WaitQueue.Standard (apache-cassandra API)

java.lang.Object
- org.apache.cassandra.utils.concurrent.WaitQueue.Standard

All Implemented Interfaces:: WaitQueue

Enclosing interface:: WaitQueue

public static class WaitQueue.Standard
extends java.lang.Object
implements WaitQueue

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class WaitQueue.Standard.AbstractSignal
An abstract signal implementation TODO: use intrusive linked list
- Nested classes/interfaces inherited from interface org.apache.cassandra.utils.concurrent.WaitQueue
  WaitQueue.Signal, WaitQueue.Standard

Constructor Summary

Constructors
Modifier Constructor Description

protected Standard()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`getWaiting()`	Return how many threads are waiting
`boolean`	`hasWaiters()`	getWaiting() > 0
`WaitQueue.Signal`	`register()`	The calling thread MUST be the thread that uses the signal
`<V> WaitQueue.Signal`	`register(V supplyOnDone, java.util.function.Consumer<V> receiveOnDone)`	The calling thread MUST be the thread that uses the signal.
`boolean`	`signal()`	Signal one waiting thread
`void`	`signalAll()`	Signal all waiting threads

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

- Constructor Detail
  - Standard
```
protected Standard()
```
- Method Detail
  - register
```
public WaitQueue.Signal register()
```
    The calling thread MUST be the thread that uses the signal
    
    Specified by:
    
    register in interface WaitQueue
    
    Returns:
    
    x
  - register
```
public <V> WaitQueue.Signal register(V supplyOnDone,
                                     java.util.function.Consumer<V> receiveOnDone)
```
    The calling thread MUST be the thread that uses the signal. If the Signal is waited on, context.stop() will be called when the wait times out, the Signal is signalled, or the waiting thread is interrupted.
    
    Specified by:
    
    register in interface WaitQueue
  - signal
```
public boolean signal()
```
    Signal one waiting thread
    
    Specified by:
    
    signal in interface WaitQueue
  - signalAll
```
public void signalAll()
```
    Signal all waiting threads
    
    Specified by:
    
    signalAll in interface WaitQueue
  - hasWaiters
```
public boolean hasWaiters()
```
    Description copied from interface: WaitQueue
    
    getWaiting() > 0
    
    Specified by:
    
    hasWaiters in interface WaitQueue
  - getWaiting
```
public int getWaiting()
```
    Description copied from interface: WaitQueue
    
    Return how many threads are waiting
    
    Specified by:
    
    getWaiting in interface WaitQueue
    
    Returns:
    
    how many threads are waiting