org.apache.samza.storage.kv

Interface KeyValueSnapshot<K,V>

Type Parameters:

K - key type

V - value type

public interface KeyValueSnapshot<K,V>

An immutable view of the KeyValueStore at a point-in-time. The snapshot MUST be closed after use.

Method Summary

Modifier and Type	Method and Description
void	close() Closes this snapshot releasing any associated resources.
KeyValueIterator<K,V>	iterator() Creates a new iterator for this snapshot.

Method Detail

iterator

KeyValueIterator<K,V> iterator()

Creates a new iterator for this snapshot. The iterator MUST be closed after its execution by invoking KeyValueIterator.close().

Returns:

an iterator

close

void close()

Closes this snapshot releasing any associated resources. Once a snapshot is closed, no new iterators can be created for it.