Package NTNU.IDATT1002.repository

Class TagRepository

java.lang.Object

NTNU.IDATT1002.repository.AbstractRepository<Tag,java.lang.Long>

NTNU.IDATT1002.repository.TagRepository

All Implemented Interfaces:

Repository<Tag,java.lang.Long>

public class TagRepository
extends AbstractRepository<Tag,java.lang.Long>

Tag Repository. Implementation of AbstractRepository which supports regular Create, Read, Update and Delete operations.

Version:

1.0 21.03.20

See Also:

AbstractRepository

Field Summary

Fields

Modifier and Type	Field	Description
static java.lang.String	FIND_TAG_BY_NAME	Mapping to @NamedQuery 'find all albums by users username' defined in Image

Fields inherited from class NTNU.IDATT1002.repository.AbstractRepository

entityClass, entityManager, logger

Constructor Summary

Constructors

Constructor	Description
TagRepository(javax.persistence.EntityManager entityManager)	Set the class type to Tag

Method Summary

Modifier and Type	Method	Description
Tag	findOrCreate(Tag tag)	Retrieves a tag if found and creates it if not.

Methods inherited from class NTNU.IDATT1002.repository.AbstractRepository

delete, deleteById, findAll, findById, save, setEntityClass, update

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

FIND_TAG_BY_NAME

public static final java.lang.String FIND_TAG_BY_NAME

Mapping to @NamedQuery 'find all albums by users username' defined in Image

See Also:

Constant Field Values

Constructor Details

TagRepository

public TagRepository(javax.persistence.EntityManager entityManager)

Set the class type to Tag

Method Details

findOrCreate

public Tag findOrCreate(Tag tag)

Retrieves a tag if found and creates it if not. Does not allow null value or blank names.

Parameters:

tag - the tag to retrieve

Returns:

the tag if found, else the newly created one.