com.jfinal.plugin.activerecord.Db Maven / Gradle / Ivy
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/**
* Copyright (c) 2011-2025, James Zhan 詹波 ([email protected]).
*
* 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.jfinal.plugin.activerecord;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.sql.Connection;
import java.sql.SQLException;
import java.time.LocalDateTime;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Future;
import java.util.function.Function;
import com.jfinal.kit.SyncWriteMap;
/**
* Db. Powerful database query and update tool box.
*/
@SuppressWarnings("rawtypes")
public class Db {
private static DbPro MAIN = null;
private static final Map cache = new SyncWriteMap<>(32, 0.25F);
/**
* for DbKit.addConfig(configName)
*/
static void init(String configName) {
MAIN = DbKit.getConfig(configName).dbProFactory.getDbPro(configName); // new DbPro(configName);
cache.put(configName, MAIN);
}
/**
* for DbKit.removeConfig(configName)
*/
static void removeDbProWithConfig(String configName) {
if (MAIN != null && MAIN.config.getName().equals(configName)) {
MAIN = null;
}
cache.remove(configName);
}
public static DbPro use(String configName) {
DbPro result = cache.get(configName);
if (result == null) {
Config config = DbKit.getConfig(configName);
if (config == null) {
throw new IllegalArgumentException("Config not found by configName: " + configName);
}
result = config.dbProFactory.getDbPro(configName); // new DbPro(configName);
cache.put(configName, result);
}
return result;
}
public static DbPro use() {
return MAIN;
}
static List query(Config config, Connection conn, String sql, Object... paras) throws SQLException {
return MAIN.query(config, conn, sql, paras);
}
/**
* sql paras 查询,从 JDBC 原样取值且不封装到 Record 对象
*/
public static List query(String sql, Object... paras) {
return MAIN.query(sql, paras);
}
/**
* @see #query(String, Object...)
* @param sql an SQL statement
*/
public static List query(String sql) {
return MAIN.query(sql);
}
/**
* Execute sql query and return the first result. I recommend add "limit 1" in your sql.
* @param sql an SQL statement that may contain one or more '?' IN parameter placeholders
* @param paras the parameters of sql
* @return Object[] if your sql has select more than one column,
* and it return Object if your sql has select only one column.
*/
public static T queryFirst(String sql, Object... paras) {
return MAIN.queryFirst(sql, paras);
}
/**
* @see #queryFirst(String, Object...)
* @param sql an SQL statement
*/
public static T queryFirst(String sql) {
return MAIN.queryFirst(sql);
}
// 26 queryXxx method below -----------------------------------------------
/**
* Execute sql query just return one column.
* @param the type of the column that in your sql's select statement
* @param sql an SQL statement that may contain one or more '?' IN parameter placeholders
* @param paras the parameters of sql
* @return T
*/
public static T queryColumn(String sql, Object... paras) {
return MAIN.queryColumn(sql, paras);
}
public static T queryColumn(String sql) {
return MAIN.queryColumn(sql);
}
public static String queryStr(String sql, Object... paras) {
return MAIN.queryStr(sql, paras);
}
public static String queryStr(String sql) {
return MAIN.queryStr(sql);
}
public static Integer queryInt(String sql, Object... paras) {
return MAIN.queryInt(sql, paras);
}
public static Integer queryInt(String sql) {
return MAIN.queryInt(sql);
}
public static Long queryLong(String sql, Object... paras) {
return MAIN.queryLong(sql, paras);
}
public static Long queryLong(String sql) {
return MAIN.queryLong(sql);
}
public static Double queryDouble(String sql, Object... paras) {
return MAIN.queryDouble(sql, paras);
}
public static Double queryDouble(String sql) {
return MAIN.queryDouble(sql);
}
public static Float queryFloat(String sql, Object... paras) {
