Re: GORM outside Grails

> playing around some more i've managed to get burt's entire example to
> run in a jar file without any groovy scripts in the jar (!) -
> unfortunately it's not a general solution but perhaps what i've done
> will help achieve one
>
> the major change i made is to explicitly load the domain classes into
> the application - i've attached a zip with the updated code but here's
> a quick overview of what i've done (it's not much really):
>
> 1) i moved Main.groovy from the scripts dir to src/groovy in order to
> get it to be compiled
>
> 2) i've replaced occurrences of classLoader.getResource(...groovy
> files...) with appropriate variations on classLoader.loadClass()
>
> 3) instead of creating the application this way:
>
> application = new DefaultGrailsApplication(groovyFiles)
>
> i'm using this (cumbersome, non-general, but working) approach:
>
>        Class bookClass =
> GormHelper.classLoader.loadClass("com.burtbeckwith.gorm.domain.Book")
>        Class carClass =
> GormHelper.classLoader.loadClass("com.burtbeckwith.gorm.domain.Car")
>        Class personClass =
> GormHelper.classLoader.loadClass("com.burtbeckwith.gorm.domain.Person")
>        Class songClass =
> GormHelper.classLoader.loadClass("com.burtbeckwith.gorm.domain.Song")
>        Class[] domainClasses = new Class[4]
>        domainClasses[0] = bookClass
>        domainClasses[1] = carClass
>        domainClasses[2] = personClass
>        domainClasses[3] = songClass
>                application = new DefaultGrailsApplication(domainClasses,
> new GroovyClassLoader(GormHelper.classLoader))
>
> (as a sidenote that probably highlights my ignorance of grails and
> groovy: i kept getting compilation errors when i tried to initialize
> the domain class array when i declared it e.g. using syntax 'Class[]
> domainClasses = new Class[] { bookClass, .... }')
>
> greg
>
> On Tue, Sep 2, 2008 at 12:05 PM, Burt Beckwith <burt@...>

> > Right, I mentioned the problem with the metaclass methods in the blog
> > post. I won't have time today to look at this but I'll take a look this
> > evening.
> >
> > Burt
> >
> > On Tuesday 02 September 2008 11:03:52 am Gregory W. Bond wrote:
> >> i've been playing around with this code for a couple of days now trying
> >> to get it to work in a self-contained jar file (since i eventually want
> >> to use the code to access gorm from java) - the problem i run into is
> >> that the dynamic gorm 'save()' method isn't found at runtime (see stack
> >> trace below) - the problem disappears if i include the 'grails-app'
> >> directory containing the domain class definitions in the same directory
> >> as the jar file containing the compiled class files
> >>
> >> my jar file ('beckwith.jar') includes all the class files generated by
> >> 'grails compile' as well as the 'grails-app' directory contents and the
> >> 'application.properties' file - at the moment i have to include the file
> >> 'scripts/Main.groovy' in the same directory as the jar file until i
> >> figure out how to load it as a resource from the jar file
> >>
> >> here's the command i'm using to run the program
> >>
> >> java -classpath
> >> beckwith.jar:$GRAILS_HOME/lib/groovy-all-1.5.6.jar:$GRAILS_HOME/lib/spri
> >>ng-
> >> 2.5.4.jar:$GRAILS_HOME/lib/commons-logging-1.1.jar:$GRAILS_HOME/dist/gra
> >>ils-
> >> core-1.0.3.jar:$GRAILS_HOME/lib/javaee.jar:$GRAILS_HOME/dist/grails-spri
> >>ng-1
> >> .0.3.jar:$GRAILS_HOME/dist/grails-gorm-1.0.3.jar:$GRAILS_HOME/lib/hibern
> >>ate-
> >> annotations.jar:$GRAILS_HOME/lib/hibernate3.jar:$GRAILS_HOME/lib/dom4j-1
> >>.6.1
> >> .jar:$GRAILS_HOME/lib/hibernate-commons-annotations.jar:.:$GRAILS_HOME/l
> >>ib/c
> >> ommons-lang-2.1.jar:$GRAILS_HOME/lib/commons-collections-3.2.jar:lib/mys
> >>ql-c onnector-java-5.0.8-bin.jar:$GRAILS_HOME/lib/cglib-nodep-2.1_3.jar
> >> Tester
> >>
> >> here's the exception i get - any idea how to get around this?
