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From Lewis John Mcgibbney <lewis.mcgibb...@gmail.com>
Subject Re: Correct configuration for reading a list into a Java class
Date Mon, 03 Dec 2012 16:28:27 GMT
Hi Martin,

Yes, I need a List[] of avro schemas. I need to compile the lot.

I am curious as to an Apache Ant problem or a GoraCompiler problem

I have a spade and I am digging

On Mon, Dec 3, 2012 at 4:06 PM, Martin Gainty <mgainty@hotmail.com> wrote:
>
> MG>GoraCompiler main method calls compileSchema with one input src and output dest
MG>nearest i can tell GoraCompiler compileSchema references one src file
>
> MG>http://grepcode.com/file_/repo1.maven.org/maven2/org.apache.gora/gora-core/0.2.1/org/apache/gora/compiler/GoraCompiler.java/?v=source
>
> MG>this Factory.parse is expecting 1 file input to  parse method MG>http://grepcode.com/file_/repo1.maven.org/maven2/org.apache.avro/avro/1.7.2/org/apache/avro/Schema.java/?v=source
MG>in order to parse a collection the op would need to tweak GoraCompiler to call compileSchema
and pass in a constructed JSONNode and Names as in
> MG>static Schema parse(JsonNode schema, Names names)  MG>where Names is a LinkedHashMap
MG>http://grepcode.com/file/repo1.maven.org/maven2/org.apache.avro/avro/1.7.2/org/apache/avro/Schema.java#Schema.Names
> MG>Lewis..does this conform to your understanding?
>
> Martin Gainty
>
> ______________________________________________
> Please do not alter or disrupt this transmission..Thank You
>
>  > Date: Mon, 3 Dec 2012 08:44:24 -0500
>> From: sfloess@nc.rr.com
>> To: user@ant.apache.org
>> Subject: RE: Correct configuration for reading a list into a Java class
>>
>>
>> Lewis,
>>
>> By command line params, I mean what params does GoraCompiler require (can
>> I see examples as if you'd manually execute from command line)...
>>
>> On Mon, 3 Dec 2012, Scot P. Floess wrote:
>>
>> >
>> > Martin,
>> >
>> > I don't know the GoraCompiler at all.  Again, I was just guessing what he
>> > might need to do :)
>> >
>> >
>> > Lewis,
>> >
>> > Can you provide either a doc link or some of the command line params that you
>> > need?
>> >
>> >
>> >
>> > On Sun, 2 Dec 2012, Martin Gainty wrote:
>> >
>> >>
>> >> MG>scott do you know the default folder delimiter GoraCompiler expectsMG>if
>> >> lewis implements the arg element with space delimiter in his  line
>> >> attribute as inMG><arg line="${goraavscfiles} ${src.dir}">MG>can
we assume
>> >> GoraCompiler should implement space delimiter for folders instead of colon
>> >> (:)> Date: Sun, 2 Dec 2012 12:43:05 -0500
>> >>> From: sfloess@nc.rr.com
>> >>> To: lewis.mcgibbney@gmail.com
>> >>> CC: user@ant.apache.org
>> >>> Subject: Re: Correct configuration for reading a list into a Java class
>> >>>
>> >>>
>> >>> I don't know the GoraCompiler nor any of its command line arguments...
>> >>>
>> >>> But have you tried the java <arg line=""> sub element?  I don't
know if it
>> >>> will help you but this may work:
>> >>>
>> >>> <java classname="org.apache.gora.compiler.GoraCompiler" fork="true">
>> >>>    <classpath refid="classpath"/>
>> >>>    <arg line="${goraavscfiles} ${src.dir}"/>
>> >>> </java>
>> >>>
>> >>> I did a minor bit of googling - but didn't quickly find the command
line
>> >>> options or I may have had a firmer "I think this will work" statement
:)
>> >>>
>> >>>
>> >>>
>> >>> On Sat, 1 Dec 2012, Lewis John Mcgibbney wrote:
>> >>>
>> >>>> Hi All,
>> >>>>
>> >>>> I've done a fiar bit of digging on this one on user@ archives and
>> >>>> there have been various threads on the topic. I understand that
the
>> >>>> solution to reading in multiple files an executing them with the
java
>> >>>> element is a custom solution. The problem is pretty simple. I have
a
>> >>>> directory of avro schemas which I would like to pass to a GoraCompiler
>> >>>> class to be compiled.
>> >>>>
>> >>>> So far I've got
>> >>>>
>> >>>> <!-- ====================================================== -->
>> >>>> <!-- Generate the Java files from the GORA schemas          -->
>> >>>> <!-- Will call this automatically later                     -->
>> >>>> <!-- ====================================================== -->
>> >>>> <!-- map for the gora .avsc files contained in ./src/gora/
>> >>>>      so they can be passed as a list to the GoraCompiler
