java.lang.Object
- EDU.oswego.cs.dl.util.concurrent.SynchronizedVariable
- - EDU.oswego.cs.dl.util.concurrent.SynchronizedInt
  - - EDU.oswego.cs.dl.util.concurrent.WaitableInt

All Implemented Interfaces:

Executor, java.lang.Cloneable, java.lang.Comparable
```
public class WaitableInt
extends SynchronizedInt
```
A class useful for offloading waiting and signalling operations on single int variables.

[ Introduction to this package. ]

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

Constructor Summary

Constructors
Constructor	Description
`WaitableInt(int initialValue)`	Make a new WaitableInt with the given initial value, and using its own internal lock.
`WaitableInt(int initialValue, java.lang.Object lock)`	Make a new WaitableInt with the given initial value, and using the supplied lock.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`add(int amount)`	Add amount to value (i.e., set value += amount)
`int`	`and(int b)`	Set value to value & b.
`boolean`	`commit(int assumedValue, int newValue)`	Set value to newValue only if it is currently assumedValue.
`int`	`complement()`	Set the value to its complement
`int`	`decrement()`	Decrement the value.
`int`	`divide(int factor)`	Divide value by factor (i.e., set value /= factor)
`int`	`increment()`	Increment the value.
`int`	`multiply(int factor)`	Multiply value by factor (i.e., set value *= factor)
`int`	`or(int b)`	Set value to value \| b.
`int`	`set(int newValue)`	Set to newValue.
`int`	`subtract(int amount)`	Subtract amount from value (i.e., set value -= amount)
`void`	`whenEqual(int c, java.lang.Runnable action)`	Wait until value equals c, then run action if nonnull.
`void`	`whenGreater(int c, java.lang.Runnable action)`	wait until value greater than c, then run action if nonnull.
`void`	`whenGreaterEqual(int c, java.lang.Runnable action)`	wait until value greater than or equal to c, then run action if nonnull.
`void`	`whenLess(int c, java.lang.Runnable action)`	wait until value less than c, then run action if nonnull.
`void`	`whenLessEqual(int c, java.lang.Runnable action)`	wait until value less than or equal to c, then run action if nonnull.
`void`	`whenNotEqual(int c, java.lang.Runnable action)`	wait until value not equal to c, then run action if nonnull.
`int`	`xor(int b)`	Set value to value ^ b.

Methods inherited from class EDU.oswego.cs.dl.util.concurrent.SynchronizedInt
compareTo, compareTo, compareTo, equals, get, hashCode, negate, 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
  - WaitableInt
```
public WaitableInt(int initialValue)
```
    Make a new WaitableInt with the given initial value, and using its own internal lock.
  - WaitableInt
```
public WaitableInt(int initialValue,
                   java.lang.Object lock)
```
    Make a new WaitableInt with the given initial value, and using the supplied lock.
- Method Detail
  - set
```
public int set(int newValue)
```
    Description copied from class: SynchronizedInt
    
    Set to newValue.
    
    Overrides:
    
    set in class SynchronizedInt
    
    Returns:
    
    the old value
  - commit
```
public boolean commit(int assumedValue,
                      int newValue)
```
    Description copied from class: SynchronizedInt
    
    Set value to newValue only if it is currently assumedValue.
    
    Overrides:
    
    commit in class SynchronizedInt
    
    Returns:
    
    true if successful
  - increment
```
public int increment()
```
    Description copied from class: SynchronizedInt
    
    Increment the value.
    
    Overrides:
    
    increment in class SynchronizedInt
    
    Returns:
    
    the new value
  - decrement
```
public int decrement()
```
    Description copied from class: SynchronizedInt
    
    Decrement the value.
    
    Overrides:
    
    decrement in class SynchronizedInt
    
    Returns:
    
    the new value
  - add
```
public int add(int amount)
```
    Description copied from class: SynchronizedInt
    
    Add amount to value (i.e., set value += amount)
    
    Overrides:
    
    add in class SynchronizedInt
    
    Returns:
    
    the new value
  - subtract
```
public int subtract(int amount)
```
    Description copied from class: SynchronizedInt
    
    Subtract amount from value (i.e., set value -= amount)
    
    Overrides:
    
    subtract in class SynchronizedInt
    
    Returns:
    
    the new value
  - multiply
```
public int multiply(int factor)
```
    Description copied from class: SynchronizedInt
    
    Multiply value by factor (i.e., set value *= factor)
    
    Overrides:
    
    multiply in class SynchronizedInt
    
    Returns:
    
    the new value
  - divide
```
public int divide(int factor)
```
    Description copied from class: SynchronizedInt
    
    Divide value by factor (i.e., set value /= factor)
    
    Overrides:
    
    divide in class SynchronizedInt
    
    Returns:
    
    the new value
  - complement
```
public int complement()
```
    Set the value to its complement
    
    Overrides:
    
    complement in class SynchronizedInt
    
    Returns:
    
    the new value
  - and
```
public int and(int b)
```
    Set value to value & b.
    
    Overrides:
    
    and in class SynchronizedInt
    
    Returns:
    
    the new value
  - or
```
public int or(int b)
```
    Set value to value | b.
    
    Overrides:
    
    or in class SynchronizedInt
    
    Returns:
    
    the new value
  - xor
```
public int xor(int b)
```
    Set value to value ^ b.
    
    Overrides:
    
    xor in class SynchronizedInt
    
    Returns:
    
    the new value
  - whenEqual
```
public void whenEqual(int 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(int 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
  - whenLessEqual
```
public void whenLessEqual(int c,
                          java.lang.Runnable action)
                   throws java.lang.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:
    
    java.lang.InterruptedException
  - whenLess
```
public void whenLess(int c,
                     java.lang.Runnable action)
              throws java.lang.InterruptedException
```
    wait until value less than c, then run action if nonnull. The action is run with the synchronization lock held.
    
    Throws:
    
    java.lang.InterruptedException
  - whenGreaterEqual
```
public void whenGreaterEqual(int c,
                             java.lang.Runnable action)
                      throws java.lang.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:
    
    java.lang.InterruptedException
  - whenGreater
```
public void whenGreater(int c,
                        java.lang.Runnable action)
                 throws java.lang.InterruptedException
```
    wait until value greater than c, then run action if nonnull. The action is run with the synchronization lock held.
    
    Throws:
    
    java.lang.InterruptedException

Class WaitableInt

Field Summary

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

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.SynchronizedInt

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

Methods inherited from class java.lang.Object

Constructor Detail

WaitableInt

WaitableInt

Method Detail

set

commit

increment

decrement

add

subtract

multiply

divide

complement

and

or

xor

whenEqual

whenNotEqual

whenLessEqual

whenLess

whenGreaterEqual

whenGreater