Container::getFromDelegate() - Code Metrics - Inspection of "fixed README and LICENSE and dependencies" - fwk/Di - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( e401e5...bd7189 )

by Julien

created 2016-05-31 20:57 UTC

Container::getFromDelegate() A

↳ Parent: Container

Complexity

Conditions	3
Paths	3

Size

Total Lines	11
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Importance

Changes	3
Bugs	0	Features	0

Metric	Value
c	3
b	0
f	0
dl	0
loc	11
rs	9.4285
cc	3
eloc	5
nc	3
nop	1

<?php
/**
 * Fwk
 *
 * Copyright (c) 2011-2012, Julien Ballestracci <[email protected]>.
 * All rights reserved.
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * PHP Version 5.3
 *
 * @category  DependencyInjection
 * @package   Fwk\Di
 * @author    Julien Ballestracci <[email protected]>
 * @copyright 2011-2014 Julien Ballestracci <[email protected]>
 * @license   http://www.opensource.org/licenses/bsd-license.php  BSD License
 * @link      http://www.nitronet.org/fwk
 */
namespace Fwk\Di;

use Fwk\Di\Definitions\ArrayDefinition;
use Fwk\Di\Definitions\CallableDefinition;
use Fwk\Di\Definitions\ScalarDefinition;
use Fwk\Di\Events\AfterServiceLoadedEvent;
use Fwk\Di\Events\AfterServiceRegisteredEvent;
use Fwk\Di\Events\BeforeServiceLoadedEvent;
use Fwk\Di\Events\BeforeServiceRegisteredEvent;
use Fwk\Di\Exceptions\SearchException;
use Fwk\Events\Dispatcher;
use \ArrayAccess;
use Interop\Container\ContainerInterface;
use \SplObjectStorage;

/**
 * Container
 * 
 * THE Dependency Injection Container.
 *
 * @category Container
 * @package  Fwk\Di
 * @author   Julien Ballestracci <[email protected]>
 * @license  http://www.opensource.org/licenses/bsd-license.php  BSD License
 * @link     http://www.nitronet.org/fwk
 */
class Container extends Dispatcher implements ArrayAccess, ContainerInterface
{
    /**
     * The objects store
     * @var SplObjectStorage
     */
    protected $store = array();

    /**
     * Shared instances store
     * @var SplObjectStorage
     */
    private $_sharedInstances;


    /**
     * Container Properties
     * @var array
     */
    protected $properties = array();

    /**
     * Properties Keys (cached)
     * @var array
     */
    protected $propertiesMap = array();

    /**
     * Delegates Containers
     * @var SplObjectStorage
     */
    protected $delegates;
    
    /**
     * Constructor
     * 
     * @return void

     */
    public function __construct()
    {
        $this->store = new SplObjectStorage();
        $this->delegates = new SplObjectStorage();
        $this->_sharedInstances = new SplObjectStorage();
        $this->set('self', $this);
    }
    
    /**
     * Registers a definition
     * 
     * @param string  $name             Identifier
     * @param DefinitionInterface|mixed $definition Definition, callable or value
     *
     * @return Container
     */
    public function set($name, $definition)
    {
        if (!$definition instanceof DefinitionInterface) {
            if (is_callable($definition)) {
                $definition = CallableDefinition::factory($definition);
            } elseif (is_array($definition)) {
                $definition = ArrayDefinition::factory($definition);
            } else {
                $wasObj = is_object($definition);
                $definition = ScalarDefinition::factory($definition);
                if ($wasObj) {
                    $definition->setShared(true);
                    $this->_sharedInstances->attach($definition, $name);
                }
            }
        }

        $event = new BeforeServiceRegisteredEvent($this, $name, $definition);
        $this->notify($event);

        if ($event->isStopped()) {
            return $this;
        }

        $this->store->attach($definition, $name);
        $this->notify(new AfterServiceRegisteredEvent($this, $name, $definition));

        return $this;
    }
    
    /**
     * Load and returns a definition
     * 
     * @param string $name Identifier
     * 
     * @throws Exceptions\DefinitionNotFoundException if $name isn't a valid identifier
     * @return mixed
     */
    public function get($name)
    {
        if ($name instanceof Reference) {
            $name = $name->getName();
        }
        
        if (!$this->has($name)) {
            return $this->getFromDelegate($name);
        }

        foreach ($this->store as $def) {
            if ($this->store->getInfo() === $name) {
                $definition = $def;
                break;
            }
        }