> >>
> >> Exception in thread "main" groovy.lang.MissingMethodException: No
> >> signature of method: com.burtbeckwith.gorm.domain.Book.save() is
> >> applicable for argument types: () values: {}
> >>         at
> >> org.codehaus.groovy.runtime.ScriptBytecodeAdapter.unwrap(ScriptBytecodeA
> >>dap ter.java:55) at
> >> org.codehaus.groovy.runtime.ScriptBytecodeAdapter.unwrap(ScriptBytecodeA
> >>dap ter.java:60) at
> >> org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodN(ScriptBy
> >>tec odeAdapter.java:172) at
> >> com.burtbeckwith.gorm.domain.Book.invokeMethod(Book.groovy) at
> >> org.codehaus.groovy.runtime.InvokerHelper.invokePogoMethod(InvokerHelper
> >>.ja va:784) at
> >> org.codehaus.groovy.runtime.InvokerHelper.invokeMethod(InvokerHelper.jav
> >>a:7 58) at
> >> org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodN(ScriptBy
> >>tec odeAdapter.java:170) at
> >> org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethod0(ScriptBy
> >>tec odeAdapter.java:198) at Main.run(Main.groovy:7)
> >>         at groovy.lang.GroovyShell.evaluate(GroovyShell.java:473)
> >>         at groovy.lang.GroovyShell.evaluate(GroovyShell.java:508)
> >>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> >>         at
> >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav
> >>a:3 9) at
> >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
> >>Imp l.java:25) at java.lang.reflect.Method.invoke(Method.java:585)
> >>         at
> >> org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
> >>         at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:230)
> >>         at
> >> groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:912) at
> >> groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:946)
> >>         at
> >> groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:756) at
> >> org.codehaus.groovy.runtime.InvokerHelper.invokePogoMethod(InvokerHelper
> >>.ja va:778) at
> >> org.codehaus.groovy.runtime.InvokerHelper.invokeMethod(InvokerHelper.jav
> >>a:7 58) at
> >> org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodN(ScriptBy
> >>tec odeAdapter.java:170) at
> >> Tester$_main_closure1.doCall(Tester.groovy:12) at
> >> sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at
> >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav
> >>a:3 9) at
> >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
> >>Imp l.java:25) at java.lang.reflect.Method.invoke(Method.java:585)
> >>         at
> >> org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
> >>         at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:230)
> >>         at
> >> groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:912) at
> >> groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:946)
> >>         at
> >> groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:756) at
> >> groovy.lang.Closure.call(Closure.java:292)
> >>         at groovy.lang.Closure.call(Closure.java:305)
> >>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> >>         at
> >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav
> >>a:3 9) at
> >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
> >>Imp l.java:25) at java.lang.reflect.Method.invoke(Method.java:585)
> >>         at
> >> org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
> >>         at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:230)
> >>         at
> >> groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:912) at
> >> groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:946)
> >>         at
> >> groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:756) at
> >> org.codehaus.groovy.runtime.InvokerHelper.invokePogoMethod(InvokerHelper
> >>.ja va:778) at
> >> org.codehaus.groovy.runtime.InvokerHelper.invokeMethod(InvokerHelper.jav
> >>a:7 58) at
> >> org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodN(ScriptBy
> >>tec odeAdapter.java:170) at
> >> com.burtbeckwith.gorm.GormHelper$_withTransaction_closure1.doCall(GormHe
> >>lpe r.groovy:133) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
> >> Method) at
> >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav
> >>a:3 9) at
> >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
> >>Imp l.java:25) at java.lang.reflect.Method.invoke(Method.java:585)
> >>         at
> >> org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
