org.gridgain.grid.streamer.index

Interface GridStreamerIndexEntry<E,K,V>

All Known Implementing Classes:

GridStreamerIndexProviderAdapter.DedupTrackingEntry, GridStreamerIndexProviderAdapter.Entry, GridStreamerIndexProviderAdapter.EventTrackingEntry, GridStreamerIndexProviderAdapter.NonTrackingEntry

public interface GridStreamerIndexEntry<E,K,V>

Streamer index entry. Individual index entry contains index key, value, and all events associated with given key.

Method Summary

Methods

Modifier and Type	Method and Description
Collection<E>	events() Gets events associated with given index key and value.
K	key() Gets index entry key.
V	value() Gets index entry value.

Method Detail

events

@Nullable
Collection<E> events()

Gets events associated with given index key and value.

Events are tracked only if GridStreamerIndexProvider.getPolicy() is set to GridStreamerIndexPolicy.EVENT_TRACKING_ON or GridStreamerIndexPolicy.EVENT_TRACKING_ON_DEDUP.

Returns:

Events associated with given index key and value or null if event tracking is off.

key

K key()

Gets index entry key.

Returns:

Index entry key.

value

V value()

Gets index entry value.

For sorted indexes, the sorting happens based on this value.

Returns:

Index entry value.