        /** @var DefinitionInterface $definition */
        if ($definition->isShared()) {
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
            foreach ($this->_sharedInstances as $inst) {
                if ($this->_sharedInstances->getInfo() === $name) {
                    return $inst;
                }
            }
        }

        $event      = new BeforeServiceLoadedEvent($this, $name, $definition);
        $this->notify($event);

        // the event has been stopped
        if ($event->isStopped()) {
            $return = $event->getReturnValue();

            if ($definition->isShared()) {
                $this->_sharedInstances->attach($return, $name);
            }

            return $return;
        }

        $return = $definition->invoke($this, $name);
        if ($definition->isShared()) {
            $this->_sharedInstances->attach($return, $name);
        }

        $afterEvent = new AfterServiceLoadedEvent($this, $name, $definition, $return);
        $this->notify($afterEvent);

        return $return;
    }

    /**
     * Loads properties from an INI file as definitions. 
     * Theses properties can then be referenced like @propName in other 
     * definitions.
     * 
     * @param string      $iniFile  Path/to/file.ini
     * @param null|string $category The INI category to be parsed
     * 
     * @return Container
     * @throws Exception
     */
    public function iniProperties($iniFile, $category = null)
    {
        if (!is_file($iniFile) || !is_readable($iniFile)) {
            throw new Exception('INI file not found/readable: '. $iniFile);
        }
        
        $props = parse_ini_file($iniFile, ($category !== null));
        if ($category !== null) {
            $props = (isset($props[$category]) ? $props[$category] : false);
        }
        
        if (!is_array($props)) {
            throw new Exception("No properties found in: $iniFile [$category]");
        }
        
        foreach ($props as $key => $prop) {
            $this->properties[$key] = str_replace(':packageDir', dirname($iniFile), $prop);
            $this->propertiesMap[$key] = ":". $key;
        }
        
        return $this;
    }
    
    /**
     * Returns a property (or $default if not defined) 
     * 
     * @param string $propName The property name
     * @param mixed  $default  Default value if the property is not defined
     * 
     * @return mixed

     */
    public function getProperty($propName, $default = null)
    {
        return (array_key_exists($propName, $this->properties) ? 
            $this->propertizeString($this->properties[$propName]) : 
            (is_string($default) ?
                $this->propertizeString($default) :
                $default
            )
        );
    }
    
    /**
     * Defines a property.
     * 
     * If the $value is null, the property will be unset.
     * 
     * It recommended to store only strings as property values. Register a
     * new Di definition for any other type.
     * 
     * @param string      $propName Property name
     * @param null|string $value    The prop value
     * 
     * @return Container
     */
    public function setProperty($propName, $value = null)
    {
        if (array_key_exists($propName, $this->properties) && $value === null) {
            unset($this->properties[$propName]);
            unset($this->propertiesMap[$propName]);
            return $this;
        }
        
        $this->properties[(string)$propName] = (string)$value;
        $this->propertiesMap[(string)$propName] = ":". (string)$propName;
        
        return $this;
    }
    
    
    /**
     * Transform properties references to their respective value
     * 
     * @param string $str String to be transformed
     * 
     * @return string
     */
    public function propertizeString($str)
    {
        return str_replace(
            array_values($this->propertiesMap),
            array_values($this->properties),
            $str
        );
    }
    
    /**
     * Unregisters a definition
     * 
     * @param string $name Identifier
     * 
     * @throws Exceptions\DefinitionNotFoundException if $name isn't a valid identifier
     * @return boolean true on success
     */
    public function unregister($name)
    {
        if (!$this->has($name)) {
            throw new Exceptions\DefinitionNotFoundException($name);
        }

        $this->store->detach($this->getDefinition($name));
        foreach ($this->_sharedInstances as $inst => $defName) {
            if ($defName === $name) {
                $this->_sharedInstances->detach((object)$inst);
                break;
            }
        }

        return true;
    }
    
    /**
     * Tells if a definition exists at $offset
     * 
     * @param string $name Identifier
     * 
     * @return boolean
     */
    public function has($name)
    {
        foreach ($this->store as $def) {
            if ($this->store->getInfo() === $name) {
                return true;
            }
        }

        return false;
    }

    /**
     * Returns a Definition
     *
     * @param string $name Identifier
     *
     * @return DefinitionInterface
     * @throws Exceptions\DefinitionNotFoundException if $name isn't a valid identifier
     */
    public function getDefinition($name)
    {
        foreach ($this->store as $def) {
            if ($this->store->getInfo() === $name) {
                return $def;
            }
        }

        throw new Exceptions\DefinitionNotFoundException($name);
    }
    
    /**
     * Tells if a definition is registered at $offset
     * 
     * @param string $offset Identifier
     * 
     * @return boolean
     */
    public function offsetExists($offset)
    {
        return $this->has($offset);
    }
    