> >>         at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:230)
> >>         at
> >> groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:912) at
> >> groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:946)
> >>         at
> >> groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:756) at
> >> groovy.lang.Closure.call(Closure.java:292)
> >>         at
> >> org.codehaus.groovy.runtime.ConvertedClosure.invokeCustom(ConvertedClosu
> >>re. java:48) at
> >> org.codehaus.groovy.runtime.ConversionHandler.invoke(ConversionHandler.j
> >>ava
> >>
> >>:72) at $Proxy0.doInTransaction(Unknown Source)
> >>
> >>         at
> >> org.springframework.transaction.support.TransactionTemplate.execute(Tran
> >>sac tionTemplate.java:128) at
> >> sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at
> >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav
> >>a:3 9) at
> >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
> >>Imp l.java:25) at java.lang.reflect.Method.invoke(Method.java:585)
> >>         at
> >> org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
> >>         at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:230)
> >>         at
> >> groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:912) at
> >> groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:946)
> >>         at
> >> groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:756) at
> >> org.codehaus.groovy.runtime.InvokerHelper.invokePojoMethod(InvokerHelper
> >>.ja va:766) at
> >> org.codehaus.groovy.runtime.InvokerHelper.invokeMethod(InvokerHelper.jav
> >>a:7 54) at
> >> org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodN(ScriptBy
> >>tec odeAdapter.java:170) at
> >> com.burtbeckwith.gorm.GormHelper.withTransaction(GormHelper.groovy:132)
> >>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> >>         at
> >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav
> >>a:3 9) at
> >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
> >>Imp l.java:25) at java.lang.reflect.Method.invoke(Method.java:585)
> >>         at
> >> org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
> >>         at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:230)
> >>         at
> >> groovy.lang.MetaClassImpl.invokeStaticMethod(MetaClassImpl.java:1105)
> >>         at
> >> org.codehaus.groovy.runtime.InvokerHelper.invokeMethod(InvokerHelper.jav
> >>a:7 49) at
> >> org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodN(ScriptBy
> >>tec odeAdapter.java:170) at Tester.main(Tester.groovy:10)
> >>
> >> burtbeckwith wrote:
> >> > I spent some time on this and got it working. I've posted a writeup
> >> > and a zip
> >> > file here: http://burtbeckwith.com/blog/?p=66
> >> >
> >> > Burt
> >> >
> >> > On Saturday 23 August 2008 3:59:22 pm Christopher Mason wrote:
> >> >> Clarifying:
> >> >>
> >> >> So there are two projects that purport to allow one to use grails
> >> >> without having a web server around:
> >> >>
> >> >> http://docs.codehaus.org/display/GRAILS/GORM+-+StandAlone+Gorm
> >> >> which is based on:
> >> >> http://jweldin.com/blog/?p=6
> >> >>
> >> >> However, both are over a year old and don't compile.  Both use this
> >> >> constructor:
> >> >>
> >> >>        application =
> >> >>           new DefaultGrailsApplication( groovyFiles, new
> >> >> GormInjectionOperation() )
> >> >>
> >> >> which, it seems, no longer exists.
> >> >>
> >> >> My suspicion is that this configuration is all done now via Spring.
> >> >> Is this true?
> >> >>
> >> >> I'm trying to read through the grails Gant scripts source to figure
> >> >> out how grails starts up, but it's not clear yet.  I've tried various
> >> >> methods on GrailsUtil like:
> >> >>
> >> >>    GrailsUtil.bootstrapGrailsFromApplication(grailsApplication)
> >> >> or
> >> >>    ApplicationContext appContext = GrailsUtil
> >> >>    .bootstrapGrailsFromClassPath()
> >> >>    DefaultGrailsApplication grailsApplication =
> >> >>         (DefaultGrailsApplication)appContext
> >> >>            .getBean("grailsApplication", D
> >> >>              efaultGrailsApplication.class);
> >> >>
> >> >> but this seems to result in class not found errors, I assume because
> >> >> the Gant scripts are responsible for classpathy stuff that I'm not
> >> >> yet doing (eg Init.groovy:setClasspath()). Am I headed in the right
> >> >> direction?
