com.litongjava.db.base

Class DbBase

java.lang.Object

com.litongjava.db.base.DbBase

Direct Known Subclasses:

MyBlogDao

public abstract class DbBase
extends Object

Constructor Summary

Constructors

Constructor and Description
DbBase()

Method Summary

Modifier and Type	Method and Description
Long	count()
boolean	delete(Row record)
boolean	delete(String primaryKey, Row record)
boolean	deleteById(Object idValue)
boolean	deleteById(String primaryKey, Object idValue)
boolean	deleteByIds(Row record)
boolean	deleteByIds(String primaryKey, Object... idValues)
boolean	exists(String fields, Object... paras)
List<Row>	find(Row where)
List<Row>	find(String columns, Row where)
List<Row>	findAll()
List<Row>	findByColumn(String column, Object value)
List<Row>	findByField(String field, Object value)
<T> T	findById(Class<T> clazz, Object id)
<T> T	findById(Class<T> clazz, String primaryKey, Object id)
Row	findById(Object id)
Row	findById(String primaryKey, Object id)
<T> T	findByIds(Class<T> clazz, String primaryKey, Object... ids)
Row	findByIds(String primaryKey, Object... ids)
List<Row>	findByTemplate(String key, Object... paras)
List<Row>	findColumns(String columns)
Row	findColumnsById(String columns, Object id)
Row	findColumnsById(String columns, String primaryKey, Object id)
Row	findColumnsByIds(String columns, String primaryKey, Object... ids)
List<Row>	findColumnsIn(String columns, String primaryKey, List<?> ids)
List<Row>	findColumnsIn(String columns, String primaryKey, Object... ids)
Row	findFirst(Row where)
Row	findFirst(String columns, Row where)
Row	findFirstByTemplate(String key, Object... paras)
List<Row>	findIn(String primaryKey, Object... ids)
Row	findOne()
abstract String	getTableName() 子类实现：返回当前 Dao 对应表名
com.litongjava.model.page.Page<Row>	paginate(int pageNumber, int pageSize, boolean isGroupBySql, com.litongjava.db.SqlPara sqlPara)
com.litongjava.model.page.Page<Row>	paginate(int pageNumber, int pageSize, com.litongjava.db.SqlPara sqlPara) 下面这些分页方法本身不带 tableName 参数，通常在 sql 里直接写表名。 为了统一调用出口，也可以在 DbBase 再包一层，视你项目风格决定是否使用。 这里给出一个示例：SqlPara 直接转发给 Db。
com.litongjava.model.page.Page<Row>	paginate(int pageNumber, int pageSize, String select, String sqlExceptSelect)
com.litongjava.model.page.Page<Row>	paginate(int pageNumber, int pageSize, String select, String sqlExceptSelect, Object... paras)
com.litongjava.model.page.Page<Row>	paginateByTemplate(int pageNumber, int pageSize, String key, Object... paras)
<T> T	queryColumnByField(String column, String field, Object value)
<T> T	queryColumnById(String column, Object id)
Long	queryLongById(String column, Object id)
org.postgresql.util.PGobject	queryPGobjectById(String column, Object id)
Long	queryStrById(String column, Object id)
boolean	save(Row record)
boolean	save(Row record, String[] jsonFields)
boolean	save(String primaryKey, Row record)
boolean	save(String primaryKey, Row record, String[] jsonFields)
boolean	saveIfAbsent(Row record)
boolean	update(Row record) 使用 Db.update(String tableName, Row record) tableName 由 getTableName 提供
boolean	update(String primaryKeys, Row record)
boolean	update(String primaryKey, Row record, String[] jsonFields)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DbBase

public DbBase()

Method Detail

getTableName

public abstract String getTableName()

子类实现：返回当前 Dao 对应表名

save

public boolean save(Row record)

save

public boolean save(String primaryKey,
                    Row record)

saveIfAbsent

public boolean saveIfAbsent(Row record)

save

public boolean save(Row record,
                    String[] jsonFields)

save

public boolean save(String primaryKey,
                    Row record,
                    String[] jsonFields)

update

public boolean update(Row record)

