org.beangle.commons.entity.metadata

Class Model

java.lang.Object

org.beangle.commons.entity.metadata.Model

public final class Model
extends Object

Model class.

Version:

$Id: $

Author:

chaostone

Field Summary

Fields

Modifier and Type	Field and Description
static DefaultModelMeta	meta
static String	NULL Constant NULL="null"

Method Summary

Modifier and Type	Method and Description
static String	getEntityName(Object obj) getEntityName.
static Populator	getPopulator()
static EntityType	getType(Class<?> clazz) getEntityType.
static EntityType	getType(String entityName) getEntityType.
static <T extends Entity<?>> T	newInstance(Class<T> clazz) newInstance.
static <T extends Entity<ID>,ID extends Serializable> T	newInstance(Class<T> clazz, ID id) newInstance.
static void	populate(Object entity, Map<String,Object> params) 将params中的属性([attr(string)->value(object)]，放入到实体类中。 如果引用到了别的实体，那么 如果params中的id为null，则将该实体的置为null. 否则新生成一个实体，将其id设为params中指定的值。 空字符串按照null处理
static void	setMeta(DefaultModelMeta meta)

Methods inherited from class java.lang.Object

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

Field Detail

NULL

public static final String NULL

Constant NULL="null"

See Also:

Constant Field Values

meta

public static DefaultModelMeta meta

Method Detail

newInstance

public static <T extends Entity<?>> T newInstance(Class<T> clazz)

newInstance.

Type Parameters:

T - a T object.

Parameters:

clazz -

Returns:

a T object.

newInstance

public static <T extends Entity<ID>,ID extends Serializable> T newInstance(Class<T> clazz,
                                                                           ID id)

newInstance.

getType

public static EntityType getType(String entityName)

getEntityType.

Parameters:

entityName - a String object.

Returns:

a EntityType object.

getEntityName

public static String getEntityName(Object obj)

getEntityName.

Parameters:

obj - a Object object.

Returns:

a String object.

getType

public static EntityType getType(Class<?> clazz)

getEntityType.

Parameters:

clazz - a Class object.

Returns:

a EntityType object.

populate

public static void populate(Object entity,
                            Map<String,Object> params)

将params中的属性([attr(string)->value(object)]，放入到实体类中。
如果引用到了别的实体，那么
如果params中的id为null，则将该实体的置为null.
否则新生成一个实体，将其id设为params中指定的值。 空字符串按照null处理

Parameters:

params - a Map object.

entity - a Object object.

getPopulator

public static Populator getPopulator()

setMeta

public static void setMeta(DefaultModelMeta meta)