Method Detail

• of

  static <T> Holder<T> of(int id)

  Returns an indirect id holder.

  Type Parameters:

  T - the type of the value

  Parameters:

  id - the id

  Returns:

  a new holder with the given id

  Throws:

  java.lang.IllegalArgumentException - if the id is negative

• of

  static <T> Holder<T> of(T value)

  Returns a direct value holder.

  Type Parameters:

  T - the type of the value

  Parameters:

  value - the value

  Returns:

  a new direct holder

• isDirect

  boolean isDirect()

  Returns true if this holder is backed by a direct value.

  Returns:

  true if the holder is direct

  See Also:

  hasId()

• hasId

  boolean hasId()

  Returns true if this holder has an id.

  Returns:

  true if this holder has an id

  See Also:

  isDirect()

• value

  T value()

  Returns the value of this holder.

  Returns:

  the value of this holder

  Throws:

  java.lang.IllegalArgumentException - if this holder is not direct

  See Also:

  isDirect()

• id

  int id()

  Returns the id of this holder, or -1 if this holder is direct.

  Returns:

  the id of this holder, or -1 if this holder is direct

  See Also:

  hasId()