## Uses of Interface
org.apache.tapestry5.ComponentEventCallback

- Packages that use ComponentEventCallback
  Package | Description
  --- | ---
  org.apache.tapestry5 | Root package for Tapestry, containing common interfaces and data types used throughout the framework.
  org.apache.tapestry5.internal.services | [INTERNAL USE ONLY] internal service classes; API subject to change
  org.apache.tapestry5.internal.structure | [INTERNAL USE ONLY] page structure implementation details; API subject to change.
  org.apache.tapestry5.internal.util | [INTERNAL USE ONLY] various utility classes; API subject to change.
  org.apache.tapestry5.test | Support for testing Tapestry pages

- - ### Uses of ComponentEventCallback in org.apache.tapestry5

    Subinterfaces of ComponentEventCallback in org.apache.tapestry5
    Modifier and Type | Interface and Description
    --- | ---
    `interface` | `TrackableComponentEventCallback<T>` Extends `ComponentEventCallback` with a way to determine if the underlying event has been aborted due to a some event returning an acceptable, non-null value.

    Methods in org.apache.tapestry5 with parameters of type ComponentEventCallback
    Modifier and Type | Method and Description
    --- | ---
    `boolean` | ComponentResourcesCommon.`triggerContextEvent(String eventType, EventContext context, ComponentEventCallback callback)` Triggers a component event.
    `boolean` | ComponentResourcesCommon.`triggerEvent(String eventType, Object[] contextValues, ComponentEventCallback callback)` A convenience method for invoking `ComponentResourcesCommon.triggerContextEvent(String, EventContext , ComponentEventCallback)`.

  - ### Uses of ComponentEventCallback in org.apache.tapestry5.internal.services

    Classes in org.apache.tapestry5.internal.services that implement ComponentEventCallback
    Modifier and Type | Class and Description
    --- | ---
    `class` | `ComponentResultProcessorWrapper` A wrapper around `ComponentEventResultProcessor` that encapsulates capturing the exception.

    Constructors in org.apache.tapestry5.internal.services with parameters of type ComponentEventCallback
    Constructor and Description
    `ComponentEventImpl(String eventType, String originatingComponentId, EventContext context, ComponentEventCallback handler, ComponentPageElementResources elementResources, boolean exactParameterCountMatch, ComponentModel model, org.slf4j.Logger logger)`
    `EventImpl(ComponentEventCallback handler, org.slf4j.Logger logger, OperationTracker tracker)`

  - ### Uses of ComponentEventCallback in org.apache.tapestry5.internal.structure

    Methods in org.apache.tapestry5.internal.structure with parameters of type ComponentEventCallback
    Modifier and Type | Method and Description
    --- | ---
    `boolean` | ComponentPageElementImpl.`triggerContextEvent(String eventType, EventContext context, ComponentEventCallback callback)`
    `boolean` | InternalComponentResourcesImpl.`triggerContextEvent(String eventType, EventContext context, ComponentEventCallback callback)`
    `boolean` | ComponentPageElementImpl.`triggerEvent(String eventType, Object[] contextValues, ComponentEventCallback callback)`
    `boolean` | InternalComponentResourcesImpl.`triggerEvent(String eventType, Object[] context, ComponentEventCallback handler)`

  - ### Uses of ComponentEventCallback in org.apache.tapestry5.internal.util

    Classes in org.apache.tapestry5.internal.util that implement ComponentEventCallback
    Modifier and Type | Class and Description
    --- | ---
    `class` | `CaptureResultCallback<T>` Implementation of `ComponentEventCallback` that simply captures the result value.
    `class` | `NotificationEventCallback` A `ComponentEventCallback` used for notification events.

  - ### Uses of ComponentEventCallback in org.apache.tapestry5.test

    Methods in org.apache.tapestry5.test that return ComponentEventCallback
    Modifier and Type | Method and Description
    --- | ---
    `protected ComponentEventCallback` | TapestryTestCase.`mockComponentEventHandler()`

    Methods in org.apache.tapestry5.test with parameters of type ComponentEventCallback
    Modifier and Type | Method and Description
    --- | ---
    `protected void` | TapestryTestCase.`train_handleResult(ComponentEventCallback handler, Object result, boolean abort)`

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