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ffcef054 TO |
1 | <?php |
2 | ||
3 | /** | |
4 | * Description of a one-way link between an option-value and an entity | |
5 | */ | |
6 | class CRM_Core_Reference_OptionValue extends CRM_Core_Reference_Basic { | |
7 | /** | |
9d451db8 | 8 | * Option group name. |
9 | * | |
10 | * @var string | |
ffcef054 TO |
11 | */ |
12 | protected $targetOptionGroupName; | |
13 | ||
14 | /** | |
e97c66ff | 15 | * Target Option Group ID. |
16 | * | |
17 | * @var int|null | |
ffcef054 TO |
18 | */ |
19 | protected $targetOptionGroupId; | |
20 | ||
a0ee3941 EM |
21 | /** |
22 | * @param $refTable | |
23 | * @param $refKey | |
24 | * @param null $targetTable | |
25 | * @param string $targetKey | |
26 | * @param null $optionGroupName | |
27 | */ | |
00be9182 | 28 | public function __construct($refTable, $refKey, $targetTable = NULL, $targetKey = 'id', $optionGroupName) { |
ffcef054 TO |
29 | parent::__construct($refTable, $refKey, $targetTable, $targetKey, NULL); |
30 | $this->targetOptionGroupName = $optionGroupName; | |
31 | } | |
32 | ||
a0ee3941 EM |
33 | /** |
34 | * @param CRM_Core_DAO $targetDao | |
35 | * | |
36 | * @return null|Object | |
37 | * @throws CRM_Core_Exception | |
38 | */ | |
ffcef054 | 39 | public function findReferences($targetDao) { |
353ffa53 | 40 | if (!($targetDao instanceof CRM_Core_DAO_OptionValue)) { |
ffcef054 TO |
41 | throw new CRM_Core_Exception("Mismatched reference: expected OptionValue but received " . get_class($targetDao)); |
42 | } | |
43 | if ($targetDao->option_group_id == $this->getTargetOptionGroupId()) { | |
44 | return parent::findReferences($targetDao); | |
0db6c3e1 TO |
45 | } |
46 | else { | |
ffcef054 TO |
47 | return NULL; |
48 | } | |
49 | } | |
50 | ||
a0ee3941 | 51 | /** |
e97c66ff | 52 | * Get Reference Count. |
53 | * | |
a0ee3941 EM |
54 | * @param CRM_Core_DAO $targetDao |
55 | * | |
56 | * @return array|null | |
57 | * @throws CRM_Core_Exception | |
58 | */ | |
1256c139 | 59 | public function getReferenceCount($targetDao) { |
353ffa53 | 60 | if (!($targetDao instanceof CRM_Core_DAO_OptionValue)) { |
1256c139 TO |
61 | throw new CRM_Core_Exception("Mismatched reference: expected OptionValue but received " . get_class($targetDao)); |
62 | } | |
63 | if ($targetDao->option_group_id == $this->getTargetOptionGroupId()) { | |
64 | return parent::getReferenceCount($targetDao); | |
0db6c3e1 TO |
65 | } |
66 | else { | |
1256c139 TO |
67 | return NULL; |
68 | } | |
69 | } | |
70 | ||
a0ee3941 | 71 | /** |
e97c66ff | 72 | * Get target option group ID. |
73 | * | |
74 | * @return int | |
a0ee3941 | 75 | */ |
ffcef054 TO |
76 | public function getTargetOptionGroupId() { |
77 | if ($this->targetOptionGroupId === NULL) { | |
78 | $this->targetOptionGroupId = CRM_Core_DAO::getFieldValue('CRM_Core_DAO_OptionGroup', $this->targetOptionGroupName, 'id', 'name'); | |
79 | } | |
80 | return $this->targetOptionGroupId; | |
81 | } | |
96025800 | 82 | |
a0ee3941 | 83 | } |