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## com.bea.netuix.application.identifier
Interface PlaceableInstanceId

All Superinterfaces
  InstanceId

All Known Implementing Classes:
  BookInstanceId, PortletInstanceId

    public interface PlaceableInstanceId

extends InstanceId

The `InstanceId` implemented by `Book`s and `Portlet`s, which are placeables. The `InstanceId` is stored in the database and uniquely identifies each instance of a `Book` or `Portlet`.

This interface is intended to be implemented only by Oracle Weblogic Portal. Oracle Systems reserves the right to add abstract methods to this interface without notice. Implementations of this interface by other parties must not be expected to compile without change in future versions of Oracle Weblogic Portal.

Method Summary
`int` | `getId()` Used when customizing `Book`s and `Portlet`s.

Method Detail

### getId

    int getId()

  Used when customizing `Book`s and `Portlet`s. Should not be null, but it's possible for this getter to return null if our internal API's were not called when creating the placeable, and the developer did not explicitly set it.

  Returns
    an integer representing the unique `InstanceId` for this placeable.

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