comparison vendor/doctrine/common/lib/Doctrine/Common/Proxy/AbstractProxyFactory.php @ 0:4c8ae668cc8c

Initial import (non-working)
author Chris Cannam
date Wed, 29 Nov 2017 16:09:58 +0000
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1 <?php
2 /*
3 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
4 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
5 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
6 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
7 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
8 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
9 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
10 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
11 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
12 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
13 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
14 *
15 * This software consists of voluntary contributions made by many individuals
16 * and is licensed under the MIT license. For more information, see
17 * <http://www.doctrine-project.org>.
18 */
19
20 namespace Doctrine\Common\Proxy;
21
22 use Doctrine\Common\Persistence\Mapping\ClassMetadata;
23 use Doctrine\Common\Persistence\Mapping\ClassMetadataFactory;
24 use Doctrine\Common\Proxy\Exception\InvalidArgumentException;
25 use Doctrine\Common\Proxy\Exception\OutOfBoundsException;
26 use Doctrine\Common\Util\ClassUtils;
27
28 /**
29 * Abstract factory for proxy objects.
30 *
31 * @author Benjamin Eberlei <kontakt@beberlei.de>
32 */
33 abstract class AbstractProxyFactory
34 {
35 /**
36 * Never autogenerate a proxy and rely that it was generated by some
37 * process before deployment.
38 *
39 * @var integer
40 */
41 const AUTOGENERATE_NEVER = 0;
42
43 /**
44 * Always generates a new proxy in every request.
45 *
46 * This is only sane during development.
47 *
48 * @var integer
49 */
50 const AUTOGENERATE_ALWAYS = 1;
51
52 /**
53 * Autogenerate the proxy class when the proxy file does not exist.
54 *
55 * This strategy causes a file exists call whenever any proxy is used the
56 * first time in a request.
57 *
58 * @var integer
59 */
60 const AUTOGENERATE_FILE_NOT_EXISTS = 2;
61
62 /**
63 * Generate the proxy classes using eval().
64 *
65 * This strategy is only sane for development, and even then it gives me
66 * the creeps a little.
67 *
68 * @var integer
69 */
70 const AUTOGENERATE_EVAL = 3;
71
72 /**
73 * @var \Doctrine\Common\Persistence\Mapping\ClassMetadataFactory
74 */
75 private $metadataFactory;
76
77 /**
78 * @var \Doctrine\Common\Proxy\ProxyGenerator the proxy generator responsible for creating the proxy classes/files.
79 */
80 private $proxyGenerator;
81
82 /**
83 * @var bool Whether to automatically (re)generate proxy classes.
84 */
85 private $autoGenerate;
86
87 /**
88 * @var \Doctrine\Common\Proxy\ProxyDefinition[]
89 */
90 private $definitions = [];
91
92 /**
93 * @param \Doctrine\Common\Proxy\ProxyGenerator $proxyGenerator
94 * @param \Doctrine\Common\Persistence\Mapping\ClassMetadataFactory $metadataFactory
95 * @param bool|int $autoGenerate
96 */
97 public function __construct(ProxyGenerator $proxyGenerator, ClassMetadataFactory $metadataFactory, $autoGenerate)
98 {
99 $this->proxyGenerator = $proxyGenerator;
100 $this->metadataFactory = $metadataFactory;
101 $this->autoGenerate = (int)$autoGenerate;
102 }
103
104 /**
105 * Gets a reference proxy instance for the entity of the given type and identified by
106 * the given identifier.
107 *
108 * @param string $className
109 * @param array $identifier
110 *
111 * @return \Doctrine\Common\Proxy\Proxy
112 *
113 * @throws \Doctrine\Common\Proxy\Exception\OutOfBoundsException
114 */
115 public function getProxy($className, array $identifier)
116 {
117 $definition = isset($this->definitions[$className])
118 ? $this->definitions[$className]
119 : $this->getProxyDefinition($className);
120 $fqcn = $definition->proxyClassName;
121 $proxy = new $fqcn($definition->initializer, $definition->cloner);
122
123 foreach ($definition->identifierFields as $idField) {
124 if (! isset($identifier[$idField])) {
125 throw OutOfBoundsException::missingPrimaryKeyValue($className, $idField);
126 }
127
128 $definition->reflectionFields[$idField]->setValue($proxy, $identifier[$idField]);
129 }
130
131 return $proxy;
132 }
133
134 /**
135 * Generates proxy classes for all given classes.
