org.apache.hadoop.hbase.regionserver

类 MemStoreSnapshot

java.lang.Object

org.apache.hadoop.hbase.regionserver.MemStoreSnapshot

所有已实现的接口:

Closeable, AutoCloseable

@InterfaceAudience.Private
public class MemStoreSnapshot
extends Object
implements Closeable

Holds details of the snapshot taken on a MemStore. Details include the snapshot's identifier, count of cells in it and total memory size occupied by all the cells, timestamp information of all the cells and a scanner to read all cells in it.

构造器概要

构造器

构造器和说明
MemStoreSnapshot(long id, ImmutableSegment snapshot)

方法概要

限定符和类型	方法和说明
void	close()
int	getCellsCount()
long	getDataSize()
long	getId()
MemStoreSize	getMemStoreSize()
List<KeyValueScanner>	getScanners()
TimeRangeTracker	getTimeRangeTracker()
boolean	isTagsPresent()

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

MemStoreSnapshot

public MemStoreSnapshot(long id,
                        ImmutableSegment snapshot)

方法详细资料

getId

public long getId()

返回:

snapshot's identifier.

getCellsCount

public int getCellsCount()

返回:

Number of Cells in this snapshot.

getDataSize

public long getDataSize()

getMemStoreSize

public MemStoreSize getMemStoreSize()

getTimeRangeTracker

public TimeRangeTracker getTimeRangeTracker()

返回:

TimeRangeTracker for all the Cells in the snapshot.

getScanners

public List<KeyValueScanner> getScanners()

返回:

KeyValueScanner for iterating over the snapshot

isTagsPresent

public boolean isTagsPresent()

返回:

true if tags are present in this snapshot

close

public void close()

指定者:

close 在接口中 Closeable

指定者:

close 在接口中 AutoCloseable