Package org.apache.polaris.persistence.nosql.nodeids.spi

Interface NodeStore

public interface NodeStore

Abstraction of nodes persistence for the node management implementation.

Method Summary

Modifier and Type	Method	Description
Optional<NodeState>	fetch(int nodeId)
NodeState[]	fetchMany(int... nodeIds)
NodeState	persist(int nodeId, Optional<NodeState> expectedNodeState, NodeState newState)

Method Details

fetch

Optional<NodeState> fetch(int nodeId)

fetchMany

@Nonnull
NodeState[] fetchMany(@Nonnull
 int... nodeIds)

persist

@Nullable
NodeState persist(int nodeId,
 Optional<NodeState> expectedNodeState,
 @Nonnull
 NodeState newState)