001/*
002 * SPDX-License-Identifier: Apache-2.0
003 *
004 * Copyright 2024-2026 The Enola <https://enola.dev> Authors
005 *
006 * Licensed under the Apache License, Version 2.0 (the "License");
007 * you may not use this file except in compliance with the License.
008 * You may obtain a copy of the License at
009 *
010 *     https://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package dev.enola.thing.repo;
019
020import com.google.common.collect.ImmutableList;
021
022import dev.enola.data.RepositoryBuilder;
023import dev.enola.data.Trigger;
024import dev.enola.thing.Thing;
025
026/**
027 * Builds a read-only Repository of {@link Thing}s.
028 *
029 * <p>{@link ThingMemoryRepositoryRW} is one of possibly several other alternatives for this.
030 */
031public class ThingMemoryRepositoryROBuilder extends RepositoryBuilder<Thing>
032        implements ThingRepositoryStore {
033
034    public ThingMemoryRepositoryROBuilder(ImmutableList<Trigger<? extends Thing>> triggers) {
035        super(triggers);
036    }
037
038    public ThingMemoryRepositoryROBuilder() {
039        this(ImmutableList.of());
040    }
041
042    @Override
043    protected String getIRI(Thing thing) {
044        return require(thing.iri(), "iri");
045    }
046
047    @Override
048    public ThingMemoryRepositoryROBuilder store(Thing item) {
049        super.store(item);
050        return this;
051    }
052
053    @Override
054    public ThingMemoryRepositoryROBuilder storeAll(Iterable<Thing> items) {
055        super.storeAll(items);
056        return this;
057    }
058
059    @Override
060    public ThingRepository build() {
061        var thingRepository = super.build();
062        return new ThingRepository() {
063
064            @Override
065            public Iterable<String> listIRI() {
066                return thingRepository.listIRI();
067            }
068
069            @Override
070            public Thing get(String iri) {
071                return thingRepository.get(iri);
072            }
073        };
074    }
075}