Re: EOF-Modeling-Prototypes
Re: EOF-Modeling-Prototypes
- Subject: Re: EOF-Modeling-Prototypes
- From: Chuck Hill <email@hidden>
- Date: Wed, 22 Jul 2009 15:08:11 -0700
On Jul 22, 2009, at 2:52 PM, Mike Schrag wrote:
Do I not validate this case? WHen you saved or ran a Check Model,
did it tell you this or just let you fail silently? Is there any
case that you can have an attribute without an external type? Maybe
restricted to checking models that use JDBC, at least?
Derived attributes? Flattened attributes?
Chuck
On Jul 22, 2009, at 5:49 PM, Miguel Angel Torres Avila wrote:
Ohh Sorry, I found the error.
I had an attribute in my entity without the External Type definition.
Now, I just have the original question, how can I extend the
prototypes provided for Wonder?
On Jul 22, 2009, at 4:43 PM, Miguel Angel Torres Avila wrote:
Hi list,
I am trying to use prototypes in my EOModel.
By default I can use the prototypes provided by Wonder via the
ERPrototypes Framework. But I want to extend them, I want to add
two more prototypes.
How can I do that?
Y tried creating an Entity named EOJDBCMyPostgresqlPrototypes,
and selecting it on my Database Config, that way I could select
prototypes from the Original EOJDBCPostgresqlPrototypes and from
mine. But When I tried to generate SQL using the Generate SQL
button I received the following exception:
java.lang.RuntimeException: Failed to generate SQL.
at
org.objectstyle.wolips.eomodeler.core.sql.EOFSQLGeneratorFactory
$
ReflectionSQLGenerator
.generateSchemaCreationScript(EOFSQLGeneratorFactory.java:60)
at
org
.objectstyle
.wolips
.eomodeler
.actions.GenerateSQLDialog.generateSql(GenerateSQLDialog.java:298)
at org.objectstyle.wolips.eomodeler.actions.GenerateSQLDialog
$1.run(GenerateSQLDialog.java:279)
at java.lang.Thread.run(Thread.java:613)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun
.reflect
.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun
.reflect
.DelegatingMethodAccessorImpl
.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at
org.objectstyle.wolips.eomodeler.core.sql.EOFSQLGeneratorFactory
$
ReflectionSQLGenerator
.generateSchemaCreationScript(EOFSQLGeneratorFactory.java:58)
... 3 more
Caused by: java.lang.NullPointerException
at
com
.webobjects
.jdbcadaptor
.JDBCExpression.columnTypeStringForAttribute(JDBCExpression.java:
286)
at
com
.webobjects
.eoaccess
.EOSQLExpression.addCreateClauseForAttribute(EOSQLExpression.java:
2498)
at
com
.webobjects
.eoaccess
.EOSynchronizationFactory
.createTableStatementsForEntityGroup(EOSynchronizationFactory.java:
318)
at
com
.webobjects
.eoaccess
.EOSynchronizationFactory
.createTableStatementsForEntityGroups
(EOSynchronizationFactory.java:487)
at
com
.webobjects
.eoaccess
.EOSynchronizationFactory
.schemaCreationStatementsForEntities(EOSynchronizationFactory.java:
951)
at
com
.webobjects
.eoaccess
.EOSynchronizationFactory
.schemaCreationScriptForEntities(EOSynchronizationFactory.java:747)
at
org
.objectstyle
.wolips
.eomodeler
.core
.sql
.EOFSQLGenerator.generateSchemaCreationScript(EOFSQLGenerator.java:
483)
... 8 more
I thought maybe I was wrong mixing prototypes, so I removed the
ERPrototypes Framework from my project, renamed my entity to
EOJDBCPostgresqlPrototypes and I created the prototypes I needed.
But the same exception appears once I try to generate SQL.
If I rename my entity that defines the prototypes, add the
ERPrototypes Framework and use just prototypes defined there I can
generate the sql without any problems.
Does anyone have a clue how to solve this?
Thanks in advanced.
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--
Chuck Hill Senior Consultant / VP Development
Learn WO at WOWODC'09 East in Montréal this August!
http://www.wocommunity.org/wowodc09/east
http://arstechnica.com/apple/news/2009/07/webobjects-sliced-from-106but-prognosis-of-death-premature.ars
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