GenericDAO (NetarchiveSuite 7.1 API)

Type Parameters:

T - The persistent class.

PK - The class of the primary key used to identify the objects.

All Known Implementing Classes:

ArchiveFileDAO, GenericHibernateDAO
```
public interface GenericDAO<T,PK extends Serializable>
```
A generic class for managing storage and retrieval of persistent objects.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`PK`	`create(T newInstance)`	Persist the newInstance object into database.
`void`	`delete(T persistentObject)`	Remove an object from persistent storage in the database.
`T`	`read(PK id)`	Retrieve an object that was previously persisted to the database using the indicated id as primary key.
`void`	`update(T transientObject)`	Save changes made to a persistent object.

- Method Detail
  - create
```
PK create(T newInstance)
```
    Persist the newInstance object into database.
    
    Parameters:
    
    newInstance - the object to persist.
    
    Returns:
    
    the key assigned to the object.
  - read
```
T read(PK id)
```
    Retrieve an object that was previously persisted to the database using the indicated id as primary key.
    
    Parameters:
    
    id - the key of the object to be retrieved.
    
    Returns:
    
    the retrieved object.
  - update
```
void update(T transientObject)
```
    Save changes made to a persistent object.
    
    Parameters:
    
    transientObject - the object to be updated.
  - delete
```
void delete(T persistentObject)
```
    Remove an object from persistent storage in the database.
    
    Parameters:
    
    persistentObject - the object to be deleted.