MemStoreSnapshot (Apache HBase 1.2.12 API)

java.lang.Object
- org.apache.hadoop.hbase.regionserver.MemStoreSnapshot

```
@InterfaceAudience.Private
public class MemStoreSnapshot
extends Object
```
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.

Field Summary

Fields
Modifier and Type	Field and Description
`private int`	`cellsCount`
`private long`	`id`
`private KeyValueScanner`	`scanner`
`private long`	`size`
`private boolean`	`tagsPresent`
`private TimeRangeTracker`	`timeRangeTracker`

Constructor Summary

Constructors
Constructor and Description
`MemStoreSnapshot(long id, int cellsCount, long size, TimeRangeTracker timeRangeTracker, KeyValueScanner scanner, boolean tagsPresent)`

Method Summary

Methods
Modifier and Type	Method and Description
`int`	`getCellsCount()`
`long`	`getId()`
`KeyValueScanner`	`getScanner()`
`long`	`getSize()`
`TimeRangeTracker`	`getTimeRangeTracker()`
`boolean`	`isTagsPresent()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

id
```
private final long id
```

cellsCount
```
private final int cellsCount
```

size
```
private final long size
```

timeRangeTracker

private final TimeRangeTracker timeRangeTracker

scanner
```
private final KeyValueScanner scanner
```

tagsPresent
```
private final boolean tagsPresent
```

Constructor Detail

MemStoreSnapshot

public MemStoreSnapshot(long id,
                int cellsCount,
                long size,
                TimeRangeTracker timeRangeTracker,
                KeyValueScanner scanner,
                boolean tagsPresent)

Method Detail
- getId
```
public long getId()
```
  Returns:
  snapshot's identifier.
- getCellsCount
```
public int getCellsCount()
```
  Returns:
  Number of Cells in this snapshot.
- getSize
```
public long getSize()
```
  Returns:
  Total memory size occupied by this snapshot.
- getTimeRangeTracker
```
public TimeRangeTracker getTimeRangeTracker()
```
  Returns:
  TimeRangeTracker for all the Cells in the snapshot.
- getScanner
```
public KeyValueScanner getScanner()
```
  Returns:
  KeyValueScanner for iterating over the snapshot
- isTagsPresent
```
public boolean isTagsPresent()
```
  Returns:
  true if tags are present in this snapshot

Class MemStoreSnapshot

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

id

cellsCount

size

timeRangeTracker

scanner

tagsPresent

Constructor Detail

MemStoreSnapshot

Method Detail

getId

getCellsCount

getSize

getTimeRangeTracker

getScanner

isTagsPresent