/*
* 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.standalonelist;
import java.util.List;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.facetapi.FacetHolder;
import org.apache.isis.core.metamodel.facets.collections.CollectionFacetAbstract;
import org.apache.isis.core.metamodel.spec.FreeStandingList;
public class CollectionFacetOnStandaloneList extends CollectionFacetAbstract {
public CollectionFacetOnStandaloneList(final FacetHolder holder) {
super(holder);
}
/**
* Expected to be called with a {@link ObjectAdapter} wrapping a
* {@link FreeStandingList}.
*/
@Override
public List<ObjectAdapter> collection(final ObjectAdapter wrappedObjectList) {
return (FreeStandingList) wrappedObjectList.getObject();
}
/**
* Expected to be called with a {@link ObjectAdapter} wrapping a
* {@link FreeStandingList}.
*/
@Override
public ObjectAdapter firstElement(final ObjectAdapter wrappedInstanceCollectionVector) {
final List<ObjectAdapter> icv = collection(wrappedInstanceCollectionVector);
return icv.size() > 0 ? icv.get(0) : null;
}
/**
* Expected to be called with a {@link ObjectAdapter} wrapping a
* {@link FreeStandingList}.
*/
@Override
public int size(final ObjectAdapter wrappedInstanceCollectionVector) {
return collection(wrappedInstanceCollectionVector).size();
}
/**
* Does nothing.
*/
@Override
public void init(final ObjectAdapter collection, final ObjectAdapter[] initData) {
}
}