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1   /**
2    * Copyright (c) 2014, stateful.co
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 stateful.co 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 co.stateful.quota;
31  
32  import co.stateful.spi.Base;
33  import co.stateful.spi.User;
34  import com.jcabi.aspects.Immutable;
35  import com.jcabi.aspects.Loggable;
36  import com.jcabi.urn.URN;
37  import lombok.EqualsAndHashCode;
38  import lombok.ToString;
39  
40  /**
41   * Quota on a Base.
42   *
43   * @author Yegor Bugayenko (yegor@tpc2.com)
44   * @version $Id$
45   * @since 1.4
46   */
47  @Immutable
48  @ToString
49  @EqualsAndHashCode(of = { "origin", "quota" })
50  @Loggable(Loggable.DEBUG)
51  public final class QtBase implements Base {
52  
53      /**
54       * Original object.
55       */
56      private final transient Base origin;
57  
58      /**
59       * Quota.
60       */
61      private final transient Quota quota;
62  
63      /**
64       * Ctor.
65       * @param org Original object
66       * @param qta Quota
67       */
68      public QtBase(final Base org, final Quota qta) {
69          this.origin = org;
70          this.quota = qta;
71      }
72  
73      @Override
74      public User user(final URN urn) {
75          return new QtUser(
76              this.origin.user(urn),
77              this.quota.into(urn.toString())
78          );
79      }
80  }