Field Detail

• MAX_ID

  public static final long MAX_ID

  See Also:

  Constant Field Values

• MIN_ID

  public static final long MIN_ID

  See Also:

  Constant Field Values

Constructor Detail

• IdentifierManager

  public IdentifierManager(long lowerbound,
                   long upperbound)

  Parameters:

  lowerbound - the lower limit of the id-range to manage. Must be greater than or equal to MIN_ID.

  upperbound - the upper limit of the id-range to manage. Must be less then or equal MAX_ID.

Method Detail

• reserve

  public long reserve(long id)

• reserveNew

  public long reserveNew()

  Returns:

  a new identifier.

  Throws:

  java.lang.IllegalStateException - if no more identifiers are available, then an Exception is raised.

• release

  public boolean release(long id)

  Parameters:

  id - the identifier to release. Must be greater than or equal to lowerbound and must be less than or equal to upperbound

  Returns:

  true, if the identifier was reserved and has been successfully released, false, if the identifier was not reserved.

• getRemainingIdentifiers

  public long getRemainingIdentifiers()