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1 <?php |
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2 /** |
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3 * Zend Framework |
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4 * |
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5 * LICENSE |
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6 * |
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7 * This source file is subject to the new BSD license that is bundled |
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8 * with this package in the file LICENSE.txt. |
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9 * It is also available through the world-wide-web at this URL: |
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10 * http://framework.zend.com/license/new-bsd |
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11 * If you did not receive a copy of the license and are unable to |
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12 * obtain it through the world-wide-web, please send an email |
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13 * to license@zend.com so we can send you a copy immediately. |
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14 * |
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15 * @category Zend |
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16 * @package Zend_Application |
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17 * @subpackage Resource |
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18 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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19 * @license http://framework.zend.com/license/new-bsd New BSD License |
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20 * @version $Id: Db.php 22544 2010-07-10 15:01:37Z freak $ |
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21 */ |
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22 |
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23 /** |
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24 * @see Zend_Application_Resource_ResourceAbstract |
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25 */ |
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26 require_once 'Zend/Application/Resource/ResourceAbstract.php'; |
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27 |
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28 /** |
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29 * Resource for creating database adapter |
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30 * |
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31 * @uses Zend_Application_Resource_ResourceAbstract |
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32 * @category Zend |
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33 * @package Zend_Application |
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34 * @subpackage Resource |
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35 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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36 * @license http://framework.zend.com/license/new-bsd New BSD License |
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37 */ |
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38 class Zend_Application_Resource_Db extends Zend_Application_Resource_ResourceAbstract |
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39 { |
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40 /** |
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41 * Adapter to use |
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42 * |
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43 * @var string |
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44 */ |
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45 protected $_adapter = null; |
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46 |
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47 /** |
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48 * @var Zend_Db_Adapter_Interface |
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49 */ |
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50 protected $_db; |
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51 |
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52 /** |
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53 * Parameters to use |
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54 * |
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55 * @var array |
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56 */ |
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57 protected $_params = array(); |
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58 |
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59 /** |
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60 * Wether to register the created adapter as default table adapter |
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61 * |
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62 * @var boolean |
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63 */ |
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64 protected $_isDefaultTableAdapter = true; |
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65 |
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66 /** |
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67 * Set the adapter |
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68 * |
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69 * @param $adapter string |
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70 * @return Zend_Application_Resource_Db |
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71 */ |
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72 public function setAdapter($adapter) |
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73 { |
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74 $this->_adapter = $adapter; |
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75 return $this; |
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76 } |
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77 |
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78 /** |
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79 * Adapter type to use |
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80 * |
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81 * @return string |
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82 */ |
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83 public function getAdapter() |
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84 { |
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85 return $this->_adapter; |
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86 } |
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87 |
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88 /** |
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89 * Set the adapter params |
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90 * |
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91 * @param $adapter string |
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92 * @return Zend_Application_Resource_Db |
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93 */ |
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94 public function setParams(array $params) |
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95 { |
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96 $this->_params = $params; |
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97 return $this; |
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98 } |
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99 |
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100 /** |
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101 * Adapter parameters |
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102 * |
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103 * @return array |
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104 */ |
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105 public function getParams() |
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106 { |
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107 return $this->_params; |
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108 } |
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109 |
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110 /** |
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111 * Set whether to use this as default table adapter |
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112 * |
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113 * @param boolean $defaultTableAdapter |
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114 * @return Zend_Application_Resource_Db |
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115 */ |
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116 public function setIsDefaultTableAdapter($isDefaultTableAdapter) |
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117 { |
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118 $this->_isDefaultTableAdapter = $isDefaultTableAdapter; |
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119 return $this; |
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120 } |
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121 |
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122 /** |
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123 * Is this adapter the default table adapter? |
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124 * |
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125 * @return void |
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126 */ |
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127 public function isDefaultTableAdapter() |
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128 { |
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129 return $this->_isDefaultTableAdapter; |
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130 } |
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131 |
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132 /** |
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133 * Retrieve initialized DB connection |
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134 * |
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135 * @return null|Zend_Db_Adapter_Interface |
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136 */ |
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137 public function getDbAdapter() |
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138 { |
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139 if ((null === $this->_db) |
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140 && (null !== ($adapter = $this->getAdapter())) |
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141 ) { |
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142 $this->_db = Zend_Db::factory($adapter, $this->getParams()); |
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143 } |
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144 return $this->_db; |
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145 } |
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146 |
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147 /** |
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148 * Defined by Zend_Application_Resource_Resource |
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149 * |
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150 * @return Zend_Db_Adapter_Abstract|null |
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151 */ |
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152 public function init() |
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153 { |
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154 if (null !== ($db = $this->getDbAdapter())) { |
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155 if ($this->isDefaultTableAdapter()) { |
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156 Zend_Db_Table::setDefaultAdapter($db); |
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157 } |
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158 return $db; |
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159 } |
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160 } |
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161 |
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162 /** |
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163 * Set the default metadata cache |
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164 * |
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165 * @param string|Zend_Cache_Core $cache |
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166 * @return Zend_Application_Resource_Db |
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167 */ |
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168 public function setDefaultMetadataCache($cache) |
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169 { |
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170 $metadataCache = null; |
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171 |
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172 if (is_string($cache)) { |
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173 $bootstrap = $this->getBootstrap(); |
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174 if ($bootstrap instanceof Zend_Application_Bootstrap_ResourceBootstrapper |
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175 && $bootstrap->hasPluginResource('CacheManager') |
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176 ) { |
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177 $cacheManager = $bootstrap->bootstrap('CacheManager') |
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178 ->getResource('CacheManager'); |
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179 if (null !== $cacheManager && $cacheManager->hasCache($cache)) { |
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180 $metadataCache = $cacheManager->getCache($cache); |
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181 } |
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182 } |
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183 } else if ($cache instanceof Zend_Cache_Core) { |
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184 $metadataCache = $cache; |
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185 } |
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186 |
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187 if ($metadataCache instanceof Zend_Cache_Core) { |
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188 Zend_Db_Table::setDefaultMetadataCache($metadataCache); |
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189 } |
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190 |
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191 return $this; |
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192 } |
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193 } |