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ip2region address library simplifies operation package

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/*
 * Copyright (C) 2022 [www.mobaijun.com]
 *
 * 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
 *
 *         https://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 com.mobaijun.ip2region.searcher;

import com.mobaijun.ip2region.properties.Ip2regionProperties;
import org.lionsoul.ip2region.xdb.Searcher;
import org.springframework.core.io.Resource;
import org.springframework.core.io.ResourceLoader;

/**
 * Description:
 * 缓存索引数据实现检索
 * 
 * 提前从 xdb 文件中加载出来 VectorIndex 数据，然后全局缓存，每次创建 Searcher 对象的时候使用全局的 VectorIndex 缓存可以减少一次固定的
 * IO 操作，从而加速查询，减少 IO 压力
 * 
 * 
 * 参考ip2region魔改
 * 
 * Author: [mobaijun]
 * Date: [2024/8/15 10:22]
 * IntelliJ IDEA Version: [IntelliJ IDEA 2023.1.4]
 */
public class CacheVectorIndexIp2regionSearcher extends Ip2regionSearcherTemplate {

    public CacheVectorIndexIp2regionSearcher(ResourceLoader resourceLoader, Ip2regionProperties properties) {
        super(resourceLoader, properties);
    }

    @Override
    public void afterPropertiesSet() throws Exception {
        Resource resource = this.resourceLoader.getResource(this.properties.getFileLocation());
        String dbPath = resource.getFile().getPath();
        this.searcher = Searcher.newWithVectorIndex(dbPath, Searcher.loadVectorIndexFromFile(dbPath));
    }
}