Package groovy.lang

Examples of groovy.lang.MetaClassRegistry

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        allArtefactClassesArray = null;
        allClasses = classes;

        // first load the domain classes
        log.debug("Going to inspect artefact classes.");
        MetaClassRegistry metaClassRegistry = GroovySystem.getMetaClassRegistry();

        for (final Class<?> theClass : classes) {
            log.debug("Inspecting [" + theClass.getName() + "]");
            // start fresh
            metaClassRegistry.removeMetaClass(theClass);
            if (allArtefactClasses.contains(theClass)) {
                continue;
            }

            // check what kind of artefact it is and add to corrent data structure
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    @Override
    public void doDynamicMethods() {
        checkInitialised();
        // remove common meta classes just to be sure
        MetaClassRegistry registry = GroovySystem.getMetaClassRegistry();
        for (Class<?> COMMON_CLASS : COMMON_CLASSES) {
            registry.removeMetaClass(COMMON_CLASS);
        }
        for (GrailsPlugin plugin : pluginList) {
            if (plugin.supportsCurrentScopeAndEnvironment()) {
                try {
                    plugin.doWithDynamicMethods(applicationContext);
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    private MetaClassRegistryCleaner() {
    }

    public static MetaClassRegistryCleaner createAndRegister() {

        MetaClassRegistry metaClassRegistry = GroovySystem.getMetaClassRegistry();
        MetaClassRegistryChangeEventListener[] listeners = metaClassRegistry.getMetaClassRegistryChangeEventListeners();
        boolean registered = false;
        for (MetaClassRegistryChangeEventListener listener : listeners) {
            if (listener == INSTANCE) {
                registered = true;break;
            }
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            }
        }
        else {

            if (cls != null) {
                MetaClassRegistry registry = GroovySystem.getMetaClassRegistry();
                registry.removeMetaClass(cls);
                ExpandoMetaClass newMc = new ExpandoMetaClass(cls, true, true);
                newMc.initialize();
                registry.setMetaClass(cls, newMc);

                Enhanced en = AnnotationUtils.findAnnotation(cls,Enhanced.class);
                if (en != null) {
                    Class<?>[] mixinClasses = en.mixins();
                    if (mixinClasses != null) {
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        long time = System.currentTimeMillis();
        GrailsConsole console = GrailsConsole.getInstance();
        console.addStatus("doWithDynamicMethods started");
        checkInitialised();
        // remove common meta classes just to be sure
        MetaClassRegistry registry = GroovySystem.getMetaClassRegistry();
        for (Class<?> COMMON_CLASS : COMMON_CLASSES) {
            registry.removeMetaClass(COMMON_CLASS);
        }
        for (GrailsPlugin plugin : pluginList) {
            if (plugin.supportsCurrentScopeAndEnvironment()) {
                try {
                    long pluginTime = System.currentTimeMillis();
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    }

    private Object unwrap(Object o) {
        if (o == null) return o;

        final MetaClassRegistry registry = GroovySystem.getMetaClassRegistry();
        MetaClass mc = registry.getMetaClass(o.getClass());

        final Object hibernateLazyInitializer = mc.getProperty(o, HIBERNATE_LAZY_INITIALIZER_PROP);
        return registry.getMetaClass(hibernateLazyInitializer.getClass()).getProperty(
                hibernateLazyInitializer, IMPLEMENTATION_PROP);
    }
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     * @param removeSource Whether to remove the source class after completion. True if yes
     */
    @SuppressWarnings({ "unchecked", "rawtypes" })
    public static void copyExpandoMetaClass(Class<?> fromClass, Class<?> toClass, boolean removeSource) {

        MetaClassRegistry registry = getRegistry();

        MetaClass oldMetaClass = registry.getMetaClass(fromClass);

        AdaptingMetaClass adapter = null;
        ExpandoMetaClass emc;

        if (oldMetaClass instanceof AdaptingMetaClass) {
            adapter = ((AdaptingMetaClass)oldMetaClass);
            emc = (ExpandoMetaClass)adapter.getAdaptee();
            if (LOG.isDebugEnabled()) {
                LOG.debug("Obtained adapted MetaClass ["+emc+"] from AdapterMetaClass instance ["+adapter+"]");
            }

            if (removeSource) {
                registry.removeMetaClass(fromClass);
            }
        }
        else {
            emc = (ExpandoMetaClass)oldMetaClass;
            if (LOG.isDebugEnabled()) {
                LOG.debug("No adapter MetaClass found, using original ["+emc+"]");
            }
        }

