/*
* 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;
import org.apache.isis.core.metamodel.facetapi.Facet;
import org.apache.isis.core.metamodel.facetapi.FacetAbstract;
import org.apache.isis.core.metamodel.facetapi.FacetHolder;
import org.apache.isis.core.metamodel.spec.ObjectSpecification;
import org.apache.isis.core.metamodel.specloader.SpecificationLoader;
public abstract class SingleClassValueFacetAbstract extends FacetAbstract implements SingleClassValueFacet {
private final Class<?> value;
private final SpecificationLoader specificationLoader;
public SingleClassValueFacetAbstract(
final Class<? extends Facet> facetType,
final FacetHolder holder,
final Class<?> value,
final SpecificationLoader specificationLoader) {
super(facetType, holder, Derivation.NOT_DERIVED);
this.value = value;
this.specificationLoader = specificationLoader;
}
@Override
public Class<?> value() {
return value;
}
/**
* The {@link ObjectSpecification} of the {@link #value()}.
*/
@Override
public ObjectSpecification valueSpec() {
final Class<?> valueType = value();
return valueType != null ? getSpecificationLoader().loadSpecification(valueType) : null;
}
private SpecificationLoader getSpecificationLoader() {
return specificationLoader;
}
}