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Handle shutdown for RedisCacheAdapter (#6658)

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* Handle shutdown for RedisCacheAdapter

* connected value need to be tested in setTimeout

Co-authored-by: Promise Xu <promise@klido.me>
This commit is contained in:
promisenxu
2020-04-29 22:51:58 -04:00
committed by GitHub
parent 800b0392a3
commit 67bf868208
3 changed files with 74 additions and 47 deletions
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36
src/Adapters/Cache/RedisCacheAdapter/index.js
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@@ -9,7 +9,7 @@ function debug() {
logger.debug.apply(logger, ['RedisCacheAdapter', ...arguments]);
}
const isValidTTL = ttl => typeof ttl === 'number' && ttl > 0;
const isValidTTL = (ttl) => typeof ttl === 'number' && ttl > 0;
export class RedisCacheAdapter {
constructor(redisCtx, ttl = DEFAULT_REDIS_TTL) {
@@ -18,13 +18,27 @@ export class RedisCacheAdapter {
this.queue = new KeyPromiseQueue();
}
handleShutdown() {
if (!this.client) {
return Promise.resolve();
}
return new Promise((resolve) => {
this.client.quit((err) => {
if (err) {
logger.error('RedisCacheAdapter error on shutdown', { error: err });
}
resolve();
});
});
}
get(key) {
debug('get', key);
return this.queue.enqueue(
key,
() =>
new Promise(resolve => {
this.client.get(key, function(err, res) {
new Promise((resolve) => {
this.client.get(key, function (err, res) {
debug('-> get', key, res);
if (!res) {
return resolve(null);
@@ -48,8 +62,8 @@ export class RedisCacheAdapter {
return this.queue.enqueue(
key,
() =>
new Promise(resolve => {
this.client.set(key, value, function() {
new Promise((resolve) => {
this.client.set(key, value, function () {
resolve();
});
})
@@ -63,8 +77,8 @@ export class RedisCacheAdapter {
return this.queue.enqueue(
key,
() =>
new Promise(resolve => {
this.client.psetex(key, ttl, value, function() {
new Promise((resolve) => {
this.client.psetex(key, ttl, value, function () {
resolve();
});
})
@@ -76,8 +90,8 @@ export class RedisCacheAdapter {
return this.queue.enqueue(
key,
() =>
new Promise(resolve => {
this.client.del(key, function() {
new Promise((resolve) => {
this.client.del(key, function () {
resolve();
});
})
@@ -89,8 +103,8 @@ export class RedisCacheAdapter {
return this.queue.enqueue(
FLUSH_DB_KEY,
() =>
new Promise(resolve => {
this.client.flushdb(function() {
new Promise((resolve) => {
this.client.flushdb(function () {
resolve();
});
})