    /**
     * Loads and returns a definition 
     * 
     * @param string $offset Identifier
     * 
     * @return mixed
     */
    public function offsetGet($offset)
    {
        return $this->get($offset);
    }
    
    /**
     * Registers a definition
     * 
     * @param string $offset Identifier
     * @param mixed  $value  Definition
     * 
     * @return Container
     */
    public function offsetSet($offset, $value)
    {
        return $this->set($offset, $value);
    }
    
    /**
     * Unregisters a Definition
     * 
     * @param string $offset Identifier
     * 
     * @return boolean
     */
    public function offsetUnset($offset)
    {
        return $this->unregister($offset);
    }

    /**
     * Adds a delegate/backup Container.
     *
     * @param ContainerInterface $container
     *
     * @return ContainerInterface

     */
    public function delegate(ContainerInterface $container)
    {
        if ($this->delegates->contains($container)) {
            return $this;
        }

        $this->delegates->attach($container);

        return $this;
    }

    /**
     * Tells if a service is in a delegated Container
     *
     * @param string $name
     *
     * @return boolean
     */
    public function hasInDelegate($name)
    {
        foreach ($this->delegates as $container) {
            /** @var ContainerInterface $container */
            if ($container->has($name)) {
                return true;
            }
        }

        return false;
    }

    /**
     * Loads a definition from the first delegated Container having in (FIFO)
     *
     * @param string $name Service identifier
     *
     * @throws Exceptions\DefinitionNotFoundException when the service is not found
     * @return mixed
     */
    public function getFromDelegate($name)
    {
        foreach ($this->delegates as $container) {
            /** @var ContainerInterface $container */
            if ($container->has($name)) {
                return $container->get($name);
            }
        }

        throw new Exceptions\DefinitionNotFoundException($name);
    }

    /**
     * Search definitions
     *
     * @param array $query Search query
     *
     * @return array<DefinitionInterface>
     */
    public function search(array $query)
    {
        $results = array();
        foreach ($this->store as $def) {
            $name = $this->store->getInfo();
            /** @var DefinitionInterface $def */
            if ($def->match($query, $this)) {
                $results[$name] = $def;
            }
        }

