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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.AmazonSimpleDB;
33  import com.jcabi.aspects.Immutable;
34  import com.jcabi.aspects.Loggable;
35  import javax.validation.constraints.NotNull;
36  import lombok.EqualsAndHashCode;
37  import lombok.ToString;
38  
39  /**
40   * Amazon SimpleDB region.
41   *
42   * <p>It is recommended to use {@link Region.Simple} in most cases.
43   *
44   * <p>You can use {@link #aws()} method to get access to Amazon SimpleDB
45   * client directly.
46   *
47   * @since 0.1
48   */
49  @Immutable
50  public interface Region {
51  
52      /**
53       * Get SimpleDB client.
54       * @return The client
55       */
56      @NotNull(message = "AWS SimpleDB client is never NULL")
57      AmazonSimpleDB aws();
58  
59      /**
60       * Get one domain.
61       * @param name Domain name
62       * @return Domain
63       */
64      @NotNull(message = "domain is never NULL")
65      Domain domain(@NotNull String name);
66  
67      /**
68       * Simple region, basic implementation.
69       *
70       * @since 0.1
71       */
72      @Immutable
73      @Loggable(Loggable.DEBUG)
74      @ToString
75      @EqualsAndHashCode(of = "credentials")
76      final class Simple implements Region {
77          /**
78           * Credentials.
79           */
80          private final transient Credentials credentials;
81  
82          /**
83           * Public ctor.
84           * @param creds Credentials
85           */
86          public Simple(@NotNull(message = "credentials can't be NULL")
87              final Credentials creds) {
88              this.credentials = creds;
89          }
90  
91          @Override
92          @NotNull(message = "AWS client is never NULL")
93          public AmazonSimpleDB aws() {
94              return this.credentials.aws();
95          }
96  
97          @Override
98          @NotNull(message = "domain is never NULL")
99          public Domain domain(@NotNull final String name) {
100             return new AwsDomain(this.credentials, name);
101         }
102     }
103 
104 }