/*
* 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.services.jdosupport;
import javax.jdo.JDOHelper;
import org.datanucleus.enhancement.Persistable;
import org.datanucleus.identity.DatastoreId;
import org.apache.isis.applib.annotation.Action;
import org.apache.isis.applib.annotation.ActionLayout;
import org.apache.isis.applib.annotation.Contributed;
import org.apache.isis.applib.annotation.MemberOrder;
import org.apache.isis.applib.annotation.Mixin;
import org.apache.isis.applib.annotation.PropertyLayout;
import org.apache.isis.applib.annotation.SemanticsOf;
import org.apache.isis.applib.annotation.Where;
@Mixin(method = "exec")
public class Persistable_datanucleusIdLong {
private final Persistable persistable;
public Persistable_datanucleusIdLong(final Persistable persistable) {
this.persistable = persistable;
}
public static class ActionDomainEvent extends org.apache.isis.applib.IsisApplibModule.ActionDomainEvent<Persistable_datanucleusIdLong> {}
@Action(
domainEvent = ActionDomainEvent.class,
semantics = SemanticsOf.SAFE
)
@ActionLayout(
contributed = Contributed.AS_ASSOCIATION
)
@PropertyLayout(
named = "Id",
hidden = Where.ALL_TABLES
)
@MemberOrder(name = "Metadata", sequence = "800.1")
public Long exec() {
final Object objectId = JDOHelper.getObjectId(persistable);
if(objectId instanceof DatastoreId) {
final DatastoreId datastoreId = (DatastoreId) objectId;
final Object id = datastoreId.getKeyAsObject();
return id != null && id instanceof Long ? (Long) id : null;
}
return null;
}
public boolean hideExec() {
return exec() == null;
}
}