com.alibaba.csp.sentinel.node

Class EntranceNode

java.lang.Object

com.alibaba.csp.sentinel.node.StatisticNode

com.alibaba.csp.sentinel.node.DefaultNode

com.alibaba.csp.sentinel.node.EntranceNode

All Implemented Interfaces:

Node, OccupySupport, DebugSupport

public class EntranceNode
extends DefaultNode

A Node represents the entrance of the invocation tree.

One Context will related to a EntranceNode, which represents the entrance of the invocation tree. New EntranceNode will be created if current context does't have one. Note that same context name will share same EntranceNode globally.

Author:

qinan.qn

See Also:

ContextUtil, ContextUtil.enter(String, String), NodeSelectorSlot

Constructor Summary

Constructors

Constructor and Description
EntranceNode(ResourceWrapper id, ClusterNode clusterNode)

Method Summary

Modifier and Type	Method and Description
double	avgRt() Get average rt per second.
double	blockQps() Get block request per second.
long	blockRequest() Get blocked request count per minute (totalBlockRequest).
int	curThreadNum() Get current active thread count.
double	passQps() Get pass request per second.
double	successQps() Get Entry.exit() request per second.
long	totalPass() Get pass count per minute.
double	totalQps() Get Node.passQps() + Node.blockQps() request per second.
long	totalRequest() Get incoming request per minute (pass + block).

Methods inherited from class com.alibaba.csp.sentinel.node.DefaultNode

addChild, addPassRequest, addRtAndSuccess, decreaseThreadNum, getChildList, getClusterNode, getId, increaseBlockQps, increaseExceptionQps, increaseThreadNum, printDefaultNode, removeChildList, setClusterNode

Methods inherited from class com.alibaba.csp.sentinel.node.StatisticNode

addOccupiedPass, addWaitingRequest, debug, exceptionQps, maxSuccessQps, metrics, minRt, occupiedPassQps, previousBlockQps, previousPassQps, rawMetricsInMin, reset, totalException, totalSuccess, tryOccupyNext, waiting

Methods inherited from class java.lang.Object

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

Constructor Detail

EntranceNode

public EntranceNode(ResourceWrapper id,
                    ClusterNode clusterNode)

Method Detail

avgRt

public double avgRt()

Description copied from interface: Node

Get average rt per second.

Specified by:

avgRt in interface Node

Overrides:

avgRt in class StatisticNode

Returns:

average response time per second

blockQps

public double blockQps()

Description copied from interface: Node

Get block request per second.

Specified by:

blockQps in interface Node

Overrides:

blockQps in class StatisticNode

Returns:

QPS of blocked requests

blockRequest

public long blockRequest()

Description copied from interface: Node

Get blocked request count per minute (totalBlockRequest).

Specified by:

blockRequest in interface Node

Overrides:

blockRequest in class StatisticNode

Returns:

total blocked request count per minute

curThreadNum

public int curThreadNum()

Description copied from interface: Node

Get current active thread count.

Specified by:

curThreadNum in interface Node

Overrides:

curThreadNum in class StatisticNode

Returns:

current active thread count

totalQps

public double totalQps()

Description copied from interface: Node

Get Node.passQps() + Node.blockQps() request per second.

Specified by:

totalQps in interface Node

Overrides:

totalQps in class StatisticNode

Returns:

QPS of passed and blocked requests

successQps

public double successQps()

Description copied from interface: Node

Get Entry.exit() request per second.

Specified by:

successQps in interface Node

Overrides:

successQps in class StatisticNode

Returns:

QPS of completed requests

passQps

public double passQps()

Description copied from interface: Node

Get pass request per second.

Specified by:

passQps in interface Node

Overrides:

passQps in class StatisticNode

Returns:

QPS of passed requests

totalRequest

public long totalRequest()

Description copied from interface: Node

Get incoming request per minute (pass + block).

Specified by:

totalRequest in interface Node

Overrides:

totalRequest in class StatisticNode

Returns:

total request count per minute

totalPass

public long totalPass()

Description copied from interface: Node

Get pass count per minute.

Specified by:

totalPass in interface Node

Overrides:

totalPass in class StatisticNode

Returns:

total passed request count per minute