        return $results;
    }
}

1			<?php
2			/**
3			* Fwk
4			*
5			* Copyright (c) 2011-2012, Julien Ballestracci <[email protected]>.
6			* All rights reserved.
7			*
8			* For the full copyright and license information, please view the LICENSE
9			* file that was distributed with this source code.
10			*
11			* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
12			* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
13			* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
14			* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
15			* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
16			* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
17			* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
18			* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
19			* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
20			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
21			* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
22			* POSSIBILITY OF SUCH DAMAGE.
23			*
24			* PHP Version 5.3
25			*
26			* @category DependencyInjection
27			* @package Fwk\Di
28			* @author Julien Ballestracci <[email protected]>
29			* @copyright 2011-2014 Julien Ballestracci <[email protected]>
30			* @license http://www.opensource.org/licenses/bsd-license.php BSD License
31			* @link http://www.nitronet.org/fwk
32			*/
33			namespace Fwk\Di;
34
35			use Fwk\Di\Definitions\ArrayDefinition;
36			use Fwk\Di\Definitions\CallableDefinition;
37			use Fwk\Di\Definitions\ScalarDefinition;
38			use Fwk\Di\Events\AfterServiceLoadedEvent;
39			use Fwk\Di\Events\AfterServiceRegisteredEvent;
40			use Fwk\Di\Events\BeforeServiceLoadedEvent;
41			use Fwk\Di\Events\BeforeServiceRegisteredEvent;
42			use Fwk\Di\Exceptions\SearchException;
43			use Fwk\Events\Dispatcher;
44			use \ArrayAccess;
45			use Interop\Container\ContainerInterface;
46			use \SplObjectStorage;
47
48			/**
49			* Container
50			*
51			* THE Dependency Injection Container.
52			*
53			* @category Container
54			* @package Fwk\Di
55			* @author Julien Ballestracci <[email protected]>
56			* @license http://www.opensource.org/licenses/bsd-license.php BSD License
57			* @link http://www.nitronet.org/fwk
58			*/
59			class Container extends Dispatcher implements ArrayAccess, ContainerInterface
60			{
61			/**
62			* The objects store
63			* @var SplObjectStorage
64			*/
65			protected $store = array();
66
67			/**
68			* Shared instances store
69			* @var SplObjectStorage
70			*/
71			private $_sharedInstances;
			0 ignored issues – show Coding Style introduced 2016-05-29 22:42 UTC by Report Bug Copy Issue Report `$_sharedInstances` does not seem to conform to the naming convention (`^[a-z][a-zA-Z0-9]*$`). This check examines a number of code elements and verifies that they conform to the given naming conventions. You can set conventions for local variables, abstract classes, utility classes, constant, properties, methods, parameters, interfaces, classes, exceptions and special methods. Loading history...
72
73			/**
74			* Container Properties
75			* @var array
76			*/
77			protected $properties = array();
78
79			/**
80			* Properties Keys (cached)
81			* @var array
82			*/
83			protected $propertiesMap = array();
84
85			/**
86			* Delegates Containers
87			* @var SplObjectStorage
88			*/
89			protected $delegates;
90
91			/**
92			* Constructor
93			*
94			* @return void
			0 ignored issues – show Comprehensibility Best Practice introduced 2015-11-23 00:41 UTC by Report Bug Copy Issue Report Adding a `@return` annotation to constructors is generally not recommended as a constructor does not have a meaningful return value. Adding a `@return` annotation to a constructor is not recommended, since a constructor does not have a meaningful return value. Please refer to the PHP core documentation on constructors. Loading history...
95			*/
96			public function __construct()
97			{
98			$this->store = new SplObjectStorage();
99			$this->delegates = new SplObjectStorage();
100			$this->_sharedInstances = new SplObjectStorage();
101			$this->set('self', $this);
102			}
103
104			/**
105			* Registers a definition
106			*
107			* @param string $name Identifier
108			* @param DefinitionInterface\|mixed $definition Definition, callable or value
109			*
110			* @return Container
111			*/
112			public function set($name, $definition)
113			{
114			if (!$definition instanceof DefinitionInterface) {
115			if (is_callable($definition)) {
116			$definition = CallableDefinition::factory($definition);
117			} elseif (is_array($definition)) {
118			$definition = ArrayDefinition::factory($definition);
119			} else {
120			$wasObj = is_object($definition);
121			$definition = ScalarDefinition::factory($definition);
122			if ($wasObj) {
123			$definition->setShared(true);
124			$this->_sharedInstances->attach($definition, $name);
125			}
126			}
127			}
128
129			$event = new BeforeServiceRegisteredEvent($this, $name, $definition);
130			$this->notify($event);
131
132			if ($event->isStopped()) {
133			return $this;
134			}
135
136			$this->store->attach($definition, $name);
137			$this->notify(new AfterServiceRegisteredEvent($this, $name, $definition));
138
139			return $this;
140			}
141
142			/**
143			* Load and returns a definition
144			*
145			* @param string $name Identifier
146			*
