FinderWithIdMapSupport.java
- /*
- * *************************************************************************************************************************************************************
- *
- * TheseFoolishThings: Miscellaneous utilities
- * http://tidalwave.it/projects/thesefoolishthings
- *
- * Copyright (C) 2009 - 2024 by Tidalwave s.a.s. (http://tidalwave.it)
- *
- * *************************************************************************************************************************************************************
- *
- * Licensed 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.
- *
- * *************************************************************************************************************************************************************
- *
- * git clone https://bitbucket.org/tidalwave/thesefoolishthings-src
- * git clone https://github.com/tidalwave-it/thesefoolishthings-src
- *
- * *************************************************************************************************************************************************************
- */
- package it.tidalwave.util.spi;
- import javax.annotation.Nonnull;
- import java.util.ArrayList;
- import java.util.Collections;
- import java.util.HashMap;
- import java.util.List;
- import java.util.Map;
- import java.util.Optional;
- import it.tidalwave.util.Id;
- import lombok.RequiredArgsConstructor;
- /***************************************************************************************************************************************************************
- *
- * An implementation of {@link FinderWithIdSupport} based on a {@link Map}.
- *
- * @param <T> the product abstract type
- * @param <I> the product concrete type
- * @param <F> the {@code Finder} type
- * @since 3.2-ALPHA-15
- *
- * @author Fabrizio Giudici
- * @it.tidalwave.javadoc.experimental
- *
- **************************************************************************************************************************************************************/
- @RequiredArgsConstructor
- public class FinderWithIdMapSupport<T, I extends T, F extends ExtendedFinderSupport<T, F>>
- extends FinderWithIdSupport<T, I, F>
- {
- private static final long serialVersionUID = 1L;
- @Nonnull
- private final Map<Id, I> mapById;
- public FinderWithIdMapSupport()
- {
- mapById = Collections.emptyMap();
- }
- public FinderWithIdMapSupport (@Nonnull final FinderWithIdMapSupport<T, I, F> other,
- @Nonnull final Object override)
- {
- super(other, override);
- final FinderWithIdMapSupport<T, I, F> source = getSource(FinderWithIdMapSupport.class, other, override);
- mapById = new HashMap<>(source.mapById);
- }
- @Override @Nonnull
- protected List<T> findAll()
- {
- return new ArrayList<>(mapById.values());
- }
- @Override @Nonnull
- protected Optional<T> findById (@Nonnull final Id id)
- {
- return Optional.ofNullable(mapById.get(id));
- }
- }