BytesHashMapSpillMemorySegmentPool (Flink : Table : Runtime 1.19.2-cp2 API)

java.lang.Object
- org.apache.flink.table.runtime.operators.aggregate.BytesHashMapSpillMemorySegmentPool

All Implemented Interfaces:

org.apache.flink.core.memory.MemorySegmentSource, MemorySegmentPool
```
public class BytesHashMapSpillMemorySegmentPool
extends Object
implements MemorySegmentPool
```
MemorySegmentPool for BytesHashMap to fall back to sort agg. nextSegment() not remove segment from segments, just get from segments.

Constructor Summary

Constructors
Constructor Description

BytesHashMapSpillMemorySegmentPool(List<org.apache.flink.core.memory.MemorySegment> memorySegments)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`freePages()`
`org.apache.flink.core.memory.MemorySegment`	`nextSegment()`
`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 class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - BytesHashMapSpillMemorySegmentPool
```
public BytesHashMapSpillMemorySegmentPool(List<org.apache.flink.core.memory.MemorySegment> memorySegments)
```
- Method Detail
  - nextSegment
```
public org.apache.flink.core.memory.MemorySegment nextSegment()
```
    Specified by:
    
    nextSegment in interface org.apache.flink.core.memory.MemorySegmentSource
  - returnAll
```
public void returnAll(List<org.apache.flink.core.memory.MemorySegment> memory)
```
    Description copied from interface: MemorySegmentPool
    
    Return all pages back into this pool.
    
    Specified by:
    
    returnAll in interface MemorySegmentPool
    
    Parameters:
    
    memory - the pages which want to be returned.
  - freePages
```
public int freePages()
```
    Specified by:
    
    freePages in interface MemorySegmentPool
    
    Returns:
    
    Free page number.
  - pageSize
```
public int pageSize()
```
    Description copied from interface: MemorySegmentPool
    
    Get the page size of each page this pool holds.
    
    Specified by:
    
    pageSize in interface MemorySegmentPool
    
    Returns:
    
    the page size