147			* @throws Exceptions\DefinitionNotFoundException if $name isn't a valid identifier
148			* @return mixed
149			*/
150			public function get($name)
151			{
152			if ($name instanceof Reference) {
153			$name = $name->getName();
154			}
155
156			if (!$this->has($name)) {
157			return $this->getFromDelegate($name);
158			}
159
160			foreach ($this->store as $def) {
161			if ($this->store->getInfo() === $name) {
162			$definition = $def;
163			break;
164			}
165			}
166
167			/** @var DefinitionInterface $definition */
168			if ($definition->isShared()) {
			0 ignored issues – show Bug introduced 2016-05-29 22:42 UTC by Report Bug Copy Issue Report The variable `$definition` does not seem to be defined for all execution paths leading up to this point. If you define a variable conditionally, it can happen that it is not defined for all execution paths. Let’s take a look at an example: function myFunction($a) { switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } // $x is potentially undefined here. echo $x; } In the above example, the variable `$x` is defined if you pass “foo” or “bar” as argument for `$a`. However, since the `switch` statement has no default case statement, if you pass any other value, the variable `$x` would be undefined. Available Fixes Check for existence of the variable explicitly: function myFunction($a) { switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } if (isset($x)) { // Make sure it's always set. echo $x; } } Define a default value for the variable: function myFunction($a) { $x = ''; // Set a default which gets overridden for certain paths. switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } echo $x; } Add a value for the missing path: function myFunction($a) { switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; // We add support for the missing case. default: $x = ''; break; } echo $x; } Loading history...
169			foreach ($this->_sharedInstances as $inst) {
170			if ($this->_sharedInstances->getInfo() === $name) {
171			return $inst;
172			}
173			}
174			}
175
176			$event = new BeforeServiceLoadedEvent($this, $name, $definition);
177			$this->notify($event);
178
179			// the event has been stopped
180			if ($event->isStopped()) {
181			$return = $event->getReturnValue();
182
183			if ($definition->isShared()) {
184			$this->_sharedInstances->attach($return, $name);
185			}
186
187			return $return;
188			}
189
190			$return = $definition->invoke($this, $name);
191			if ($definition->isShared()) {
192			$this->_sharedInstances->attach($return, $name);
193			}
194
195			$afterEvent = new AfterServiceLoadedEvent($this, $name, $definition, $return);
196			$this->notify($afterEvent);
197
198			return $return;
199			}
200
201			/**
202			* Loads properties from an INI file as definitions.
203			* Theses properties can then be referenced like @propName in other
204			* definitions.
205			*
206			* @param string $iniFile Path/to/file.ini
207			* @param null\|string $category The INI category to be parsed
208			*
209			* @return Container
210			* @throws Exception
211			*/
212			public function iniProperties($iniFile, $category = null)
213			{
214			if (!is_file($iniFile) \|\| !is_readable($iniFile)) {
215			throw new Exception('INI file not found/readable: '. $iniFile);
216			}
217
218			$props = parse_ini_file($iniFile, ($category !== null));
219			if ($category !== null) {
220			$props = (isset($props[$category]) ? $props[$category] : false);
221			}
222
223			if (!is_array($props)) {
224			throw new Exception("No properties found in: $iniFile [$category]");
225			}
226
227			foreach ($props as $key => $prop) {
228			$this->properties[$key] = str_replace(':packageDir', dirname($iniFile), $prop);
229			$this->propertiesMap[$key] = ":". $key;
230			}
231
232			return $this;
233			}
234
235			/**
236			* Returns a property (or $default if not defined)
237			*
238			* @param string $propName The property name
239			* @param mixed $default Default value if the property is not defined
240			*
241			* @return mixed
			0 ignored issues – show Documentation introduced 2015-11-23 00:41 UTC by Report Bug Copy Issue Report Consider making the return type a bit more specific; maybe use `object\|integer\|double\|null\|array\|boolean\|string`. This check looks for the generic type `array` as a return type and suggests a more specific type. This type is inferred from the actual code. Loading history...
242			*/
243			public function getProperty($propName, $default = null)
244			{
245			return (array_key_exists($propName, $this->properties) ?
246			$this->propertizeString($this->properties[$propName]) :
247			(is_string($default) ?
248			$this->propertizeString($default) :
249			$default
250			)
251			);
252			}
253
254			/**
255			* Defines a property.
256			*
257			* If the $value is null, the property will be unset.
258			*
259			* It recommended to store only strings as property values. Register a
260			* new Di definition for any other type.
261			*
262			* @param string $propName Property name
263			* @param null\|string $value The prop value
264			*
265			* @return Container
266			*/
267			public function setProperty($propName, $value = null)
268			{
269			if (array_key_exists($propName, $this->properties) && $value === null) {
270			unset($this->properties[$propName]);
