org.springframework.data.redis.core

Class DefaultClusterOperations<K,V>

java.lang.Object

org.springframework.data.redis.core.DefaultClusterOperations<K,V>

Type Parameters:

K -

V -

All Implemented Interfaces:

ClusterOperations<K,V>

public class DefaultClusterOperations<K,V>
extends Object
implements ClusterOperations<K,V>

Default ClusterOperations implementation.

Since:

1.7

Author:

Christoph Strobl

Constructor Summary

Constructors

Constructor and Description
DefaultClusterOperations(RedisTemplate<K,V> template) Creates new DefaultClusterOperations delegating to the given RedisTemplate.

Method Summary

Modifier and Type	Method and Description
void	addSlots(RedisClusterNode node, int... slots) Add slots to given node;
void	addSlots(RedisClusterNode node, RedisClusterNode.SlotRange range) Add slots in RedisClusterNode.SlotRange to given node.
void	bgReWriteAof(RedisClusterNode node) Start an Append Only File rewrite process on given node.
void	bgSave(RedisClusterNode node) Start background saving of db on given node.
<T> T	execute(RedisClusterCallback<T> callback) Executed wrapped command upon RedisClusterConnection.
void	flushDb(RedisClusterNode node) Flush db on node.
void	forget(RedisClusterNode node) Remove the node from the cluster.
RedisOperations<K,V>	getOperations()
Collection<RedisClusterNode>	getSlaves(RedisClusterNode node)
Set<K>	keys(RedisClusterNode node, K pattern) Get all keys located at given node.
void	meet(RedisClusterNode node) Add the node to cluster.
String	ping(RedisClusterNode node) Ping the given node;
K	randomKey(RedisClusterNode node) Get a random key from the range served by the given node.
void	reshard(RedisClusterNode source, int slot, RedisClusterNode target) Move slot assignment from one source to target node and copy keys associated with the slot.
void	save(RedisClusterNode node) Synchronous save current db snapshot on server.
void	shutdown(RedisClusterNode node) Shutdown given node.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultClusterOperations

public DefaultClusterOperations(RedisTemplate<K,V> template)

Creates new DefaultClusterOperations delegating to the given RedisTemplate.

Parameters:

template - must not be null.

Method Detail

keys

public Set<K> keys(RedisClusterNode node,
                   K pattern)

Description copied from interface: ClusterOperations

Get all keys located at given node.

Specified by:

keys in interface ClusterOperations<K,V>

Parameters:

node - must not be null.

Returns:

never null.

See Also:

RedisKeyCommands.keys(byte[])

randomKey

public K randomKey(RedisClusterNode node)

Description copied from interface: ClusterOperations

Get a random key from the range served by the given node.

Specified by:

randomKey in interface ClusterOperations<K,V>

Parameters:

node - must not be null.

Returns:

See Also:

RedisKeyCommands.randomKey()

ping

public String ping(RedisClusterNode node)

Description copied from interface: ClusterOperations

Ping the given node;

Specified by:

ping in interface ClusterOperations<K,V>

Parameters:

node - must not be null.

Returns:

See Also:

RedisConnectionCommands.ping()

addSlots

public void addSlots(RedisClusterNode node,
                     int... slots)

Description copied from interface: ClusterOperations

Add slots to given node;

Specified by:

addSlots in interface ClusterOperations<K,V>

Parameters:

node - must not be null.

slots - must not be null.

addSlots

public void addSlots(RedisClusterNode node,
                     RedisClusterNode.SlotRange range)

Description copied from interface: ClusterOperations

Add slots in RedisClusterNode.SlotRange to given node.

Specified by:

addSlots in interface ClusterOperations<K,V>

Parameters:

node - must not be null.

range - must not be null.

bgReWriteAof

public void bgReWriteAof(RedisClusterNode node)

Description copied from interface: ClusterOperations

Start an Append Only File rewrite process on given node.

Specified by:

bgReWriteAof in interface ClusterOperations<K,V>

Parameters:

node - must not be null.

See Also:

RedisServerCommands.bgReWriteAof()

bgSave

public void bgSave(RedisClusterNode node)

Description copied from interface: ClusterOperations

Start background saving of db on given node.

Specified by:

bgSave in interface ClusterOperations<K,V>

Parameters:

node - must not be null.

See Also:

RedisServerCommands.bgSave()

meet

public void meet(RedisClusterNode node)

Description copied from interface: ClusterOperations

Add the node to cluster.

Specified by:

meet in interface ClusterOperations<K,V>

Parameters:

node - must not be null.

forget

public void forget(RedisClusterNode node)

Description copied from interface: ClusterOperations

Remove the node from the cluster.

Specified by:

forget in interface ClusterOperations<K,V>

Parameters:

node - must not be null.

flushDb

public void flushDb(RedisClusterNode node)

Description copied from interface: ClusterOperations

Flush db on node.

Specified by:

flushDb in interface ClusterOperations<K,V>

Parameters:

node - must not be null.

See Also:

RedisServerCommands.flushDb()

getSlaves

public Collection<RedisClusterNode> getSlaves(RedisClusterNode node)

Specified by:

getSlaves in interface ClusterOperations<K,V>

Parameters:

node - must not be null.

Returns:

save

public void save(RedisClusterNode node)

Description copied from interface: ClusterOperations

Synchronous save current db snapshot on server.

Specified by:

save in interface ClusterOperations<K,V>

Parameters:

node - must not be null.

See Also:

RedisServerCommands.save()

shutdown

public void shutdown(RedisClusterNode node)

Description copied from interface: ClusterOperations

Shutdown given node.

Specified by:

shutdown in interface ClusterOperations<K,V>

Parameters:

node - must not be null.

See Also:

RedisServerCommands.shutdown()

reshard

public void reshard(RedisClusterNode source,
                    int slot,
                    RedisClusterNode target)

Description copied from interface: ClusterOperations

Move slot assignment from one source to target node and copy keys associated with the slot.

Specified by:

reshard in interface ClusterOperations<K,V>

Parameters:

source - must not be null.

target - must not be null.

execute

public <T> T execute(RedisClusterCallback<T> callback)

Executed wrapped command upon RedisClusterConnection.

Parameters:

callback -

Returns:

getOperations

public RedisOperations<K,V> getOperations()