com.aiyc.server.standalone.db.homes
类 EntityHome<T extends IEntity<Integer>>

java.lang.Object
  com.aiyc.server.standalone.db.homes.EntityHome<T>

所有已实现的接口：

IArea, IEntityHome<T,Integer>

直接已知子类：

BluetoothReadingHome, FingerprintHome, GSMReadingHome, LocationHome, MapHome, MeasurementHome, ReadingInMeasurementHome, WiFiReadingHome

public abstract class EntityHome<T extends IEntity<Integer>>
extends Object
implements IEntityHome<T,Integer>, IArea

字段摘要

protected String	area
protected com.waspring.wasdbtools.DatabaseConnection	db
protected String	deleteSQL
protected String	insertSQL
protected Logger	log
protected int	primaryKeyId
protected String	selectSQL
protected String	TableColNames
protected String	updateSQL

构造方法摘要

EntityHome()

方法摘要

List<T>	add(List<T> list) Add a list of entities
T	add(T e) Add an entity to the database.
int	executeInsertUpdate(Vector<PreparedStatement> vps, T e)
protected int	fillInStatement(PreparedStatement ps, Object[] values, int[] sqlTypes)
protected int	fillInStatement(PreparedStatement ps, Object[] values, int[] sqlTypes, int fromIndex) Fills values into the PreparedStatement starting at fromIndex
protected int	fillInStatement(PreparedStatement ps, T e)
protected abstract int	fillInStatement(PreparedStatement ps, T e, int fromIndex) Fills entity values into the PreparedStatement starting at fromIndex
List<T>	get(List<T> list) Get a List of entities
protected List<T>	get(String constraint) Gets entities from database matching a constraint
T	get(T e) Get an entity
List<T>	getAll() Get all entities
String	getArea()
T	getById(Integer id) Get an entity by it's primary key
List<T>	getById(List<Integer> ids) Get a List of entities by their primary keys
T	getByName(String name)
protected String	getDeleteSQL()
protected ResultSet	getGeneratedKey(PreparedStatement ps) Helper function to get generated key Does consider different methods of retrieving the generated keys depending on the database
protected String	getInsertSQL()
protected String	getOrder()
protected PreparedStatement	getPreparedStatement(String sql) Helper function to get a prepared statement.
protected int	getPrimaryKeyId()
protected String	getSelectSQL()
protected String	getTableColNames()
protected abstract String[]	getTableCols()
protected abstract String	getTableIdCol()
protected abstract String	getTableName()
protected String	getUpdateSQL()
protected static String	implode(Object[] obj)
protected T	parseResultRow(ResultSet rs)
abstract T	parseResultRow(ResultSet rs, int fromIndex) This function restores an entity from a database row
boolean	remove(List<T> list) Removes a List of entities
protected boolean	remove(String constraint) Removes entities from database matching a constraint
boolean	remove(T e) Removes an entity
boolean	removeAll() Removes all entities from database
void	setArea(String area)
boolean	update(List<T> list) Updates a List of entities
boolean	update(T e) Updates an entity

从类 java.lang.Object 继承的方法

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

字段详细信息

area

protected String area

primaryKeyId

protected int primaryKeyId

db

protected com.waspring.wasdbtools.DatabaseConnection db

log

protected Logger log

TableColNames

protected String TableColNames

insertSQL

protected String insertSQL

updateSQL

protected String updateSQL

selectSQL

protected String selectSQL

deleteSQL

protected String deleteSQL

构造方法详细信息

EntityHome

public EntityHome()

方法详细信息

getArea

public String getArea()

指定者：

接口 IArea 中的 getArea

setArea

public void setArea(String area)

指定者：

接口 IArea 中的 setArea

getTableName

protected abstract String getTableName()

返回：

Table name of entity

getTableColNames

protected String getTableColNames()

返回：

columns names of entity for a query

getPrimaryKeyId

protected int getPrimaryKeyId()

返回：

next primary key for the entry

getInsertSQL

protected String getInsertSQL()

返回：

prepared INSERT sql string

getUpdateSQL

protected String getUpdateSQL()

返回：

prepared UPDATE sql string

getSelectSQL

protected String getSelectSQL()

返回：

prepared SELECT sql string

getOrder

protected String getOrder()

返回：

SQL ORDER BY string

getDeleteSQL

protected String getDeleteSQL()

返回：

prepared DELETE sql string

getTableIdCol

protected abstract String getTableIdCol()

返回：

Primary key column name

getTableCols

protected abstract String[] getTableCols()

返回：

All table columns excluding the primary key column

parseResultRow

protected T parseResultRow(ResultSet rs)
                                             throws SQLException

参数：

rs - ResultSet

返回：

Restored entity from database row

抛出：

SQLException

另请参见：

parseResultRow(ResultSet, int)

parseResultRow

public abstract T parseResultRow(ResultSet rs,
                                 int fromIndex)
                                                   throws SQLException

This function restores an entity from a database row

参数：

rs - ResultSet

fromIndex - index from where the parsing starts

返回：

Restored entity from database row

抛出：

SQLException

fillInStatement

protected int fillInStatement(PreparedStatement ps,
                              Object[] values,
                              int[] sqlTypes)
                       throws SQLException