271			unset($this->propertiesMap[$propName]);
272			return $this;
273			}
274
275			$this->properties[(string)$propName] = (string)$value;
276			$this->propertiesMap[(string)$propName] = ":". (string)$propName;
277
278			return $this;
279			}
280
281
282			/**
283			* Transform properties references to their respective value
284			*
285			* @param string $str String to be transformed
286			*
287			* @return string
288			*/
289			public function propertizeString($str)
290			{
291			return str_replace(
292			array_values($this->propertiesMap),
293			array_values($this->properties),
294			$str
295			);
296			}
297
298			/**
299			* Unregisters a definition
300			*
301			* @param string $name Identifier
302			*
303			* @throws Exceptions\DefinitionNotFoundException if $name isn't a valid identifier
304			* @return boolean true on success
305			*/
306			public function unregister($name)
307			{
308			if (!$this->has($name)) {
309			throw new Exceptions\DefinitionNotFoundException($name);
310			}
311
312			$this->store->detach($this->getDefinition($name));
313			foreach ($this->_sharedInstances as $inst => $defName) {
314			if ($defName === $name) {
315			$this->_sharedInstances->detach((object)$inst);
316			break;
317			}
318			}
319
320			return true;
321			}
322
323			/**
324			* Tells if a definition exists at $offset
325			*
326			* @param string $name Identifier
327			*
328			* @return boolean
329			*/
330			public function has($name)
331			{
332			foreach ($this->store as $def) {
333			if ($this->store->getInfo() === $name) {
334			return true;
335			}
336			}
337
338			return false;
339			}
340
341			/**
342			* Returns a Definition
343			*
344			* @param string $name Identifier
345			*
346			* @return DefinitionInterface
347			* @throws Exceptions\DefinitionNotFoundException if $name isn't a valid identifier
348			*/
349			public function getDefinition($name)
350			{
351			foreach ($this->store as $def) {
352			if ($this->store->getInfo() === $name) {
353			return $def;
354			}
355			}
356
357			throw new Exceptions\DefinitionNotFoundException($name);
358			}
359
360			/**
361			* Tells if a definition is registered at $offset
362			*
363			* @param string $offset Identifier
364			*
365			* @return boolean
366			*/
367			public function offsetExists($offset)
368			{
369			return $this->has($offset);
370			}
371
372			/**
373			* Loads and returns a definition
374			*
375			* @param string $offset Identifier
376			*
377			* @return mixed
378			*/
379			public function offsetGet($offset)
380			{
381			return $this->get($offset);
382			}
383
384			/**
385			* Registers a definition
386			*
387			* @param string $offset Identifier
388			* @param mixed $value Definition
389			*
390			* @return Container
391			*/
392			public function offsetSet($offset, $value)
393			{
394			return $this->set($offset, $value);
395			}
396
397			/**
398			* Unregisters a Definition
399			*
400			* @param string $offset Identifier
401			*
402			* @return boolean
403			*/
404			public function offsetUnset($offset)
405			{
406			return $this->unregister($offset);
407			}
408
409			/**
410			* Adds a delegate/backup Container.
411			*
412			* @param ContainerInterface $container
413			*
414			* @return ContainerInterface
			0 ignored issues – show Documentation introduced 2015-11-23 00:41 UTC by Report Bug Copy Issue Report Consider making the return type a bit more specific; maybe use `Container`. This check looks for the generic type `array` as a return type and suggests a more specific type. This type is inferred from the actual code. Loading history...
415			*/
416			public function delegate(ContainerInterface $container)
417			{
418			if ($this->delegates->contains($container)) {
419			return $this;
420			}
421
422			$this->delegates->attach($container);
423
424			return $this;
425			}
426
427			/**
428			* Tells if a service is in a delegated Container
429			*
430			* @param string $name
431			*
432			* @return boolean
433			*/
434			public function hasInDelegate($name)
435			{
436			foreach ($this->delegates as $container) {
437			/** @var ContainerInterface $container */
438			if ($container->has($name)) {
439			return true;
440			}
441			}
442
443			return false;
444			}
445
446			/**
447			* Loads a definition from the first delegated Container having in (FIFO)
448			*
449			* @param string $name Service identifier
450			*
451			* @throws Exceptions\DefinitionNotFoundException when the service is not found
452			* @return mixed
453			*/
454			public function getFromDelegate($name)
455			{
456			foreach ($this->delegates as $container) {
457			/** @var ContainerInterface $container */
458			if ($container->has($name)) {
459			return $container->get($name);
460			}
461			}
462
463			throw new Exceptions\DefinitionNotFoundException($name);
464			}
465
466			/**
467			* Search definitions
468			*
469			* @param array $query Search query
470			*
471			* @return array<DefinitionInterface>
472			*/
473			public function search(array $query)
474			{
475			$results = array();
476			foreach ($this->store as $def) {
477			$name = $this->store->getInfo();
478			/** @var DefinitionInterface $def */
479			if ($def->match($query, $this)) {
480			$results[$name] = $def;
481			}
482			}
483
484			return $results;
485			}
486			}

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