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

Interface IndexKey

All Known Implementing Classes:

BooleanIndexKey, ByteIndexKey, BytesIndexKey, CacheJavaObjectIndexKey, DateIndexKey, DateTimeIndexKey, DecimalIndexKey, DoubleIndexKey, FloatIndexKey, IntegerIndexKey, JavaObjectIndexKey, LongIndexKey, NullIndexKey, NumericIndexKey, PlainJavaObjectIndexKey, ShortIndexKey, SignedBytesIndexKey, StringIndexKey, TimeIndexKey, TimestampIndexKey, UuidIndexKey

public interface IndexKey

Class that represnts a single index key.

Method Summary

Modifier and Type	Method and Description
int	compare(IndexKey o)
default boolean	isComparableTo(IndexKey k)
Object	key()
IndexKeyType	type()

Method Detail

key

Object key()

Returns:

Value of this key.

type

IndexKeyType type()

Returns:

Index key type IndexKeyType.

compare

int compare(IndexKey o)
     throws IgniteCheckedException

Returns:

Comparison result with other IndexKey.

Throws:

IgniteCheckedException

isComparableTo

default boolean isComparableTo(IndexKey k)

Returns:

True if index key can be compared to another index key (in case keys have different types).