return MAIN.queryFloat(sql, paras);
}
public static Float queryFloat(String sql) {
return MAIN.queryFloat(sql);
}
public static BigDecimal queryBigDecimal(String sql, Object... paras) {
return MAIN.queryBigDecimal(sql, paras);
}
public static BigDecimal queryBigDecimal(String sql) {
return MAIN.queryBigDecimal(sql);
}
public static BigInteger queryBigInteger(String sql, Object... paras) {
return MAIN.queryBigInteger(sql, paras);
}
public static BigInteger queryBigInteger(String sql) {
return MAIN.queryBigInteger(sql);
}
public static byte[] queryBytes(String sql, Object... paras) {
return MAIN.queryBytes(sql, paras);
}
public static byte[] queryBytes(String sql) {
return MAIN.queryBytes(sql);
}
public static java.util.Date queryDate(String sql, Object... paras) {
return MAIN.queryDate(sql, paras);
}
public static java.util.Date queryDate(String sql) {
return MAIN.queryDate(sql);
}
public static LocalDateTime queryLocalDateTime(String sql, Object... paras) {
return MAIN.queryLocalDateTime(sql, paras);
}
public static LocalDateTime queryLocalDateTime(String sql) {
return MAIN.queryLocalDateTime(sql);
}
public static java.sql.Time queryTime(String sql, Object... paras) {
return MAIN.queryTime(sql, paras);
}
public static java.sql.Time queryTime(String sql) {
return MAIN.queryTime(sql);
}
public static java.sql.Timestamp queryTimestamp(String sql, Object... paras) {
return MAIN.queryTimestamp(sql, paras);
}
public static java.sql.Timestamp queryTimestamp(String sql) {
return MAIN.queryTimestamp(sql);
}
public static Boolean queryBoolean(String sql, Object... paras) {
return MAIN.queryBoolean(sql, paras);
}
public static Boolean queryBoolean(String sql) {
return MAIN.queryBoolean(sql);
}
public static Short queryShort(String sql, Object... paras) {
return MAIN.queryShort(sql, paras);
}
public static Short queryShort(String sql) {
return MAIN.queryShort(sql);
}
public static Byte queryByte(String sql, Object... paras) {
return MAIN.queryByte(sql, paras);
}
public static Byte queryByte(String sql) {
return MAIN.queryByte(sql);
}
public static Number queryNumber(String sql, Object... paras) {
return MAIN.queryNumber(sql, paras);
}
public static Number queryNumber(String sql) {
return MAIN.queryNumber(sql);
}
// 26 queryXxx method under -----------------------------------------------
/**
* Execute sql update
*/
static int update(Config config, Connection conn, String sql, Object... paras) throws SQLException {
return MAIN.update(config, conn, sql, paras);
}
/**
* Execute update, insert or delete sql statement.
* @param sql an SQL statement that may contain one or more '?' IN parameter placeholders
* @param paras the parameters of sql
* @return either the row count for INSERT
, UPDATE
,
* or DELETE
statements, or 0 for SQL statements
* that return nothing
*/
public static int update(String sql, Object... paras) {
return MAIN.update(sql, paras);
}
/**
* @see #update(String, Object...)
* @param sql an SQL statement
*/
public static int update(String sql) {
return MAIN.update(sql);
}
static List find(Config config, Connection conn, String sql, Object... paras) throws SQLException {
return MAIN.find(config, conn, sql, paras);
}
/**
* sql paras 查询,数据封装到 Record 对象
*/
public static List find(String sql, Object... paras) {
return MAIN.find(sql, paras);
}
/**
* @see #find(String, Object...)
* @param sql the sql statement
*/
public static List find(String sql) {
return MAIN.find(sql);
}
public static List findAll(String tableName) {
return MAIN.findAll(tableName);
}
/**
* Find first record. I recommend add "limit 1" in your sql.
* @param sql an SQL statement that may contain one or more '?' IN parameter placeholders
* @param paras the parameters of sql
* @return the Record object
*/
public static Record findFirst(String sql, Object... paras) {
return MAIN.findFirst(sql, paras);
}
/**
* @see #findFirst(String, Object...)
