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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&lt;String, String&gt; 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  }