MemorySegmentPool (Flink : Table : Runtime 2.1.0 API)

All Superinterfaces:

org.apache.flink.core.memory.MemorySegmentSource

All Known Implementing Classes:

BaseHybridHashTable, BinaryHashTable, BytesHashMapSpillMemorySegmentPool, LazyMemorySegmentPool, ListMemorySegmentPool, LongHybridHashTable
```
public interface MemorySegmentPool
extends org.apache.flink.core.memory.MemorySegmentSource
```
MemorySegment pool to hold pages in memory.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`int`	`freePages()`
`int`	`pageSize()`	Get the page size of each page this pool holds.
`void`	`returnAll(List<org.apache.flink.core.memory.MemorySegment> memory)`	Return all pages back into this pool.

Methods inherited from interface org.apache.flink.core.memory.MemorySegmentSource
nextSegment

- Method Detail
  - pageSize
```
int pageSize()
```
    Get the page size of each page this pool holds.
    
    Returns:
    
    the page size
  - returnAll
```
void returnAll(List<org.apache.flink.core.memory.MemorySegment> memory)
```
    Return all pages back into this pool.
    
    Parameters:
    
    memory - the pages which want to be returned.
  - freePages
```
int freePages()
```
    Returns:
    
    Free page number.