com.alibaba.csp.sentinel.property

Class NoOpSentinelProperty

java.lang.Object

com.alibaba.csp.sentinel.property.NoOpSentinelProperty

All Implemented Interfaces:

SentinelProperty<Object>

public final class NoOpSentinelProperty
extends Object
implements SentinelProperty<Object>

A SentinelProperty that will never inform the PropertyListener on it.

Author:

leyou

Constructor Summary

Constructors

Constructor and Description
NoOpSentinelProperty()

Method Summary

Modifier and Type	Method and Description
void	addListener(PropertyListener<Object> listener) Add a PropertyListener to this SentinelProperty.
void	removeListener(PropertyListener<Object> listener) Remove the PropertyListener on this.
boolean	updateValue(Object newValue) Update the newValue as the current value of this property and inform all PropertyListeners added on this only when new newValue is not Equals to the old value.

Methods inherited from class java.lang.Object

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

Constructor Detail

NoOpSentinelProperty

public NoOpSentinelProperty()

Method Detail

addListener

public void addListener(PropertyListener<Object> listener)

Description copied from interface: SentinelProperty

Add a PropertyListener to this SentinelProperty. After the listener is added, SentinelProperty.updateValue(Object) will inform the listener if needed.

This method can invoke multi times to add more than one listeners.

Specified by:

addListener in interface SentinelProperty<Object>

Parameters:

listener - listener to add.

removeListener

public void removeListener(PropertyListener<Object> listener)

Description copied from interface: SentinelProperty

Remove the PropertyListener on this. After removing, SentinelProperty.updateValue(Object) will not inform the listener.

Specified by:

removeListener in interface SentinelProperty<Object>

Parameters:

listener - the listener to remove.

updateValue

public boolean updateValue(Object newValue)

Description copied from interface: SentinelProperty

Update the newValue as the current value of this property and inform all PropertyListeners added on this only when new newValue is not Equals to the old value.

Specified by:

updateValue in interface SentinelProperty<Object>

Parameters:

newValue - the new value.

Returns:

true if the value in property has been updated, otherwise false