Package org.eclipse.viatra.query.runtime.registry

## Interface IQuerySpecificationRegistryChangeListener

- All Known Subinterfaces:
    `IDefaultRegistryView`, `IRegistryView`
  All Known Implementing Classes:
    `AbstractRegistryView`

      public interface IQuerySpecificationRegistryChangeListener

  Listener interface for providing update notifications of views to users. It is used for propagating changes from the query specification registry to the views and from the views to users.
  Since:
    1.3

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | `entryAdded​(IQuerySpecificationRegistryEntry entry)` | Called when a new entry is added to the registry.
    `void` | `entryRemoved​(IQuerySpecificationRegistryEntry entry)` | Called when an existing entry is removed from the registry.

- - ### Method Detail

    - #### entryAdded

          void entryAdded​(IQuerySpecificationRegistryEntry entry)

      Called when a new entry is added to the registry.
      Parameters:
        `entry` - that is added

    - #### entryRemoved

          void entryRemoved​(IQuerySpecificationRegistryEntry entry)

      Called when an existing entry is removed from the registry.
      Parameters:
        `entry` - that is removed