org.apache.flink.table.runtime.operators.sort

Class ListMemorySegmentPool

java.lang.Object

org.apache.flink.table.runtime.operators.sort.ListMemorySegmentPool

All Implemented Interfaces:

org.apache.flink.core.memory.MemorySegmentSource, MemorySegmentPool

public class ListMemorySegmentPool
extends Object
implements MemorySegmentPool

MemorySegment pool of a MemorySegment list.

Constructor Summary

Constructors

Constructor and Description
ListMemorySegmentPool(List<org.apache.flink.core.memory.MemorySegment> memorySegments)

Method Summary

Modifier and Type	Method and Description
void	clear()
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

ListMemorySegmentPool

public ListMemorySegmentPool(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

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

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.

clear

public void clear()