de.aristaflow.adept2.model.cluster

Class ClusterNodeInformation

java.lang.Object

de.aristaflow.adept2.model.cluster.SimpleClusterNodeInformation

de.aristaflow.adept2.model.cluster.ClusterNodeInformation

All Implemented Interfaces:

java.io.Serializable

public class ClusterNodeInformation
extends SimpleClusterNodeInformation

This class provides all information concerning a cluster node. This may either be a server or a client node, which is, the global registry URIs are set or not.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected java.net.URI[]	globalRegUris The URIs of this server cluster node or null in case this node is a client or is a server that is currently not running.
protected java.net.URI[]	interNodeCommUris The URIs of the service for inter node communication of this cluster node or null if the node currently has no inter node communication service, e. g. while restarting.
protected long	lastForeignUpdate The last time the status of this cluster has been updated by a different node or -1 if the cluster node has not been updated by a different node yet.
protected long	serverLostCommCount How often this node has lost communications with the server since the last server update.
protected long	sinceLastForeignUpdate The milliseconds that elapsed since the last update by a different node.
protected long	sinceLastOwnUpdate The milliseconds that elapsed since the last update by the node itself.

Fields inherited from class de.aristaflow.adept2.model.cluster.SimpleClusterNodeInformation

clusterName, lastOwnUpdate, nodeAddress, nodeName, runningSince, status

Constructor Summary

Constructors

Constructor and Description
ClusterNodeInformation(java.lang.String clusterName, java.lang.String nodeName, java.lang.String nodeAddress, Status status, long lastOwnUpdate, long sinceLastOwnUpdate, long lastForeignUpdate, long sinceLastForeignUpdate, long runningSince, java.net.URI[] globalRegUris, java.net.URI[] interNodeCommUris, long serverLostCommCount) Creates information for a specific cluster node.

Method Summary

Modifier and Type	Method and Description
java.net.URI[]	getGlobalRegUris() Gets the URIs of this server cluster node or null in case this node is a client or the URIs of the server cannot be retrieved (server is not running).
java.net.URI[]	getInterNodeCommUris() Gets the URIs of the service for inter node communication of this cluster node or null if the node currently has no inter node communication service, e. g. while restarting.
long	getLastForeignUpdate() Gets the last time the status of this cluster has been updated by a different node or -1 if the cluster node has not been updated by a different node yet.
long	getServerLostCommCount() Gets how often this node has lost communications with the server since the last server update.
long	getSinceLastForeignUpdate() Gets the time in milliseconds that elapsed since the last update by a different node.
long	getSinceLastOwnUpdate() Gets the time in milliseconds that elapsed since the last update by the node itself.

Methods inherited from class de.aristaflow.adept2.model.cluster.SimpleClusterNodeInformation

getClusterName, getLastOwnUpdate, getNodeAddress, getNodeName, getRunningSince, getStatus

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

sinceLastOwnUpdate

protected final long sinceLastOwnUpdate

The milliseconds that elapsed since the last update by the node itself.

lastForeignUpdate

protected final long lastForeignUpdate

The last time the status of this cluster has been updated by a different node or -1 if the cluster node has not been updated by a different node yet.

sinceLastForeignUpdate

protected final long sinceLastForeignUpdate

The milliseconds that elapsed since the last update by a different node. This will be Long.MAX_VALUE if no different node has updated the node.

globalRegUris

protected final java.net.URI[] globalRegUris

The URIs of this server cluster node or null in case this node is a client or is a server that is currently not running.

interNodeCommUris

protected final java.net.URI[] interNodeCommUris

The URIs of the service for inter node communication of this cluster node or null if the node currently has no inter node communication service, e. g. while restarting.

serverLostCommCount

protected final long serverLostCommCount

How often this node has lost communications with the server since the last server update.

Constructor Detail

ClusterNodeInformation

public ClusterNodeInformation(java.lang.String clusterName,
                              java.lang.String nodeName,
                              java.lang.String nodeAddress,
                              Status status,
                              long lastOwnUpdate,
                              long sinceLastOwnUpdate,
                              long lastForeignUpdate,
                              long sinceLastForeignUpdate,
                              long runningSince,
                              java.net.URI[] globalRegUris,
                              java.net.URI[] interNodeCommUris,
                              long serverLostCommCount)

Creates information for a specific cluster node.

Parameters:

clusterName - The name of this cluster.

nodeName - The name of this cluster node.

nodeAddress - The address of this cluster node or null in case it is not known.

status - The status of this cluster node.

lastOwnUpdate - The last time the status of this cluster has been updated by the node itself or -1 if the cluster node has not been updated yet.

sinceLastOwnUpdate - The milliseconds that elapsed since the last update by the node itself.

lastForeignUpdate - The last time the status of this cluster has been updated by a different node or -1 if the cluster node has not been updated by a different yet.

sinceLastForeignUpdate - The milliseconds that elapsed since the last update by a different node or Long.MAX_VALUE.

runningSince - The time since when this cluster node is running or -1 if the cluster node is not running yet.

globalRegUris - The URIs of this server cluster node or null in case this node is a client.

interNodeCommUris - The URIs of the service for inter node communication of this cluster node or null if the node currently has no inter node communication service, e. g. while restarting.

serverLostCommCount - How often this node has lost communications with the server since the last server update.

Method Detail

getSinceLastOwnUpdate

public long getSinceLastOwnUpdate()

Gets the time in milliseconds that elapsed since the last update by the node itself.

Returns:

The time in milliseconds that elapsed since the last update by the node itself.

getLastForeignUpdate

public long getLastForeignUpdate()

Gets the last time the status of this cluster has been updated by a different node or -1 if the cluster node has not been updated by a different node yet.

Returns:

The last time the status of this cluster has been updated by a different node node itself or -1 if the cluster node has not been updated by a different node yet.

getSinceLastForeignUpdate

public long getSinceLastForeignUpdate()

Gets the time in milliseconds that elapsed since the last update by a different node. This will be Long.MAX_VALUE if no different node has updated the node.

Returns:

The time in milliseconds that elapsed since the last update by a different node. This will be Long.MAX_VALUE if no different node has updated the node.

getGlobalRegUris

public java.net.URI[] getGlobalRegUris()

Gets the URIs of this server cluster node or null in case this node is a client or the URIs of the server cannot be retrieved (server is not running).

Returns:

The URIs of this server cluster node or null in case this node is a client or the URIs of the server cannot be retrieved (server is not running).

getInterNodeCommUris

public java.net.URI[] getInterNodeCommUris()

Gets the URIs of the service for inter node communication of this cluster node or null if the node currently has no inter node communication service, e. g. while restarting.

Returns:

The URIs of the service for inter node communication of this cluster node or null if the node currently has no inter node communication service, e. g. while restarting.

getServerLostCommCount

public long getServerLostCommCount()

Gets how often this node has lost communications with the server since the last server update.

Returns:

How often this node has lost communications with the server since the last server update.