1 /* 2 * Copyright (c) 2012-2022, jcabi.com 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 1) Redistributions of source code must retain the above 8 * copyright notice, this list of conditions and the following 9 * disclaimer. 2) Redistributions in binary form must reproduce the above 10 * copyright notice, this list of conditions and the following 11 * disclaimer in the documentation and/or other materials provided 12 * with the distribution. 3) Neither the name of the jcabi.com nor 13 * the names of its contributors may be used to endorse or promote 14 * products derived from this software without specific prior written 15 * permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT 19 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 20 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 21 * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 22 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 28 * OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 package com.jcabi.simpledb; 31 32 import com.amazonaws.services.simpledb.model.SelectRequest; 33 import com.jcabi.aspects.Immutable; 34 import javax.validation.constraints.NotNull; 35 36 /** 37 * Amazon SimpleDB domain abstraction. 38 * 39 * <p>Get an item from the domain and manipulate it, for example: 40 * 41 * <pre> Region region = new Region.Simple(...); 42 * Domain domain = region.domain("employees"); 43 * Item employee = domain.item("324"); 44 * employee.put("Name", "Jeffrey Lebowski"); 45 * for (Map.Entry<String, String> attr : employee.entrySet()) { 46 * System.out.println(attr.getKey() + ": " + attr.getValue()); 47 * }</pre> 48 * 49 * @since 0.1 50 */ 51 @Immutable 52 public interface Domain { 53 54 /** 55 * Create it. 56 */ 57 void create(); 58 59 /** 60 * Drop it. 61 */ 62 void drop(); 63 64 /** 65 * Get its name. 66 * @return Name of domain 67 */ 68 @NotNull(message = "name is never NULL") 69 String name(); 70 71 /** 72 * Get item. 73 * @param name Name of the item 74 * @return Item just created 75 */ 76 @NotNull(message = "item is never NULL") 77 Item item(@NotNull String name); 78 79 /** 80 * Select multiple items. 81 * @param request Select request 82 * @return Items found 83 */ 84 @NotNull(message = "collection of items is never NULL") 85 Iterable<Item> select(@NotNull SelectRequest request); 86 87 }