com.lambdaworks.redis.protocol

Class CommandWrapper<K,V,T>

java.lang.Object

com.lambdaworks.redis.protocol.CommandWrapper<K,V,T>

All Implemented Interfaces:

CompleteableCommand<T>, DecoratedCommand<K,V,T>, RedisCommand<K,V,T>

public class CommandWrapper<K,V,T>
extends Object
implements RedisCommand<K,V,T>, CompleteableCommand<T>, DecoratedCommand<K,V,T>

Wrapper for a command.

Author:

Mark Paluch

Field Summary

Fields

Modifier and Type	Field and Description
protected RedisCommand<K,V,T>	command

Constructor Summary

Constructors

Constructor and Description
CommandWrapper(RedisCommand<K,V,T> command)

Method Summary

Modifier and Type	Method and Description
void	cancel() Cancel a command.
void	complete() Complete a command.
boolean	completeExceptionally(Throwable throwable)
void	encode(ByteBuf buf) Encode the command.
CommandArgs<K,V>	getArgs()
RedisCommand<K,V,T>	getDelegate() The underlying command.
CommandOutput<K,V,T>	getOutput() The command output.
ProtocolKeyword	getType()
boolean	isCancelled()
boolean	isDone()
void	onComplete(java.util.function.Consumer<? super T> action)
void	setOutput(CommandOutput<K,V,T> output) Set a new output.
String	toString()
static <K,V,T> RedisCommand<K,V,T>	unwrap(RedisCommand<K,V,T> wrapped) Unwrap a wrapped command.

Methods inherited from class java.lang.Object

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

Field Detail

command

protected RedisCommand<K,V,T> command

Constructor Detail

CommandWrapper

public CommandWrapper(RedisCommand<K,V,T> command)

Method Detail

getOutput

public CommandOutput<K,V,T> getOutput()

Description copied from interface: RedisCommand

The command output. Can be null.

Specified by:

getOutput in interface RedisCommand<K,V,T>

Returns:

the command output.

complete

public void complete()

Description copied from interface: RedisCommand

Complete a command.

Specified by:

complete in interface RedisCommand<K,V,T>

cancel

public void cancel()

Description copied from interface: RedisCommand

Cancel a command.

Specified by:

cancel in interface RedisCommand<K,V,T>

getArgs

public CommandArgs<K,V> getArgs()

Specified by:

getArgs in interface RedisCommand<K,V,T>

Returns:

the current command args

completeExceptionally

public boolean completeExceptionally(Throwable throwable)

Specified by:

completeExceptionally in interface RedisCommand<K,V,T>

Parameters:

throwable - the exception

Returns:

true if this invocation caused this CompletableFuture to transition to a completed state, else false

getType

public ProtocolKeyword getType()

Specified by:

getType in interface RedisCommand<K,V,T>

Returns:

the redis command type like SADD, HMSET, QUIT.

encode

public void encode(ByteBuf buf)

Description copied from interface: RedisCommand

Encode the command.

Specified by:

encode in interface RedisCommand<K,V,T>

Parameters:

buf - byte buffer to operate on.

isCancelled

public boolean isCancelled()

Specified by:

isCancelled in interface RedisCommand<K,V,T>

Returns:

true if the command is cancelled.

setOutput

public void setOutput(CommandOutput<K,V,T> output)

Description copied from interface: RedisCommand

Set a new output. Only possible as long as the command is not completed/cancelled.

Specified by:

setOutput in interface RedisCommand<K,V,T>

Parameters:

output - the new command output

onComplete

public void onComplete(java.util.function.Consumer<? super T> action)

Specified by:

onComplete in interface CompleteableCommand<T>

toString

public String toString()

Overrides:

toString in class Object

isDone

public boolean isDone()

Specified by:

isDone in interface RedisCommand<K,V,T>

Returns:

true if the command is completed.

getDelegate

public RedisCommand<K,V,T> getDelegate()

Description copied from interface: DecoratedCommand

The underlying command.

Specified by:

getDelegate in interface DecoratedCommand<K,V,T>

Returns:

never null.

unwrap

public static <K,V,T> RedisCommand<K,V,T> unwrap(RedisCommand<K,V,T> wrapped)

Unwrap a wrapped command.

Type Parameters:

K -

V -

T -

Parameters:

wrapped -

Returns: