org.apache.tapestry5.services

## Interface ComponentOverride

- All Known Implementing Classes:
    ComponentOverrideImpl

      @UsesMappedConfiguration(key=java.lang.Class.class,
                               value=java.lang.Class.class)
      public interface ComponentOverride

  Service that allows replacing one component, page or mixin class by another without changing the sources. This service shouldn't be used directly: it's not an internal service just because it receives contributions. Contributions to it are mapped: the key is the component, page or mixin class to be replaced, the value is the replacement.
  Since:
    5.4
  See Also:
    `ComponentClassResolver`

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `java.lang.Class` | `getReplacement(java.lang.String className)` Returns the replacement for a class given its name.
    `boolean` | `hasReplacements()` Returns true if the service configuration is non-empty.

- - ### Method Detail

    - #### hasReplacements

          boolean hasReplacements()

      Returns true if the service configuration is non-empty.

    - #### getReplacement

          java.lang.Class getReplacement(java.lang.String className)

      Returns the replacement for a class given its name.
      Parameters:
        `className` - the fully qualified class name.
      Returns:
        a `Class` or null.

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