Package org.apache.iotdb.confignode.manager.load.cache.node

Class ConfigNodeHeartbeatCache

java.lang.Object

org.apache.iotdb.confignode.manager.load.cache.AbstractLoadCache

org.apache.iotdb.confignode.manager.load.cache.node.BaseNodeCache

org.apache.iotdb.confignode.manager.load.cache.node.ConfigNodeHeartbeatCache

public class ConfigNodeHeartbeatCache
extends BaseNodeCache

Heartbeat cache for cluster ConfigNodes.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	CURRENT_NODE_ID	Only get CURRENT_NODE_ID here due to initialization order.
static final NodeStatistics	CURRENT_NODE_STATISTICS

Fields inherited from class org.apache.iotdb.confignode.manager.load.cache.node.BaseNodeCache

nodeId

Fields inherited from class org.apache.iotdb.confignode.manager.load.cache.AbstractLoadCache

currentStatistics, failureDetector, slidingWindow

Constructor Summary

Constructors

Constructor	Description
ConfigNodeHeartbeatCache(int configNodeId)	Constructor for create ConfigNodeHeartbeatCache with default NodeStatistics.
ConfigNodeHeartbeatCache(int configNodeId, NodeStatistics statistics)	Constructor only for ConfigNode-leader.

Method Summary

Modifier and Type	Method	Description
void	updateCurrentStatistics(boolean forceUpdate)	Update currentStatistics based on the latest heartbeat sample that cached in the slidingWindow.

Methods inherited from class org.apache.iotdb.confignode.manager.load.cache.node.BaseNodeCache

getLoadScore, getNodeId, getNodeStatus, getNodeStatusWithReason

Methods inherited from class org.apache.iotdb.confignode.manager.load.cache.AbstractLoadCache

cacheHeartbeatSample, getCurrentStatistics, getLastSample

Methods inherited from class java.lang.Object

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

Field Details

CURRENT_NODE_ID

public static final int CURRENT_NODE_ID

Only get CURRENT_NODE_ID here due to initialization order.

CURRENT_NODE_STATISTICS

public static final NodeStatistics CURRENT_NODE_STATISTICS

Constructor Details

ConfigNodeHeartbeatCache

public ConfigNodeHeartbeatCache(int configNodeId)

Constructor for create ConfigNodeHeartbeatCache with default NodeStatistics.

ConfigNodeHeartbeatCache

public ConfigNodeHeartbeatCache(int configNodeId,
 NodeStatistics statistics)

Constructor only for ConfigNode-leader.

Method Details

updateCurrentStatistics

public void updateCurrentStatistics(boolean forceUpdate)

Description copied from class: AbstractLoadCache

Update currentStatistics based on the latest heartbeat sample that cached in the slidingWindow.

Specified by:

updateCurrentStatistics in class AbstractLoadCache