org.apache.hadoop.hbase.regionserver.compactions

Class CompactionWindow

java.lang.Object

org.apache.hadoop.hbase.regionserver.compactions.CompactionWindow

Direct Known Subclasses:

ExponentialCompactionWindowFactory.Window

@InterfaceAudience.Private
public abstract class CompactionWindow
extends Object

Base class for compaction window implementation.

Constructor Summary

Constructors

Constructor and Description
CompactionWindow()

Method Summary

Modifier and Type	Method and Description
abstract int	compareToTimestamp(long timestamp) Compares the window to a timestamp.
abstract long	endMillis() Exclusive upper bound
abstract CompactionWindow	nextEarlierWindow() Move to the new window of the same tier or of the next tier, which represents an earlier time span.
abstract long	startMillis() Inclusive lower bound
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

CompactionWindow

public CompactionWindow()

Method Detail

compareToTimestamp

public abstract int compareToTimestamp(long timestamp)

Compares the window to a timestamp.

Parameters:

timestamp - the timestamp to compare.

Returns:

a negative integer, zero, or a positive integer as the window lies before, covering, or after than the timestamp.

nextEarlierWindow

public abstract CompactionWindow nextEarlierWindow()

Move to the new window of the same tier or of the next tier, which represents an earlier time span.

Returns:

The next earlier window

startMillis

public abstract long startMillis()

Inclusive lower bound

endMillis

public abstract long endMillis()

Exclusive upper bound

toString

public String toString()

Overrides:

toString in class Object