All Implemented Interfaces:
Serializable
, Comparable <RedisCommand >
, Constable
Enumeration
of well-known Redis commands. This enumeration serves as non-exhaustive set of
built-in commands for a typical Redis server.
Since:
1.3
Author:
Christoph Strobl, Thomas Darimont, Ninad Divadkar, Mark Paluch, Oscar Cai, Sébastien Volle, John Blum
Enum Constant Summary
Enum Constants
Method Summary
All Methods Static Methods Instance Methods Concrete Methods
Returns the command represented by the given
key
, otherwise returns
UNKNOWN
if no matching command
could be found.
boolean
boolean
boolean
boolean
boolean
boolean
void
Returns the enum constant of this class with the specified name.
Returns an array containing the constants of this enum class, in
the order they are declared.
Methods inherited from class java.lang.Enum
clone , compareTo , describeConstable , equals , finalize , getDeclaringClass , hashCode , name , ordinal , toString , valueOf
Method Details
values
Returns an array containing the constants of this enum class, in
the order they are declared.
Returns:
an array containing the constants of this enum class, in the order they are declared
valueOf
Returns the enum constant of this class with the specified name.
The string must match exactly an identifier used to declare an
enum constant in this class. (Extraneous whitespace characters are
not permitted.)
Parameters:
name
- the name of the enum constant to be returned.
Returns:
the enum constant with the specified name
Throws:
IllegalArgumentException
- if this enum class has no constant with the specified name
NullPointerException
- if the argument is null
failsafeCommandLookup
Returns the command represented by the given
key
, otherwise returns
UNKNOWN
if no matching command
could be found.
Parameters:
key
- key
to the RedisCommand
to lookup.
Returns:
a matching RedisCommand
for the given key
, otherwise UNKNOWN
.
requiresArguments
public boolean requiresArguments ()
Returns:
true if the command requires arguments
requiresExactNumberOfArguments
public boolean requiresExactNumberOfArguments ()
Returns:
true if an exact number of arguments is expected.
isRead
public boolean isRead ()
Returns:
true if the command triggers a read operation
isWrite
public boolean isWrite ()
Returns:
true if the command triggers a write operation
isReadonly
public boolean isReadonly ()
Returns:
true if values are read but not written
isRepresentedBy
public boolean isRepresentedBy (String command)
Parameters:
command
- String
representation of the Redis command to match.
Returns:
true if a positive match.