forked from alibaba/nacos
/
StandaloneDatabaseOperateImpl.java
138 lines (122 loc) · 5.55 KB
/
StandaloneDatabaseOperateImpl.java
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/*
* Copyright 1999-2018 Alibaba Group Holding Ltd.
*
* 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 com.alibaba.nacos.config.server.service.repository.embedded;
import com.alibaba.nacos.common.model.RestResult;
import com.alibaba.nacos.common.model.RestResultUtils;
import com.alibaba.nacos.common.utils.StringUtils;
import com.alibaba.nacos.config.server.configuration.ConditionStandaloneEmbedStorage;
import com.alibaba.nacos.config.server.service.datasource.DataSourceService;
import com.alibaba.nacos.config.server.service.datasource.DynamicDataSource;
import com.alibaba.nacos.config.server.service.sql.ModifyRequest;
import com.alibaba.nacos.config.server.utils.LogUtil;
import com.alibaba.nacos.sys.utils.DiskUtils;
import org.apache.commons.lang3.BooleanUtils;
import org.springframework.context.annotation.Conditional;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.RowMapper;
import org.springframework.stereotype.Component;
import org.springframework.transaction.support.TransactionTemplate;
import javax.annotation.PostConstruct;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.function.BiConsumer;
import java.util.stream.Collectors;
/**
* Derby operation in stand-alone mode.
*
* @author <a href="mailto:liaochuntao@live.com">liaochuntao</a>
*/
@Conditional(ConditionStandaloneEmbedStorage.class)
@Component
public class StandaloneDatabaseOperateImpl implements BaseDatabaseOperate {
private JdbcTemplate jdbcTemplate;
private TransactionTemplate transactionTemplate;
@PostConstruct
protected void init() {
DataSourceService dataSourceService = DynamicDataSource.getInstance().getDataSource();
jdbcTemplate = dataSourceService.getJdbcTemplate();
transactionTemplate = dataSourceService.getTransactionTemplate();
LogUtil.DEFAULT_LOG.info("use StandaloneDatabaseOperateImpl");
}
@Override
public <R> R queryOne(String sql, Class<R> cls) {
return queryOne(jdbcTemplate, sql, cls);
}
@Override
public <R> R queryOne(String sql, Object[] args, Class<R> cls) {
return queryOne(jdbcTemplate, sql, args, cls);
}
@Override
public <R> R queryOne(String sql, Object[] args, RowMapper<R> mapper) {
return queryOne(jdbcTemplate, sql, args, mapper);
}
@Override
public <R> List<R> queryMany(String sql, Object[] args, RowMapper<R> mapper) {
return queryMany(jdbcTemplate, sql, args, mapper);
}
@Override
public <R> List<R> queryMany(String sql, Object[] args, Class<R> rClass) {
return queryMany(jdbcTemplate, sql, args, rClass);
}
@Override
public List<Map<String, Object>> queryMany(String sql, Object[] args) {
return queryMany(jdbcTemplate, sql, args);
}
@Override
public CompletableFuture<RestResult<String>> dataImport(File file) {
return CompletableFuture.supplyAsync(() -> {
try (DiskUtils.LineIterator iterator = DiskUtils.lineIterator(file)) {
int batchSize = 1000;
List<String> batchUpdate = new ArrayList<>(batchSize);
List<CompletableFuture<Void>> futures = new ArrayList<>();
List<Boolean> results = new CopyOnWriteArrayList<>();
while (iterator.hasNext()) {
String sql = iterator.next();
if (StringUtils.isNotBlank(sql)) {
batchUpdate.add(sql);
}
if (batchUpdate.size() == batchSize || !iterator.hasNext()) {
List<ModifyRequest> sqls = batchUpdate.stream().map(s -> {
ModifyRequest request = new ModifyRequest();
request.setSql(s);
return request;
}).collect(Collectors.toList());
futures.add(CompletableFuture.runAsync(() -> results.add(doDataImport(jdbcTemplate, sqls))));
batchUpdate.clear();
}
}
CompletableFuture.allOf(futures.toArray(new CompletableFuture[0])).join();
return RestResult.<String>builder()
.withCode(BooleanUtils.and(results.toArray(new Boolean[0])) ? 200 : 500).withData("").build();
} catch (Throwable ex) {
LogUtil.DEFAULT_LOG.error("An exception occurred when external data was imported into Derby : {}", ex);
return RestResultUtils.failed(ex.getMessage());
}
});
}
@Override
public Boolean update(List<ModifyRequest> modifyRequests, BiConsumer<Boolean, Throwable> consumer) {
return update(transactionTemplate, jdbcTemplate, modifyRequests, consumer);
}
@Override
public Boolean update(List<ModifyRequest> requestList) {
return update(transactionTemplate, jdbcTemplate, requestList);
}
}