Method init

packages/components/nodes/cache/RedisCache/RedisCache.ts:48–107

(nodeData: INodeData, _: string, options: ICommonObject)

    }

    async init(nodeData: INodeData, _: string, options: ICommonObject): Promise<any> {
        const ttl = nodeData.inputs?.ttl as string

        let client = await getRedisClient(nodeData, options)
        const redisClient = new LangchainRedisCache(client)

        redisClient.lookup = async (prompt: string, llmKey: string) => {
            try {
                const pingResp = await client.ping()
                if (pingResp !== 'PONG') {
                    client = await getRedisClient(nodeData, options)
                }
            } catch (error) {
                client = await getRedisClient(nodeData, options)
            }

            let idx = 0
            let key = getCacheKey(prompt, llmKey, String(idx))
            let value = await client.get(key)
            const generations: Generation[] = []

            while (value) {
                const storedGeneration = JSON.parse(value)
                generations.push(deserializeStoredGeneration(storedGeneration))
                idx += 1
                key = getCacheKey(prompt, llmKey, String(idx))
                value = await client.get(key)
            }

            client.quit()

            return generations.length > 0 ? generations : null
        }

        redisClient.update = async (prompt: string, llmKey: string, value: Generation[]) => {
            try {
                const pingResp = await client.ping()
                if (pingResp !== 'PONG') {
                    client = await getRedisClient(nodeData, options)
                }
            } catch (error) {
                client = await getRedisClient(nodeData, options)
            }

            for (let i = 0; i < value.length; i += 1) {
                const key = getCacheKey(prompt, llmKey, String(i))
                if (ttl) {
                    await client.set(key, JSON.stringify(serializeGeneration(value[i])), 'PX', parseInt(ttl, 10))
                } else {
                    await client.set(key, JSON.stringify(serializeGeneration(value[i])))
                }
            }

            client.quit()
        }

        client.quit()