001/**
002 *  Licensed to the Apache Software Foundation (ASF) under one or more
003 *  contributor license agreements.  See the NOTICE file distributed with
004 *  this work for additional information regarding copyright ownership.
005 *  The ASF licenses this file to You under the Apache License, Version 2.0
006 *  (the "License"); you may not use this file except in compliance with
007 *  the License.  You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 *  Unless required by applicable law or agreed to in writing, software
012 *  distributed under the License is distributed on an "AS IS" BASIS,
013 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 *  See the License for the specific language governing permissions and
015 *  limitations under the License.
016 */
017package org.apache.isis.objectstore.jdo.applib.service.background;
018
019import java.util.List;
020import java.util.UUID;
021
022import org.slf4j.Logger;
023import org.slf4j.LoggerFactory;
024
025import org.apache.isis.applib.AbstractFactoryAndRepository;
026import org.apache.isis.applib.annotation.DomainService;
027import org.apache.isis.applib.annotation.Programmatic;
028import org.apache.isis.applib.query.QueryDefault;
029import org.apache.isis.objectstore.jdo.applib.service.command.CommandJdo;
030
031/**
032 * Provides supporting functionality for querying
033 * {@link org.apache.isis.objectstore.jdo.applib.service.command.CommandJdo command} entities that have been persisted
034 * to execute in the background.
035 *
036 * <p>
037 * This supporting service with no UI and no side-effects, and is there are no other implementations of the service,
038 * thus has been annotated with {@link org.apache.isis.applib.annotation.DomainService}.  This means that there is no
039 * need to explicitly register it as a service (eg in <tt>isis.properties</tt>).
040 */
041@DomainService
042public class BackgroundCommandServiceJdoRepository extends AbstractFactoryAndRepository {
043
044    @SuppressWarnings("unused")
045    private static final Logger LOG = LoggerFactory.getLogger(BackgroundCommandServiceJdoRepository.class);
046
047    @Programmatic
048    public List<CommandJdo> findByTransactionId(final UUID transactionId) {
049        return allMatches(
050                new QueryDefault<CommandJdo>(CommandJdo.class, 
051                        "findBackgroundCommandByTransactionId", 
052                        "transactionId", transactionId));
053    }
054
055    @Programmatic
056    public List<CommandJdo> findByParent(CommandJdo parent) {
057        return allMatches(
058                new QueryDefault<CommandJdo>(CommandJdo.class, 
059                        "findBackgroundCommandsByParent", 
060                        "parent", parent));
061    }
062
063    @Programmatic
064    public List<CommandJdo> findBackgroundCommandsNotYetStarted() {
065        return allMatches(
066                new QueryDefault<CommandJdo>(CommandJdo.class, 
067                        "findBackgroundCommandsNotYetStarted"));
068    }
069    
070}