play.db.jpa
类 GenericModel

java.lang.Object
  play.db.jpa.JPABase
      play.db.jpa.GenericModel

所有已实现的接口：

java.io.Serializable, Model

直接已知子类：

JPASupport, Model

@MappedSuperclass
public class GenericModel
extends JPABase

A super class for JPA entities

另请参见：

序列化表格

嵌套类摘要

static class

GenericModel.JPAQuery A JPAQuery

从类 play.db.jpa.JPABase 继承的嵌套类/接口

JPABase.JPAQueryException

从接口 play.db.Model 继承的嵌套类/接口

Model.BinaryField, Model.Choices, Model.Factory, Model.Manager, Model.Property

字段摘要

从类 play.db.jpa.JPABase 继承的字段

willBeSaved

构造方法摘要

GenericModel()

方法摘要

void	_saveAttachment()
void	_setupAttachment()
static GenericModel.JPAQuery	all() Prepare a query to find *all* entities.
static long	count() Count entities
static long	count(java.lang.String query, java.lang.Object... params) Count entities with a special query.
boolean	create() store (ie insert) the entity.
static <T extends JPABase> T	create(java.lang.Class<?> type, java.lang.String name, java.util.Map<java.lang.String,java.lang.String[]> params, java.lang.annotation.Annotation[] annotations) 已过时。
static <T extends JPABase> T	create(ParamNode rootParamNode, java.lang.String name, java.lang.Class<?> type, java.lang.annotation.Annotation[] annotations)
static <T extends JPABase> T	create(java.lang.String name, Scope.Params params)
<T extends JPABase> T	delete() Delete the entity.
static int	delete(java.lang.String query, java.lang.Object... params) Batch delete of entities
static int	deleteAll() Delete all entities
static <T extends JPABase> T	edit(java.lang.Object o, java.lang.String name, java.util.Map<java.lang.String,java.lang.String[]> params, java.lang.annotation.Annotation[] annotations) 已过时。
<T extends GenericModel> T	edit(ParamNode rootParamNode, java.lang.String name)
static <T extends JPABase> T	edit(ParamNode rootParamNode, java.lang.String name, java.lang.Object o, java.lang.annotation.Annotation[] annotations)
<T extends GenericModel> T	edit(java.lang.String name, java.util.Map<java.lang.String,java.lang.String[]> params) 已过时。
static GenericModel.JPAQuery	find(java.lang.String query, java.lang.Object... params) Prepare a query to find entities.
static <T extends JPABase> java.util.List<T>	findAll() Find all entities of this type
static <T extends JPABase> T	findById(java.lang.Object id) Find the entity with the corresponding id.
<T extends JPABase> T	merge() Merge this object to obtain a managed entity (usefull when the object comes from the Cache).
<T extends JPABase> T	refresh() Refresh the entity state.
<T extends JPABase> T	save() store (ie insert) the entity.
boolean	validateAndCreate()
boolean	validateAndSave()

从类 play.db.jpa.JPABase 继承的方法

_delete, _key, _save, em, equals, getEntityId, getJPAConfig, getJPAContext, hashCode, isPersistent, toString

从类 java.lang.Object 继承的方法

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

构造方法详细信息

GenericModel

public GenericModel()

方法详细信息

create

@Deprecated
public static <T extends JPABase> T create(java.lang.Class<?> type,
                                                      java.lang.String name,
                                                      java.util.Map<java.lang.String,java.lang.String[]> params,
                                                      java.lang.annotation.Annotation[] annotations)

已过时。

This method is deprecated. Use this instead: public static T create(ParamNode rootParamNode, String name, Class type, Annotation[] annotations)

create

public static <T extends JPABase> T create(ParamNode rootParamNode,
                                           java.lang.String name,
                                           java.lang.Class<?> type,
                                           java.lang.annotation.Annotation[] annotations)

edit

@Deprecated
public static <T extends JPABase> T edit(java.lang.Object o,
                                                    java.lang.String name,
                                                    java.util.Map<java.lang.String,java.lang.String[]> params,
                                                    java.lang.annotation.Annotation[] annotations)

已过时。

This method is deprecated. Use this instead: public static T edit(ParamNode rootParamNode, String name, Object o, Annotation[] annotations)

返回：

edit

public static <T extends JPABase> T edit(ParamNode rootParamNode,
                                         java.lang.String name,
                                         java.lang.Object o,
                                         java.lang.annotation.Annotation[] annotations)

edit

@Deprecated
public <T extends GenericModel> T edit(java.lang.String name,
                                                  java.util.Map<java.lang.String,java.lang.String[]> params)

已过时。

This method is deprecated. Use this instead: public T edit(ParamNode rootParamNode, String name)

edit

public <T extends GenericModel> T edit(ParamNode rootParamNode,
                                       java.lang.String name)

validateAndSave

public boolean validateAndSave()

validateAndCreate

public boolean validateAndCreate()

save

public <T extends JPABase> T save()

store (ie insert) the entity.

create

public boolean create()

store (ie insert) the entity.

refresh

public <T extends JPABase> T refresh()

Refresh the entity state.

merge

public <T extends JPABase> T merge()

Merge this object to obtain a managed entity (usefull when the object comes from the Cache).

delete

public <T extends JPABase> T delete()

Delete the entity.

返回：

The deleted entity.

create

public static <T extends JPABase> T create(java.lang.String name,
                                           Scope.Params params)

count

public static long count()

Count entities

返回：

number of entities of this class

count

public static long count(java.lang.String query,
                         java.lang.Object... params)

Count entities with a special query. Example : Long moderatedPosts = Post.count("moderated", true);

参数：

query - HQL query or shortcut

params - Params to bind to the query

返回：

A long

findAll

public static <T extends JPABase> java.util.List<T> findAll()

Find all entities of this type

findById

public static <T extends JPABase> T findById(java.lang.Object id)

Find the entity with the corresponding id.

参数：

id - The entity id

返回：

The entity

find

public static GenericModel.JPAQuery find(java.lang.String query,
                                         java.lang.Object... params)

Prepare a query to find entities.

参数：

query - HQL query or shortcut

params - Params to bind to the query

返回：

A JPAQuery

all

public static GenericModel.JPAQuery all()

Prepare a query to find *all* entities.

返回：

A JPAQuery

delete

public static int delete(java.lang.String query,
                         java.lang.Object... params)

Batch delete of entities

参数：

query - HQL query or shortcut

params - Params to bind to the query

返回：

Number of entities deleted

deleteAll

public static int deleteAll()

Delete all entities

返回：

Number of entities deleted

_setupAttachment

public void _setupAttachment()

_saveAttachment

public void _saveAttachment()