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nosqlConfigStore.go
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nosqlConfigStore.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 nosql
import (
"context"
"fmt"
"github.com/uber/cadence/common/config"
"github.com/uber/cadence/common/log"
"github.com/uber/cadence/common/persistence"
"github.com/uber/cadence/common/persistence/nosql/nosqlplugin"
)
type (
nosqlConfigStore struct {
nosqlStore
}
)
func NewNoSQLConfigStore(
cfg config.NoSQL,
logger log.Logger,
) (persistence.ConfigStore, error) {
db, err := NewNoSQLDB(&cfg, logger)
if err != nil {
return nil, err
}
return &nosqlConfigStore{
nosqlStore: nosqlStore{
db: db,
logger: logger,
},
}, nil
}
func (m *nosqlConfigStore) FetchConfig(ctx context.Context, configType persistence.ConfigType) (*persistence.InternalConfigStoreEntry, error) {
entry, err := m.db.SelectLatestConfig(ctx, int(configType))
if err != nil {
return nil, convertCommonErrors(m.db, "FetchConfig", err)
}
return entry, nil
}
func (m *nosqlConfigStore) UpdateConfig(ctx context.Context, value *persistence.InternalConfigStoreEntry) error {
err := m.db.InsertConfig(ctx, value)
if err != nil {
if _, ok := err.(*nosqlplugin.ConditionFailure); ok {
return &persistence.ConditionFailedError{Msg: fmt.Sprintf("Version %v already exists. Condition Failed", value.Version)}
}
return convertCommonErrors(m.db, "UpdateConfig", err)
}
return nil
}