* @param sql an SQL statement
*/
public static Record findFirst(String sql) {
return MAIN.findFirst(sql);
}
/**
* Find record by id with default primary key.
*
* Example:
* Record user = Db.findById("user", 15);
*
* @param tableName the table name of the table
* @param idValue the id value of the record
*/
public static Record findById(String tableName, Object idValue) {
return MAIN.findById(tableName, idValue);
}
public static Record findById(String tableName, String primaryKey, Object idValue) {
return MAIN.findById(tableName, primaryKey, idValue);
}
/**
* Find record by ids.
*
* Example:
* Record user = Db.findByIds("user", "user_id", 123);
* Record userRole = Db.findByIds("user_role", "user_id, role_id", 123, 456);
*
* @param tableName the table name of the table
* @param primaryKey the primary key of the table, composite primary key is separated by comma character: ","
* @param idValues the id value of the record, it can be composite id values
*/
public static Record findByIds(String tableName, String primaryKey, Object... idValues) {
return MAIN.findByIds(tableName, primaryKey, idValues);
}
/**
* Delete record by id with default primary key.
*
* Example:
* Db.deleteById("user", 15);
*
* @param tableName the table name of the table
* @param idValue the id value of the record
* @return true if delete succeed otherwise false
*/
public static boolean deleteById(String tableName, Object idValue) {
return MAIN.deleteById(tableName, idValue);
}
public static boolean deleteById(String tableName, String primaryKey, Object idValue) {
return MAIN.deleteById(tableName, primaryKey, idValue);
}
/**
* Delete record by ids.
*
* Example:
* Db.deleteByIds("user", "user_id", 15);
* Db.deleteByIds("user_role", "user_id, role_id", 123, 456);
*
* @param tableName the table name of the table
* @param primaryKey the primary key of the table, composite primary key is separated by comma character: ","
* @param idValues the id value of the record, it can be composite id values
* @return true if delete succeed otherwise false
*/
public static boolean deleteByIds(String tableName, String primaryKey, Object... idValues) {
return MAIN.deleteByIds(tableName, primaryKey, idValues);
}
/**
* Delete record.
*
* Example:
* boolean succeed = Db.delete("user", "id", user);
*
* @param tableName the table name of the table
* @param primaryKey the primary key of the table, composite primary key is separated by comma character: ","
* @param record the record
* @return true if delete succeed otherwise false
*/
public static boolean delete(String tableName, String primaryKey, Record record) {
return MAIN.delete(tableName, primaryKey, record);
}
/**
*
* Example:
* boolean succeed = Db.delete("user", user);
*
* @see #delete(String, String, Record)
*/
public static boolean delete(String tableName, Record record) {
return MAIN.delete(tableName, record);
}
/**
* Execute delete sql statement.
* @param sql an SQL statement that may contain one or more '?' IN parameter placeholders
* @param paras the parameters of sql
* @return the row count for DELETE
statements, or 0 for SQL statements
* that return nothing
*/
public static int delete(String sql, Object... paras) {
return MAIN.delete(sql, paras);
}
/**
* @see #delete(String, Object...)
* @param sql an SQL statement
*/
public static int delete(String sql) {
return MAIN.delete(sql);
}
static Page paginate(Config config, Connection conn, int pageNumber, int pageSize, String select, String sqlExceptSelect, Object... paras) throws SQLException {
return MAIN.paginate(config, conn, pageNumber, pageSize, select, sqlExceptSelect, paras);
}
/**
* Paginate.
