Package org.springframework.data.redis.core

Class RedisKeyExpiredEvent<T>

java.lang.Object

java.util.EventObject

org.springframework.context.ApplicationEvent

org.springframework.data.redis.core.RedisKeyspaceEvent

org.springframework.data.redis.core.RedisKeyExpiredEvent<T>

All Implemented Interfaces:

Serializable

public class RedisKeyExpiredEvent<T>
extends RedisKeyspaceEvent

RedisKeyExpiredEvent is a Redis specific ApplicationEvent published when a particular key in Redis expires. It can hold the value of the expired key next to the key, but is not required to do so.

Since:

1.7

Author:

Christoph Strobl, Mark Paluch

See Also:

• Serialized Form

Field Summary

Fields inherited from class java.util.EventObject

source

Constructor Summary

Constructors

Constructor	Description
RedisKeyExpiredEvent(byte[] key)	Creates new RedisKeyExpiredEvent.
RedisKeyExpiredEvent(byte[] key, Object value)	Creates new RedisKeyExpiredEvent
RedisKeyExpiredEvent(String channel, byte[] key, Object value)	Creates new RedisKeyExpiredEvent

Method Summary

Modifier and Type	Method	Description
byte[]	getId()	Get the expired objects id.
String	getKeyspace()	Gets the keyspace in which the expiration occured.
Object	getValue()	Get the expired Object
String	toString()

Methods inherited from class org.springframework.data.redis.core.RedisKeyspaceEvent

getChannel, getSource

Methods inherited from class org.springframework.context.ApplicationEvent

getTimestamp

Methods inherited from class java.lang.Object

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

Constructor Details

RedisKeyExpiredEvent

public RedisKeyExpiredEvent(byte[] key)

Creates new RedisKeyExpiredEvent.

Parameters:

key - the expired key.

RedisKeyExpiredEvent

public RedisKeyExpiredEvent(byte[] key,
 @Nullable
 Object value)

Creates new RedisKeyExpiredEvent

Parameters:

key - the expired key.

value - the value of the expired key. Can be null.

RedisKeyExpiredEvent

public RedisKeyExpiredEvent(@Nullable
 String channel,
 byte[] key,
 @Nullable
 Object value)

Creates new RedisKeyExpiredEvent

Parameters:

channel - the Pub/Sub channel through which this event was received.

key - the expired key.

value - the value of the expired key. Can be null.

Since:

1.8

Method Details

getKeyspace

public String getKeyspace()

Gets the keyspace in which the expiration occured.

Returns:

null if it could not be determined.

getId

public byte[] getId()

Get the expired objects id.

Returns:

the expired objects id.

getValue

@Nullable
public Object getValue()

Get the expired Object

Returns:

null if not present.

toString

public String toString()

Overrides:

toString in class EventObject