        ExpandoMetaClass replacement = new ExpandoMetaClass(toClass, true, true);

        for (Object obj : emc.getExpandoMethods()) {
            if (obj instanceof ClosureInvokingMethod) {
                ClosureInvokingMethod cim = (ClosureInvokingMethod) obj;
                Closure callable = cim.getClosure();
                if (!cim.isStatic()) {
                    replacement.setProperty(cim.getName(), callable);
                }
                else {
                    ((GroovyObject)replacement.getProperty(ExpandoMetaClass.STATIC_QUALIFIER)).setProperty(cim.getName(),callable);
                }
            }
        }

        for (Object o : emc.getExpandoProperties()) {
            if (o instanceof ThreadManagedMetaBeanProperty) {
                ThreadManagedMetaBeanProperty mbp = (ThreadManagedMetaBeanProperty)o;
                replacement.setProperty(mbp.getName(), mbp.getInitialValue());
            }
        }
        replacement.initialize();

        if (adapter == null) {
            if (LOG.isDebugEnabled()) {
                LOG.debug("Adding MetaClass for class ["+toClass+"] MetaClass ["+replacement+"]");
            }
            registry.setMetaClass(toClass, replacement);
        }
        else {
            if (LOG.isDebugEnabled()) {
                LOG.debug("Adding MetaClass for class [" + toClass + "] MetaClass [" + replacement +
                        "] with adapter [" + adapter + "]");
            }
            try {
                Constructor c = adapter.getClass().getConstructor(new Class[]{MetaClass.class});
                MetaClass newAdapter = (MetaClass) BeanUtils.instantiateClass(c,new Object[]{replacement});
                registry.setMetaClass(toClass,newAdapter);
            }
            catch (NoSuchMethodException e) {
                if (LOG.isDebugEnabled()) {
                    LOG.debug("Exception thrown constructing new MetaClass adapter when reloading: " + e.getMessage(),e);
                }
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            }
        }
    }

    public static ExpandoMetaClass getExpandoMetaClass(Class<?> aClass) {
        MetaClassRegistry registry = getRegistry();

        MetaClass mc = registry.getMetaClass(aClass);
        if (mc instanceof ExpandoMetaClass) {
            ExpandoMetaClass emc = (ExpandoMetaClass) mc;
            registry.setMetaClass(aClass, emc); // make permanent
            return emc;
        }

        registry.removeMetaClass(aClass);
        mc = registry.getMetaClass(aClass);
        if (mc instanceof ExpandoMetaClass) {
            return (ExpandoMetaClass)mc;
        }

        ExpandoMetaClass emc = new ExpandoMetaClass(aClass, true, true);
        emc.initialize();
        registry.setMetaClass(aClass, emc);
        return emc;
    }
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        return false;
    }

    @SuppressWarnings("rawtypes")
    public static MetaClass getExpandoMetaClass(Class clazz) {
        MetaClassRegistry registry = GroovySystem.getMetaClassRegistry();
        Assert.isTrue(registry.getMetaClassCreationHandler() instanceof ExpandoMetaClassCreationHandle,
                "Grails requires an instance of [ExpandoMetaClassCreationHandle] to be set in Groovy's MetaClassRegistry! (current is : "+registry.getMetaClassCreationHandler()+")");

        MetaClass mc = registry.getMetaClass(clazz);
        AdaptingMetaClass adapter = null;
        if (mc instanceof AdaptingMetaClass) {
            adapter = (AdaptingMetaClass) mc;
            mc = ((AdaptingMetaClass)mc).getAdaptee();
        }

        if (!(mc instanceof ExpandoMetaClass)) {
            // removes cached version
            registry.removeMetaClass(clazz);
            mc = registry.getMetaClass(clazz);
            if (adapter != null) {
                adapter.setAdaptee(mc);
            }
        }
        Assert.isTrue(mc instanceof ExpandoMetaClass,"BUG! Method must return an instance of [ExpandoMetaClass]!");
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  public ConfineMetaClassChangesInterceptor(Collection<Class<?>> classes) {
    this.classes = classes;
  }

  public void intercept(IMethodInvocation invocation) throws Throwable {
    MetaClassRegistry registry = GroovySystem.getMetaClassRegistry();

    for (Class<?> clazz : classes) {
      originalMetaClasses.add(registry.getMetaClass(clazz));
      MetaClass temporaryMetaClass = new ExpandoMetaClass(clazz, true, true);
      temporaryMetaClass.initialize();
      registry.setMetaClass(clazz, temporaryMetaClass);
    }

    try {
      invocation.proceed();
    } finally {
      for (MetaClass original : originalMetaClasses)
        registry.setMetaClass(original.getTheClass(), original);
    }
  }
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Related Classes of groovy.lang.MetaClassRegistry

  • grails.build.support.MetaClassRegistryCleaner
  • grails.core.DefaultGrailsApplication
  • grails.plugins.DefaultGrailsPluginManager
  • grails.util.GrailsClassUtils
  • grails.util.GrailsMetaClassUtils
  • org.codehaus.groovy.runtime.metaclass.ClosureMetaClass
  • org.grails.plugins.AbstractGrailsPluginManager
  • org.grails.plugins.ProfilingGrailsPluginManager
  • org.grails.web.converters.marshaller.ProxyUnwrappingMarshaller
  • org.spockframework.runtime.extension.builtin.ConfineMetaClassChangesInterceptor
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