FlushPolicy (Apache HBase 1.2.12 API)

All Classes

Summary:
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Field |
Constr |
Method

Detail:
Field |
Constr |
Method

java.lang.Object
- org.apache.hadoop.conf.Configured
- - org.apache.hadoop.hbase.regionserver.FlushPolicy

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable

Direct Known Subclasses:

FlushAllStoresPolicy, FlushLargeStoresPolicy
```
@InterfaceAudience.Private
public abstract class FlushPolicy
extends org.apache.hadoop.conf.Configured
```
A flush policy determines the stores that need to be flushed when flushing a region.

Field Summary

Fields
Modifier and Type Field and Description

protected HRegion region
The region configured for this flush policy.

Constructor Summary

Constructors
Constructor and Description

FlushPolicy()

Method Summary

Methods
Modifier and Type	Method and Description
`protected void`	`configureForRegion(HRegion region)` Upon construction, this method will be called with the region to be governed.
`abstract Collection<Store>`	`selectStoresToFlush()`

Methods inherited from class org.apache.hadoop.conf.Configured
getConf, setConf

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

- Field Detail
  - region
```
protected HRegion region
```
    The region configured for this flush policy.
- Constructor Detail
  - FlushPolicy
```
public FlushPolicy()
```
- Method Detail
  - configureForRegion
```
protected void configureForRegion(HRegion region)
```
    Upon construction, this method will be called with the region to be governed. It will be called once and only once.
  - selectStoresToFlush
```
public abstract Collection<Store> selectStoresToFlush()
```
    Returns:
    the stores need to be flushed.

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