com.atlassian.jira.cluster

Interface ClusterManager

All Superinterfaces:

ClusterInfo

All Known Implementing Classes:

DefaultClusterManager

public interface ClusterManager
extends ClusterInfo

Manages the cluster - addition of nodes, removal, etc

Since:

v6.1

Field Summary

Fields

Modifier and Type	Field and Description
static String	ALL_NODES
static String	ANY_NODE

Method Summary

Modifier and Type	Method and Description
void	checkIndex()
Collection<Node>	findLiveNodes() Returns a snapshot of the live nodes.
Set<Node>	getAllNodes() Returns all the nodes in the cluster.
boolean	isActive()
boolean	isClusterLicensed() Returns whether or not JIRA is licensed for clustered configurations.
void	refreshLiveNodes() Merges the information from the heartbeat table and the clusternode table to give accurate information of which nodes are alive.
void	requestCurrentIndexFromNode(String node) We send a message to the node we wish a copy from.

Methods inherited from interface com.atlassian.jira.cluster.ClusterInfo

getNodeId, isClustered

Field Detail

ALL_NODES

static final String ALL_NODES

See Also:

Constant Field Values

ANY_NODE

static final String ANY_NODE

See Also:

Constant Field Values

Method Detail

checkIndex

void checkIndex()

isActive

boolean isActive()

getAllNodes

Set<Node> getAllNodes()

Returns all the nodes in the cluster. If not clustered this will return an empty set.

Returns:

a collection of Nodes in a cluster

isClusterLicensed

boolean isClusterLicensed()

Returns whether or not JIRA is licensed for clustered configurations.

Returns:

whether or not JIRA is licensed for clustered configurations.

Since:

6.3

requestCurrentIndexFromNode

void requestCurrentIndexFromNode(String node)

We send a message to the node we wish a copy from.

Parameters:

node - Node to send the message to get an Index Copy from.

findLiveNodes

Collection<Node> findLiveNodes()

Returns a snapshot of the live nodes. This collection is refreshed in every heartbeat of the server. Or you can force it calling refreshLiveNodes()

Returns:

the list of nodes that are alive.

refreshLiveNodes

void refreshLiveNodes()

Merges the information from the heartbeat table and the clusternode table to give accurate information of which nodes are alive.

Since:

6.3.4