ChainCache::doFetch() - Code Metrics - Inspection of "Merge branch 'feature/#155-multi-delete-cache'" - doctrine/cache - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 9fa596...e14f7e )

by Marco

created 2016-12-17 21:42 UTC

ChainCache::doFetch() A

↳ Parent: ChainCache

Complexity

Conditions	4
Paths	4

Size

Total Lines	17
Code Lines	8

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	10
CRAP Score	4

Importance

Changes

Metric	Value
dl	0
loc	17
c	0
b	0
f	0
ccs	10
cts	10
cp	1
rs	9.2
cc	4
eloc	8
nc	4
nop	1
crap	4

<?php
/*
 * 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.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the MIT license. For more information, see
 * <http://www.doctrine-project.org>.
 */

namespace Doctrine\Common\Cache;

/**
 * Cache provider that allows to easily chain multiple cache providers
 *
 * @author Michaël Gallego <[email protected]>
 */
class ChainCache extends CacheProvider
{
    /**
     * @var CacheProvider[]
     */
    private $cacheProviders = [];

    /**
     * Constructor
     *
     * @param CacheProvider[] $cacheProviders
     */
    public function __construct($cacheProviders = [])
    {
        $this->cacheProviders = $cacheProviders instanceof \Traversable
            ? iterator_to_array($cacheProviders, false)
            : array_values($cacheProviders);
    }

    /**
     * {@inheritDoc}
     */
    public function setNamespace($namespace)
    {
        parent::setNamespace($namespace);

        foreach ($this->cacheProviders as $cacheProvider) {
            $cacheProvider->setNamespace($namespace);
        }
    }

    /**
     * {@inheritDoc}
     */
    protected function doFetch($id)
    {
        foreach ($this->cacheProviders as $key => $cacheProvider) {
            if ($cacheProvider->doContains($id)) {
                $value = $cacheProvider->doFetch($id);

                // We populate all the previous cache layers (that are assumed to be faster)
                for ($subKey = $key - 1 ; $subKey >= 0 ; $subKey--) {

                    $this->cacheProviders[$subKey]->doSave($id, $value);
                }

                return $value;
            }
        }

        return false;
    }

    /**
     * {@inheritdoc}
     */
    protected function doFetchMultiple(array $keys)
    {
        /* @var $traversedProviders CacheProvider[] */
        $traversedProviders = [];
        $keysCount          = count($keys);
        $fetchedValues      = [];

        foreach ($this->cacheProviders as $key => $cacheProvider) {
            $fetchedValues = $cacheProvider->doFetchMultiple($keys);

            // We populate all the previous cache layers (that are assumed to be faster)
            if (count($fetchedValues) === $keysCount) {
                foreach ($traversedProviders as $previousCacheProvider) {
                    $previousCacheProvider->doSaveMultiple($fetchedValues);
                }

                return $fetchedValues;
            }

            $traversedProviders[] = $cacheProvider;
        }

        return $fetchedValues;
    }

    /**
     * {@inheritDoc}
     */
    protected function doContains($id)
    {
        foreach ($this->cacheProviders as $cacheProvider) {
            if ($cacheProvider->doContains($id)) {
                return true;
            }
        }

        return false;
    }

    /**
     * {@inheritDoc}
     */
    protected function doSave($id, $data, $lifeTime = 0)
    {
        $stored = true;

        foreach ($this->cacheProviders as $cacheProvider) {
            $stored = $cacheProvider->doSave($id, $data, $lifeTime) && $stored;
        }

        return $stored;
    }

    /**
     * {@inheritdoc}
     */
    protected function doSaveMultiple(array $keysAndValues, $lifetime = 0)
    {
        $stored = true;

        foreach ($this->cacheProviders as $cacheProvider) {
            $stored = $cacheProvider->doSaveMultiple($keysAndValues, $lifetime) && $stored;
        }

        return $stored;
    }

    /**
     * {@inheritDoc}
     */
    protected function doDelete($id)
    {
        $deleted = true;

        foreach ($this->cacheProviders as $cacheProvider) {
            $deleted = $cacheProvider->doDelete($id) && $deleted;
        }

        return $deleted;
    }

    /**
     * {@inheritdoc}
     */
    protected function doDeleteMultiple(array $keys)
    {
        $deleted = true;

        foreach ($this->cacheProviders as $cacheProvider) {
            $deleted = $cacheProvider->doDeleteMultiple($keys) && $deleted;
        }

        return $deleted;
    }

    /**
     * {@inheritDoc}
     */
    protected function doFlush()
    {
        $flushed = true;

        foreach ($this->cacheProviders as $cacheProvider) {
            $flushed = $cacheProvider->doFlush() && $flushed;
        }

        return $flushed;
    }

    /**
     * {@inheritDoc}
     */
    protected function doGetStats()
    {
        // We return all the stats from all adapters
        $stats = [];

        foreach ($this->cacheProviders as $cacheProvider) {
            $stats[] = $cacheProvider->doGetStats();
        }

