sf.database.meta

Class MetaHolder

java.lang.Object

sf.database.meta.MetaHolder

public class MetaHolder
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static boolean	checkEnhancement
protected static Map<DBField,TableMapping>	dbField2Tables 数据库字段对应表
protected static Map<String,TableMapping>	dynPool
protected static Map<String,TableMapping>	inverseMapping
protected static Map<Class<?>,TableMapping>	pool 元数据池,对应数据库表,key必须严格的相等
protected static Map<String,String>	SCHEMA_MAPPING
protected static Map<String,String>	SITE_MAPPING
protected static Map<Class<?>,TableMapping>	softPool 维护一个软引用,降低内存消耗!不对应数据库表,只对应返回的值类.
static Map<String,javax.persistence.SqlResultSetMapping>	SQL_RESULT_SET_MAPPING_MAP

Constructor Summary

Constructors

Constructor and Description
MetaHolder()

Method Summary

Modifier and Type	Method and Description
static void	cascade(TableMapping tm) 处理级联
static void	cascade(TableMapping tm, ColumnMapping cm)
static void	checkCascade(TableMapping tm) 级联关系,数据类型一致性校验缺乏.
static void	clear()
static Map<Class<?>,TableMapping>	getAllClass()
static TableMapping	getMeta(Class<?> clz) 根据类获取表模型
static TableMapping	getTableMapping(DBField field)
static TableMapping	getTableMapping(DBField f, String clzName)
static TableMapping	lookup(String schema, String table) 逆向查找元模型

Methods inherited from class java.lang.Object

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

Field Detail

SCHEMA_MAPPING

protected static Map<String,String> SCHEMA_MAPPING

SITE_MAPPING

protected static Map<String,String> SITE_MAPPING

pool

protected static final Map<Class<?>,TableMapping> pool

元数据池,对应数据库表,key必须严格的相等

softPool

protected static final Map<Class<?>,TableMapping> softPool

维护一个软引用,降低内存消耗!不对应数据库表,只对应返回的值类.

dynPool

protected static final Map<String,TableMapping> dynPool

inverseMapping

protected static final Map<String,TableMapping> inverseMapping

dbField2Tables

protected static final Map<DBField,TableMapping> dbField2Tables

数据库字段对应表

SQL_RESULT_SET_MAPPING_MAP

public static final Map<String,javax.persistence.SqlResultSetMapping> SQL_RESULT_SET_MAPPING_MAP

checkEnhancement

public static boolean checkEnhancement

Constructor Detail

MetaHolder

public MetaHolder()

Method Detail

getMeta

public static final TableMapping getMeta(Class<?> clz)

根据类获取表模型

Parameters:

clz -

Returns:

cascade

public static void cascade(TableMapping tm)

处理级联

cascade

public static void cascade(TableMapping tm,
                           ColumnMapping cm)

checkCascade

public static void checkCascade(TableMapping tm)

级联关系,数据类型一致性校验缺乏.

Parameters:

tm -

lookup

public static TableMapping lookup(String schema,
                                  String table)

逆向查找元模型

Parameters:

schema -

table -

getTableMapping

public static TableMapping getTableMapping(DBField f,
                                           String clzName)

Parameters:

f -

Returns:

getTableMapping

public static TableMapping getTableMapping(DBField field)

getAllClass

public static Map<Class<?>,TableMapping> getAllClass()

clear

public static void clear()