All Known Implementing Classes:

BinaryCommandFactory, KestrelCommandFactory, TextCommandFactory
```
public interface CommandFactory
```

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Command`	`createAddCommand(String key, byte[] keyBytes, int exp, Object value, boolean noreply, Transcoder transcoder)`	create a add command
`Command`	`createAppendCommand(String key, byte[] keyBytes, Object value, boolean noreply, Transcoder transcoder)`	create a append command
`Command`	`createAuthListMechanismsCommand(CountDownLatch latch)`	Create a command for listing authentication mechanisms
`Command`	`createAuthStartCommand(String mechanism, CountDownLatch latch, byte[] authData)`	Create command for starting authentication
`Command`	`createAuthStepCommand(String mechanism, CountDownLatch latch, byte[] authData)`	Create a command for stepping authentication
`Command`	`createAWSElasticCacheConfigCommand(String subCommand, String key)`	Create a AWS ElasticCache config command, only supports Cache Engine Version 1.4.14 or Higher.
`Command`	`createCASCommand(String key, byte[] keyBytes, int exp, Object value, long cas, boolean noreply, Transcoder transcoder)`	Create a cas command
`Command`	`createDeleteCommand(String key, byte[] keyBytes, int time, long cas, boolean noreply)`	create a delete command
`Command`	`createFlushAllCommand(CountDownLatch latch, int delay, boolean noreply)`	create a flush_all command
`Command`	`createGetAndTouchCommand(String key, byte[] keyBytes, CountDownLatch latch, int exp, boolean noreply)`	Create a get-and-touch command
`Command`	`createGetCommand(String key, byte[] keyBytes, CommandType cmdType, Transcoder transcoder)`	create a get/gets command
`<T> Command`	`createGetMultiCommand(Collection<String> keys, CountDownLatch latch, CommandType cmdType, Transcoder<T> transcoder)`	Create a multi-get command
`Command`	`createIncrDecrCommand(String key, byte[] keyBytes, long delta, long initial, int expTime, CommandType cmdType, boolean noreply)`	create a incr/decr command
`Command`	`createPrependCommand(String key, byte[] keyBytes, Object value, boolean noreply, Transcoder transcoder)`	Create a prepend command
`Command`	`createQuitCommand()`	create a quit command
`Command`	`createReplaceCommand(String key, byte[] keyBytes, int exp, Object value, boolean noreply, Transcoder transcoder)`	create a replace command
`Command`	`createSetCommand(String key, byte[] keyBytes, int exp, Object value, boolean noreply, Transcoder transcoder)`	Create a set command
`Command`	`createStatsCommand(InetSocketAddress server, CountDownLatch latch, String itemName)`	create a stats command
`Command`	`createTouchCommand(String key, byte[] keyBytes, CountDownLatch latch, int exp, boolean noreply)`	Create a touch command
`Command`	`createVerbosityCommand(CountDownLatch latch, int level, boolean noreply)`	Create a verbosity command
`Command`	`createVersionCommand(CountDownLatch latch, InetSocketAddress server)`	create a version command
`Protocol`	`getProtocol()`	Get this client's protocol version
`void`	`setBufferAllocator(BufferAllocator bufferAllocator)`	set command factory's buffer allocator

Method Detail

setBufferAllocator
```
void setBufferAllocator(BufferAllocator bufferAllocator)
```
set command factory's buffer allocator

Parameters:

bufferAllocator -

Since:

1.2.0

createDeleteCommand

Command createDeleteCommand(String key,
                            byte[] keyBytes,
                            int time,
                            long cas,
                            boolean noreply)

create a delete command

Parameters:: key -; time -
Returns:

createVersionCommand

Command createVersionCommand(CountDownLatch latch,
                             InetSocketAddress server)

create a version command

Returns:

createFlushAllCommand

Command createFlushAllCommand(CountDownLatch latch,
                              int delay,
                              boolean noreply)

create a flush_all command

Returns:

createStatsCommand

Command createStatsCommand(InetSocketAddress server,
                           CountDownLatch latch,
                           String itemName)

create a stats command

Returns:

createGetCommand

Command createGetCommand(String key,
                         byte[] keyBytes,
                         CommandType cmdType,
                         Transcoder transcoder)

create a get/gets command

Parameters:: key -; keyBytes -; cmdType - 命令类型; transcoder - TODO; cmdBytes - 命令的字节数组，如"get".getBytes()
Returns:

createGetMultiCommand

<T> Command createGetMultiCommand(Collection<String> keys,
                                  CountDownLatch latch,
                                  CommandType cmdType,
                                  Transcoder<T> transcoder)

