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configStoreManager.go
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configStoreManager.go
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// Copyright (c) 2017 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package persistence
import (
"context"
"time"
"github.com/uber/cadence/common"
"github.com/uber/cadence/common/log"
)
type (
// configStoreManagerImpl implements ConfigStoreManager based on ConfigStore and PayloadSerializer
configStoreManagerImpl struct {
serializer PayloadSerializer
persistence ConfigStore
logger log.Logger
}
)
var _ ConfigStoreManager = (*configStoreManagerImpl)(nil)
// NewConfigStoreManagerImpl returns new ConfigStoreManager
func NewConfigStoreManagerImpl(persistence ConfigStore, logger log.Logger) ConfigStoreManager {
return &configStoreManagerImpl{
serializer: NewPayloadSerializer(),
persistence: persistence,
logger: logger,
}
}
func (m *configStoreManagerImpl) Close() {
m.persistence.Close()
}
func (m *configStoreManagerImpl) FetchDynamicConfig(ctx context.Context, cfgType ConfigType) (*FetchDynamicConfigResponse, error) {
values, err := m.persistence.FetchConfig(ctx, cfgType)
if err != nil || values == nil {
return nil, err
}
config, err := m.serializer.DeserializeDynamicConfigBlob(values.Values)
if err != nil {
return nil, err
}
return &FetchDynamicConfigResponse{Snapshot: &DynamicConfigSnapshot{
Version: values.Version,
Values: config,
}}, nil
}
func (m *configStoreManagerImpl) UpdateDynamicConfig(ctx context.Context, request *UpdateDynamicConfigRequest, cfgType ConfigType) error {
blob, err := m.serializer.SerializeDynamicConfigBlob(request.Snapshot.Values, common.EncodingTypeThriftRW)
if err != nil {
return err
}
entry := &InternalConfigStoreEntry{
RowType: int(cfgType),
Version: request.Snapshot.Version,
Timestamp: time.Now(),
Values: blob,
}
return m.persistence.UpdateConfig(ctx, entry)
}