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.properties.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;
030
031public class PropertyInitializationFacetViaSetterMethod extends PropertyInitializationFacetAbstract implements ImperativeFacet {
032
033    private final Method method;
034
035    public PropertyInitializationFacetViaSetterMethod(final Method method, final FacetHolder holder) {
036        super(holder);
037        this.method = method;
038    }
039
040    /**
041     * Returns a singleton list of the {@link Method} provided in the
042     * constructor.
043     */
044    @Override
045    public List<Method> getMethods() {
046        return Collections.singletonList(method);
047    }
048
049    @Override
050    public Intent getIntent(final Method method) {
051        // LIMITATION: we cannot distinguish between setXxx being called for a modify or for an initialization
052        // so we just assume its a setter.
053        return Intent.MODIFY_PROPERTY;
054    }
055
056    @Override
057    public boolean impliesResolve() {
058        return false;
059    }
060
061    @Override
062    public boolean impliesObjectChanged() {
063        return false;
064    }
065
066    @Override
067    public void initProperty(final ObjectAdapter owningAdapter, final ObjectAdapter initialAdapter) {
068        AdapterInvokeUtils.invoke(method, owningAdapter, initialAdapter);
069    }
070
071    @Override
072    protected String toStringValues() {
073        return "method=" + method;
074    }
075
076}