PHP code example of picamator / cachemanager

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

picamator / cachemanager example snippets

declare(strict_types = 1);

use \Picamator\CacheManager\Operation\Save;
use \Picamator\CacheManager\Operation\Search;
use \Picamator\CacheManager\Operation\Delete;

use \Picamator\CacheManager\ObjectManager;
use \Picamator\CacheManager\Cache\CacheItemFactory;
use \Picamator\CacheManager\Data\SearchResultFactory;

use \Picamator\CacheManager\Cache\KeyGenerator;
use \Picamator\CacheManager\CacheManager;
use \Picamator\CacheManager\CacheManagerSubject;

use \Picamator\CacheManager\Data\SearchCriteriaBuilder;

/** 
 * 1. Create dependencies objects
 */
// Use your implementation or existing adapters to fit PSR-6
/** @var \Psr\Cache\CacheItemPoolInterface $cacheItemPoolMock */
$cacheItemPoolMock = new CacheItemPoolMock();

// Use your implementation for extending CacheManagerSubject functionality
/** @var \Picamator\CacheManager\Spi\ObserverInterface $afterSearchMock */
$afterSearchMock = new AfterSearchMock();

// Object builder & factories
$objectManager          = new ObjectManager();
$cacheItemFactory       = new CacheItemFactory($objectManager);
$searchResultFactory    = new SearchResultFactory($objectManager);

// Building keys for saving data to cache
$cacheKeyGenerator      = new KeyGenerator();

// In real live please use Proxies or Lazy Loading
$operationSave          = new Save($cacheKeyGenerator, $cacheItemPoolMock, $cacheItemFactory);
$operationSearch        = new Search($cacheKeyGenerator, $cacheItemPoolMock, $searchResultFactory);
$operationDelete        = new Delete($cacheKeyGenerator, $cacheItemPoolMock);

/**
 * 2. Instantiate cache manager 
 */
// Instantiate main cache manager object
$cacheManager           = new CacheManager($operationSave, $operationSearch, $operationDelete);

// Wrap Cache managed as Observer, it's possible to omit wrapper if application does not need such kind extensibility
$cacheManagerSubject    = new CacheManagerSubject($cacheManager);

// Attach observer to execute after search
$cacheManagerSubject->attach('afterSearch', $afterSearchMock);

/**
 * 3. Provide search 
 */
// Prepare criteria
$searchCriteriaBuilder  = new SearchCriteriaBuilder($objectManager);
$searchCriteria = $searchCriteriaBuilder
                    ->setContextName('cloud')
                    ->setEntityName('customer')
                    ->setIdList([1, 2, 3])
                    ->setFieldList(['id', 'name'])
                    ->setIdName('id')
                    ->build();

$searchResult = $cacheManagerSubject->search($searchCriteria);

/**
 * 4. Handle search result 
 */
// result api details
$searchResult->count();         // number of returned data from cache e.g. 2
$searchResult->getData();       // array of cache items
$searchResult->getMissedData(); // array of missed in cache id's e.g. [1]
$searchResult->hasData();       // boolean to show does something fit $searchCriteria in cache