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1   /**
2    * Copyright (c) 2012-2015, 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.odesk;
31  
32  import com.jcabi.aspects.Immutable;
33  import java.io.IOException;
34  import java.math.BigDecimal;
35  import javax.validation.constraints.NotNull;
36  
37  /**
38   * Adjustments.
39   *
40   * @author Yegor Bugayenko (yegor@tpc2.com)
41   * @version $Id: c51cb7d83fb170455c53cef58a4499d7efda97a4 $
42   * @since 0.1
43   */
44  @Immutable
45  public interface Adjustments {
46  
47      /**
48       * Make a custom/bonus payment.
49       * @param engagement Engagement reference number
50       * @param charge Amount to be charged from the payer (can be zero)
51       * @param comments Payment comments
52       * @param notes Notes to add to the payment
53       * @return Reference ID of a new adjustment
54       * @throws IOException If fails due to IO problem
55       * @see <a href="http://developers.odesk.com/w/page/25400171/Custom%20Payment%20API">Custom Payment API</a>
56       * @checkstyle ParameterNumber (10 lines)
57       * @since 0.7
58       */
59      @NotNull(message = "adjustment ID is never NULL")
60      String add(
61          @NotNull(message = "engagement ref can't be NULL") String engagement,
62          @NotNull(message = "charge amount can't be NULL") BigDecimal charge,
63          @NotNull(message = "comments can't be NULL") String comments,
64          @NotNull(message = "notes can't be NULL") String notes)
65          throws IOException;
66  
67      /**
68       * Get list of all adjustments (their reference IDs).
69       * @return List of them all
70       * @throws IOException If fails due to IO problem
71       * @see <a href="http://developers.odesk.com/w/page/25400171/Custom%20Payment%20API">Custom Payment API</a>
72       */
73      @NotNull(message = "iterable of adjustments is never NULL")
74      Iterable<String> iterate() throws IOException;
75  
76  }