com.opencloud.sentinel.feature.impl

Class NullSentinelFeature

java.lang.Object

com.opencloud.sentinel.feature.impl.BaseFeature<NullSentinelSessionState,FeatureEndpoint>

com.opencloud.sentinel.feature.impl.NullSentinelFeature

All Implemented Interfaces:

SentinelFeature

public class NullSentinelFeature
extends BaseFeature<NullSentinelSessionState,FeatureEndpoint>

NullSentinelFeature is used by Sentinel if a feature that does not exist is referenced in a feature execution script. NullSentinelFeature responds with featureCannotStart with an message containing the name of the unknown feature that was requested.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	NAME

Constructor Summary

Constructors

Constructor and Description
NullSentinelFeature(java.lang.String name, java.lang.String factoryName, FeatureEndpoint caller, Facilities facilities, NullSentinelSessionState sessionState)

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.String	getFeatureName() All features have a unique name
void	startFeature(java.lang.Object trigger, java.lang.Object activity, javax.slee.ActivityContextInterface aci) Responds with featureCannotStart to inform core that an unknown feature was requested.

Methods inherited from class com.opencloud.sentinel.feature.impl.BaseFeature

abortFeature, dependenciesInjected, getCaller, getFacilities, getSessionState, getTracer, startFeature

Methods inherited from class java.lang.Object

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

Field Detail

NAME

public static final java.lang.String NAME

See Also:

Constant Field Values

Constructor Detail

NullSentinelFeature

public NullSentinelFeature(java.lang.String name,
                   java.lang.String factoryName,
                   FeatureEndpoint caller,
                   Facilities facilities,
                   NullSentinelSessionState sessionState)

Method Detail

getFeatureName

public final java.lang.String getFeatureName()

Description copied from interface: SentinelFeature

All features have a unique name

Returns:

the name of this feature

startFeature

public void startFeature(java.lang.Object trigger,
                java.lang.Object activity,
                javax.slee.ActivityContextInterface aci)

Responds with featureCannotStart to inform core that an unknown feature was requested.

Parameters:

trigger - a triggering context. The feature implementation must be able to cast this to a useful type for it to run

activity - the slee activity object this feature is related to (may be null)

aci - the activity context interface of the slee activity this feature is related to