AbstractRepository (data-api 3.35.1 API)

java.lang.Object
- de.alpharogroup.db.repository.AbstractRepository<T,PK>

Type Parameters:

T - the type of the entity object

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

All Implemented Interfaces:

GenericRepository<T,PK>, Serializable
```
public abstract class AbstractRepository<T extends BaseEntity<PK>,PK extends Serializable>
extends Object
implements GenericRepository<T,PK>
```
The class AbstractRepository provides methods for database operations like insert, delete, update and selections.

Author:

Asterios Raptis

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor and Description

AbstractRepository()

Constructors
Constructor and Description
`AbstractRepository()`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`create(T entity)` Persists the given entity.
`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 entity)` 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 all persistent objects.
`T`	`get(PK id)` Retrieve a persisted object with a given id from the database.
`Query`	`getQuery(String hqlQuery)` Gets a `Query` from the given hql 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 object)` Persist the given object into database.
`void`	`saveOrUpdate(List<T> objects)` Save or update all transient objects in the given list.
`void`	`saveOrUpdate(T object)` Save or update the given persistent object.
`void`	`update(List<T> objects)` Update all transient objects in the given list.
`void`	`update(T entity)` Update changes made to the given object.

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

Methods inherited from interface de.alpharogroup.db.repository.GenericRepository
getEntityManager, getType, setEntityManager

- Constructor Detail
  - AbstractRepository
```
public AbstractRepository()
```
- Method Detail
  - create
```
public void create(T entity)
```
    Persists the given entity.
    
    Specified by:
    
    create in interface GenericRepository<T extends BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    entity - the entity
  - delete
```
public void delete(List<T> objects)
```
    Delete all persistent objects in the given list.
    
    Specified by:
    
    delete in interface GenericRepository<T extends BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    objects - the list with the persistent objects to delete
  - delete
```
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 GenericRepository<T extends BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    id - the id
  - delete
```
public void delete(T entity)
```
    Deletes the given object from persistent storage in the database.
    
    Specified by:
    
    delete in interface GenericRepository<T extends BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    entity - the persistent object
  - evict
```
public void evict(T object)
```
    Remove this instance from the session cache.
    
    Specified by:
    
    evict in interface GenericRepository<T extends 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 GenericRepository<T extends 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 all persistent objects.
    
    Specified by:
    
    findAll in interface GenericRepository<T extends BaseEntity<PK>,PK extends Serializable>
    
    Returns:
    
    list of all persistent objects
  - get
```
public T get(PK id)
```
    Retrieve a persisted object with a given id from the database.
    
    Specified by:
    
    get in interface GenericRepository<T extends BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    id - the id
    
    Returns:
    
    An object of type T
  - getQuery
```
public Query getQuery(String hqlQuery)
```
    Gets a Query from the given hql query.
    
    Specified by:
    
    getQuery in interface GenericRepository<T extends BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    hqlQuery - the hql query
    
    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 GenericRepository<T extends BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    id - the id
    
    Returns:
    
    An object of type T
  - merge
```
public List<T> merge(List<T> objects)
```
    Merges all new objects in the given list.
    
    Specified by:
    
    merge in interface GenericRepository<T extends BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    objects - the list to save
    
    Returns:
    
    the list with the ids of the merged objects
  - merge
```
public T merge(T object)
```
    Merges the given object. @see Hibernate documentation.
    
    Specified by:
    
    merge in interface GenericRepository<T extends BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    object - the object
    
    Returns:
    
    the object
  - refresh
```
public void refresh(T object)
```
    Description copied from interface: GenericRepository
    
    Re-read the state of the given instance from the underlying database.
    
    Specified by:
    
    refresh in interface GenericRepository<T extends BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    object - the object to re-read.
  - save
```
public List<PK> save(List<T> objects)
```
    Save all new objects in the given list.
    
    Specified by:
    
    save in interface GenericRepository<T extends BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    objects - the list to save
    
    Returns:
    
    the list with the ids of the saved objects
  - save
```
public PK save(T object)
```
    Persist the given object into database.
    
    Specified by:
    
    save in interface GenericRepository<T extends BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    object - the new instance to save.
    
    Returns:
    
    the id of the saved object
  - saveOrUpdate
```
public void saveOrUpdate(List<T> objects)
```
    Save or update all transient objects in the given list.
    
    Specified by:
    
    saveOrUpdate in interface GenericRepository<T extends BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    objects - the transient objects
  - saveOrUpdate
```
public void saveOrUpdate(T object)
```
    Save or update the given persistent object.
    
    Specified by:
    
    saveOrUpdate in interface GenericRepository<T extends BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    object - the transient object to save or update.
  - update
```
public void update(List<T> objects)
```
    Update all transient objects in the given list.
    
    Specified by:
    
    update in interface GenericRepository<T extends BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    objects - the transient objects to update.
  - update
```
public void update(T entity)
```
    Update changes made to the given object.
    
    Specified by:
    
    update in interface GenericRepository<T extends BaseEntity<PK>,PK extends Serializable>
    
    Parameters:
    
    entity - the transient object to update.

Class AbstractRepository<T extends BaseEntity<PK>,PK extends Serializable>

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface de.alpharogroup.db.repository.GenericRepository

Constructor Detail

AbstractRepository

Method Detail

create

delete

delete

delete

evict

exists

findAll

get

getQuery

load

merge

merge

refresh

save

save

saveOrUpdate

saveOrUpdate

update

update