Christoph Steinbeck написа:
> Nina, thanks for this report.
> This is very likely the reason for very strange behaviour that we found
> when using MDLWriters in Taverna workflows.
> We often ended up with MDL files which where a strange mixture of lines
> but nothing like an MDL file :-)
>
>
Yes, this is a possible effect :) I was actually surprised nobody has
reported anything on this, since the static field already lives for year
and a half.
Regards,
Nina
> Cheers,
>
> Chris
>
> Nina Jeliazkova wrote:
>
>> Hi all,
>>
>> Is there any reason for MDLWriter to use static member BufferedWriter
>> (this is currently in SVN, it is a change from older CDK source )
>>
>> This prevents using more than one MDLWriter on the same time, for
>> example the following code will produce a mess.
>>
>> MDLWriter writer1 = new MDLWriter(new FileOutputStream("file1"));
>> MDLWriter writer2 = new MDLWriter(new FileOutputStream("file2"));
>>
>> while (something) {
>> writer1.write(onemolecule);
>> writer2.write(othermolecule);
>> }
>>
>> and in multithreaded environment (e.g. servlets, portlets, web services)
>> using a static writer will give unexpected results.
>>
>> Just had a look - other instances of DefaultChemObjectWriter also use
>> static BufferedWriter members - WHY?
>>
>> Any ideas?
>>
>> Best regards,
>> Nina
>>
>>
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>
>
>
--
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Dr. Nina Nikolova-Jeliazkova
Institute for Parallel Processing
Bulgarian Academy of Sciences
Acad. G. Bonchev St 25-A
1113 Sofia, Bulgaria
Tel: +359 886 802011
ICQ: 10705013
www: http://ambit.acad.bg/nina
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