001/* -*- mode: Java; c-basic-offset: 2; indent-tabs-mode: nil; coding: utf-8-unix -*- 002 * 003 * Copyright © 2023 microBean™. 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with 006 * the License. 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 distributed under the License is distributed on 011 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the 012 * specific language governing permissions and limitations under the License. 013 */ 014package org.microbean.qualifier; 015 016import java.util.Collection; 017 018/** 019 * An interface whose implementations have affiliated {@link NamedAttributeMap} instances. 020 * 021 * @author <a href="https://about.me/lairdnelson" target="_parent">Laird Nelson</a> 022 */ 023public interface AttributeBearing<V> { 024 025 /** 026 * Returns the affiliated {@link NamedAttributeMap} instances. 027 * 028 * <p>Implementations of this method must not return {@code null}. 029 * 030 * @return the affiliated {@link NamedAttributeMap} instances; never {@code null} 031 */ 032 public Collection<NamedAttributeMap<V>> attributes(); 033 034}