Package tkrzw

Class Future<T>

Object
Future<T>
public class Future<T> extends Object
Future containing a status object and extra data.
Note:
Future objects are made by methods of AsyncDBM. Every future object should be destroyed by the "destruct" method or the "get" method to free resources.

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    await(double timeout)
    Awaits the operation to be done.
    void
    destruct()
    Destructs the object and releases resources.
    T
    get()
    Awaits the operation to be done and gets the result status.
    String
    toString()
    Gets a string representation of the database.

    Methods inherited from class Object

    clone, equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

  • Method Details

    • destruct

      public void destruct()
      Destructs the object and releases resources.

    • await

      public boolean await(double timeout)
      Awaits the operation to be done.
      Parameters:
      timeout - The waiting time in seconds. If it is negative, no timeout is set.
      Returns:
      True if the operation has done. False if timeout occurs.

    • get

      public T get()
      Awaits the operation to be done and gets the result status.
      Returns:
      The result status and extra data if any. The existence and the type of extra data depends on the operation which makes the future. For DBM#Get, a tuple of the status and the retrieved value is returned. For DBM#Set and DBM#Remove, the status object itself is returned.
      Note:
      The internal resource is released by this method. "aait" and "get" cannot be called after calling this method.

    • toString

      public String toString()
      Gets a string representation of the database.
      Overrides:
      toString in class Object