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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.isis.core.metamodel.facets.object.recreatable;
import java.lang.reflect.Method;
import java.util.Map;
import javax.annotation.PostConstruct;
import javax.xml.bind.annotation.XmlRootElement;
import com.google.common.collect.Maps;
import org.apache.isis.applib.RecreatableDomainObject;
import org.apache.isis.applib.ViewModel;
import org.apache.isis.core.commons.config.IsisConfiguration;
import org.apache.isis.core.commons.lang.Nullable;
import org.apache.isis.core.metamodel.facetapi.Facet;
import org.apache.isis.core.metamodel.facetapi.FacetHolder;
import org.apache.isis.core.metamodel.facetapi.FacetUtil;
import org.apache.isis.core.metamodel.facetapi.FeatureType;
import org.apache.isis.core.metamodel.facetapi.MetaModelValidatorRefiner;
import org.apache.isis.core.metamodel.facets.Annotations;
import org.apache.isis.core.metamodel.facets.FacetFactoryAbstract;
import org.apache.isis.core.metamodel.facets.MethodFinderUtils;
import org.apache.isis.core.metamodel.facets.PostConstructMethodCache;
import org.apache.isis.core.metamodel.facets.object.viewmodel.ViewModelFacet;
import org.apache.isis.core.metamodel.services.ServicesInjector;
import org.apache.isis.core.metamodel.services.persistsession.PersistenceSessionServiceInternal;
import org.apache.isis.core.metamodel.spec.ObjectSpecification;
import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorComposite;
import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorVisiting;
import org.apache.isis.core.metamodel.specloader.validator.ValidationFailures;
public class RecreatableObjectFacetFactory extends FacetFactoryAbstract
implements MetaModelValidatorRefiner, PostConstructMethodCache {
public RecreatableObjectFacetFactory() {
super(FeatureType.OBJECTS_ONLY);
}
/**
* We simply attach all facets we can find; the {@link #refineMetaModelValidator(org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorComposite, org.apache.isis.core.commons.config.IsisConfiguration) meta-model validation} will detect if multiple interfaces/annotations have
* been attached.
*/
@Override
public void process(final ProcessClassContext processClassContext) {
// ViewModel interface
if (ViewModel.class.isAssignableFrom(processClassContext.getCls())) {
final PostConstructMethodCache postConstructMethodCache = this;
FacetUtil.addFacet(new RecreatableObjectFacetForRecreatableObjectInterface(
processClassContext.getFacetHolder(), postConstructMethodCache, servicesInjector));
}
// ViewModel annotation
final org.apache.isis.applib.annotation.ViewModel annotation = Annotations.getAnnotation(processClassContext.getCls(), org.apache.isis.applib.annotation.ViewModel.class);
FacetUtil.addFacet(create(annotation, processClassContext.getFacetHolder()));
// XmlRootElement annotation
final XmlRootElement xmlRootElement = Annotations.getAnnotation(processClassContext.getCls(), XmlRootElement.class);
FacetUtil.addFacet(create(xmlRootElement, processClassContext.getFacetHolder()));
// RecreatableDomainObject interface
if (RecreatableDomainObject.class.isAssignableFrom(processClassContext.getCls())) {
final PostConstructMethodCache postConstructMethodCache = this;
FacetUtil.addFacet(new RecreatableObjectFacetForRecreatableDomainObjectInterface(
processClassContext.getFacetHolder(), postConstructMethodCache, servicesInjector));
}
// DomainObject(nature=VIEW_MODEL) is managed by the DomainObjectFacetFactory
}
private ViewModelFacet create(final org.apache.isis.applib.annotation.ViewModel annotation, final FacetHolder holder) {
final PostConstructMethodCache postConstructMethodCache = this;
return annotation != null ? new RecreatableObjectFacetForViewModelAnnotation(holder, getSpecificationLoader(), adapterManager, servicesInjector, postConstructMethodCache) : null;
}
private ViewModelFacet create(final XmlRootElement annotation, final FacetHolder holder) {
final PostConstructMethodCache postConstructMethodCache = this;
return annotation != null
? new RecreatableObjectFacetForXmlRootElementAnnotation(holder, servicesInjector, postConstructMethodCache)
: null;
}
// //////////////////////////////////////
@Override
public void refineMetaModelValidator(final MetaModelValidatorComposite metaModelValidator, final IsisConfiguration configuration) {
metaModelValidator.add(new MetaModelValidatorVisiting(new MetaModelValidatorVisiting.Visitor() {
@Override
public boolean visit(final ObjectSpecification objectSpec, final ValidationFailures validationFailures) {
final ViewModelFacet facet = objectSpec.getFacet(ViewModelFacet.class);
final Facet underlyingFacet = facet != null ? facet.getUnderlyingFacet() : null;
if(underlyingFacet != null) {
validationFailures.add(
"%s: has multiple incompatible annotations/interfaces indicating that " +
"it is a recreatable object of some sort (%s and %s)",
objectSpec.getFullIdentifier(),
facet.getClass().getSimpleName(),
underlyingFacet.getClass().getSimpleName());
}
return true;
}
}));
}
// //////////////////////////////////////
private final Map<Class, Nullable<Method>> postConstructMethods = Maps.newHashMap();
public Method postConstructMethodFor(final Object pojo) {
return MethodFinderUtils.findAnnotatedMethod(pojo, PostConstruct.class, postConstructMethods);
}
@Override
public void setServicesInjector(final ServicesInjector servicesInjector) {
super.setServicesInjector(servicesInjector);
adapterManager = servicesInjector.getPersistenceSessionServiceInternal();
}
PersistenceSessionServiceInternal adapterManager;
}