Package org.mycore.backend.jpa

Class MCRObjectIDPK

java.lang.Object

org.mycore.backend.jpa.MCRObjectIDPK

All Implemented Interfaces:

Serializable

public class MCRObjectIDPK
extends Object
implements Serializable

Use this wrapper if you want a MCRObjectID as a primary key with name id in your JPA mapping.

 @Entity
 @IdClass(MCRObjectIDPK.class)
 public class EntityClass {

     private MCRObjectID id;

     […]

     @Id
     public MCRObjectID getId() {
         return id;
     }

     public void setId(MCRObjectID id) {
         this.id = id;
     }

     […]

 }
 

See Also:

• MCRObjectInfoEntity
• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
MCRObjectID	id

Constructor Summary

Constructors

Constructor	Description
MCRObjectIDPK()
MCRObjectIDPK(MCRObjectID id)	Use this constructor for quick queries.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
int	hashCode()

Methods inherited from class java.lang.Object

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

Field Details

id

public MCRObjectID id

Constructor Details

MCRObjectIDPK

public MCRObjectIDPK(MCRObjectID id)

Use this constructor for quick queries. Sample-Code:

     EntityManager em = […];
     em.find(EntityClass.class, new MCRObjectIDPK(MCRObjectID.getInstance('mir_mods_00004711')));
 

See Also:

• EntityManager.find(Class, Object)

MCRObjectIDPK

public MCRObjectIDPK()

Method Details

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object