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// Copyright 2015-2017 Aerospike, Inc. // // Portions may be licensed to Aerospike, Inc. under one or more contributor // license agreements. // // 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. // /// `GenerationPolicy` determines how to handle record writes based on record generation. #[derive(Debug,PartialEq)] pub enum GenerationPolicy { /// None means: Do not use record generation to restrict writes. None = 0, /// ExpectGenEqual means: Update/delete record if expected generation is equal to server /// generation. Otherwise, fail. ExpectGenEqual = 1, /// ExpectGenGreater means: Update/delete record if expected generation greater than the server /// generation. Otherwise, fail. This is useful for restore after backup. ExpectGenGreater = 2, } impl Default for GenerationPolicy { fn default() -> GenerationPolicy { GenerationPolicy::None } }