/*
* 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.specloader.specimpl;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.consent.InteractionInitiatedBy;
import org.apache.isis.core.metamodel.facetapi.FeatureType;
import org.apache.isis.core.metamodel.facets.FacetedMethod;
import org.apache.isis.core.metamodel.facets.objectvalue.mandatory.MandatoryFacet;
import org.apache.isis.core.metamodel.facets.propcoll.notpersisted.NotPersistedFacet;
import org.apache.isis.core.metamodel.facets.properties.choices.PropertyChoicesFacet;
import org.apache.isis.core.metamodel.services.ServicesInjector;
import org.apache.isis.core.metamodel.spec.ObjectSpecification;
import org.apache.isis.core.metamodel.spec.feature.ObjectAssociation;
public abstract class ObjectAssociationAbstract extends ObjectMemberAbstract implements ObjectAssociation {
private final ObjectSpecification specification;
public ObjectAssociationAbstract(
final FacetedMethod facetedMethod,
final FeatureType featureType,
final ObjectSpecification specification,
final ServicesInjector servicesInjector) {
super(facetedMethod, featureType, servicesInjector);
if (specification == null) {
throw new IllegalArgumentException("field type for '" + getId() + "' must exist");
}
this.specification = specification;
}
@Override
public ObjectAdapter get(
final ObjectAdapter fromObject) {
return get(fromObject, InteractionInitiatedBy.USER);
}
@Override
public abstract ObjectAdapter get(
final ObjectAdapter fromObject,
final InteractionInitiatedBy interactionInitiatedBy);
/**
* Return the specification of the object (or objects) that this field
* holds. For a value are one-to-one reference this will be type that the
* accessor returns. For a collection it will be the type of element, not
* the type of collection.
*/
@Override
public ObjectSpecification getSpecification() {
return specification;
}
@Override
public boolean isNotPersisted() {
return containsFacet(NotPersistedFacet.class);
}
@Override
public boolean hasChoices() {
return containsFacet(PropertyChoicesFacet.class);
}
@Override
public boolean isMandatory() {
final MandatoryFacet mandatoryFacet = getFacet(MandatoryFacet.class);
return mandatoryFacet != null && !mandatoryFacet.isInvertedSemantics();
}
@Override
public abstract boolean isEmpty(final ObjectAdapter adapter, final InteractionInitiatedBy interactionInitiatedBy);
@Override
public boolean isOneToOneAssociation() {
return !isOneToManyAssociation();
}
}