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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.Counters;
33  import co.stateful.spi.Locks;
34  import co.stateful.spi.User;
35  import com.jcabi.aspects.Immutable;
36  import com.jcabi.aspects.Loggable;
37  import java.io.IOException;
38  import lombok.EqualsAndHashCode;
39  import lombok.ToString;
40  
41  /**
42   * Quota on a User.
43   *
44   * @author Yegor Bugayenko (yegor@tpc2.com)
45   * @version $Id$
46   * @since 1.4
47   */
48  @Immutable
49  @ToString
50  @EqualsAndHashCode(of = { "origin", "quota" })
51  @Loggable(Loggable.DEBUG)
52  public final class QtUser implements User {
53  
54      /**
55       * Original object.
56       */
57      private final transient User origin;
58  
59      /**
60       * Quota to use.
61       */
62      private final transient Quota quota;
63  
64      /**
65       * Ctor.
66       * @param org Original object
67       * @param qta Quota
68       */
69      public QtUser(final User org, final Quota qta) {
70          this.origin = org;
71          this.quota = qta;
72      }
73  
74      @Override
75      public boolean exists() {
76          return this.origin.exists();
77      }
78  
79      @Override
80      public String token() throws IOException {
81          return this.origin.token();
82      }
83  
84      @Override
85      public void refresh() throws IOException {
86          this.origin.refresh();
87      }
88  
89      @Override
90      public Counters counters() {
91          return new QtCounters(this.origin.counters(), this.quota.into("c"));
92      }
93  
94      @Override
95      public Locks locks() {
96          return new QtLocks(this.origin.locks(), this.quota.into("k"));
97      }
98  }