java.lang.Object
- EDU.oswego.cs.dl.util.concurrent.SynchronizedVariable
- - EDU.oswego.cs.dl.util.concurrent.SynchronizedBoolean
  - - EDU.oswego.cs.dl.util.concurrent.WaitableBoolean

All Implemented Interfaces:

Executor, java.lang.Cloneable, java.lang.Comparable
```
public class WaitableBoolean
extends SynchronizedBoolean
```
A class useful for offloading synch for boolean instance variables.
[ Introduction to this package. ]

Field Summary
- Fields inherited from class EDU.oswego.cs.dl.util.concurrent.SynchronizedBoolean
  value_
- Fields inherited from class EDU.oswego.cs.dl.util.concurrent.SynchronizedVariable
  lock_

Constructor Summary

Constructors
Constructor	Description
`WaitableBoolean(boolean initialValue)`	Make a new WaitableBoolean with the given initial value
`WaitableBoolean(boolean initialValue, java.lang.Object lock)`	Make a new WaitableBoolean with the given initial value, and using the supplied lock.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`and(boolean b)`	Set value to value & b.
`boolean`	`commit(boolean assumedValue, boolean newValue)`	Set value to newValue only if it is currently assumedValue.
`boolean`	`complement()`	Set the value to its complement
`boolean`	`or(boolean b)`	Set value to value \| b.
`boolean`	`set(boolean newValue)`	Set to newValue.
`void`	`whenEqual(boolean c, java.lang.Runnable action)`	Wait until value equals c, then run action if nonnull.
`void`	`whenFalse(java.lang.Runnable action)`	Wait until value is false, then run action if nonnull.
`void`	`whenNotEqual(boolean c, java.lang.Runnable action)`	wait until value not equal to c, then run action if nonnull.
`void`	`whenTrue(java.lang.Runnable action)`	wait until value is true, then run action if nonnull.
`boolean`	`xor(boolean b)`	Set value to value ^ b.

Methods inherited from class EDU.oswego.cs.dl.util.concurrent.SynchronizedBoolean
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 Detail
  - WaitableBoolean
```
public WaitableBoolean(boolean initialValue)
```
    Make a new WaitableBoolean with the given initial value
  - WaitableBoolean
```
public WaitableBoolean(boolean initialValue,
                       java.lang.Object lock)
```
    Make a new WaitableBoolean with the given initial value, and using the supplied lock.
- Method Detail
  - set
```
public boolean set(boolean newValue)
```
    Description copied from class: SynchronizedBoolean
    
    Set to newValue.
    
    Overrides:
    
    set in class SynchronizedBoolean
    
    Returns:
    
    the old value
  - commit
```
public boolean commit(boolean assumedValue,
                      boolean newValue)
```
    Description copied from class: SynchronizedBoolean
    
    Set value to newValue only if it is currently assumedValue.
    
    Overrides:
    
    commit in class SynchronizedBoolean
    
    Returns:
    
    true if successful
  - complement
```
public boolean complement()
```
    Description copied from class: SynchronizedBoolean
    
    Set the value to its complement
    
    Overrides:
    
    complement in class SynchronizedBoolean
    
    Returns:
    
    the new value
  - and
```
public boolean and(boolean b)
```
    Description copied from class: SynchronizedBoolean
    
    Set value to value & b.
    
    Overrides:
    
    and in class SynchronizedBoolean
    
    Returns:
    
    the new value
  - or
```
public boolean or(boolean b)
```
    Description copied from class: SynchronizedBoolean
    
    Set value to value | b.
    
    Overrides:
    
    or in class SynchronizedBoolean
    
    Returns:
    
    the new value
  - xor
```
public boolean xor(boolean b)
```
    Description copied from class: SynchronizedBoolean
    
    Set value to value ^ b.
    
    Overrides:
    
    xor in class SynchronizedBoolean
    
    Returns:
    
    the new value
  - whenFalse
```
public void whenFalse(java.lang.Runnable action)
               throws java.lang.InterruptedException
```
    Wait until value is false, then run action if nonnull. The action is run with the synchronization lock held.
    
    Throws:
    
    java.lang.InterruptedException
  - whenTrue
```
public void whenTrue(java.lang.Runnable action)
              throws java.lang.InterruptedException
```
    wait until value is true, then run action if nonnull. The action is run with the synchronization lock held.
    
    Throws:
    
    java.lang.InterruptedException
  - whenEqual
```
public void whenEqual(boolean c,
                      java.lang.Runnable action)
               throws java.lang.InterruptedException
```
    Wait until value equals c, then run action if nonnull. The action is run with the synchronization lock held.
    
    Throws:
    
    java.lang.InterruptedException
  - whenNotEqual
```
public void whenNotEqual(boolean c,
                         java.lang.Runnable action)
                  throws java.lang.InterruptedException
```
    wait until value not equal to c, then run action if nonnull. The action is run with the synchronization lock held.
    
    Throws:
    
    java.lang.InterruptedException

Class WaitableBoolean

Field Summary

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

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

Constructor Summary

Method Summary

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

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

Methods inherited from class java.lang.Object

Constructor Detail

WaitableBoolean

WaitableBoolean

Method Detail

set

commit

complement

and

or

xor

whenFalse

whenTrue

whenEqual

whenNotEqual