1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
<?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\ORM\Cache;
/**
* @since 2.5
* @author Fabio B. Silva <fabio.bat.silva@gmail.com>
*/
class TimestampQueryCacheValidator implements QueryCacheValidator
{
/**
* @var TimestampRegion
*/
private $timestampRegion;
/**
* @param TimestampRegion $timestampRegion
*/
public function __construct(TimestampRegion $timestampRegion)
{
$this->timestampRegion = $timestampRegion;
}
/**
* {@inheritdoc}
*/
public function isValid(QueryCacheKey $key, QueryCacheEntry $entry)
{
if ($this->regionUpdated($key, $entry)) {
return false;
}
if ($key->lifetime == 0) {
return true;
}
return ($entry->time + $key->lifetime) > microtime(true);
}
/**
* @param QueryCacheKey $key
* @param QueryCacheEntry $entry
*
* @return bool
*/
private function regionUpdated(QueryCacheKey $key, QueryCacheEntry $entry)
{
if ($key->timestampKey === null) {
return false;
}
$timestamp = $this->timestampRegion->get($key->timestampKey);
return $timestamp && $timestamp->time > $entry->time;
}
}
|
