LogRoller.RollController (Apache HBase 1.7.2 API)

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java.lang.Object
- org.apache.hadoop.hbase.regionserver.LogRoller.RollController

Enclosing class:

LogRoller
```
protected class LogRoller.RollController
extends Object
```
Independently control the roll of each wal. When use multiwal, can avoid all wal roll together. see HBASE-24665 for detail

Method Summary

Methods
Modifier and Type	Method and Description
`boolean`	`isRollRequested()`
`boolean`	`needsPeriodicRoll(long now)`
`boolean`	`needsRoll(long now)`
`void`	`requestRoll()`
`byte[][]`	`rollWal(long now)`

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

Method Detail

requestRoll
```
public void requestRoll()
```

rollWal

public byte[][] rollWal(long now)
                 throws IOException

Throws:: IOException

isRollRequested
```
public boolean isRollRequested()
```

needsPeriodicRoll

public boolean needsPeriodicRoll(long now)

needsRoll
```
public boolean needsRoll(long now)
```

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