CachedConfigCollection::getNestFactory() - Code Metrics - Inspection of "Merge remote-tracking branch 'origin/1'" - silverstripe/silverstripe-config - Measure and Improve Code Quality continuously with Scrutinizer

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by Damian

created 2017-10-12 01:18 UTC

CachedConfigCollection::getNestFactory() A

↳ Parent: CachedConfigCollection

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2

Importance

Changes

Metric	Value
c	0
b	0
f	0
dl	0
loc	4
ccs	0
cts	2
cp	0
rs	10
cc	1
eloc	2
nc	1
nop	0
crap	2

<?php

namespace SilverStripe\Config\Collections;

use BadMethodCallException;
use Psr\SimpleCache\CacheInterface;
use SilverStripe\Config\Middleware\MiddlewareAware;

class CachedConfigCollection implements ConfigCollectionInterface
{
    use MiddlewareAware;

    /**
     * @const string
     */
    const CACHE_KEY = '__CACHE__';

    /**
     * @var CacheInterface
     */
    protected $cache;

    /**
     * Nested config to delegate to
     *
     * @var ConfigCollectionInterface
     */
    protected $collection;

    /**
     * @var callable
     */
    protected $collectionCreator;

    /**
     * @var bool
     */
    protected $flush = false;

    /**
     * Set to true while building config.
     * Used to protect against infinite loops.
     *
     * @var bool
     */
    protected $building = false;

    /**
     * Injectable factory for nesting config.
     * This callback will be passed the inner ConfigCollection
     *
     * @var callable
     */
    protected $nestFactory = null;

    /**
     * @return static
     */
    public static function create()
    {
        return new static();
    }

    /**
     * Get callback for nesting the inner collection
     *
     * @return callable
     */
    public function getNestFactory()
    {
        return $this->nestFactory;
    }

    /**
     * Set callback for nesting the inner collection
     *
     * @param callable $factory
     * @return $this
     */
    public function setNestFactory(callable $factory)
    {
        $this->nestFactory = $factory;
        return $this;
    }

    public function get($class, $name = null, $excludeMiddleware = 0)
    {
        return $this->getCollection()->get($class, $name, $excludeMiddleware);
    }

    public function getAll()
    {
        return $this->getCollection()->getAll();
    }

    public function exists($class, $name = null, $excludeMiddleware = 0)
    {
        return $this->getCollection()->exists($class, $name, $excludeMiddleware);
    }

    public function getMetadata()
    {
        return $this->getCollection()->getMetadata();
    }

    public function getHistory()
    {
        return $this->getCollection()->getHistory();
    }

    /**
     * Get or build collection
     *
     * @return ConfigCollectionInterface
     */
    public function getCollection()
    {
        // Get current collection
        if ($this->collection) {
            return $this->collection;
        }

        // Load from cache (unless flushing)
        if (!$this->flush) {
            $this->collection = $this->cache->get(self::CACHE_KEY);
            if ($this->collection) {
                return $this->collection;
            }
        }

        // Protect against infinity loop
        if ($this->building) {
            throw new BadMethodCallException("Infinite loop detected. Config could not be bootstrapped.");
        }
        $this->building = true;

        // Cache missed
        try {
            $this->collection = call_user_func($this->collectionCreator);
        } finally {
            $this->building = false;
        }

        // Save immediately.
        // Note additional deferred save will occur in _destruct()
        $this->cache->set(self::CACHE_KEY, $this->collection);
        return $this->collection;
    }

    /**
     * Commits the cache
     */
    public function __destruct()
    {
        // Ensure back-end cache is updated
        if ($this->collection) {
            $this->cache->set(self::CACHE_KEY, $this->collection);

            // Prevent double-destruct
            $this->collection = null;
        }
    }

    public function nest()
    {
        $collection = $this->getCollection();
        $factory = $this->getNestFactory();
        if ($factory) {
            return $factory($collection);
        }

