org.mayanjun.myjack.api

Interface EntityAccessor

public interface EntityAccessor

Standard EntityAccessor

Since:

0.0.5

Author:

mayanjun(2/26/16)

Method Summary

Modifier and Type	Method and Description
long	count(Query<?> query) Count rows
int	delete(PersistableEntity bean) Delete a bean
int	delete(Query<? extends PersistableEntity> query) Delete beans with a query
<T extends PersistableEntity> T	getExclude(PersistableEntity bean, boolean forUpdate, String... excludeFields) Get a bean that the specified fields is excluded
<T extends PersistableEntity> T	getExclude(PersistableEntity bean, String... excludeFields) Get a bean that the specified fields is excluded
<T extends PersistableEntity> T	getInclude(PersistableEntity bean, boolean forUpdate, String... includeFields) Get a bean that only the specified fields is included
<T extends PersistableEntity> T	getInclude(PersistableEntity bean, String... includeFields) Get a bean that only the specified fields is included
<T extends PersistableEntity> List<T>	query(Query<T> query) Query entities
<T extends PersistableEntity> T	queryOne(Query<T> query) Returns only one entity
long	save(PersistableEntity bean) Save a bean
long	save(PersistableEntity bean, boolean isAutoIncrementId) Save a bean
long	saveOrUpdate(PersistableEntity bean) Save or update a bean
long	saveOrUpdate(PersistableEntity bean, boolean isAutoIncrementId) Save or update bean
int	update(PersistableEntity bean) Update a bean.
int	update(PersistableEntity bean, Query<? extends PersistableEntity> query) Update beans with query

Method Detail

query

<T extends PersistableEntity> List<T> query(Query<T> query)

Query entities

Type Parameters:

T -

Parameters:

query -

Returns:

queryOne

<T extends PersistableEntity> T queryOne(Query<T> query)

Returns only one entity

Type Parameters:

T -

Parameters:

query -

Returns:

update

int update(PersistableEntity bean)

Update a bean. All of Non-Null fields will be updated

Parameters:

bean -

Returns:

update

int update(PersistableEntity bean,
           Query<? extends PersistableEntity> query)

Update beans with query

Parameters:

bean -

query -

Returns:

save

long save(PersistableEntity bean,
          boolean isAutoIncrementId)

Save a bean

Parameters:

bean -

isAutoIncrementId - true if used an auto-increment id

Returns:

save

long save(PersistableEntity bean)

Save a bean

Parameters:

bean -

Returns:

saveOrUpdate

long saveOrUpdate(PersistableEntity bean)

Save or update a bean

Parameters:

bean -

Returns:

saveOrUpdate

long saveOrUpdate(PersistableEntity bean,
                  boolean isAutoIncrementId)

Save or update bean

Parameters:

bean -

isAutoIncrementId -

Returns:

delete

int delete(PersistableEntity bean)

Delete a bean

Parameters:

bean -

Returns:

delete

int delete(Query<? extends PersistableEntity> query)

Delete beans with a query

Parameters:

query -

Returns:

getExclude

<T extends PersistableEntity> T getExclude(PersistableEntity bean,
                                           String... excludeFields)

Get a bean that the specified fields is excluded

Type Parameters:

T -

Parameters:

bean -

excludeFields -

Returns:

getInclude

<T extends PersistableEntity> T getInclude(PersistableEntity bean,
                                           String... includeFields)

Get a bean that only the specified fields is included

Type Parameters:

T -

Parameters:

bean -

includeFields -

Returns:

getExclude

<T extends PersistableEntity> T getExclude(PersistableEntity bean,
                                           boolean forUpdate,
                                           String... excludeFields)

Get a bean that the specified fields is excluded

Type Parameters:

T -

Parameters:

bean -

forUpdate - pessimistic lock

excludeFields -

Returns:

getInclude

<T extends PersistableEntity> T getInclude(PersistableEntity bean,
                                           boolean forUpdate,
                                           String... includeFields)

Get a bean that only the specified fields is included

Type Parameters:

T -

Parameters:

bean -

forUpdate - pessimistic lock

includeFields -

Returns:

count

long count(Query<?> query)

Count rows

Parameters:

query -

Returns: