Package clustering_stub provides a stubbed implementation of the clustering package.

Query Node is part of a cluster (could be a single node cluster).

Query Node is disconnected from datastore.

read operations (e.g.

system administrator operations (e.g.

Query Node is running by itself, it is not part of a cluster.

Query Node is starting up.

Query Node is in the process of shutting down.

Query Node is not part of a cluster.

Standard QueryNodeOptions implementation - this can be used by all configstore implementations.

Standard Standalone implementation - this can be used by all configstore implementations.

Standard Version implementation - this can be used by all configstore implementations.

Cluster is a named collection of Query Nodes.

ClusterManager is the interface the actions that can be done to a Cluster; it is intended to support the lifecycle of QueryNodes - addition and removal of QueryNodes from a Cluster.

ConfigurationManager is the interface for managing cluster lifecycles - addition and removal of clusters from the ConfigurationStore.

ConfigurationStore represents a store for maintaining all cluster configuration data.

QueryNode is the configuration for a single instance of a Query Engine.

Version provides a abstraction of logical software version for Query Nodes; it could represent server build version or API version.