woocommerce-pos / vendor_prefixed / phpfastcache / phpfastcache / lib / Phpfastcache / Cluster / AggregatorInterface.php

AggregatorInterface.php in WCPOS – Point of Sale (POS) plugin for WooCommerce 1.9.16, at vendor_prefixed/phpfastcache/phpfastcache/lib/Phpfastcache/Cluster/AggregatorInterface.php

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1	<?php
2
3	/**
4	*
5	* This file is part of phpFastCache.
6	*
7	* @license MIT License (MIT)
8	*
9	* For full copyright and license information, please see the docs/CREDITS.txt file.
10	*
11	* @author Georges.L (Geolim4) <contact@geolim4.com>
12	*
13	*/
14	declare (strict_types=1);
15	namespace WCPOS\Vendor\Phpfastcache\Cluster;
16
17	use WCPOS\Vendor\Phpfastcache\Config\ConfigurationOption;
18	/**
19	* Interface AggregatorInterface
20	*
21	* @package Phpfastcache\Cluster
22	*/
23	interface AggregatorInterface
24	{
25	/**
26	* Full replication mechanism
27	*
28	* Read on first working (and synchronize if needed, no failure allowed),
29	* Write on all (no failure allowed),
30	* Delete on all (no failure allowed)
31	*
32	* Conflict on multiple reads: Keep first found item (but sync the others)
33	* Cluster size: 2 minimum, unlimited
34	*/
35	public const STRATEGY_FULL_REPLICATION = 1;
36	/**
37	* Semi replication mechanism
38	*
39	* Read first working (but do not synchronize, with partial failure allowed),
40	* Write on all (with partial failure allowed)
41	* Delete on all (with partial failure allowed)
42	*
43	* Conflict on multiple reads: Keep first found item
44	* Cluster size: 2 minimum, unlimited
45	*/
46	public const STRATEGY_SEMI_REPLICATION = 2;
47	/**
48	* First pool is master, second is slave
49	*
50	* Read from master (but do not synchronize, with master failure only allowed)
51	* Write on all (with master failure only allowed)
52	* Delete on all (with master failure only allowed)
53	*
54	* Conflict on multiple reads: No, master is exclusive source except if it fails
55	* Cluster size: 2 exactly: Master & Slave (Exception if more or less)
56	*/
57	public const STRATEGY_MASTER_SLAVE = 4;
58	/**
59	* Mostly used for development testing
60	*
61	* CRUD operations are made on a random-chosen backend from a given cluster.
62	* This means you have 1 chance out of (n count of pools) to find an existing cache item
63	* but also to write/delete an non-existing item.
64	*/
65	public const STRATEGY_RANDOM_REPLICATION = 8;
66	/**
67	* AggregatorInterface constructor.
68	*
69	* @param string $clusterAggregatorName
70	* @param AggregatablePoolInterface ...$driverPools
71	*/
72	public function __construct(string $clusterAggregatorName, AggregatablePoolInterface ...$driverPools);
73	/**
74	* @param int $strategy
75	*
76	* @return ClusterPoolInterface
77	*/
78	public function getCluster(int $strategy) : ClusterPoolInterface;
79	/**
80	* @param string $driverName
81	* @param ConfigurationOption\|NULL $driverConfig
82	*
83	* @return void
84	*/
85	public function aggregateNewDriver(string $driverName, ConfigurationOption $driverConfig = null) : void;
86	/**
87	* @param AggregatablePoolInterface $driverPool
88	*/
89	public function aggregateDriver(AggregatablePoolInterface $driverPool) : void;
90	/**
91	* @param AggregatablePoolInterface $driverPool
92	*/
93	public function disaggregateDriver(AggregatablePoolInterface $driverPool) : void;
94	}
95