generation_policy.go

// Copyright 2013-2020 Aerospike, 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 aerospike

// GenerationPolicy determines how to handle record writes based on record generation.
type GenerationPolicy int

const (
	// NONE means: Do not use record generation to restrict writes.
	NONE GenerationPolicy = iota

	// EXPECT_GEN_EQUAL means: Update/Delete record if expected generation is equal to server generation. Otherwise, fail.
	EXPECT_GEN_EQUAL

	// EXPECT_GEN_GT means: Update/Delete record if expected generation greater than the server generation. Otherwise, fail.
	// This is useful for restore after backup.
	EXPECT_GEN_GT
)