001/*
002 * JDrupes Builder
003 * Copyright (C) 2025 Michael N. Lipp
004 * 
005 * This program is free software: you can redistribute it and/or modify
006 * it under the terms of the GNU Affero General Public License as
007 * published by the Free Software Foundation, either version 3 of the
008 * License, or (at your option) any later version.
009 *
010 * This program is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
013 * GNU Affero General Public License for more details.
014 *
015 * You should have received a copy of the GNU Affero General Public License
016 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
017 */
018
019package org.jdrupes.builder.api;
020
021import java.util.stream.Stream;
022
023/// Helper class for implementing [Project#from].
024///
025/// @param context the context
026/// @param providers the providers
027///
028public record FromHelper(BuildContext context,
029        Stream<ResourceProvider> providers) {
030
031    /// Returns the requested resources using the context and providers 
032    /// passed to the record's constructor.
033    ///
034    /// @param <T> the generic type
035    /// @param request the request
036    /// @return the stream
037    ///
038    public <T extends Resource> Stream<T> get(ResourceRequest<T> request) {
039        return providers.flatMap(provider -> context.get(provider, request));
040    }
041
042}