001/*
002 *  Licensed to the Apache Software Foundation (ASF) under one
003 *  or more contributor license agreements.  See the NOTICE file
004 *  distributed with this work for additional information
005 *  regarding copyright ownership.  The ASF licenses this file
006 *  to you under the Apache License, Version 2.0 (the
007 *  "License"); you may not use this file except in compliance
008 *  with the License.  You may obtain a copy of the License at
009 *
010 *        http://www.apache.org/licenses/LICENSE-2.0
011 *
012 *  Unless required by applicable law or agreed to in writing,
013 *  software distributed under the License is distributed on an
014 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 *  KIND, either express or implied.  See the License for the
016 *  specific language governing permissions and limitations
017 *  under the License.
018 */
019
020package org.apache.isis.core.progmodel.facets.collections.modify;
021
022import java.lang.reflect.Method;
023import java.util.Collections;
024import java.util.List;
025
026import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
027import org.apache.isis.core.metamodel.adapter.util.AdapterInvokeUtils;
028import org.apache.isis.core.metamodel.facetapi.FacetHolder;
029import org.apache.isis.core.metamodel.facets.ImperativeFacet;
030import org.apache.isis.core.metamodel.facets.ImperativeFacet.Intent;
031import org.apache.isis.core.metamodel.facets.collections.modify.CollectionRemoveFromFacetAbstract;
032
033public class CollectionRemoveFromFacetViaMethod extends CollectionRemoveFromFacetAbstract implements ImperativeFacet {
034
035    private final Method method;
036
037    public CollectionRemoveFromFacetViaMethod(final Method method, final FacetHolder holder) {
038        super(holder);
039        this.method = method;
040    }
041
042    /**
043     * Returns a singleton list of the {@link Method} provided in the
044     * constructor.
045     */
046    @Override
047    public List<Method> getMethods() {
048        return Collections.singletonList(method);
049    }
050
051    @Override
052    public Intent getIntent(final Method method) {
053        return Intent.MODIFY_COLLECTION_REMOVE;
054    }
055
056    @Override
057    public boolean impliesResolve() {
058        return true;
059    }
060
061    @Override
062    public boolean impliesObjectChanged() {
063        return true;
064    }
065
066    @Override
067    public void remove(final ObjectAdapter owningAdapter, final ObjectAdapter elementAdapter) {
068        AdapterInvokeUtils.invoke(method, owningAdapter, elementAdapter);
069    }
070
071    @Override
072    protected String toStringValues() {
073        return "method=" + method;
074    }
075
076}