56 lines
1.5 KiB
Go
56 lines
1.5 KiB
Go
/*
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* Copyright 2025 coze-dev Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package checkpoint
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import (
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"context"
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"errors"
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"fmt"
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"time"
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"github.com/cloudwego/eino/compose"
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"github.com/redis/go-redis/v9"
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)
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type redisStore struct {
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client *redis.Client
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}
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const (
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checkpointKeyTpl = "checkpoint_key:%s"
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checkpointExpire = 24 * 7 * 3600 * time.Second
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)
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func (r *redisStore) Get(ctx context.Context, checkPointID string) ([]byte, bool, error) {
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v, err := r.client.Get(ctx, fmt.Sprintf(checkpointKeyTpl, checkPointID)).Bytes()
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if err != nil {
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if errors.Is(err, redis.Nil) {
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return nil, false, nil
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}
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return nil, false, err
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}
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return v, true, nil
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}
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func (r *redisStore) Set(ctx context.Context, checkPointID string, checkPoint []byte) error {
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return r.client.Set(ctx, fmt.Sprintf(checkpointKeyTpl, checkPointID), checkPoint, checkpointExpire).Err()
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}
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func NewRedisStore(client *redis.Client) compose.CheckPointStore {
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return &redisStore{client: client}
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}
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