        return $stats;
    }
}


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\Cache;
21
22		/**
23		* Cache provider that allows to easily chain multiple cache providers
24		*
25		* @author Michaël Gallego <[email protected]>
26		*/
27		class ChainCache extends CacheProvider
28		{
29		/**
30		* @var CacheProvider[]
31		*/
32		private $cacheProviders = [];
33
34		/**
35		* Constructor
36		*
37		* @param CacheProvider[] $cacheProviders
38		*/
39	84	public function __construct($cacheProviders = [])
40		{
41	84	$this->cacheProviders = $cacheProviders instanceof \Traversable
42	84	? iterator_to_array($cacheProviders, false)
43	84	: array_values($cacheProviders);
44	84	}
45
46		/**
47		* {@inheritDoc}
48		*/
49	3	public function setNamespace($namespace)
50		{
51	3	parent::setNamespace($namespace);
52
53	3	foreach ($this->cacheProviders as $cacheProvider) {
54	3	$cacheProvider->setNamespace($namespace);
55	3	}
56	3	}
57
58		/**
59		* {@inheritDoc}
60		*/
61	79	protected function doFetch($id)
62		{
63	79	foreach ($this->cacheProviders as $key => $cacheProvider) {
64	79	if ($cacheProvider->doContains($id)) {
65	62	$value = $cacheProvider->doFetch($id);
66
67		// We populate all the previous cache layers (that are assumed to be faster)
68	62	for ($subKey = $key - 1 ; $subKey >= 0 ; $subKey--) {
		0 ignored issues – show Coding Style introduced 2015-12-31 17:39 UTC by Report Bug Copy Issue Report Space found before first semicolon of FOR loop Loading history... Coding Style introduced 2015-12-31 17:39 UTC by Report Bug Copy Issue Report Space found before second semicolon of FOR loop Loading history...
69	1	$this->cacheProviders[$subKey]->doSave($id, $value);
70	1	}
71
72	62	return $value;
73		}
74	79	}
75
76	79	return false;
77		}
78
79		/**
80		* {@inheritdoc}
81		*/
82	4	protected function doFetchMultiple(array $keys)
83		{
84		/* @var $traversedProviders CacheProvider[] */
85	4	$traversedProviders = [];
86	4	$keysCount = count($keys);
87	4	$fetchedValues = [];
88
89	4	foreach ($this->cacheProviders as $key => $cacheProvider) {
90	4	$fetchedValues = $cacheProvider->doFetchMultiple($keys);
91
92		// We populate all the previous cache layers (that are assumed to be faster)
93	4	if (count($fetchedValues) === $keysCount) {
94	4	foreach ($traversedProviders as $previousCacheProvider) {
95	1	$previousCacheProvider->doSaveMultiple($fetchedValues);
96	4	}
97
98	4	return $fetchedValues;
99		}
100
101	2	$traversedProviders[] = $cacheProvider;
102	2	}
103
104	1	return $fetchedValues;
105		}
106
107		/**
108		* {@inheritDoc}
109		*/
110	68	protected function doContains($id)
111		{
112	68	foreach ($this->cacheProviders as $cacheProvider) {
113	68	if ($cacheProvider->doContains($id)) {
114	64	return true;
115		}
116	50	}
117
118	50	return false;
119		}
120
121		/**
122		* {@inheritDoc}
123		*/
124	72	protected function doSave($id, $data, $lifeTime = 0)
125		{
126	72	$stored = true;
127
128	72	foreach ($this->cacheProviders as $cacheProvider) {
129	72	$stored = $cacheProvider->doSave($id, $data, $lifeTime) && $stored;
130	72	}
131
132	72	return $stored;
133		}
134
135		/**
136		* {@inheritdoc}
137		*/
138	2	protected function doSaveMultiple(array $keysAndValues, $lifetime = 0)
139		{
140	2	$stored = true;
141
142	2	foreach ($this->cacheProviders as $cacheProvider) {
143	2	$stored = $cacheProvider->doSaveMultiple($keysAndValues, $lifetime) && $stored;
144	2	}
145
146	2	return $stored;
147		}
148
149		/**
150		* {@inheritDoc}
151		*/
152	45	protected function doDelete($id)
153		{
154	45	$deleted = true;
155
156	45	foreach ($this->cacheProviders as $cacheProvider) {
157	45	$deleted = $cacheProvider->doDelete($id) && $deleted;
158	45	}
159
160	45	return $deleted;
161		}
162
163		/**
164		* {@inheritdoc}
165		*/
166	2	protected function doDeleteMultiple(array $keys)
167		{
168	2	$deleted = true;
169
170	2	foreach ($this->cacheProviders as $cacheProvider) {
171	2	$deleted = $cacheProvider->doDeleteMultiple($keys) && $deleted;
172	2	}
173
174	2	return $deleted;
175		}
176
177		/**
178		* {@inheritDoc}
179		*/
180	3	protected function doFlush()
181		{
182	3	$flushed = true;
183
184	3	foreach ($this->cacheProviders as $cacheProvider) {
185	3	$flushed = $cacheProvider->doFlush() && $flushed;
186	3	}
187
188	3	return $flushed;
189		}
190
191		/**
192		* {@inheritDoc}
193		*/
194	1	protected function doGetStats()
195		{
196		// We return all the stats from all adapters
197	1	$stats = [];
198
199	1	foreach ($this->cacheProviders as $cacheProvider) {
200	1	$stats[] = $cacheProvider->doGetStats();
201	1	}
202
203	1	return $stats;
204		}
205		}
206

doctrine / cache

Push — master ( 9fa596...e14f7e )

ChainCache::doFetch() A

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