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1
1<?php
2
3declare(strict_types=1);
4
5/**
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; under version 2
9 * of the License (non-upgradable).
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
19 *
20 * Copyright (c) 2013 (original work) Open Assessment Technologies S.A.
21 *
22 * @author "Patrick Plichart, <patrick@taotesting.com>"
23 *
24 * An Assessment Result is used to report the results of a candidate's interaction
25 * with a test and/or one or more items attempted. Information about the test is optional,
26 * in some systems it may be possible to interact with items that are not organized into
27 * a test at all. For example, items that are organized with learning resources and
28 * presented individually in a formative context.
29 */
30class taoResultServer_models_classes_OutcomeVariable extends taoResultServer_models_classes_Variable
31{
32    public const TYPE = 'outcomeVariable';
33
34    /**
35     * taken from the corresponding outcomeDeclaration.
36     *
37     * @var float|null
38     */
39    protected $normalMaximum;
40
41    /** @var float|null */
42    protected $normalMinimum;
43
44    /**
45     * The value(s) of the outcome variable.
46     * The order of the values is significant only if the outcome was declared with ordered cardinality.
47     *
48     * @var string|null base64 encoded
49     */
50    protected $value;
51
52    public function setNormalMaximum(?float $normalMaximum): self
53    {
54        $this->normalMaximum = $normalMaximum;
55
56        return $this;
57    }
58
59    public function getNormalMaximum(): ?float
60    {
61        return $this->normalMaximum;
62    }
63
64    public function setNormalMinimum(?float $normalMinimum): self
65    {
66        $this->normalMinimum = $normalMinimum;
67
68        return $this;
69    }
70
71    public function getNormalMinimum(): ?float
72    {
73        return $this->normalMinimum;
74    }
75
76    /**
77     * {@inheritdoc}
78     */
79    public function getValue()
80    {
81        return base64_decode((string)$this->value);
82    }
83
84    /**
85     * {@inheritdoc}
86     */
87    public function setValue($value): self
88    {
89        return $this->setEncodedValue(base64_encode((string)$value));
90    }
91
92    public function setEncodedValue($encodedValue): self
93    {
94        $this->value = $encodedValue;
95
96        return $this;
97    }
98
99    /**
100     * {@inheritdoc}
101     */
102    public function jsonSerialize()
103    {
104        return parent::jsonSerialize() +
105            [
106                'normalMinimum' => $this->normalMinimum,
107                'normalMaximum' => $this->normalMaximum,
108                'value' => $this->value,
109            ];
110    }
111
112    protected function getType(): string
113    {
114        return self::TYPE;
115    }
116}