com.lambdaworks.redis.protocol

Interface RedisCommand<K,V,T>

Type Parameters:

K - Key type.

V - Value type.

T - Output type.

All Superinterfaces:

Future<T>, ListenableFuture<T>, RedisFuture<T>

All Known Implementing Classes:

Command

public interface RedisCommand<K,V,T>
extends ListenableFuture<T>, RedisFuture<T>

Since:

3.0

Author:

Mark Paluch

Method Summary

Modifier and Type	Method and Description
void	complete() Complete a command.
void	encode(ByteBuf buf) Encode the command.
CommandArgs<K,V>	getArgs()
CommandOutput<K,V,T>	getOutput() The command output.
ProtocolKeyword	getType()
boolean	setException(Throwable throwable) Subclasses should invoke this method to set the result of the computation to an error, throwable.

Methods inherited from interface com.lambdaworks.redis.RedisFuture

await, getError

Methods inherited from interface com.google.common.util.concurrent.ListenableFuture

addListener

Methods inherited from interface java.util.concurrent.Future

cancel, get, get, isCancelled, isDone

Method Detail

getOutput

CommandOutput<K,V,T> getOutput()

The command output. Can be null.

Returns:

the command output.

complete

void complete()

Complete a command.

getArgs

CommandArgs<K,V> getArgs()

Returns:

the current command args

getType

ProtocolKeyword getType()

Returns:

the redis command type like SADD, HMSET, QUIT.

encode

void encode(ByteBuf buf)

Encode the command.

Parameters:

buf - byte buffer to operate on.

setException

boolean setException(Throwable throwable)

Subclasses should invoke this method to set the result of the computation to an error, throwable. This will set the state of the future to COMPLETED and invoke the listeners if the state was successfully changed.

Parameters:

throwable - the exception that the task failed with.

Returns:

true if the state was successfully changed.