Class WaitableFloat

All Implemented Interfaces:
Executor, Cloneable, Comparable

public class WaitableFloat extends SynchronizedFloat
A class useful for offloading waiting and signalling operations on single float variables.

[ Introduction to this package. ]

  • Field Summary

    Fields inherited from class EDU.oswego.cs.dl.util.concurrent.SynchronizedFloat

    value_

    Fields inherited from class EDU.oswego.cs.dl.util.concurrent.SynchronizedVariable

    lock_
  • Constructor Summary

    Constructors
    Constructor
    Description
    WaitableFloat(float initialValue)
    Make a new WaitableFloat with the given initial value, and using its own internal lock.
    WaitableFloat(float initialValue, Object lock)
    Make a new WaitableFloat with the given initial value, and using the supplied lock.
  • Method Summary

    Modifier and Type
    Method
    Description
    float
    add(float amount)
    Add amount to value (i.e., set value += amount)
    boolean
    commit(float assumedValue, float newValue)
    Set value to newValue only if it is currently assumedValue.
    float
    divide(float factor)
    Divide value by factor (i.e., set value /= factor)
    float
    multiply(float factor)
    Multiply value by factor (i.e., set value *= factor)
    float
    set(float newValue)
    Set to newValue.
    float
    subtract(float amount)
    Subtract amount from value (i.e., set value -= amount)
    void
    whenEqual(float c, Runnable action)
    Wait until value equals c, then run action if nonnull.
    void
    whenGreater(float c, Runnable action)
    wait until value greater than c, then run action if nonnull.
    void
    whenGreaterEqual(float c, Runnable action)
    wait until value greater than or equal to c, then run action if nonnull.
    void
    whenLess(float c, Runnable action)
    wait until value less than c, then run action if nonnull.
    void
    whenLessEqual(float c, Runnable action)
    wait until value less than or equal to c, then run action if nonnull.
    void
    whenNotEqual(float c, Runnable action)
    wait until value not equal to c, then run action if nonnull.

    Methods inherited from class EDU.oswego.cs.dl.util.concurrent.SynchronizedFloat

    compareTo, compareTo, compareTo, equals, get, hashCode, swap, toString

    Methods inherited from class EDU.oswego.cs.dl.util.concurrent.SynchronizedVariable

    execute, getLock

    Methods inherited from class java.lang.Object

    clone, finalize, getClass, notify, notifyAll, wait, wait, wait
  • Constructor Details

    • WaitableFloat

      public WaitableFloat(float initialValue)
      Make a new WaitableFloat with the given initial value, and using its own internal lock.
    • WaitableFloat

      public WaitableFloat(float initialValue, Object lock)
      Make a new WaitableFloat with the given initial value, and using the supplied lock.
  • Method Details

    • set

      public float set(float newValue)
      Description copied from class: SynchronizedFloat
      Set to newValue.
      Overrides:
      set in class SynchronizedFloat
      Returns:
      the old value
    • commit

      public boolean commit(float assumedValue, float newValue)
      Description copied from class: SynchronizedFloat
      Set value to newValue only if it is currently assumedValue.
      Overrides:
      commit in class SynchronizedFloat
      Returns:
      true if successful
    • add

      public float add(float amount)
      Description copied from class: SynchronizedFloat
      Add amount to value (i.e., set value += amount)
      Overrides:
      add in class SynchronizedFloat
      Returns:
      the new value
    • subtract

      public float subtract(float amount)
      Description copied from class: SynchronizedFloat
      Subtract amount from value (i.e., set value -= amount)
      Overrides:
      subtract in class SynchronizedFloat
      Returns:
      the new value
    • multiply

      public float multiply(float factor)
      Description copied from class: SynchronizedFloat
      Multiply value by factor (i.e., set value *= factor)
      Overrides:
      multiply in class SynchronizedFloat
      Returns:
      the new value
    • divide

      public float divide(float factor)
      Description copied from class: SynchronizedFloat
      Divide value by factor (i.e., set value /= factor)
      Overrides:
      divide in class SynchronizedFloat
      Returns:
      the new value
    • whenEqual

      public void whenEqual(float c, Runnable action) throws InterruptedException
      Wait until value equals c, then run action if nonnull. The action is run with the synchronization lock held.
      Throws:
      InterruptedException
    • whenNotEqual

      public void whenNotEqual(float c, Runnable action) throws InterruptedException
      wait until value not equal to c, then run action if nonnull. The action is run with the synchronization lock held.
      Throws:
      InterruptedException
    • whenLessEqual

      public void whenLessEqual(float c, Runnable action) throws InterruptedException
      wait until value less than or equal to c, then run action if nonnull. The action is run with the synchronization lock held.
      Throws:
      InterruptedException
    • whenLess

      public void whenLess(float c, Runnable action) throws InterruptedException
      wait until value less than c, then run action if nonnull. The action is run with the synchronization lock held.
      Throws:
      InterruptedException
    • whenGreaterEqual

      public void whenGreaterEqual(float c, Runnable action) throws InterruptedException
      wait until value greater than or equal to c, then run action if nonnull. The action is run with the synchronization lock held.
      Throws:
      InterruptedException
    • whenGreater

      public void whenGreater(float c, Runnable action) throws InterruptedException
      wait until value greater than c, then run action if nonnull. The action is run with the synchronization lock held.
      Throws:
      InterruptedException