75 lines
3.0 KiB
Java
75 lines
3.0 KiB
Java
package net.tccn.base.dbq;
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import net.tccn.base.Kv;
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import net.tccn.base.MetaKit;
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import net.tccn.base.PageBean;
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import net.tccn.base.dbq.fbean.FBean;
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import net.tccn.base.dbq.jdbc.api.DbKit;
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import net.tccn.base.dbq.parser.ParseMysql;
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import net.tccn.meta.MService;
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import net.tccn.meta.MTable;
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import java.util.List;
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import java.util.Map;
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import java.util.concurrent.CompletableFuture;
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import java.util.concurrent.ExecutionException;
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/**
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* Db 调度层
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*/
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public class DbExecutors {
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private final static ParseMysql PARSER = new ParseMysql();
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public static PageBean findPage(FBean fBean) throws ExecutionException, InterruptedException {
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//sql解析
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String[] sqls = PARSER.parseList(fBean);
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//当前的业务 => 获取主表 信息 => 数据源信息 => 数据源对象 => 创建数据工具对象 => 查询数据
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MService metaService = MetaKit.getMetaService(fBean.getName(), fBean.getPlattoken());
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MTable mainTable = MetaKit.getMetaTableByAlias(metaService.getTablealias());
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DbKit dbKit = MetaKit.getDbKit(mainTable.getDbid(), mainTable.getCatalog());
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System.out.printf("----------------%n countSql:%s%n findSql:%s%n----------------%n", sqls[0], sqls[1]);
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CompletableFuture<Integer> countFuture = CompletableFuture.supplyAsync(() -> dbKit.findColumn(sqls[0], int.class));
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CompletableFuture<List<Map>> listFuture = CompletableFuture.supplyAsync(() -> dbKit.queryList(sqls[1], Map.class));
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List<Map> rows = listFuture.get();
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Integer total = countFuture.get();
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rows.forEach(m -> {
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m.forEach((k, v) -> {
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/*if ("[B".equals(v.getClass().getName())) {
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try {
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//System.out.println(k + " : " + new String((byte[]) v, "UTF-8"));
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m.put(k, new String((byte[]) v, "UTF-8"));
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} catch (UnsupportedEncodingException e) {
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throw new RuntimeException(e);
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}
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}*/
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// 避免前端 解析丢失精度
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if (v instanceof Long && (Long) v > 9007199254740991L) {
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m.put(k, Kv.toAs(v, String.class));
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}
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});
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});
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return PageBean.by(rows, total);
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}
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/*public static void del(String name, Map data, String token) {
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MService metaService = MetaKit.getMetaService(name, token);
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MTable mainTable = MetaKit.getMetaTableByAlias(metaService.getTablealias());
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DbKit dbKit = MetaKit.getDbKit(mainTable.getDbid(), mainTable.getCatalog());
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String delSql = PARSER.parseDel(name, data, token);
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dbKit.exetute(delSql);
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}*/
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public static void save(String name, Map data, String token) {
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MTable mainTable = MetaKit.getMainTable(name, token);
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DbKit dbKit = MetaKit.getDbKit(mainTable.getDbid(), mainTable.getCatalog());
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String sql = PARSER.parseSave(name, data, token);
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dbKit.exetute(sql);
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}
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}
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