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cache_update_consumer.go
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cache_update_consumer.go
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// Copyright (C) 2020 Finogeeks Co., Ltd
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License, version 3,
// as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package consumers
import (
"context"
"encoding/json"
"github.com/finogeeks/ligase/common/config"
"github.com/finogeeks/ligase/dbupdates/dbupdatetypes"
"github.com/finogeeks/ligase/model/dbtypes"
log "github.com/finogeeks/ligase/skunkworks/log"
)
type CacheUpdateConsumer struct {
name string
Cfg *config.Dendrite
processor dbupdatetypes.CacheProcessor
}
func newCacheUpdateConsumer(
name string,
cfg *config.Dendrite,
processor dbupdatetypes.CacheProcessor,
) *CacheUpdateConsumer {
c := new(CacheUpdateConsumer)
c.name = name
c.Cfg = cfg
c.processor = processor
return c
}
func (c *CacheUpdateConsumer) Start() error {
c.processor.Start()
return nil
}
func (c *CacheUpdateConsumer) OnMessage(ctx context.Context, topic string, partition int32, data []byte, rawMsg interface{}) {
var output dbtypes.DBEvent
if err := json.Unmarshal(data, &output); err != nil {
log.Errorw("dbevent: message parse failure", log.KeysAndValues{"error", err})
return
}
c.processor.Process(ctx, dbupdatetypes.CacheInput{Event: &output})
}