>> >>>>      via the generate-gora-src target                -->
>> >>>> <fileset dir="${gora.avsc.dir}" id="gora.avsc.files">
>> >>>>  <include name="*.avsc"/>
>> >>>> </fileset>
>> >>>> <pathconvert property="goraavscfiles" refid="gora.avsc.files">
>> >>>>  <map from="${goraavscdir}" to=""/>
>> >>>> </pathconvert>
>> >>>>
>> >>>> <target name="generate-gora-src"
>> >>>>  description="> generate the Java files from the Gora schema(s)
in
>> >>>> src/gora/*.avsc">
>> >>>>  <java classname="org.apache.gora.compiler.GoraCompiler" fork="true">
>> >>>>   <classpath refid="classpath"/>
>> >>>>   <arg value="${goraavscfiles}"/>
>> >>>>   <arg value="${src.dir}"/>
>> >>>>  </java>
>> >>>> </target>
>> >>>>
>> >>>> When I execute I get
>> >>>>
>> >>>> generate-gora-src:
>> >>>>     [java] 12/12/01 16:22:09 INFO compiler.GoraCompiler: Compiling
>> >>>> schema file:
>> >>>> /home/lewismc/ASF/2.x/src/gora/host.avsc:/home/lewismc/ASF/2.x/src/gora/webpage.avsc
>> >>>> to: ./src/java
>> >>>>     [java] Exception in thread "main" java.io.FileNotFoundException:
>> >>>> /home/lewismc/ASF/2.x/src/gora/host.avsc:/home/lewismc/ASF/2.x/src/gora/webpage.avsc
>> >>>> (No such file or directory)
>> >>>>     [java]       at java.io.FileInputStream.open(Native Method)
>> >>>>     [java]       at java.io.FileInputStream.<init>(FileInputStream.java:120)
>> >>>>     [java]       at
>> >>>> org.codehaus.jackson.JsonFactory.createJsonParser(JsonFactory.java:325)
>> >>>>     [java]       at org.apache.avro.Schema.parse(Schema.java:794)
>> >>>>     [java]       at
>> >>>> org.apache.gora.compiler.GoraCompiler.compileSchema(GoraCompiler.java:87)
>> >>>>     [java]       at
>> >>>> org.apache.gora.compiler.GoraCompiler.main(GoraCompiler.java:509)
>> >>>>     [java] Java Result: 1
>> >>>>
>> >>>> BUILD SUCCESSFUL
>> >>>> Total time: 6 seconds
>> >>>>
>> >>>> If someone could please help me to understand how to separate the
>> >>>> files into the required File [] list then that would be great. I
>> >>>> should make it clear that I've discovered pathconvert's pathsep
>> >>>> attribute but it still seems to be a string being passed as oppose
to
>> >>>> a separated list of files.
>> >>>> I should also note that making the target accept a single explicit
>> >>>> file works perfectly, so I know my configuration is in the way I'm
>> >>>> constructing the mappings.
>> >>>>
>> >>>> Thanks very much in advance
>> >>>>
>> >>>> Lewis
>> >>>>
>> >>>>
>> >>>>
>> >>>>
>> >>>> --
>> >>>> Lewis
>> >>>>
>> >>>> ---------------------------------------------------------------------
>> >>>> To unsubscribe, e-mail: user-unsubscribe@ant.apache.org
>> >>>> For additional commands, e-mail: user-help@ant.apache.org
>> >>>>
>> >>>>
>> >>>
>> >>> Scot P. Floess             RHCT  (Certificate Number 605010084735240)
>> >>> Chief Architect FlossWare  http://sourceforge.net/projects/flossware
>> >>>                             http://flossware.sourceforge.net
>> >>>                             https://github.com/organizations/FlossWare
>> >>>
>> >>> ---------------------------------------------------------------------
>> >>> To unsubscribe, e-mail: user-unsubscribe@ant.apache.org
>> >>> For additional commands, e-mail: user-help@ant.apache.org
>> >>>
>> >>
>> >
>> > Scot P. Floess             RHCT  (Certificate Number 605010084735240)
>> > Chief Architect FlossWare  http://sourceforge.net/projects/flossware
>> >                           http://flossware.sourceforge.net
>> >                           https://github.com/organizations/FlossWare
>> >
>> > ---------------------------------------------------------------------
>> > To unsubscribe, e-mail: user-unsubscribe@ant.apache.org
>> > For additional commands, e-mail: user-help@ant.apache.org
>> >
>> >
>>
>> Scot P. Floess             RHCT  (Certificate Number 605010084735240)
>> Chief Architect FlossWare  http://sourceforge.net/projects/flossware
>>                             http://flossware.sourceforge.net
>>                             https://github.com/organizations/FlossWare
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: user-unsubscribe@ant.apache.org
>> For additional commands, e-mail: user-help@ant.apache.org
>>
>



-- 
Lewis

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