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# TAO_Invocation_Endpoint_Selector Class Reference

Defines the interface for policy-based endpoint selection strategies. More...

`#include <Invocation_Endpoint_Selectors.h>`

Inheritance diagram for TAO_Invocation_Endpoint_Selector:

[legend]
List of all members.

## Public Methods
| TAO_Invocation_Endpoint_Selector (void)
| Constructor. More...
virtual | ~TAO_Invocation_Endpoint_Selector (void)
| Destructor. More...
virtual void | select_endpoint (TAO_GIOP_Invocation *invocation ACE_ENV_ARG_DECL_WITH_DEFAULTS)=0
| Select the endpoint and set <invocation>'s <profile_> and <endpoint_> data members accordingly. More...
virtual void | forward (TAO_GIOP_Invocation *invocation, const TAO_MProfile &mprofile ACE_ENV_ARG_DECL_WITH_DEFAULTS)=0
| This method must be called if the invocation attempt on a selected endpoint resulted in location forward. More...
virtual void | success (TAO_GIOP_Invocation *invocation)=0
| Update the state to indicate that the selected endpoint/profile were used successfully. More...
virtual void | close_connection (TAO_GIOP_Invocation *invocation)=0
| Update the state to reflect that the connection being used for the invocation has been closed by the server. More...

## Detailed Description

Defines the interface for policy-based endpoint selection strategies.

Selects/reselects server endpoint for an Invocation. Different concrete strategies perform selection based on different policies. All endpoint selection strategies are stateless objects - any necessary state is stored in Invocation's <endpoint_selection_state_>.

## Constructor & Destructor Documentation

TAO_Invocation_Endpoint_Selector::TAO_Invocation_Endpoint_Selector | ( | void |  | ) |

| Constructor.

TAO_Invocation_Endpoint_Selector::~TAO_Invocation_Endpoint_Selector | ( | void |  | ) | `[virtual]`

| Destructor.

## Member Function Documentation

virtual void TAO_Invocation_Endpoint_Selector::close_connection | ( | TAO_GIOP_Invocation * | invocation | ) | `[pure virtual]`

| Update the state to reflect that the connection being used for the invocation has been closed by the server. Reimplemented in TAO_Default_Endpoint_Selector.

virtual void TAO_Invocation_Endpoint_Selector::forward | ( | TAO_GIOP_Invocation * | invocation,
|  | const TAO_MProfile &mprofile | ACE_ENV_ARG_DECL
| ) | `[pure virtual]`

| This method must be called if the invocation attempt on a selected endpoint resulted in location forward. This method performs the necessary state updates, so that next <select_endpoint> call picks a new endpoint. Reimplemented in TAO_Default_Endpoint_Selector.

virtual void TAO_Invocation_Endpoint_Selector::select_endpoint | ( | TAO_GIOP_Invocation *invocation | ACE_ENV_ARG_DECL | ) | `[pure virtual]`

| Select the endpoint and set <invocation>'s <profile_> and <endpoint_> data members accordingly. Reimplemented in TAO_Default_Endpoint_Selector.

virtual void TAO_Invocation_Endpoint_Selector::success | ( | TAO_GIOP_Invocation * | invocation | ) | `[pure virtual]`

| Update the state to indicate that the selected endpoint/profile were used successfully. Reimplemented in TAO_Default_Endpoint_Selector.

The documentation for this class was generated from the following files:

- Invocation_Endpoint_Selectors.h
- Invocation_Endpoint_Selectors.cpp