001/*
002 * Copyright 2019  nils.hoffmann.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package de.isas.lipidomics.domain;
017
018import de.isas.lipidomics.palinom.exceptions.ConstraintViolationException;
019import lombok.AllArgsConstructor;
020import lombok.Data;
021
022/**
023 * A generic lipid fragment. There is currently no further specialization in
024 * fragment handling available, since the nomenclature is still not standardized
025 * in a way that would allow for generic detection of fragment-specific
026 * features.
027 *
028 * @author nils.hoffmann
029 */
030@AllArgsConstructor
031@Data
032public class Fragment {
033
034    private static final class None extends Fragment {
035
036        private None() {
037            super("");
038        }
039    }
040
041    public static final Fragment NONE = new None();
042
043    private final String name;
044
045    /**
046     * Returns the string representation of this fragment.
047     *
048     * @return the fragment string.
049     */
050    public String getLipidString() {
051        return name;
052    }
053}