* @param pageNumber the page number
* @param pageSize the page size
* @param select the select part of the sql statement
* @param sqlExceptSelect the sql statement excluded select part
* @param paras the parameters of sql
* @return the Page object
*/
public static Page paginate(int pageNumber, int pageSize, String select, String sqlExceptSelect, Object... paras) {
return MAIN.paginate(pageNumber, pageSize, select, sqlExceptSelect, paras);
}
public static Page paginate(int pageNumber, int pageSize, boolean isGroupBySql, String select, String sqlExceptSelect, Object... paras) {
return MAIN.paginate(pageNumber, pageSize, isGroupBySql, select, sqlExceptSelect, paras);
}
/**
* 分页
*/
public static Page paginate(int pageNumber, int pageSize, String select, String sqlExceptSelect) {
return MAIN.paginate(pageNumber, pageSize, select, sqlExceptSelect);
}
public static Page paginateByFullSql(int pageNumber, int pageSize, String totalRowSql, String findSql, Object... paras) {
return MAIN.paginateByFullSql(pageNumber, pageSize, totalRowSql, findSql, paras);
}
public static Page paginateByFullSql(int pageNumber, int pageSize, boolean isGroupBySql, String totalRowSql, String findSql, Object... paras) {
return MAIN.paginateByFullSql(pageNumber, pageSize, isGroupBySql, totalRowSql, findSql, paras);
}
static boolean save(Config config, Connection conn, String tableName, String primaryKey, Record record) throws SQLException {
return MAIN.save(config, conn, tableName, primaryKey, record);
}
/**
* Save record.
*
* Example:
* Record userRole = new Record().set("user_id", 123).set("role_id", 456);
* Db.save("user_role", "user_id, role_id", userRole);
*
* @param tableName the table name of the table
* @param primaryKey the primary key of the table, composite primary key is separated by comma character: ","
* @param record the record will be saved
* @return true if save succeed otherwise false
*/
public static boolean save(String tableName, String primaryKey, Record record) {
return MAIN.save(tableName, primaryKey, record);
}
/**
* @see #save(String, String, Record)
*/
public static boolean save(String tableName, Record record) {
return MAIN.save(tableName, record);
}
static boolean update(Config config, Connection conn, String tableName, String primaryKey, Record record) throws SQLException {
return MAIN.update(config, conn, tableName, primaryKey, record);
}
/**
* Update Record.
*
* Example:
* Db.update("user_role", "user_id, role_id", record);
*
* @param tableName the table name of the Record save to
* @param primaryKey the primary key of the table, composite primary key is separated by comma character: ","
* @param record the Record object
* @return true if update succeed otherwise false
*/
public static boolean update(String tableName, String primaryKey, Record record) {
return MAIN.update(tableName, primaryKey, record);
}
/**
* Update record with default primary key.
*
* Example:
* Db.update("user", record);
*
* @see #update(String, String, Record)
*/
public static boolean update(String tableName, Record record) {
return MAIN.update(tableName, record);
}
/**
* @see #execute(Config, ICallback)
*/
public static Object execute(ICallback callback) {
return MAIN.execute(callback);
}
/**
* Execute callback. It is useful when all the API can not satisfy your requirement.
* @param config the Config object
* @param callback the ICallback interface
*/
static Object execute(Config config, ICallback callback) {
return MAIN.execute(config, callback);
}
/**
* Execute transaction.
* @param config the Config object
* @param transactionLevel the transaction level
* @param atom the atom operation
* @return true if transaction executing succeed otherwise false
*/
static boolean tx(Config config, int transactionLevel, IAtom atom) {
return MAIN.tx(config, transactionLevel, atom);
}
/**
* Execute transaction with default transaction level.
* @see #tx(int, IAtom)
*/
public static boolean tx(IAtom atom) {
return MAIN.tx(atom);
}
public static boolean tx(int transactionLevel, IAtom atom) {
return MAIN.tx(transactionLevel, atom);
}
/**
* 主要用于嵌套事务场景
*
* 实例:https://jfinal.com/feedback/4008
*
* 默认情况下嵌套事务会被合并成为一个事务,那么内层与外层任何地方回滚事务
* 所有嵌套层都将回滚事务,也就是说嵌套事务无法独立提交与回滚
*
* 使用 txInNewThread(...) 方法可以实现层之间的事务控制的独立性
* 由于事务处理是将 Connection 绑定到线程上的,所以 txInNewThread(...)
