Package org.apache.flink.queryablestate.network.messages

Enum MessageType

java.lang.Object

java.lang.Enum<MessageType>

org.apache.flink.queryablestate.network.messages.MessageType

All Implemented Interfaces:

Serializable, Comparable<MessageType>

@Internal
public enum MessageType
extends Enum<MessageType>

Expected message types during the communication between client and server.

Enum Constant Summary

Enum Constants

Enum Constant	Description
REQUEST	The message is a request.
REQUEST_FAILURE	The message indicates a protocol-related failure.
REQUEST_RESULT	The message is a successful response.
SERVER_FAILURE	The message indicates a server failure.

Method Summary

Modifier and Type	Method	Description
static MessageType	valueOf(String name)	Returns the enum constant of this type with the specified name.
static MessageType[]	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

REQUEST

public static final MessageType REQUEST

The message is a request.

REQUEST_RESULT

public static final MessageType REQUEST_RESULT

The message is a successful response.

REQUEST_FAILURE

public static final MessageType REQUEST_FAILURE

The message indicates a protocol-related failure.

SERVER_FAILURE

public static final MessageType SERVER_FAILURE

The message indicates a server failure.

Method Detail

values

public static MessageType[] 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 (MessageType c : MessageType.values())
    System.out.println(c);

Returns:

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

valueOf

public static MessageType 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