org.apache.ignite.internal.cache.query.index.sorted.keys

Class NullIndexKey

java.lang.Object

org.apache.ignite.internal.cache.query.index.sorted.keys.NullIndexKey

All Implemented Interfaces:

IndexKey

public class NullIndexKey
extends Object
implements IndexKey

Represents null value stored in index row or query.

Field Summary

Fields

Modifier and Type	Field and Description
static NullIndexKey	INSTANCE Instance.

Method Summary

Modifier and Type	Method and Description
int	compare(IndexKey o)
Object	key()
int	type()

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final NullIndexKey INSTANCE

Instance.

Method Detail

compare

public int compare(IndexKey o)

Specified by:

compare in interface IndexKey

Returns:

Comparison result with other IndexKey the same type.

key

public Object key()

Specified by:

key in interface IndexKey

Returns:

Value of this key.

type

public int type()

Specified by:

type in interface IndexKey

Returns:

Index key type IndexKeyTypes.