|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* WebHemi. |
|
4
|
|
|
* |
|
5
|
|
|
* PHP version 5.6 |
|
6
|
|
|
* |
|
7
|
|
|
* @copyright 2012 - 2016 Gixx-web (http://www.gixx-web.com) |
|
8
|
|
|
* @license https://opensource.org/licenses/MIT The MIT License (MIT) |
|
9
|
|
|
* |
|
10
|
|
|
* @link http://www.gixx-web.com |
|
11
|
|
|
*/ |
|
12
|
|
|
namespace WebHemi\Data\Storage; |
|
13
|
|
|
|
|
14
|
|
|
use InvalidArgumentException; |
|
15
|
|
|
use WebHemi\Adapter\Data\DataAdapterInterface; |
|
16
|
|
|
use WebHemi\Data\Entity\DataEntityInterface; |
|
17
|
|
|
|
|
18
|
|
|
/** |
|
19
|
|
|
* Class AbstractDataStorage. |
|
20
|
|
|
* Suppose to hide DataAdapter and DataEntity instances from children Storage objects. |
|
21
|
|
|
*/ |
|
22
|
|
|
abstract class AbstractDataStorage implements DataStorageInterface |
|
23
|
|
|
{ |
|
24
|
|
|
/** @var DataAdapterInterface */ |
|
25
|
|
|
private $defaultAdapter; |
|
26
|
|
|
/** @var DataEntityInterface */ |
|
27
|
|
|
private $entityPrototype; |
|
28
|
|
|
/** @var string */ |
|
29
|
|
|
protected $dataGroup; |
|
30
|
|
|
/** @var string */ |
|
31
|
|
|
protected $idKey; |
|
32
|
|
|
/** @var bool */ |
|
33
|
|
|
protected $initialized = false; |
|
34
|
|
|
|
|
35
|
|
|
/** |
|
36
|
|
|
* AbstractDataStorage constructor. The DataEntity SHOULD not be used directly unless it is required to represent |
|
37
|
|
|
* the same instance all the time. |
|
38
|
|
|
* |
|
39
|
|
|
* @param DataAdapterInterface $defaultAdapter |
|
40
|
|
|
* @param DataEntityInterface $entityPrototype |
|
41
|
|
|
*/ |
|
42
|
25 |
|
final public function __construct(DataAdapterInterface $defaultAdapter, DataEntityInterface $entityPrototype) |
|
43
|
|
|
{ |
|
44
|
|
|
// Every Storage object MUST have unique adapter instance to avoid override private properties like "dataGroup" |
|
45
|
25 |
|
$this->defaultAdapter = clone $defaultAdapter; |
|
46
|
25 |
|
$this->entityPrototype = $entityPrototype; |
|
47
|
25 |
|
$this->init(); |
|
48
|
25 |
|
} |
|
49
|
|
|
|
|
50
|
|
|
/** |
|
51
|
|
|
* Special initialization method. The constructor MUST call it. |
|
52
|
|
|
* |
|
53
|
|
|
* @return DataStorageInterface |
|
54
|
|
|
*/ |
|
55
|
25 |
|
public function init() |
|
56
|
|
|
{ |
|
57
|
|
|
// They always walk in pair. |
|
58
|
25 |
|
if (!empty($this->dataGroup) && !empty($this->idKey)) { |
|
59
|
22 |
|
$this->defaultAdapter->setDataGroup($this->dataGroup); |
|
60
|
22 |
|
$this->defaultAdapter->setIdKey($this->idKey); |
|
61
|
|
|
|
|
62
|
22 |
|
$this->initialized = true; |
|
63
|
22 |
|
} |
|
64
|
|
|
|
|
65
|
25 |
|
return $this; |
|
66
|
|
|
} |
|
67
|
|
|
|
|
68
|
|
|
/** |
|
69
|
|
|
* Checks if the storage is initialized. |