Create a multi-get command

Type Parameters:: T -
Parameters:: keys -; latch -; result -; cmdBytes -; cmdType -; transcoder -
Returns:

createIncrDecrCommand

Command createIncrDecrCommand(String key,
                              byte[] keyBytes,
                              long delta,
                              long initial,
                              int expTime,
                              CommandType cmdType,
                              boolean noreply)

create a incr/decr command

Parameters:: key -; keyBytes -; delta -; initial -; expTime -; cmdType -; noreply -
Returns:

createCASCommand

Command createCASCommand(String key,
                         byte[] keyBytes,
                         int exp,
                         Object value,
                         long cas,
                         boolean noreply,
                         Transcoder transcoder)

Create a cas command

Parameters:: key -; keyBytes -; exp -; value -; cas -; noreply -; transcoder -
Returns:

createSetCommand

Command createSetCommand(String key,
                         byte[] keyBytes,
                         int exp,
                         Object value,
                         boolean noreply,
                         Transcoder transcoder)

Create a set command

Parameters:: key -; keyBytes -; exp -; value -; noreply -; transcoder -
Returns:

createAddCommand

Command createAddCommand(String key,
                         byte[] keyBytes,
                         int exp,
                         Object value,
                         boolean noreply,
                         Transcoder transcoder)

create a add command

Parameters:: key -; keyBytes -; exp -; value -; noreply -; transcoder -
Returns:

createReplaceCommand

Command createReplaceCommand(String key,
                             byte[] keyBytes,
                             int exp,
                             Object value,
                             boolean noreply,
                             Transcoder transcoder)

create a replace command

Parameters:: key -; keyBytes -; exp -; value -; noreply -; transcoder -
Returns:

createAppendCommand

Command createAppendCommand(String key,
                            byte[] keyBytes,
                            Object value,
                            boolean noreply,
                            Transcoder transcoder)

create a append command

Parameters:: key -; keyBytes -; value -; noreply -; transcoder -
Returns:

createPrependCommand

Command createPrependCommand(String key,
                             byte[] keyBytes,
                             Object value,
                             boolean noreply,
                             Transcoder transcoder)

Create a prepend command

Parameters:: key -; keyBytes -; value -; noreply -; transcoder -
Returns:

createVerbosityCommand

Command createVerbosityCommand(CountDownLatch latch,
                               int level,
                               boolean noreply)

Create a verbosity command

Parameters:: latch -; level -; noreply -
Returns:

createAuthListMechanismsCommand
```
Command createAuthListMechanismsCommand(CountDownLatch latch)
```
Create a command for listing authentication mechanisms

Parameters:

latch -

Returns:

createAuthStartCommand

Command createAuthStartCommand(String mechanism,
                               CountDownLatch latch,
                               byte[] authData)

Create command for starting authentication

Parameters:: mechanism -; latch -; authData -
Returns:

createAuthStepCommand

Command createAuthStepCommand(String mechanism,
                              CountDownLatch latch,
                              byte[] authData)

Create a command for stepping authentication

Parameters:: mechanism -; latch -; authData -
Returns:

createQuitCommand
```
Command createQuitCommand()
```
create a quit command

Returns:

createTouchCommand

Command createTouchCommand(String key,
                           byte[] keyBytes,
                           CountDownLatch latch,
                           int exp,
                           boolean noreply)

Create a touch command

Parameters:: key -; keyBytes -; latch - TODO; exp -; noreply -
Returns:
Since:: 1.3.3

createGetAndTouchCommand

Command createGetAndTouchCommand(String key,
                                 byte[] keyBytes,
                                 CountDownLatch latch,
                                 int exp,
                                 boolean noreply)

Create a get-and-touch command

Parameters:: key -; keyBytes -; latch - TODO; exp -; noreply -
Returns:
Since:: 1.3.3

createAWSElasticCacheConfigCommand
```
Command createAWSElasticCacheConfigCommand(String subCommand,
                                           String key)
```
Create a AWS ElasticCache config command, only supports Cache Engine Version 1.4.14 or Higher.

Parameters:

subCommand -

key -

Returns:

See Also:

Adding Auto Discovery To Your Client Library

getProtocol
```
Protocol getProtocol()
```
Get this client's protocol version

Returns:

Interface CommandFactory