001/*
002 * SPDX-License-Identifier: Apache-2.0
003 *
004 * Copyright 2025-2026 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.common.name;
019
020import com.google.common.collect.ImmutableMap;
021
022import java.util.Map;
023import java.util.Optional;
024import java.util.Set;
025
026public class ImmutableNamedTypedObjectProvider<T> implements NamedTypedObjectProvider<T> {
027
028    private final ImmutableMap<String, T> map;
029
030    public ImmutableNamedTypedObjectProvider(Map<String, T> map) {
031        this.map = ImmutableMap.copyOf(map);
032    }
033
034    @Override
035    public Set<String> names() {
036        return map.keySet();
037    }
038
039    @Override
040    public Optional<T> opt(String name) {
041        return Optional.ofNullable(map.get(name));
042    }
043}