|
70
|
|
|
* |
|
71
|
|
|
* @return bool |
|
72
|
|
|
*/ |
|
73
|
7 |
|
final public function initialized() |
|
74
|
|
|
{ |
|
75
|
7 |
|
return $this->initialized; |
|
76
|
|
|
} |
|
77
|
|
|
|
|
78
|
|
|
/** |
|
79
|
|
|
* Returns the DataAdapter instance. |
|
80
|
|
|
* |
|
81
|
|
|
* @return DataAdapterInterface |
|
82
|
|
|
*/ |
|
83
|
22 |
|
final public function getDataAdapter() |
|
84
|
|
|
{ |
|
85
|
22 |
|
return $this->defaultAdapter; |
|
86
|
|
|
} |
|
87
|
|
|
|
|
88
|
|
|
/** |
|
89
|
|
|
* Creates an empty entity. Should be use by getters. |
|
90
|
|
|
* |
|
91
|
|
|
* @return DataEntityInterface |
|
92
|
|
|
*/ |
|
93
|
22 |
|
final public function createEntity() |
|
94
|
|
|
{ |
|
95
|
22 |
|
return clone $this->entityPrototype; |
|
96
|
|
|
} |
|
97
|
|
|
|
|
98
|
|
|
/** |
|
99
|
|
|
* Saves data. |
|
100
|
|
|
* |
|
101
|
|
|
* @param DataEntityInterface &$entity |
|
102
|
|
|
* @return mixed The ID of the saved entity in the storage |
|
103
|
|
|
*/ |
|
104
|
1 |
|
public function saveEntity(DataEntityInterface &$entity) |
|
105
|
|
|
{ |
|
106
|
1 |
|
$entityClass = get_class($entity); |
|
107
|
1 |
|
$storageEntityClass = get_class($this->entityPrototype); |
|
108
|
|
|
|
|
109
|
1 |
|
if ($entityClass != $storageEntityClass) { |
|
110
|
1 |
|
throw new InvalidArgumentException( |
|
111
|
1 |
|
sprintf( |
|
112
|
1 |
|
'Cannot use %s with this data storage class. You must use %s.', |
|
113
|
1 |
|
$entityClass, |
|
114
|
|
|
$storageEntityClass |
|
115
|
1 |
|
) |
|
116
|
1 |
|
); |
|
117
|
|
|
} |
|
118
|
|
|
|
|
119
|
1 |
|
$dataId = $this->getDataAdapter()->saveData($entity->getKeyData(), $this->getEntityData($entity)); |
|
120
|
|
|
|
|
121
|
|
|
// If key data is empty, then it was an insert. Get a new entity with all data. |
|
122
|
1 |
|
if ($dataId && empty($entity->getKeyData())) { |
|
123
|
1 |
|
$entityData = $this->getDataAdapter()->getData($dataId); |
|
124
|
1 |
|
$this->populateEntity($entity, $entityData); |
|
125
|
1 |
|
} |
|
126
|
|
|
|
|
127
|
1 |
|
return $dataId; |
|
128
|
|
|
} |
|
129
|
|
|
|
|
130
|
|
|
/** |
|
131
|
|
|
* Get data from an entity. |
|
132
|
|
|
* |
|
133
|
|
|
* @param DataEntityInterface $entity |
|
134
|
|
|
* @return array |
|
135
|
|
|
*/ |
|
136
|
|
|
abstract protected function getEntityData(DataEntityInterface $entity); |
|
137
|
|
|
|
|
138
|
|
|
/** |
|
139
|
|
|
* Populates an entity with storage data. |
|
140
|
|
|
* |
|
141
|
|
|
* @param DataEntityInterface $entity |
|
142
|
|
|
* @param array $data |
|
143
|
|
|
*/ |
|
144
|
|
|
abstract protected function populateEntity(DataEntityInterface &$entity, array $data); |
|
145
|
|
|
} |
|
146
|
|
|
|
Gixx /
WebHemi
