org.apache.hc.client5.http.classic

## Interface ExecRuntime

-     @Internal
      public interface ExecRuntime

  Execution runtime that provides access to the underlying connection endpoint and helps manager its life cycle.

  This interface is considered internal and generally ought not be used or accessed by custom request exec handlers.

  Since:
    5.0

- - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `acquireEndpoint(String id, HttpRoute route, Object state, HttpClientContext context)` Acquires a connection endpoint.
    `void` | `connectEndpoint(HttpClientContext context)` Connect the local endpoint to the initial hop (connection target in case of a direct route or to the first proxy hop in case of a route via a proxy or multiple proxies).
    `void` | `discardEndpoint()` Shuts down and discards the acquired endpoint.
    `void` | `disconnectEndpoint()` Disconnects the local endpoint from the initial hop in the connection route.
    `org.apache.hc.core5.http.ClassicHttpResponse` | `execute(String id, org.apache.hc.core5.http.ClassicHttpRequest request, HttpClientContext context)` Executes HTTP request using the given context.
    `ExecRuntime` | `fork(org.apache.hc.core5.concurrent.CancellableDependency cancellableAware)` Forks this runtime for parallel execution.
    `boolean` | `isConnectionReusable()` Determines of the connection is considered re-usable.
    `boolean` | `isEndpointAcquired()` Determines of a connection endpoint has been acquired.
    `boolean` | `isEndpointConnected()` Determines of there the endpoint is connected to the initial hop (connection target in case of a direct route or to the first proxy hop in case of a route via a proxy or multiple proxies).
    `boolean` | `isExecutionAborted()` Determines of the request execution has been aborted.
    `void` | `markConnectionNonReusable()` Marks the connection as non re-usable.
    `void` | `markConnectionReusable(Object state, org.apache.hc.core5.util.TimeValue validityTime)` Marks the connection as potentially re-usable for the given period of time and also marks it as stateful if the state representation is given.
    `void` | `releaseEndpoint()` Releases the acquired endpoint potentially making it available for re-use.
    `void` | `upgradeTls(HttpClientContext context)` Upgrades transport security of the active connection by using the TLS security protocol.

- - ### Method Detail

    - #### isExecutionAborted

          boolean isExecutionAborted()

      Determines of the request execution has been aborted.
      Returns:
        `true` if the request execution has been acquired, `false` otherwise.

    - #### isEndpointAcquired

          boolean isEndpointAcquired()

      Determines of a connection endpoint has been acquired.
      Returns:
        `true` if an endpoint has been acquired, `false` otherwise.

    - #### acquireEndpoint

          void acquireEndpoint(String id,
                             HttpRoute route,
                             Object state,
                             HttpClientContext context)
                               throws IOException

      Acquires a connection endpoint. Endpoints can leased from a pool or unconnected new endpoint can be created.
      Parameters:
        `id` - unique operation ID or `null`.
        `route` - the connection route.
        `state` - the expected connection state. May be `null` if connection can be state-less or its state is irrelevant.
        `context` - the execution context.
      Throws:
        `IOException`

    - #### releaseEndpoint

          void releaseEndpoint()

      Releases the acquired endpoint potentially making it available for re-use.

    - #### discardEndpoint

          void discardEndpoint()

      Shuts down and discards the acquired endpoint.

    - #### isEndpointConnected

          boolean isEndpointConnected()

      Determines of there the endpoint is connected to the initial hop (connection target in case of a direct route or to the first proxy hop in case of a route via a proxy or multiple proxies).
      Returns:
        `true` if the endpoint is connected, `false` otherwise.

    - #### disconnectEndpoint

          void disconnectEndpoint()
                                  throws IOException

      Disconnects the local endpoint from the initial hop in the connection route.
      Throws:
        `IOException`

    - #### connectEndpoint

          void connectEndpoint(HttpClientContext context)
                               throws IOException

      Connect the local endpoint to the initial hop (connection target in case of a direct route or to the first proxy hop in case of a route via a proxy or multiple proxies).
      Parameters:
        `context` - the execution context.
      Throws:
        `IOException`

    - #### upgradeTls

          void upgradeTls(HttpClientContext context)
                          throws IOException

      Upgrades transport security of the active connection by using the TLS security protocol.
      Parameters:
        `context` - the execution context.
      Throws:
        `IOException`

    - #### execute

          org.apache.hc.core5.http.ClassicHttpResponse execute(String id,
                                                             org.apache.hc.core5.http.ClassicHttpRequest request,
                                                             HttpClientContext context)
                                                               throws IOException,
                                                                      org.apache.hc.core5.http.HttpException

      Executes HTTP request using the given context.
      Parameters:
        `id` - unique operation ID or `null`.
        `request` - the request message.
        `context` - the execution context.
      Throws:
        `IOException`
        `org.apache.hc.core5.http.HttpException`

    - #### isConnectionReusable

          boolean isConnectionReusable()

      Determines of the connection is considered re-usable.
      Returns:
        `true` if the connection is re-usable, `false` otherwise.

    - #### markConnectionReusable

          void markConnectionReusable(Object state,
                                    org.apache.hc.core5.util.TimeValue validityTime)

      Marks the connection as potentially re-usable for the given period of time and also marks it as stateful if the state representation is given.
      Parameters:
        `state` - the connection state representation or `null` if stateless.
        `validityTime` - the period of time this connection is valid for.

    - #### markConnectionNonReusable

          void markConnectionNonReusable()

      Marks the connection as non re-usable.

    - #### fork

          ExecRuntime fork(org.apache.hc.core5.concurrent.CancellableDependency cancellableAware)

      Forks this runtime for parallel execution.
      Returns:
        another runtime with the same configuration.

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