alluxio.wire

Enum CommandType

java.lang.Object

java.lang.Enum<CommandType>

alluxio.wire.CommandType

All Implemented Interfaces:

Serializable, Comparable<CommandType>

@PublicApi
 @ThreadSafe
public enum CommandType
extends Enum<CommandType>

Types for file system commands.

Enum Constant Summary

Enum Constants

Enum Constant and Description
Delete Ask worker to delete files.
Free Ask worker to free files.
Nothing No op command.
Persist Ask worker to persist a file.
Register Ask worker to re-register.
Unknown Unknown command.

Method Summary

Modifier and Type	Method and Description
int	getValue()
static CommandType	valueOf(String name) Returns the enum constant of this type with the specified name.
static CommandType[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

Unknown

public static final CommandType Unknown

Unknown command.

Nothing

public static final CommandType Nothing

No op command.

Register

public static final CommandType Register

Ask worker to re-register.

Free

public static final CommandType Free

Ask worker to free files.

Delete

public static final CommandType Delete

Ask worker to delete files.

Persist

public static final CommandType Persist

Ask worker to persist a file.

Method Detail

values

public static CommandType[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (CommandType c : CommandType.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static CommandType valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (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 type has no constant with the specified name

NullPointerException - if the argument is null

getValue

public int getValue()

Returns:

the integer value of CommandType