使用 Db.update(String tableName, Row record) tableName 由 getTableName 提供

update

public boolean update(String primaryKeys,
                      Row record)

update

public boolean update(String primaryKey,
                      Row record,
                      String[] jsonFields)

deleteById

public boolean deleteById(Object idValue)

deleteById

public boolean deleteById(String primaryKey,
                          Object idValue)

deleteByIds

public boolean deleteByIds(String primaryKey,
                           Object... idValues)

delete

public boolean delete(Row record)

delete

public boolean delete(String primaryKey,
                      Row record)

deleteByIds

public boolean deleteByIds(Row record)

queryColumnById

public <T> T queryColumnById(String column,
                             Object id)

queryLongById

public Long queryLongById(String column,
                          Object id)

queryStrById

public Long queryStrById(String column,
                         Object id)

queryColumnByField

public <T> T queryColumnByField(String column,
                                String field,
                                Object value)

queryPGobjectById

public org.postgresql.util.PGobject queryPGobjectById(String column,
                                                      Object id)

find

public List<Row> find(Row where)

find

public List<Row> find(String columns,
                      Row where)

findByField

public List<Row> findByField(String field,
                             Object value)

findIn

public List<Row> findIn(String primaryKey,
                        Object... ids)

findColumnsIn

public List<Row> findColumnsIn(String columns,
                               String primaryKey,
                               Object... ids)

findColumnsIn

public List<Row> findColumnsIn(String columns,
                               String primaryKey,
                               List<?> ids)

findAll

public List<Row> findAll()

findColumns

public List<Row> findColumns(String columns)

findFirst

public Row findFirst(Row where)

findFirst

public Row findFirst(String columns,
                     Row where)

findOne

public Row findOne()

findById

public Row findById(Object id)

findById

public Row findById(String primaryKey,
                    Object id)

findById

public <T> T findById(Class<T> clazz,
                      Object id)

findById

public <T> T findById(Class<T> clazz,
                      String primaryKey,
                      Object id)

findColumnsById

public Row findColumnsById(String columns,
                           Object id)

findColumnsById

public Row findColumnsById(String columns,
                           String primaryKey,
                           Object id)

findByIds

public Row findByIds(String primaryKey,
                     Object... ids)

findByIds

public <T> T findByIds(Class<T> clazz,
                       String primaryKey,
                       Object... ids)

findColumnsByIds

public Row findColumnsByIds(String columns,
                            String primaryKey,
                            Object... ids)

findByColumn

public List<Row> findByColumn(String column,
                              Object value)

exists

public boolean exists(String fields,
                      Object... paras)

count

public Long count()

paginate

public com.litongjava.model.page.Page<Row> paginate(int pageNumber,
                                                    int pageSize,
                                                    com.litongjava.db.SqlPara sqlPara)

下面这些分页方法本身不带 tableName 参数，通常在 sql 里直接写表名。 为了统一调用出口，也可以在 DbBase 再包一层，视你项目风格决定是否使用。 这里给出一个示例：SqlPara 直接转发给 Db。

paginate

public com.litongjava.model.page.Page<Row> paginate(int pageNumber,
                                                    int pageSize,
                                                    boolean isGroupBySql,
                                                    com.litongjava.db.SqlPara sqlPara)

paginate

public com.litongjava.model.page.Page<Row> paginate(int pageNumber,
                                                    int pageSize,
                                                    String select,
                                                    String sqlExceptSelect,
                                                    Object... paras)

paginate

public com.litongjava.model.page.Page<Row> paginate(int pageNumber,
                                                    int pageSize,
                                                    String select,
                                                    String sqlExceptSelect)

findByTemplate

public List<Row> findByTemplate(String key,
                                Object... paras)

findFirstByTemplate

public Row findFirstByTemplate(String key,
                               Object... paras)

paginateByTemplate

public com.litongjava.model.page.Page<Row> paginateByTemplate(int pageNumber,
                                                              int pageSize,
                                                              String key,
                                                              Object... paras)