org.hibernate.engine.spi

Class EntityUniqueKey

java.lang.Object

org.hibernate.engine.spi.EntityUniqueKey

All Implemented Interfaces:

java.io.Serializable

public class EntityUniqueKey
extends java.lang.Object
implements java.io.Serializable

Used to uniquely key an entity instance in relation to a particular session by some unique property reference, as opposed to identifier.

Uniqueing information consists of the entity-name, the referenced property name, and the referenced property value.

See Also:

EntityKey, Serialized Form

Constructor Summary

Constructors

Constructor and Description
EntityUniqueKey(java.lang.String entityName, java.lang.String uniqueKeyName, java.lang.Object semiResolvedKey, Type keyType, EntityMode entityMode, SessionFactoryImplementor factory)

Method Summary

Modifier and Type	Method and Description
static EntityUniqueKey	deserialize(java.io.ObjectInputStream ois, SessionImplementor session) Custom deserialization routine used during deserialization of a Session/PersistenceContext for increased performance.
boolean	equals(java.lang.Object other)
int	generateHashCode(SessionFactoryImplementor factory)
java.lang.String	getEntityName()
java.lang.Object	getKey()
java.lang.String	getUniqueKeyName()
int	hashCode()
void	serialize(java.io.ObjectOutputStream oos) Custom serialization routine used during serialization of a Session/PersistenceContext for increased performance.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

EntityUniqueKey

public EntityUniqueKey(java.lang.String entityName,
                       java.lang.String uniqueKeyName,
                       java.lang.Object semiResolvedKey,
                       Type keyType,
                       EntityMode entityMode,
                       SessionFactoryImplementor factory)

Method Detail

getEntityName

public java.lang.String getEntityName()

getKey

public java.lang.Object getKey()

getUniqueKeyName

public java.lang.String getUniqueKeyName()

generateHashCode

public int generateHashCode(SessionFactoryImplementor factory)

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object other)

Overrides:

equals in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

serialize

public void serialize(java.io.ObjectOutputStream oos)
               throws java.io.IOException

Custom serialization routine used during serialization of a Session/PersistenceContext for increased performance.

Parameters:

oos - The stream to which we should write the serial data.

Throws:

java.io.IOException

deserialize

public static EntityUniqueKey deserialize(java.io.ObjectInputStream ois,
                                          SessionImplementor session)
                                   throws java.io.IOException,
                                          java.lang.ClassNotFoundException

Custom deserialization routine used during deserialization of a Session/PersistenceContext for increased performance.

Parameters:

ois - The stream from which to read the entry.

session - The session being deserialized.

Returns:

The deserialized EntityEntry

Throws:

java.io.IOException

java.lang.ClassNotFoundException