RRingBufferReactive (Redisson 3.16.1 API)乐学网一站式学习平台

Type Parameters:

V - value type

All Superinterfaces:

RCollectionReactive<V>, RExpirableReactive, RObjectReactive, RQueueReactive<V>
```
public interface RRingBufferReactive<V>
extends RQueueReactive<V>
```
RingBuffer based queue evicts elements from the head if queue capacity became full.
The head element removed if new element added and queue is full.
Must be initialized with capacity size trySetCapacity(int) before usage.

Author:

Nikita Koksharov

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`reactor.core.publisher.Mono<Integer>`	`capacity()`	Returns capacity of this queue
`reactor.core.publisher.Mono<Integer>`	`remainingCapacity()`	Returns remaining capacity of this queue
`reactor.core.publisher.Mono<Void>`	`setCapacity(int capacity)`	Sets capacity of the queue and overrides current value.
`reactor.core.publisher.Mono<Boolean>`	`trySetCapacity(int capacity)`	Sets queue capacity only if it is not set before.

Methods inherited from interface org.redisson.api.RCollectionReactive
add, addAll, addAll, contains, containsAll, iterator, remove, removeAll, retainAll, size

Methods inherited from interface org.redisson.api.RExpirableReactive
clearExpire, expire, expireAt, expireAt, expireAt, remainTimeToLive

Methods inherited from interface org.redisson.api.RObjectReactive
addListener, copy, delete, dump, getCodec, getIdleTime, getName, isExists, migrate, move, removeListener, rename, renamenx, restore, restore, restoreAndReplace, restoreAndReplace, sizeInMemory, touch, unlink

Methods inherited from interface org.redisson.api.RQueueReactive
offer, peek, poll, poll, pollLastAndOfferFirstTo, readAll

- Method Detail
  - trySetCapacity
```
reactor.core.publisher.Mono<Boolean> trySetCapacity(int capacity)
```
    Sets queue capacity only if it is not set before.
    
    Parameters:
    
    capacity - - queue capacity
    
    Returns:
    
    true if capacity set successfully false if capacity already set
  - setCapacity
```
reactor.core.publisher.Mono<Void> setCapacity(int capacity)
```
    Sets capacity of the queue and overrides current value. Trims queue if previous capacity value was greater than new.
    
    Parameters:
    
    capacity - - queue capacity
  - remainingCapacity
```
reactor.core.publisher.Mono<Integer> remainingCapacity()
```
    Returns remaining capacity of this queue
    
    Returns:
    
    remaining capacity
  - capacity
```
reactor.core.publisher.Mono<Integer> capacity()
```
    Returns capacity of this queue
    
    Returns:
    
    queue capacity