Method Detail

• getBackendType

  com.google.common.reflect.TypeToken<?> getBackendType()

  Returns:

  type of the context powering the current one.

• unwrap

  <C extends Context> C unwrap(com.google.common.reflect.TypeToken<C> type)
                           throws IllegalArgumentException

  Return an object of the specified type to allow access to the backend context. If the backend context is not assignable from the supplied type, an IllegalArgumentException is thrown. ex.

   ApiContext backendApi = computeContext.unwrap(new TypeToken>(){});
   

  Parameters:

  type - the type of the context to be returned. The backend context must be assignable from this type.

  Returns:

  an instance of the specified type

  Throws:

  IllegalArgumentException - if the backend context is not assignable from the specified class.

  See Also:

  getBackendType()

• unwrap

  <C extends Context> C unwrap()
                           throws ClassCastException

  shortcut for unwrap(getWrappedType())

  Throws:

  ClassCastException - if the user supplied C param is not assignableFrom getBackendType()

• unwrapApi

  <A extends Closeable> A unwrapApi(Class<A> apiClass)

  Unwraps the underlying api from this view.

  Parameters:

  apiClass - The class of the api to unwrap.

  Returns:

  The unwrapped api.

  Since:

  1.7