CollectionKey (Hibernate Javadocs)

java.lang.Object
- org.hibernate.engine.spi.CollectionKey

All Implemented Interfaces:

Serializable
```
public final class CollectionKey
extends Object
implements Serializable
```
Uniquely identifies a collection instance in a particular session.

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor Description

CollectionKey(CollectionPersister persister, Object key)

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static CollectionKey`	`deserialize(ObjectInputStream ois, SessionImplementor session)`	Custom deserialization routine used during deserialization of a Session/PersistenceContext for increased performance.
`boolean`	`equals(@Nullable Object other)`
`Object`	`getKey()`
`String`	`getRole()`
`int`	`hashCode()`
`void`	`serialize(ObjectOutputStream oos)`	Custom serialization routine used during serialization of a Session/PersistenceContext for increased performance.
`String`	`toString()`

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

Constructor Detail

CollectionKey

public CollectionKey(CollectionPersister persister,
                     Object key)

Method Detail
- getRole
```
public String getRole()
```
- getKey
```
public Object getKey()
```
- toString
```
public String toString()
```
  Overrides:
  
  toString in class Object
- equals
```
public boolean equals(@Nullable Object other)
```
  Overrides:
  
  equals in class Object
- hashCode
```
public int hashCode()
```
  Overrides:
  
  hashCode in class Object
- serialize
```
public void serialize(ObjectOutputStream oos)
               throws 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:
  
  IOException
- deserialize
```
public static CollectionKey deserialize(ObjectInputStream ois,
                                        SessionImplementor session)
                                 throws IOException,
                                        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 CollectionKey
  
  Throws:
  
  IOException
  
  ClassNotFoundException