CacheLimitPolicy (Flink : 2.0-SNAPSHOT API)

All Known Implementing Classes:

BundledCacheLimitPolicy, SizeBasedCacheLimitPolicy, SpaceBasedCacheLimitPolicy
```
public interface CacheLimitPolicy
```
Space checker.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`acquire(long toAddSize)`	Acquire cache.
`boolean`	`isOverflow(long toAddSize)`	Whether the cache usage is exceeded the upperbound.
`boolean`	`isSafeToAdd(long toAddSize)`	Whether the cache usage is safe to add.
`void`	`release(long toReleaseSize)`	Release cache.

- Method Detail
  - isSafeToAdd
```
boolean isSafeToAdd(long toAddSize)
```
    Whether the cache usage is safe to add.
    
    Parameters:
    
    toAddSize -
    
    Returns:
    
    false if the toAddSize is larger than max available capacity, true otherwise.
  - isOverflow
```
boolean isOverflow(long toAddSize)
```
    Whether the cache usage is exceeded the upperbound.
    
    Parameters:
    
    toAddSize -
    
    Returns:
    
    true if the cache usage is overflow, false otherwise.
  - acquire
```
void acquire(long toAddSize)
```
    Acquire cache.
    
    Parameters:
    
    toAddSize -
  - release
```
void release(long toReleaseSize)
```
    Release cache.
    
    Parameters:
    
    toReleaseSize -