参数：

ps - PreparedStatement

values - entity values

sqlTypes - corresponding SQL Types for values

返回：

number of filled in values

抛出：

SQLException

另请参见：

fillInStatement(PreparedStatement, Object[], int[], int)

fillInStatement

protected int fillInStatement(PreparedStatement ps,
                              Object[] values,
                              int[] sqlTypes,
                              int fromIndex)
                       throws SQLException

Fills values into the PreparedStatement starting at fromIndex

参数：

ps - PreparedStatement

values - entity values

sqlTypes - corresponding SQL Types for values

fromIndex - index from where the filling in starts

返回：

number of filled in values

抛出：

SQLException

fillInStatement

protected int fillInStatement(PreparedStatement ps,
                              T e)
                       throws SQLException

参数：

ps - PreparedStatement

e - Entity

返回：

number of filled in values

抛出：

SQLException

另请参见：

fillInStatement(PreparedStatement, IEntity, int)

fillInStatement

protected abstract int fillInStatement(PreparedStatement ps,
                                       T e,
                                       int fromIndex)
                                throws SQLException

Fills entity values into the PreparedStatement starting at fromIndex

参数：

ps - PreparedStatement

e - Entity

返回：

number of filled in values

抛出：

SQLException

executeInsertUpdate

public int executeInsertUpdate(Vector<PreparedStatement> vps,
                               T e)
                        throws SQLException

参数：

vps - Vector<PreparedStatement>

e - entity

返回：

primary key for the new entry

抛出：

SQLException

add

public T add(T e)

Add an entity to the database.

指定者：

接口 IEntityHome<T extends IEntity<Integer>,Integer> 中的 add

参数：

e - Entity

返回：

Entity with its generated primary key

add

public List<T> add(List<T> list)

Add a list of entities

指定者：

接口 IEntityHome<T extends IEntity<Integer>,Integer> 中的 add

参数：

list - List of entities

返回：

List of entities with their generated primary keys

get

protected List<T> get(String constraint)

Gets entities from database matching a constraint

参数：

constraint - SQL WHERE constraint

返回：

List of entities matching the constraint

get

public T get(T e)

Get an entity

指定者：

接口 IEntityHome<T extends IEntity<Integer>,Integer> 中的 get

参数：

e - Entity

返回：

Entity with all fields filled from database

getById

public T getById(Integer id)

Get an entity by it's primary key

指定者：

接口 IEntityHome<T extends IEntity<Integer>,Integer> 中的 getById

参数：

id - Primary Key

返回：

Entity

getByName

public T getByName(String name)

get

public List<T> get(List<T> list)

Get a List of entities

指定者：

接口 IEntityHome<T extends IEntity<Integer>,Integer> 中的 get

参数：

list - List of primary keys

返回：

List of entities

getById

public List<T> getById(List<Integer> ids)

Get a List of entities by their primary keys

指定者：

接口 IEntityHome<T extends IEntity<Integer>,Integer> 中的 getById

参数：

ids - List of primary keys

返回：

List of entities

getAll

public List<T> getAll()

Get all entities

指定者：

接口 IEntityHome<T extends IEntity<Integer>,Integer> 中的 getAll

返回：

List of all entities

remove

protected boolean remove(String constraint)

Removes entities from database matching a constraint

参数：

constraint - SQL WHERE constraint

返回：

True if successful

remove

public boolean remove(T e)

Removes an entity

指定者：

接口 IEntityHome<T extends IEntity<Integer>,Integer> 中的 remove

参数：

e - Entity

返回：

True if successful

remove

public boolean remove(List<T> list)

Removes a List of entities

指定者：

接口 IEntityHome<T extends IEntity<Integer>,Integer> 中的 remove

参数：

list - List of entities

返回：

True if removal of all entities was successful

removeAll

public boolean removeAll()

Removes all entities from database

指定者：

接口 IEntityHome<T extends IEntity<Integer>,Integer> 中的 removeAll

返回：

True if removal was successful

update

public boolean update(T e)

Updates an entity

指定者：

接口 IEntityHome<T extends IEntity<Integer>,Integer> 中的 update

参数：

e - Entity

返回：

True if successful

update

public boolean update(List<T> list)

Updates a List of entities

指定者：

接口 IEntityHome<T extends IEntity<Integer>,Integer> 中的 update

参数：

list - List of entities to be updated

返回：

true if all entities were updated successfully

getPreparedStatement

protected PreparedStatement getPreparedStatement(String sql)
                                          throws SQLException

Helper function to get a prepared statement. Does consider different methods of retrieving the generated keys depending on the database

参数：

sql - SQL command

返回：

PreparedStatement

抛出：

SQLException

getGeneratedKey

protected ResultSet getGeneratedKey(PreparedStatement ps)
                             throws SQLException

Helper function to get generated key Does consider different methods of retrieving the generated keys depending on the database

参数：

ps - PreparedStatement

返回：

ResultSet with generated key

抛出：

SQLException

implode

protected static String implode(Object[] obj)

参数：

obj - Objects to be imploded

返回：

String with each object separated by a colon