* 通过建立新线程来实现嵌套事务的独立控制
*/
public static Future txInNewThread(IAtom atom) {
return MAIN.txInNewThread(atom);
}
public static Future txInNewThread(int transactionLevel, IAtom atom) {
return MAIN.txInNewThread(transactionLevel, atom);
}
/**
* Find Record by cache.
* @see #find(String, Object...)
* @param cacheName the cache name
* @param key the key used to get date from cache
* @return the list of Record
*/
public static List findByCache(String cacheName, Object key, String sql, Object... paras) {
return MAIN.findByCache(cacheName, key, sql, paras);
}
/**
* @see #findByCache(String, Object, String, Object...)
*/
public static List findByCache(String cacheName, Object key, String sql) {
return MAIN.findByCache(cacheName, key, sql);
}
/**
* Find first record by cache. I recommend add "limit 1" in your sql.
* @see #findFirst(String, Object...)
* @param cacheName the cache name
* @param key the key used to get date from cache
* @param sql an SQL statement that may contain one or more '?' IN parameter placeholders
* @param paras the parameters of sql
* @return the Record object
*/
public static Record findFirstByCache(String cacheName, Object key, String sql, Object... paras) {
return MAIN.findFirstByCache(cacheName, key, sql, paras);
}
/**
* @see #findFirstByCache(String, Object, String, Object...)
*/
public static Record findFirstByCache(String cacheName, Object key, String sql) {
return MAIN.findFirstByCache(cacheName, key, sql);
}
/**
* Paginate by cache.
* @see #paginate(int, int, String, String, Object...)
* @return Page
*/
public static Page paginateByCache(String cacheName, Object key, int pageNumber, int pageSize, String select, String sqlExceptSelect, Object... paras) {
return MAIN.paginateByCache(cacheName, key, pageNumber, pageSize, select, sqlExceptSelect, paras);
}
public static Page paginateByCache(String cacheName, Object key, int pageNumber, int pageSize, boolean isGroupBySql, String select, String sqlExceptSelect, Object... paras) {
return MAIN.paginateByCache(cacheName, key, pageNumber, pageSize, isGroupBySql, select, sqlExceptSelect, paras);
}
/**
* @see #paginateByCache(String, Object, int, int, String, String, Object...)
*/
public static Page paginateByCache(String cacheName, Object key, int pageNumber, int pageSize, String select, String sqlExceptSelect) {
return MAIN.paginateByCache(cacheName, key, pageNumber, pageSize, select, sqlExceptSelect);
}
/**
* @see DbPro#batch(String, Object[][], int)
*/
public static int[] batch(String sql, Object[][] paras, int batchSize) {
return MAIN.batch(sql, paras, batchSize);
}
/**
* @see DbPro#batch(String, String, List, int)
*/
public static int[] batch(String sql, String columns, List modelOrRecordList, int batchSize) {
return MAIN.batch(sql, columns, modelOrRecordList, batchSize);
}
/**
* @see DbPro#batch(List, int)
*/
public static int[] batch(List sqlList, int batchSize) {
return MAIN.batch(sqlList, batchSize);
}
/**
* @see DbPro#batchSave(List, int)
*/
public static int[] batchSave(List extends Model> modelList, int batchSize) {
return MAIN.batchSave(modelList, batchSize);
}
/**
* @see DbPro#batchSave(String, List, int)
*/
public static int[] batchSave(String tableName, List extends Record> recordList, int batchSize) {
return MAIN.batchSave(tableName, recordList, batchSize);
}
/**
* @see DbPro#batchUpdate(List, int)
*/
