AbstractBusinessService (business-api 5.4.1 API)

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

Type Parameters:

T - the type of the domain object

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

REPOSITORY - 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,REPOSITORY extends de.alpharogroup.db.repository.api.GenericRepository<T,PK>>
extends Object
implements BusinessService<T,PK>
```
The abstract 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.
`javax.persistence.Query`	`getQuery(String s)` Gets the `Query` from the given string.
`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.

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
  - getQuery
```
public javax.persistence.Query getQuery(String s)
```
    Gets the Query from the given string.
    
    Parameters:
    
    s - the query as string
    
    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 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
  - 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
  - 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.

Class AbstractBusinessService<T extends de.alpharogroup.db.entity.BaseEntity<PK>,PK extends Serializable,REPOSITORY extends de.alpharogroup.db.repository.api.GenericRepository<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

getQuery

load

merge

merge

refresh

save

save

saveOrUpdate

saveOrUpdate