org.apache.tapestry5.internal.services

## Class RequestOperationTracker

- java.lang.Object
- - org.apache.tapestry5.internal.services.RequestOperationTracker

- All Implemented Interfaces:
    ComponentRequestFilter

      public class RequestOperationTracker
      extends Object
      implements ComponentRequestFilter

  Uses `OperationTracker` to add an operation generally describing each request.
  Since:
    5.4

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `RequestOperationTracker(OperationTracker tracker, Request request)`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `handleComponentEvent(ComponentEventRequestParameters parameters, ComponentRequestHandler handler)` Handler for a component action request which will trigger an event on a component and use the return value to send a response to the client (typically, a redirect to a page render URL).
    `void` | `handlePageRender(PageRenderRequestParameters parameters, ComponentRequestHandler handler)` Invoked to activate and render a page.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### RequestOperationTracker

          public RequestOperationTracker(OperationTracker tracker,
                                         Request request)

  - ### Method Detail

    - #### handleComponentEvent

          public void handleComponentEvent(ComponentEventRequestParameters parameters,
                                           ComponentRequestHandler handler)
                                    throws IOException

      Description copied from interface: `ComponentRequestFilter`
      Handler for a component action request which will trigger an event on a component and use the return value to send a response to the client (typically, a redirect to a page render URL).
      Specified by:
        `handleComponentEvent` in interface `ComponentRequestFilter`
      Parameters:
        `parameters` - defining the requst
        `handler` - next handler in the pipeline
      Throws:
        `IOException`

    - #### handlePageRender

          public void handlePageRender(PageRenderRequestParameters parameters,
                                       ComponentRequestHandler handler)
                                throws IOException

      Description copied from interface: `ComponentRequestFilter`
      Invoked to activate and render a page. In certain cases, based on values returned when activating the page, a `ComponentEventResultProcessor` may be used to send an alternate response (typically, a redirect).
      Specified by:
        `handlePageRender` in interface `ComponentRequestFilter`
      Parameters:
        `parameters` - defines the page name and activation context
        `handler` - next handler in the pipeline
      Throws:
        `IOException`

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