        // Fall back to regular nest
        return $collection->nest();
    }

    /**
     * Set a PSR-16 cache
     *
     * @param CacheInterface $cache
     * @return $this
     */
    public function setCache(CacheInterface $cache)
    {
        $this->cache = $cache;
        if ($this->flush) {
            $cache->clear();
        }
        return $this;
    }

    /**
     * @param callable $collectionCreator
     * @return $this
     */
    public function setCollectionCreator($collectionCreator)
    {
        $this->collectionCreator = $collectionCreator;
        return $this;
    }

    /**
     * @return callable
     */
    public function getCollectionCreator()
    {
        return $this->collectionCreator;
    }

    /**
     * @return CacheInterface
     */
    public function getCache()
    {
        return $this->cache;
    }

    /**
     * @param bool $flush
     * @return $this
     */
    public function setFlush($flush)
    {
        $this->flush = $flush;
        if ($flush && $this->cache) {
            $this->cache->clear();
        }
        return $this;
    }

    /**
     * @return bool
     */
    public function getFlush()
    {
        return $this->flush;
    }

    public function setMiddlewares($middlewares)
    {
        throw new BadMethodCallException(
            "Please apply middleware to collection factory via setCollectionCreator()"
        );
    }

    /**
     * @deprecated 4.0...5.0 Please use YAML configuration, ::modify()->set() or ::modify()->merge()
     * @throws BadMethodCallException
     */
    public function update($class, $name, $value)

    {
        throw new BadMethodCallException(
            'Config::inst()->update() is deprecated. Please use YAML configuration, Config::modify()->merge() or ->set()'
        );
    }
}


