CacheManager (Paimon : 1.0-SNAPSHOT API)

```
public class CacheManager
extends Object
```
Cache manager to cache bytes to paged MemorySegments.

Nested Classes
Modifier and Type	Class and Description
`static class`	`CacheManager.SegmentContainer` The container for the segment.

Fields
Modifier and Type	Field and Description
`static int`	`REFRESH_COUNT` Refreshing the cache comes with some costs, so not every time we visit the CacheManager, but every 10 visits, refresh the LRU strategy.

Constructors
Constructor and Description
`CacheManager(Cache.CacheType cacheType, MemorySize maxMemorySize, double highPriorityPoolRatio)`
`CacheManager(MemorySize maxMemorySize)`
`CacheManager(MemorySize dataMaxMemorySize, double highPriorityPoolRatio)`

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`Cache`	`dataCache()`
`int`	`fileReadCount()`
`MemorySegment`	`getPage(CacheKey key, CacheReader reader, CacheCallback callback)`
`Cache`	`indexCache()`
`void`	`invalidPage(CacheKey key)`

@VisibleForTesting
public CacheManager(MemorySize maxMemorySize)

public CacheManager(MemorySize dataMaxMemorySize,
                    double highPriorityPoolRatio)

public CacheManager(Cache.CacheType cacheType,
                    MemorySize maxMemorySize,
                    double highPriorityPoolRatio)

@VisibleForTesting
public Cache dataCache()

@VisibleForTesting
public Cache indexCache()

public MemorySegment getPage(CacheKey key,
                             CacheReader reader,
                             CacheCallback callback)

public void invalidPage(CacheKey key)

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