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489087d18b
#32636 Signed-off-by: luzhang <luzhang@zilliz.com> Co-authored-by: luzhang <luzhang@zilliz.com>
68 lines
1.6 KiB
C++
68 lines
1.6 KiB
C++
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <limits>
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#include <memory>
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#include <string>
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#include <vector>
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#include "fmt/format.h"
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namespace milvus::plan {
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typedef std::string PlanNodeId;
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class PlanNodeIdGenerator {
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public:
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static PlanNodeIdGenerator&
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GetInstance() {
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static PlanNodeIdGenerator instance;
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return instance;
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}
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explicit PlanNodeIdGenerator(int start_id = 0) : next_id_(start_id) {
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}
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PlanNodeId
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Next() {
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if (next_id_ >= std::numeric_limits<int>::max()) {
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next_id_ = 0;
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}
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return fmt::format("{}", next_id_++);
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}
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void
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Set(int id) {
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next_id_ = id;
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}
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void
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ReSet() {
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next_id_ = 0;
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}
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private:
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int next_id_;
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};
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inline PlanNodeId
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GetNextPlanNodeId() {
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return PlanNodeIdGenerator::GetInstance().Next();
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}
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} // namespace milvus::plan
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