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feat(mojaloop/#3427): add oracle endpoint db caching and oracle reque…
…st caching (#467) * chore: fix logger statements * chore: fix logger statements * chore(snapshot): 15.0.1-snapshot.0 * chore: log * chore: revert * chore: statement * test * chore(snapshot): 15.0.1-snapshot.1 * dep * chore(snapshot): 15.0.1-snapshot.2 * chore: change * chore: tests * feat: add oracle endpoint db caching * add oracle request caching * tests * coverage * chore(snapshot): 15.2.0-snapshot.0 * chore: header
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,126 @@ | ||
| /***** | ||
| License | ||
| -------------- | ||
| Copyright © 2017 Bill & Melinda Gates Foundation | ||
| The Mojaloop files are made available by the Bill & Melinda Gates Foundation under the Apache License, Version 2.0 (the "License") and you may not use these files except in compliance with the License. You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, the Mojaloop files are distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. | ||
| Contributors | ||
| -------------- | ||
| This is the official list of the Mojaloop project contributors for this file. | ||
| Names of the original copyright holders (individuals or organizations) | ||
| should be listed with a '*' in the first column. People who have | ||
| contributed from an organization can be listed under the organization | ||
| that actually holds the copyright for their contributions (see the | ||
| Gates Foundation organization for an example). Those individuals should have | ||
| their names indented and be marked with a '-'. Email address can be added | ||
| optionally within square brackets <email>. | ||
| * Gates Foundation | ||
| * Name Surname <name.surname@gatesfoundation.com> | ||
| * Kevin Leyow <kevin.leyow@infitx.com> | ||
| -------------- | ||
| ******/ | ||
|
|
||
| 'use strict' | ||
|
|
||
| const CatboxMemory = require('@hapi/catbox-memory') | ||
| const Config = require('../lib/config') | ||
|
|
||
| let enabled = true | ||
| let ttl | ||
| let catboxMemoryClient = null | ||
|
|
||
| class CacheClient { | ||
| constructor (meta) { | ||
| this.meta = meta | ||
| } | ||
|
|
||
| getMeta () { | ||
| return this.meta | ||
| } | ||
|
|
||
| createKey (id) { | ||
| return { | ||
| segment: this.meta.id, | ||
| id | ||
| } | ||
| } | ||
|
|
||
| get (key) { | ||
| if (enabled) { | ||
| return catboxMemoryClient.get(key) | ||
| } | ||
| return null | ||
| } | ||
|
|
||
| set (key, value) { | ||
| catboxMemoryClient.set(key, value, parseInt(ttl)) | ||
| } | ||
|
|
||
| drop (key) { | ||
| catboxMemoryClient.drop(key) | ||
| } | ||
| } | ||
|
|
||
| /* | ||
| Each client should register itself during module load. | ||
| The client meta should be: | ||
| { | ||
| id [MANDATORY] | ||
| preloadCache() [OPTIONAL] | ||
| this will be called to preload data | ||
| } | ||
| */ | ||
| let cacheClients = {} | ||
|
|
||
| const registerCacheClient = (clientMeta) => { | ||
| const newClient = new CacheClient(clientMeta) | ||
| cacheClients[clientMeta.id] = newClient | ||
| return newClient | ||
| } | ||
|
|
||
| const initCache = async function () { | ||
| // Read config | ||
| ttl = Config.ALS_GENERAL_CACHE_CONFIG.EXPIRES_IN_MS | ||
| enabled = Config.ALS_GENERAL_CACHE_CONFIG.CACHE_ENABLED | ||
|
|
||
| // Init catbox. | ||
| catboxMemoryClient = new CatboxMemory.Engine({ | ||
| maxByteSize: Config.ALS_GENERAL_CACHE_CONFIG.MAX_BYTE_SIZE | ||
| }) | ||
| catboxMemoryClient.start() | ||
|
|
||
| for (const clientId in cacheClients) { | ||
| const clientMeta = cacheClients[clientId].getMeta() | ||
| await clientMeta.preloadCache() | ||
| } | ||
| } | ||
|
|
||
| const destroyCache = async function () { | ||
| catboxMemoryClient.stop() | ||
| catboxMemoryClient = null | ||
| } | ||
|
|
||
| const dropClients = function () { | ||
| cacheClients = {} | ||
| } | ||
|
|
||
| const isCacheEnabled = function () { | ||
| return enabled | ||
| } | ||
|
|
||
| module.exports = { | ||
| // Clients registration | ||
| registerCacheClient, | ||
|
|
||
| // Init & destroy the cache | ||
| initCache, | ||
| destroyCache, | ||
| isCacheEnabled, | ||
|
|
||
| // exposed for tests | ||
| CatboxMemory, | ||
| dropClients | ||
| } |
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