> >> >>
> >> >> If I simply omit the GormInjectionOperation from the code posted
> >> >> above, obviously, none of the GORM methods are available on doman
> >> >> objects.
> >> >>
> >> >> Any hints would be most appreciated.  My goal is something I can run
> >> >> via java -jar that will execute a groovy script using GORM domain
> >> >> classes.
> >> >>
> >> >> I offer beer to anyone who can help me get this working!  And I
> >> >> promise to post it somewhere for all to read!
> >> >>
> >> >> -c
> >> >>
> >> >> Christopher Mason wrote:
> >> >> > Can anyone help update this code for grails 1.0.3?
> >> >> >
> >> >> > http://jweldin.com/blog/?p=6
> >> >> >
> >> >> > Does anyone have this working?  (I see several posts but none of
> >> >> > them seem to have successful resolutions.)
> >> >> >
> >> >> > Thanks so much!
> >> >> >
> >> >> > -c
> >> >> >
> >> >> >
> >> >> > import groovy.lang.GroovyClassLoader;
> >> >> > import groovy.lang.GroovyObject;
> >> >> > import org.codehaus.groovy.grails.commons.*;
> >> >> > import org.codehaus.groovy.grails.orm.hibernate.cfg.*;
> >> >> > import org.hibernate.SessionFactory;
> >> >> > import org.springframework.core.io.*;
> >> >> > import org.springframework.core.io.support.*
> >> >> > import
> >> >> > org.codehaus.groovy.grails.compiler.injection.GrailsAwareClassLoade
> >> >> >r import
> >> >> > org.codehaus.groovy.grails.compiler.injection.ClassInjector;
> >> >> >
> >> >> > class RunScript
> >> >> > {
> >> >> >     public static void main(String[] args)
> >> >> >     {
> >> >> >
> >> >> >         if (args.length < 2) {
> >> >> >             println "Usage: java -jar profiler-script.jar
> >> >> > <db.props> <script name> <script args>"
> >> >> >         }
> >> >> >
> >> >> >         GrailsApplication grailsApplication = null;
> >> >> >         SessionFactory sessionFactory = null;
> >> >> >
> >> >> >         PathMatchingResourcePatternResolver resolver = new
> >> >> > PathMatchingResourcePatternResolver();
> >> >> >
> >> >> >         Resource[] groovyFiles =
> >> >> > resolver.getResources("classpath*:**grails-app/**/*.groovy");
> >> >> >
> >> >> >         grailsApplication = new
> >> >> > DefaultGrailsApplication(groovyFiles);
> >> >> >
> >> >> >         GrailsAwareClassLoader gcl = new GrailsAwareClassLoader()
> >> >> >         gcl.setClassInjectors([ new
> >> >> > DefaultGrailsDomainClassInjector()
> >> >>
> >> >> ]
> >> >>
> >> >> > as ClassInjector[])
> >> >> >
> >> >> >         DefaultGrailsDomainConfiguration config = new
> >> >> > DefaultGrailsDomainConfiguration();
> >> >> >         config.setGrailsApplication(grailsApplication);
> >> >> >
> >> >> >         Properties props = new Properties();
> >> >> >         props.load(new FileInputStream(args[0]));
> >> >> >         config.setProperties(props);
> >> >> >
> >> >> >         sessionFactory = config.buildSessionFactory();
> >> >> >
> >> >> >         GrailsHibernateUtil.configureDynamicMethods(sessionFactory,
> >> >> > grailsApplication);
> >> >> >
> >> >> >         GroovyClassLoader cl = gcl
> >> >> > //grailsApplication.getClassLoader()
> >> >> >
> >> >> >         println "\n-----------\nBefore Main\n-----------\n"
> >> >> >
> >> >> >         Binding b = new Binding(args[3..args.length-1] as String[])
> >> >> >         def TestDomainScript =
> >> >> > (Script)cl.loadClass(args[1],false,true).newInstance(b)