1		<?php
2
3		namespace SilverStripe\Config\Collections;
4
5		use BadMethodCallException;
6		use Psr\SimpleCache\CacheInterface;
7		use SilverStripe\Config\Middleware\MiddlewareAware;
8
9		class CachedConfigCollection implements ConfigCollectionInterface
10		{
11		use MiddlewareAware;
12
13		/**
14		* @const string
15		*/
16		const CACHE_KEY = '__CACHE__';
17
18		/**
19		* @var CacheInterface
20		*/
21		protected $cache;
22
23		/**
24		* Nested config to delegate to
25		*
26		* @var ConfigCollectionInterface
27		*/
28		protected $collection;
29
30		/**
31		* @var callable
32		*/
33		protected $collectionCreator;
34
35		/**
36		* @var bool
37		*/
38		protected $flush = false;
39
40		/**
41		* Set to true while building config.
42		* Used to protect against infinite loops.
43		*
44		* @var bool
45		*/
46		protected $building = false;
47
48		/**
49		* Injectable factory for nesting config.
50		* This callback will be passed the inner ConfigCollection
51		*
52		* @var callable
53		*/
54		protected $nestFactory = null;
55
56		/**
57		* @return static
58		*/
59		public static function create()
60		{
61		return new static();
62		}
63
64		/**
65		* Get callback for nesting the inner collection
66		*
67		* @return callable
68		*/
69		public function getNestFactory()
70		{
71		return $this->nestFactory;
72		}
73
74		/**
75		* Set callback for nesting the inner collection
76		*
77		* @param callable $factory
78		* @return $this
79		*/
80		public function setNestFactory(callable $factory)
81		{
82		$this->nestFactory = $factory;
83		return $this;
84		}
85
86	2	public function get($class, $name = null, $excludeMiddleware = 0)
87		{
88	2	return $this->getCollection()->get($class, $name, $excludeMiddleware);
89		}
90
91		public function getAll()
92		{
93		return $this->getCollection()->getAll();
94		}
95
96	2	public function exists($class, $name = null, $excludeMiddleware = 0)
97		{
98	2	return $this->getCollection()->exists($class, $name, $excludeMiddleware);
99		}
100
101		public function getMetadata()
102		{
103		return $this->getCollection()->getMetadata();
104		}
105
106		public function getHistory()
107		{
108		return $this->getCollection()->getHistory();
109		}
110
111		/**
112		* Get or build collection
113		*
114		* @return ConfigCollectionInterface
115		*/
116	3	public function getCollection()
117		{
118		// Get current collection
119	3	if ($this->collection) {
120	2	return $this->collection;
121		}
122
123		// Load from cache (unless flushing)
124	3	if (!$this->flush) {
125	3	$this->collection = $this->cache->get(self::CACHE_KEY);
126	3	if ($this->collection) {
127	1	return $this->collection;
128		}
129	2	}
130
131		// Protect against infinity loop
132	2	if ($this->building) {
133	1	throw new BadMethodCallException("Infinite loop detected. Config could not be bootstrapped.");
134		}
135	2	$this->building = true;
136
137		// Cache missed
138		try {
139	2	$this->collection = call_user_func($this->collectionCreator);
140	1	} finally {
141	2	$this->building = false;
142	2	}
143
144		// Save immediately.
145		// Note additional deferred save will occur in _destruct()
146	1	$this->cache->set(self::CACHE_KEY, $this->collection);
147	1	return $this->collection;
148		}
149
150		/**
151		* Commits the cache
152		*/
153	2	public function __destruct()
154		{
155		// Ensure back-end cache is updated
156	2	if ($this->collection) {
157	2	$this->cache->set(self::CACHE_KEY, $this->collection);
158
159		// Prevent double-destruct
160	2	$this->collection = null;
161	2	}
162	2	}
163
164		public function nest()
165		{
166		$collection = $this->getCollection();
167		$factory = $this->getNestFactory();
168		if ($factory) {
169		return $factory($collection);
170		}
171
172		// Fall back to regular nest
173		return $collection->nest();
174		}
175
176		/**
177		* Set a PSR-16 cache
178		*
179		* @param CacheInterface $cache
180		* @return $this
181		*/
182	3	public function setCache(CacheInterface $cache)
183		{
184	3	$this->cache = $cache;
185	3	if ($this->flush) {
186		$cache->clear();
187		}
188	3	return $this;
189		}
190
191		/**
192		* @param callable $collectionCreator
193		* @return $this
194		*/
195	3	public function setCollectionCreator($collectionCreator)
196		{
197	3	$this->collectionCreator = $collectionCreator;
198	3	return $this;
199		}
200
201		/**
202		* @return callable
203		*/
204		public function getCollectionCreator()
205		{
206		return $this->collectionCreator;
207		}
208
209		/**
210		* @return CacheInterface
211		*/
212		public function getCache()
213		{
214		return $this->cache;
215		}
216
217		/**
218		* @param bool $flush
219		* @return $this
220		*/
221		public function setFlush($flush)
222		{
223		$this->flush = $flush;
224		if ($flush && $this->cache) {
225		$this->cache->clear();
226		}
227		return $this;
228		}
229
230		/**
231		* @return bool
232		*/
233		public function getFlush()
234		{
235		return $this->flush;
236		}
237
238		public function setMiddlewares($middlewares)
239		{
240		throw new BadMethodCallException(
241		"Please apply middleware to collection factory via setCollectionCreator()"
242		);
243		}
244
245		/**
246		* @deprecated 4.0...5.0 Please use YAML configuration, ::modify()->set() or ::modify()->merge()
247		* @throws BadMethodCallException
248		*/
249		public function update($class, $name, $value)
		0 ignored issues – show Unused Code introduced 2017-10-12 01:21 UTC by Report Bug Copy Issue Report The parameter `$class` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history... Unused Code introduced 2017-10-12 01:21 UTC by Report Bug Copy Issue Report The parameter `$name` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history... Unused Code introduced 2017-10-12 01:21 UTC by Report Bug Copy Issue Report The parameter `$value` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history...
250		{
251		throw new BadMethodCallException(
252		'Config::inst()->update() is deprecated. Please use YAML configuration, Config::modify()->merge() or ->set()'
253		);
254		}
255		}
256

silverstripe / silverstripe-config

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CachedConfigCollection::getNestFactory() A

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