136 *
137 * @param \Doctrine\Common\Persistence\Mapping\ClassMetadata[] $classes The classes (ClassMetadata instances)
138 * for which to generate proxies.
139 * @param string $proxyDir The target directory of the proxy classes. If not specified, the
140 * directory configured on the Configuration of the EntityManager used
141 * by this factory is used.
142 * @return int Number of generated proxies.
143 */
144 public function generateProxyClasses(array $classes, $proxyDir = null)
145 {
146 $generated = 0;
147
148 foreach ($classes as $class) {
149 if ($this->skipClass($class)) {
150 continue;
151 }
152
153 $proxyFileName = $this->proxyGenerator->getProxyFileName($class->getName(), $proxyDir);
154
155 $this->proxyGenerator->generateProxyClass($class, $proxyFileName);
156
157 $generated += 1;
158 }
159
160 return $generated;
161 }
162
163 /**
164 * Reset initialization/cloning logic for an un-initialized proxy
165 *
166 * @param \Doctrine\Common\Proxy\Proxy $proxy
167 *
168 * @return \Doctrine\Common\Proxy\Proxy
169 *
170 * @throws \Doctrine\Common\Proxy\Exception\InvalidArgumentException
171 */
172 public function resetUninitializedProxy(Proxy $proxy)
173 {
174 if ($proxy->__isInitialized()) {
175 throw InvalidArgumentException::unitializedProxyExpected($proxy);
176 }
177
178 $className = ClassUtils::getClass($proxy);
179 $definition = isset($this->definitions[$className])
180 ? $this->definitions[$className]
181 : $this->getProxyDefinition($className);
182
183 $proxy->__setInitializer($definition->initializer);
184 $proxy->__setCloner($definition->cloner);
185
186 return $proxy;
187 }
188
189 /**
190 * Get a proxy definition for the given class name.
191 *
192 * @param string $className
193 *
194 * @return ProxyDefinition
195 */
196 private function getProxyDefinition($className)
197 {
198 $classMetadata = $this->metadataFactory->getMetadataFor($className);
199 $className = $classMetadata->getName(); // aliases and case sensitivity
200
201 $this->definitions[$className] = $this->createProxyDefinition($className);
202 $proxyClassName = $this->definitions[$className]->proxyClassName;
203
204 if ( ! class_exists($proxyClassName, false)) {
205 $fileName = $this->proxyGenerator->getProxyFileName($className);
206
207 switch ($this->autoGenerate) {
208 case self::AUTOGENERATE_NEVER:
209 require $fileName;
210 break;
211
212 case self::AUTOGENERATE_FILE_NOT_EXISTS:
213 if ( ! file_exists($fileName)) {
214 $this->proxyGenerator->generateProxyClass($classMetadata, $fileName);
215 }
216 require $fileName;
217 break;
218
219 case self::AUTOGENERATE_ALWAYS:
220 $this->proxyGenerator->generateProxyClass($classMetadata, $fileName);
221 require $fileName;
222 break;
223
224 case self::AUTOGENERATE_EVAL:
225 $this->proxyGenerator->generateProxyClass($classMetadata, false);
226 break;
227 }
228 }
229
230 return $this->definitions[$className];
231 }
232
233 /**
234 * Determine if this class should be skipped during proxy generation.
235 *
236 * @param \Doctrine\Common\Persistence\Mapping\ClassMetadata $metadata
237 *
238 * @return bool
239 */
240 abstract protected function skipClass(ClassMetadata $metadata);
241
242 /**
243 * @param string $className
244 *
245 * @return ProxyDefinition
246 */
247 abstract protected function createProxyDefinition($className);
248 }