001/*
002 * JDrupes Builder
003 * Copyright (C) 2026 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.core;
020
021import java.time.Instant;
022import java.util.Optional;
023import org.jdrupes.builder.api.ResourceType;
024import org.jdrupes.builder.api.VirtualResource;
025
026/// An implementation of [VirtualResource].
027///
028public class DefaultVirtualResource extends ResourceObject
029        implements VirtualResource {
030
031    private final Instant createdAt = Instant.now();
032
033    /// Initializes a new default virtual resource.
034    ///
035    /// @param type the type
036    ///
037    public DefaultVirtualResource(ResourceType<?> type) {
038        super(type);
039    }
040
041    @Override
042    public Optional<Instant> asOf() {
043        return Optional.of(createdAt);
044    }
045
046}