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LazyLoadingGhostGenerator.php
001 <?php
002 /*
003 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
004 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
005 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
006 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
007 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
008 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
009 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
010 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
011 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
012 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
013 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
014 *
015 * This software consists of voluntary contributions made by many individuals
016 * and is licensed under the MIT license.
017 */
018
019 namespace ProxyManager\ProxyGenerator;
020
021 use ProxyManager\Generator\Util\ClassGeneratorUtils;
022 use ProxyManager\ProxyGenerator\Assertion\CanProxyAssertion;
023 use ProxyManager\ProxyGenerator\LazyLoading\MethodGenerator\Constructor;
024 use ProxyManager\ProxyGenerator\LazyLoadingGhost\MethodGenerator\CallInitializer;
025 use ProxyManager\ProxyGenerator\LazyLoadingGhost\MethodGenerator\GetProxyInitializer;
026 use ProxyManager\ProxyGenerator\LazyLoadingGhost\MethodGenerator\InitializeProxy;
027 use ProxyManager\ProxyGenerator\LazyLoadingGhost\MethodGenerator\IsProxyInitialized;
028 use ProxyManager\ProxyGenerator\LazyLoadingGhost\MethodGenerator\LazyLoadingMethodInterceptor;
029 use ProxyManager\ProxyGenerator\LazyLoadingGhost\MethodGenerator\MagicClone;
030 use ProxyManager\ProxyGenerator\LazyLoadingGhost\MethodGenerator\MagicGet;
031 use ProxyManager\ProxyGenerator\LazyLoadingGhost\MethodGenerator\MagicIsset;
032 use ProxyManager\ProxyGenerator\LazyLoadingGhost\MethodGenerator\MagicSet;
033 use ProxyManager\ProxyGenerator\LazyLoadingGhost\MethodGenerator\MagicSleep;
034 use ProxyManager\ProxyGenerator\LazyLoadingGhost\MethodGenerator\MagicUnset;
035 use ProxyManager\ProxyGenerator\LazyLoadingGhost\MethodGenerator\SetProxyInitializer;
036 use ProxyManager\ProxyGenerator\LazyLoadingGhost\PropertyGenerator\InitializationTracker;
037 use ProxyManager\ProxyGenerator\LazyLoadingGhost\PropertyGenerator\InitializerProperty;
038 use ProxyManager\ProxyGenerator\PropertyGenerator\PublicPropertiesDefaults;
039 use ProxyManager\ProxyGenerator\PropertyGenerator\PublicPropertiesMap;
040 use ProxyManager\ProxyGenerator\Util\ProxiedMethodsFilter;
041 use ReflectionClass;
042 use ReflectionMethod;
043 use Zend\Code\Generator\ClassGenerator;
044 use Zend\Code\Generator\MethodGenerator;
045 use Zend\Code\Reflection\MethodReflection;
046
047 /**
048 * Generator for proxies implementing {@see \ProxyManager\Proxy\GhostObjectInterface}
049 *
050 * {@inheritDoc}
051 *
052 * @author Marco Pivetta <ocramius@gmail.com>
053 * @license MIT
054 */
055 class LazyLoadingGhostGenerator implements ProxyGeneratorInterface
056 {
057 /**
058 * {@inheritDoc}
059 */
060 public function generate(ReflectionClass $originalClass, ClassGenerator $classGenerator)
061 {
062 CanProxyAssertion::assertClassCanBeProxied($originalClass);
063
064 $interfaces = array('ProxyManager\\Proxy\\GhostObjectInterface');
065 $publicProperties = new PublicPropertiesMap($originalClass);
066 $publicPropsDefaults = new PublicPropertiesDefaults($originalClass);
067
068 if ($originalClass->isInterface()) {
069 $interfaces[] = $originalClass->getName();
070 } else {
071 $classGenerator->setExtendedClass($originalClass->getName());
072 }
073
074 $classGenerator->setImplementedInterfaces($interfaces);
075 $classGenerator->addPropertyFromGenerator($initializer = new InitializerProperty());
076 $classGenerator->addPropertyFromGenerator($initializationTracker = new InitializationTracker());
077 $classGenerator->addPropertyFromGenerator($publicProperties);
078 $classGenerator->addPropertyFromGenerator($publicPropsDefaults);
079
080 $init = new CallInitializer($initializer, $publicPropsDefaults, $initializationTracker);
081
082 array_map(
083 function (MethodGenerator $generatedMethod) use ($originalClass, $classGenerator) {
084 ClassGeneratorUtils::addMethodIfNotFinal($originalClass, $classGenerator, $generatedMethod);
085 },
086 array_merge(
087 array_map(
088 function (ReflectionMethod $method) use ($initializer, $init) {
089 return LazyLoadingMethodInterceptor::generateMethod(
090 new MethodReflection($method->getDeclaringClass()->getName(), $method->getName()),
091 $initializer,
092 $init
093 );
094 },
095 ProxiedMethodsFilter::getProxiedMethods($originalClass)
096 ),
097 array(
098 $init,
099 new Constructor($originalClass, $initializer),
100 new MagicGet($originalClass, $initializer, $init, $publicProperties),
101 new MagicSet($originalClass, $initializer, $init, $publicProperties),
102 new MagicIsset($originalClass, $initializer, $init, $publicProperties),
103 new MagicUnset($originalClass, $initializer, $init, $publicProperties),
104 new MagicClone($originalClass, $initializer, $init, $publicProperties),
105 new MagicSleep($originalClass, $initializer, $init, $publicProperties),
106 new SetProxyInitializer($initializer),
107 new GetProxyInitializer($initializer),
108 new InitializeProxy($initializer, $init),
109 new IsProxyInitialized($initializer),
110 )
111 )
112 );
113 }
114 }
115