public static int[] batchUpdate(List extends Model> modelList, int batchSize) {
return MAIN.batchUpdate(modelList, batchSize);
}
/**
* @see DbPro#batchUpdate(String, String, List, int)
*/
public static int[] batchUpdate(String tableName, String primaryKey, List extends Record> recordList, int batchSize) {
return MAIN.batchUpdate(tableName, primaryKey, recordList, batchSize);
}
/**
* @see DbPro#batchUpdate(String, List, int)
*/
public static int[] batchUpdate(String tableName, List extends Record> recordList, int batchSize) {
return MAIN.batchUpdate(tableName, recordList, batchSize);
}
public static String getSql(String key) {
return MAIN.getSql(key);
}
// 支持传入变量用于 sql 生成。为了避免用户将参数拼接在 sql 中引起 sql 注入风险,只在 SqlKit 中开放该功能
// public static String getSql(String key, Map data) {
// return MAIN.getSql(key, data);
// }
public static SqlPara getSqlPara(String key, Record record) {
return MAIN.getSqlPara(key, record);
}
public static SqlPara getSqlPara(String key, Model model) {
return MAIN.getSqlPara(key, model);
}
public static SqlPara getSqlPara(String key, Map data) {
return MAIN.getSqlPara(key, data);
}
public static SqlPara getSqlPara(String key, Object... paras) {
return MAIN.getSqlPara(key, paras);
}
public static SqlPara getSqlParaByString(String content, Map data) {
return MAIN.getSqlParaByString(content, data);
}
public static SqlPara getSqlParaByString(String content, Object... paras) {
return MAIN.getSqlParaByString(content, paras);
}
public static List find(SqlPara sqlPara) {
return MAIN.find(sqlPara);
}
public static Record findFirst(SqlPara sqlPara) {
return MAIN.findFirst(sqlPara);
}
public static int update(SqlPara sqlPara) {
return MAIN.update(sqlPara);
}
public static Page paginate(int pageNumber, int pageSize, SqlPara sqlPara) {
return MAIN.paginate(pageNumber, pageSize, sqlPara);
}
public static Page paginate(int pageNumber, int pageSize, boolean isGroupBySql, SqlPara sqlPara) {
return MAIN.paginate(pageNumber, pageSize, isGroupBySql, sqlPara);
}
// ---------
/**
* 迭代处理每一个查询出来的 Record 对象
*
* 例子:
* Db.each(record -> {
* // 处理 record 的代码在此
*
* // 返回 true 继续循环处理下一条数据,返回 false 立即终止循环
* return true;
* }, sql, paras);
*
*/
public static void each(Function func, String sql, Object... paras) {
MAIN.each(func, sql, paras);
}
// ---------
/**
* 使用 sql 模板进行查询,可以省去 Db.getSqlPara(...) 调用
*
*
* 例子:
* Db.template("blog.find", Kv.of("id", 123).find();
*
*/
public static DbTemplate template(String key, Map data) {
return MAIN.template(key, data);
}
/**
* 使用 sql 模板进行查询,可以省去 Db.getSqlPara(...) 调用
*
*
* 例子:
* Db.template("blog.find", 123).find();
*
*/
public static DbTemplate template(String key, Object... paras) {
return MAIN.template(key, paras);
}
// ---------
/**
* 使用字符串变量作为 sql 模板进行查询,可省去外部 sql 文件来使用
* sql 模板功能
*
*
* 例子:
* String sql = "select * from blog where id = #para(id)";
* Db.templateByString(sql, Kv.of("id", 123).find();
*
*/
public static DbTemplate templateByString(String content, Map data) {
return MAIN.templateByString(content, data);
}
/**
* 使用字符串变量作为 sql 模板进行查询,可省去外部 sql 文件来使用
* sql 模板功能
*
*
* 例子:
* String sql = "select * from blog where id = #para(0)";
* Db.templateByString(sql, 123).find();
*
*/
public static DbTemplate templateByString(String content, Object... paras) {
return MAIN.templateByString(content, paras);
}
}
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