> >> >> >         TestDomainScript.run()
> >> >> >
> >> >> >         println "\n-----------\nAfter Main\n-----------\n"
> >> >> >         println "\nDone";
> >> >> >
> >> >> >     }
> >> >> > }
> >> >> >
> >> >> >
> >> >> > import
> >> >> > org.codehaus.groovy.grails.compiler.injection.GrailsInjectionOperat
> >> >> >ion ; import org.codehaus.groovy.grails.compiler.injection.*;
> >> >> > import org.apache.commons.logging.Log;
> >> >> > import org.apache.commons.logging.LogFactory;
> >> >> > import org.codehaus.groovy.ast.ClassNode;
> >> >> > import org.codehaus.groovy.classgen.GeneratorContext;
> >> >> > import org.codehaus.groovy.control.CompilationFailedException;
> >> >> > import org.codehaus.groovy.control.CompilationUnit;
> >> >> > import org.codehaus.groovy.control.Phases;
> >> >> > import org.codehaus.groovy.control.SourceUnit;
> >> >> > import
> >> >>
> >> >> org.codehaus.groovy.grails.compiler.support.GrailsResourceLoader;
> >> >>
> >> >> > import org.codehaus.groovy.grails.commons.GrailsResourceUtils
> >> >> > import org.codehaus.groovy.grails.compiler.GrailsClassLoader;
> >> >> >
> >> >> > public class MyInjectionOperation extends GrailsInjectionOperation
> >> >> > {
> >> >> >
> >> >> >         private static GrailsDomainClassInjector injector = new
> >> >> > DefaultGrailsDomainClassInjector();;
> >> >> >     private GrailsResourceLoader resourceLoader;
> >> >> >
> >> >> >     public void call(SourceUnit source, GeneratorContext context,
> >> >> > ClassNode classNode) throws CompilationFailedException
> >> >> >         {
> >> >> >
> >> >> >                 if(resourceLoader != null)
> >> >> >                 {
> >> >> >             try {
> >> >> >                 URL url;
> >> >> >                
> >> >> > if(GrailsResourceUtils.isGrailsPath(source.getName())) {
> >> >> >                     url =
> >> >>
> >> >> resourceLoader.loadGroovySource(GrailsResourceUtils.getClassName(sour
> >> >>ce. g
> >> >>
> >> >> >etName()));
> >> >> >
> >> >> >                 }
> >> >> >                 else
> >> >> >                                 {
> >> >> >                     url =
> >> >> > resourceLoader.loadGroovySource(source.getName());
> >> >> >                 }
> >> >> >                 if(GrailsResourceUtils.isDomainClass(url))
> >> >> >                                 {
> >> >> >
> >> >> > this.injector.performInjection(source,context,classNode);
> >> >> >                 }
> >> >> >
> >> >> >             }
> >> >> >                         catch (MalformedURLException e)
> >> >> >                         {
> >> >> >                 println("Error loading URL during addition of
> >> >> > compile time properties: " + e.getMessage(),e);
> >> >> >                 throw new
> >> >> > CompilationFailedException(Phases.CONVERSION,source,e);
> >> >> >             }
> >> >> >         }
> >> >> >     }
> >> >> >
> >> >> >     public void setResourceLoader(GrailsResourceLoader
> >> >> > resourceLoader) {
> >> >> >         this.resourceLoader = resourceLoader;
> >> >> >     }
> >> >> > }
> >> >> >
> >> >> >
> >> >> >
> >> >> >
> >> >> > -------------------------------------------------------------------
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> >> >> >
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> >> >>
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