LookupCacheManager.RefCountedCache (Flink : 2.0-SNAPSHOT API)

java.lang.Object
- org.apache.flink.table.runtime.functions.table.lookup.LookupCacheManager.RefCountedCache

All Implemented Interfaces:

RefCounted

Enclosing class:

LookupCacheManager
```
@NotThreadSafe
@VisibleForTesting
public static class LookupCacheManager.RefCountedCache
extends Object
implements RefCounted
```
A wrapper class of LookupCache which also tracks the reference count of it.
This class is exposed as public for testing purpose and not thread safe. Concurrent accesses should be guarded by synchronized methods provided by LookupCacheManager.

Constructor Summary

Constructors
Constructor Description

RefCountedCache(LookupCache cache)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`LookupCache`	`getCache()`
`boolean`	`release()`	Decreases the reference counter.
`void`	`retain()`	Increases the reference counter.

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

- Constructor Detail
  - RefCountedCache
```
public RefCountedCache(LookupCache cache)
```
- Method Detail
  - retain
```
public void retain()
```
    Description copied from interface: RefCounted
    
    Increases the reference counter.
    
    Specified by:
    
    retain in interface RefCounted
  - release
```
public boolean release()
```
    Description copied from interface: RefCounted
    
    Decreases the reference counter.
    
    Specified by:
    
    release in interface RefCounted
    
    Returns:
    
    true if the reference counter reached 0, false otherwise.
  - getCache
```
public LookupCache getCache()
```