org.hbase.async

Class FirstKeyOnlyFilter

java.lang.Object

org.hbase.async.ScanFilter

org.hbase.async.FirstKeyOnlyFilter

public class FirstKeyOnlyFilter
extends ScanFilter

A filter that will only return the first KV from each row. This filter can be used to more efficiently perform row count operations.

Field Summary

Fields

Modifier and Type	Field and Description
static int	kFirstKeyOnlyFilter

Constructor Summary

Constructors

Constructor and Description
FirstKeyOnlyFilter()

Method Summary

Methods

Modifier and Type	Method and Description
protected String	getId()
protected com.google.protobuf.ByteString	getState()
String	toString()

Methods inherited from class org.hbase.async.ScanFilter

getFilterId

Methods inherited from class java.lang.Object

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

Field Detail

kFirstKeyOnlyFilter

public static final int kFirstKeyOnlyFilter

See Also:

Constant Field Values

Constructor Detail

FirstKeyOnlyFilter

public FirstKeyOnlyFilter()

Method Detail

toString

public String toString()

Overrides:

toString in class Object

getState

protected com.google.protobuf.ByteString getState()

Specified by:

getState in class ScanFilter

getId

protected String getId()

Specified by:

getId in class ScanFilter