqldb-developers@lists.sourceforge.net>
>>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" <[EMAIL PROTECTED]>
>>>To: <hsqldb-developers@lists.sourceforge.net>
>>>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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