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cfg.go
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/
cfg.go
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// Copyright (c) 2014 Couchbase, Inc.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the
// License. You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an "AS
// IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
// express or implied. See the License for the specific language
// governing permissions and limitations under the License.
package main
type Cfg interface {
// A zero cas means don't do a CAS match on Get().
Get(key string, cas uint64) (val []byte, casSuccess uint64, err error)
// A zero cas means must be a create.
Set(key string, val []byte, cas uint64) (casSuccess uint64, err error)
// A zero cas means don't match CAS on Del().
Del(key string, cas uint64) error
}
type CfgCASError struct{}
func (e *CfgCASError) Error() string {
return "CAS mismatch"
}