Package io.gravitee.gateway.reactive.api

Enum Class ExecutionPhase

java.lang.Object

java.lang.Enum<ExecutionPhase>

io.gravitee.gateway.reactive.api.ExecutionPhase

All Implemented Interfaces:

Serializable, Comparable<ExecutionPhase>, Constable

public enum ExecutionPhase
extends Enum<ExecutionPhase>

An execution phase allows knowing in which phase of the whole request processing a given action occurs. The execution phase is mainly useful during the flow and policy chain executions.

                                          ____________________________________________________
      ______________       request       |                       GATEWAY                      |      request        ______________
     |              |   ------------->   |                                                    |   ------------->   |              |
     |  DOWNSTREAM  |                    |  ----------- REQUEST / ASYNC_REQUEST  -----------> |                    |   UPSTREAM   |
     |   (client)   |   <-------------   |  <---------- RESPONSE / ASYNC_RESPONSE ----------- |   <-------------   |  (endpoint)  |
     |______________|      response      |                                                    |      response      |______________|
                                         |____________________________________________________|
 

Author:

Jeoffrey HAEYAERT (jeoffrey.haeyaert at graviteesource.com), GraviteeSource Team

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
MESSAGE_REQUEST	This phase represents the actions occurring from the downstream to the upstream in an async execution context.
MESSAGE_RESPONSE	This phase represents the actions occurring from the upstream to the downstream in a message execution context.
REQUEST	This phase represents the actions occurring from the downstream to the upstream in a sync execution context.
RESPONSE	This phase represents the actions occurring from the upstream to the downstream in a message execution context.

Method Summary

Modifier and Type	Method	Description
String	toString()
static ExecutionPhase	valueOf(String name)	Returns the enum constant of this class with the specified name.
static ExecutionPhase[]	values()	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, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

REQUEST

public static final ExecutionPhase REQUEST

This phase represents the actions occurring from the downstream to the upstream in a sync execution context.

                                          ______________________________
      ______________                     |            GATEWAY           |                     ______________
     |              |      request       |                              |      request       |              |
     |  DOWNSTREAM  |   ------------->   |  -------- REQUEST ---------> |   ------------->   |   UPSTREAM   |
     |   (client)   |                    |                              |                    |  (endpoint)  |
     |______________|                    |______________________________|                    |______________|

 

For an HTTP request, it represents the policies executed before the endpoint is invoked by the gateway.

MESSAGE_REQUEST

public static final ExecutionPhase MESSAGE_REQUEST

This phase represents the actions occurring from the downstream to the upstream in an async execution context.

                                          ______________________________
      ______________                     |            GATEWAY           |                     ______________
     |              |      request       |                              |      request       |              |
     |  DOWNSTREAM  |   ------------->   |  ----- MESSAGE_REQUEST ----> |   ------------->   |   UPSTREAM   |
     |   (client)   |                    |                              |                    |  (endpoint)  |
     |______________|                    |______________________________|                    |______________|

 

RESPONSE

public static final ExecutionPhase RESPONSE

This phase represents the actions occurring from the upstream to the downstream in a message execution context.

                                          ______________________________
      ______________                     |            GATEWAY           |                     ______________
     |              |      response      |                              |      response      |              |
     |  DOWNSTREAM  |   <-------------   |  <------- RESPONSE --------- |   <-------------   |   UPSTREAM   |
     |   (client)   |                    |                              |                    |  (endpoint)  |
     |______________|                    |______________________________|                    |______________|

 

For an HTTP request, it represents the policies executed after the endpoint has been invoked by the gateway.

MESSAGE_RESPONSE

public static final ExecutionPhase MESSAGE_RESPONSE

This phase represents the actions occurring from the upstream to the downstream in a message execution context.

                                          ______________________________
      ______________                     |            GATEWAY           |                     ______________
     |              |      response      |                              |      response      |              |
     |  DOWNSTREAM  |   <-------------   |  <---- MESSAGE_RESPONSE----- |   <-------------   |   UPSTREAM   |
     |   (client)   |                    |                              |                    |  (endpoint)  |
     |______________|                    |______________________________|                    |______________|

 

Method Details

values

public static ExecutionPhase[] 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

public static ExecutionPhase valueOf(String name)

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

toString

public String toString()

Overrides:

toString in class Enum<ExecutionPhase>