AbstractBusinessService (business-api 3.8.0 API)

java.lang.Object
- de.alpharogroup.db.service.jpa.AbstractBusinessService<T,PK,DAO>

Type Parameters:

T - the type of the domain object

PK - the type of the primary key from the domain object

DAO - the type of the data access object.

All Implemented Interfaces:

BusinessService<T,PK>, Serializable
```
public abstract class AbstractBusinessService<T extends de.alpharogroup.db.entity.BaseEntity<PK>,PK extends Serializable,DAO extends de.alpharogroup.db.dao.jpa.EntityManagerDao<T,PK>>
extends Object
implements BusinessService<T,PK>
```
The Class AbstractBusinessService.

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor and Description

AbstractBusinessService()

Constructors
Constructor and Description
`AbstractBusinessService()`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`delete(List<T> objects)` Delete all persistent objects in the given list.
`void`	`delete(PK id)` Deletes an object of a given Id.
`void`	`delete(T id)` Deletes the given object from persistent storage in the database.
`void`	`evict(T object)` Remove this instance from the session cache.
`boolean`	`exists(PK id)` Checks if an entry exists with the given id.
`List<T>`	`findAll()` Returns a list of objects.
`T`	`get(PK id)` Retrieve a persisted object with a given id from the database.
`DAO`	`getDao()` Gets the dao reference.
`Query`	`getQuery(String s)` Gets the query.
`T`	`load(PK id)` Retrieve a persisted object with a given id from the database.
`List<T>`	`merge(List<T> objects)` Merges all new objects in the given list.
`T`	`merge(T object)` Merges the given object.
`void`	`refresh(T object)` Re-read the state of the given instance from the underlying database.
`List<PK>`	`save(List<T> objects)` Save all new objects in the given list.
`PK`	`save(T newInstance)` Persist the given object into database.
`void`	`saveOrUpdate(List<T> objects)` Save or update all given objects into database.
`void`	`saveOrUpdate(T object)` Save or update the given object into database.
`void`	`setDao(DAO dao)` Sets the dao reference.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - AbstractBusinessService
```
public AbstractBusinessService()
```
- Method Detail
  - delete
```
@Transactional
public void delete(List<T> objects)
```
    Delete all persistent objects in the given list.
    
    Specified by:
    
    delete in interface BusinessService<T extends de.alpharogroup.db.entity.BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    objects - the list with the persistent objects to delete
  - delete
```
@Transactional
public void delete(PK id)
```
    Deletes an object of a given Id. Will load the object internally so consider using delete (T obj) directly
    
    Specified by:
    
    delete in interface BusinessService<T extends de.alpharogroup.db.entity.BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    id - the id
  - delete
```
@Transactional
public void delete(T id)
```
    Deletes the given object from persistent storage in the database.
    
    Specified by:
    
    delete in interface BusinessService<T extends de.alpharogroup.db.entity.BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    id - the persistent object
  - evict
```
public void evict(T object)
```
    Remove this instance from the session cache.
    
    Specified by:
    
    evict in interface BusinessService<T extends de.alpharogroup.db.entity.BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    object - the object to evict.
  - exists
```
public boolean exists(PK id)
```
    Checks if an entry exists with the given id.
    
    Specified by:
    
    exists in interface BusinessService<T extends de.alpharogroup.db.entity.BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    id - the id to check
    
    Returns:
    
    true, if an entry exists with the given id, otherwise false.
  - findAll
```
public List<T> findAll()
```
    Returns a list of objects.
    
    Specified by:
    
    findAll in interface BusinessService<T extends de.alpharogroup.db.entity.BaseEntity<PK>,PK extends Serializable>
    
    Returns:
    
    list of objects
  - get
```
public T get(PK id)
```
    Retrieve a persisted object with a given id from the database.
    
    Specified by:
    
    get in interface BusinessService<T extends de.alpharogroup.db.entity.BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    id - the id
    
    Returns:
    
    An object of type T
  - getDao
```
public DAO getDao()
```
    Gets the dao reference.
    
    Returns:
    
    the dao reference.
  - getQuery
```
public Query getQuery(String s)
```
    Gets the query.
    
    Parameters:
    
    s - the s
    
    Returns:
    
    the query
  - load
```
public T load(PK id)
```
    Retrieve a persisted object with a given id from the database.
    
    Specified by:
    
    load in interface BusinessService<T extends de.alpharogroup.db.entity.BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    id - the id
    
    Returns:
    
    An object of type T
  - merge
```
@Transactional
public T merge(T object)
```
    Merges the given object. @see Hibernate documentation.
    
    Specified by:
    
    merge in interface BusinessService<T extends de.alpharogroup.db.entity.BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    object - the object
    
    Returns:
    
    the object
  - refresh
```
@Transactional
public void refresh(T object)
```
    Re-read the state of the given instance from the underlying database.
    
    Specified by:
    
    refresh in interface BusinessService<T extends de.alpharogroup.db.entity.BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    object - the object to refresh.
  - save
```
@Transactional
public List<PK> save(List<T> objects)
```
    Save all new objects in the given list.
    
    Specified by:
    
    save in interface BusinessService<T extends de.alpharogroup.db.entity.BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    objects - the list to save
    
    Returns:
    
    the list with the ids of the saved objects
  - merge
```
@Transactional
public List<T> merge(List<T> objects)
```
    Merges all new objects in the given list.
    
    Specified by:
    
    merge in interface BusinessService<T extends de.alpharogroup.db.entity.BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    objects - the list to save
    
    Returns:
    
    the list with the ids of the merged objects
  - save
```
@Transactional
public PK save(T newInstance)
```
    Persist the given object into database.
    
    Specified by:
    
    save in interface BusinessService<T extends de.alpharogroup.db.entity.BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    newInstance - the new instance to save.
    
    Returns:
    
    the id of the saved object
  - saveOrUpdate
```
@Transactional
public void saveOrUpdate(List<T> objects)
```
    Save or update all given objects into database.
    
    Specified by:
    
    saveOrUpdate in interface BusinessService<T extends de.alpharogroup.db.entity.BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    objects - the objects to save or update.
  - saveOrUpdate
```
@Transactional
public void saveOrUpdate(T object)
```
    Save or update the given object into database.
    
    Specified by:
    
    saveOrUpdate in interface BusinessService<T extends de.alpharogroup.db.entity.BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    object - the object to save or update.
  - setDao
```
public void setDao(DAO dao)
```
    Sets the dao reference.
    
    Parameters:
    
    dao - the new dao dao reference.

Class AbstractBusinessService<T extends de.alpharogroup.db.entity.BaseEntity<PK>,PK extends Serializable,DAO extends de.alpharogroup.db.dao.jpa.EntityManagerDao<T,PK>>

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

AbstractBusinessService

Method Detail

delete

delete

delete

evict

exists

findAll

get

getDao

getQuery

load

merge

refresh

save

merge

save

saveOrUpdate

saveOrUpdate

setDao