ConcurrentValue (Net4j Utilities Documentation)

java.lang.Object
- org.eclipse.net4j.util.concurrent.ConcurrentValue<T>

public final class ConcurrentValue<T>
extends Object

Allow synchronization between many threads for a specific value.

 MainThread cv.set(1);
 Thread1 cv.acquire(3);
 Thread2 cv.acquire(4);
 Thread3 cv.acquire(100);
 Thread4 cv.acquire(new Object()
   {
     public boolean equals(Object other)
     {
       return other.equals(2) || other.equals(3);
     }
   });
 Thread5 cv.acquire(1);
 ...
 // Thread 1,2,3 and 4 are blocked
 // Thread 5 isn't blocked.

 MainThread cv.set(3);

 // Thread 1 and 4 are unblocked.
 // Thread 2 and 3 are still blocked.

Since:: 2.0

Constructor Summary

Constructors
Constructor and Description

ConcurrentValue(T value)

Constructors
Constructor and Description
`ConcurrentValue(T value)`

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`acquire(Object accept)` Blocking call.
`T`	`get()`
`void`	`reevaluate()` Reevaluate the condition.
`void`	`set(T newValue)` Specify the new value.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ConcurrentValue
```
public ConcurrentValue(T value)
```
- Method Detail
  - get
```
public T get()
```
  - set
```
public void set(T newValue)
```
    Specify the new value.
  - reevaluate
```
public void reevaluate()
```
    Reevaluate the condition. It is only useful if a thread is blocked at acquire(Object) and the parameter passed changed. acquire(Object) generates a reevaluation automatically.
  - acquire
```
public void acquire(Object accept)
             throws InterruptedException
```
    Blocking call.
    Return when value accept is equal to get().
    
    Throws:
    
    InterruptedException

Class ConcurrentValue<T>

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

ConcurrentValue

Method Detail

get

set

reevaluate

acquire