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* Licensed to the Apache Software Foundation (ASF) under one
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* 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
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package org.apache.isis.viewer.bdd.common.fixtures.perform;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.consent.Consent;
import org.apache.isis.core.metamodel.facets.properties.modify.PropertyClearFacet;
import org.apache.isis.core.metamodel.spec.feature.ObjectMember;
import org.apache.isis.core.metamodel.spec.feature.OneToOneAssociation;
import org.apache.isis.viewer.bdd.common.CellBinding;
import org.apache.isis.viewer.bdd.common.ScenarioBoundValueException;
public class ClearProperty extends PerformAbstractTypeParams {
private ObjectAdapter result;
public ClearProperty(final Perform.Mode mode) {
super("clear property", Type.PROPERTY, NumParameters.ZERO, mode);
}
@Override
public void doHandle(final PerformContext performContext) throws ScenarioBoundValueException {
final ObjectAdapter onAdapter = performContext.getOnAdapter();
final ObjectMember nakedObjectMember = performContext.getObjectMember();
final OneToOneAssociation otoa = (OneToOneAssociation) nakedObjectMember;
// set
final PropertyClearFacet clearFacet = otoa.getFacet(PropertyClearFacet.class);
final CellBinding thatItBinding = performContext.getPeer().getThatItBinding();
if (clearFacet == null) {
throw ScenarioBoundValueException.current(thatItBinding, "(cannot clear)");
}
// validate setting to null
final Consent validConsent = otoa.isAssociationValid(onAdapter, null);
if (validConsent.isVetoed()) {
throw ScenarioBoundValueException.current(thatItBinding, validConsent.getReason());
}
clearFacet.clearProperty(onAdapter);
}
@Override
public ObjectAdapter getResult() {
return result;
}
}