JsonRecyclerPools (jackson-core 2.17.3)

java.lang.Object
- com.fasterxml.jackson.core.util.JsonRecyclerPools

```
public final class JsonRecyclerPools
extends Object
```
Set of RecyclerPool implementations to be used by the default JSON-backed JsonFactory for recycling BufferRecycler containers.

Since:

2.16

Nested Class Summary

Nested Classes
Modifier and Type	Class and Description
`static class`	`JsonRecyclerPools.BoundedPool` `RecyclerPool` implementation that uses a bounded queue (`ArrayBlockingQueue` for recycling instances.
`static class`	`JsonRecyclerPools.ConcurrentDequePool` `RecyclerPool` implementation that uses `ConcurrentLinkedDeque` for recycling instances.
`static class`	`JsonRecyclerPools.LockFreePool` `RecyclerPool` implementation that uses a lock free linked list for recycling instances.
`static class`	`JsonRecyclerPools.NonRecyclingPool` Dummy `RecyclerPool` implementation that does not recycle anything but simply creates new instances when asked to acquire items.
`static class`	`JsonRecyclerPools.ThreadLocalPool` `ThreadLocal`-based `RecyclerPool` implementation used for recycling `BufferRecycler` instances: see `RecyclerPool.ThreadLocalPoolBase` for full explanation of functioning.

Constructor Summary

Constructors
Constructor and Description

JsonRecyclerPools()

Constructors
Constructor and Description
`JsonRecyclerPools()`

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static RecyclerPool<BufferRecycler>`	`defaultPool()` Method to call to get the default recycler pool instance: as of Jackson 2.17.x and earlier (except for 2.17.0) this is same as calling `threadLocalPool()` -- 2.17.0 temporarily had this call `newLockFreePool()` (but reverted due to problems reported).
`static RecyclerPool<BufferRecycler>`	`newBoundedPool(int size)` Accessor for constructing a new, non-shared `JsonRecyclerPools.BoundedPool` instance.
`static RecyclerPool<BufferRecycler>`	`newConcurrentDequePool()` Accessor for constructing a new, non-shared `JsonRecyclerPools.ConcurrentDequePool` instance.
`static RecyclerPool<BufferRecycler>`	`newLockFreePool()` Accessor for constructing a new, non-shared `JsonRecyclerPools.LockFreePool` instance.
`static RecyclerPool<BufferRecycler>`	`nonRecyclingPool()` Accessor for getting the shared/global `JsonRecyclerPools.NonRecyclingPool` instance (due to design only one instance ever needed)
`static RecyclerPool<BufferRecycler>`	`sharedBoundedPool()` Accessor for getting the shared/global `JsonRecyclerPools.BoundedPool` instance.
`static RecyclerPool<BufferRecycler>`	`sharedConcurrentDequePool()` Accessor for getting the shared/global `JsonRecyclerPools.ConcurrentDequePool` instance.
`static RecyclerPool<BufferRecycler>`	`sharedLockFreePool()` Accessor for getting the shared/global `JsonRecyclerPools.LockFreePool` instance.
`static RecyclerPool<BufferRecycler>`	`threadLocalPool()` Accessor for getting the shared/global `JsonRecyclerPools.ThreadLocalPool` instance (due to design only one instance ever needed)

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

- Constructor Detail
  - JsonRecyclerPools
```
public JsonRecyclerPools()
```
- Method Detail
  - defaultPool
```
public static RecyclerPool<BufferRecycler> defaultPool()
```
    Method to call to get the default recycler pool instance: as of Jackson 2.17.x and earlier (except for 2.17.0) this is same as calling threadLocalPool() -- 2.17.0 temporarily had this call newLockFreePool() (but reverted due to problems reported). Will likely be changed in 2.18.0 to something else.
    
    Returns:
    
    the default RecyclerPool implementation to use if no specific implementation desired.
  - threadLocalPool
```
public static RecyclerPool<BufferRecycler> threadLocalPool()
```
    Accessor for getting the shared/global JsonRecyclerPools.ThreadLocalPool instance (due to design only one instance ever needed)
    
    Returns:
    
    Globally shared instance of JsonRecyclerPools.ThreadLocalPool
  - nonRecyclingPool
```
public static RecyclerPool<BufferRecycler> nonRecyclingPool()
```
    Accessor for getting the shared/global JsonRecyclerPools.NonRecyclingPool instance (due to design only one instance ever needed)
    
    Returns:
    
    Globally shared instance of JsonRecyclerPools.NonRecyclingPool.
  - sharedConcurrentDequePool
```
public static RecyclerPool<BufferRecycler> sharedConcurrentDequePool()
```
    Accessor for getting the shared/global JsonRecyclerPools.ConcurrentDequePool instance.
    
    Returns:
    
    Globally shared instance of JsonRecyclerPools.NonRecyclingPool.
  - newConcurrentDequePool
```
public static RecyclerPool<BufferRecycler> newConcurrentDequePool()
```
    Accessor for constructing a new, non-shared JsonRecyclerPools.ConcurrentDequePool instance.
    
    Returns:
    
    Globally shared instance of JsonRecyclerPools.NonRecyclingPool.
  - sharedLockFreePool
```
public static RecyclerPool<BufferRecycler> sharedLockFreePool()
```
    Accessor for getting the shared/global JsonRecyclerPools.LockFreePool instance.
    
    Returns:
    
    Globally shared instance of JsonRecyclerPools.LockFreePool.
  - newLockFreePool
```
public static RecyclerPool<BufferRecycler> newLockFreePool()
```
    Accessor for constructing a new, non-shared JsonRecyclerPools.LockFreePool instance.
    
    Returns:
    
    Globally shared instance of JsonRecyclerPools.LockFreePool.
  - sharedBoundedPool
```
public static RecyclerPool<BufferRecycler> sharedBoundedPool()
```
    Accessor for getting the shared/global JsonRecyclerPools.BoundedPool instance.
    
    Returns:
    
    Globally shared instance of JsonRecyclerPools.BoundedPool.
  - newBoundedPool
```
public static RecyclerPool<BufferRecycler> newBoundedPool(int size)
```
    Accessor for constructing a new, non-shared JsonRecyclerPools.BoundedPool instance.
    
    Parameters:
    
    size - Maximum number of values to pool
    
    Returns:
    
    Globally shared instance of JsonRecyclerPools.BoundedPool.

Class JsonRecyclerPools

Nested Class Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

JsonRecyclerPools

Method Detail

defaultPool

threadLocalPool

nonRecyclingPool

sharedConcurrentDequePool

newConcurrentDequePool

sharedLockFreePool

newLockFreePool

sharedBoundedPool

newBoundedPool