Package com.arpnetworking.configuration.triggers

Class UriTrigger

java.lang.Object

com.arpnetworking.configuration.triggers.UriTrigger

All Implemented Interfaces:

Trigger

public final class UriTrigger
extends Object
implements Trigger

Trigger implementation based on a uri's last modified date and ETag. Either can trigger a reload; the last modified if is later than the previous value or the ETag if it differs from the previous value. If the uri is unavailable it is not considered changed to prevent flickering caused by connectivity or server issues.

Author:

Ville Koskela (ville dot koskela at inscopemetrics dot io)

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	UriTrigger.Builder	Builder implementation for UriTrigger.

Method Summary

Modifier and Type	Method	Description
boolean	evaluateAndReset()	Evaluate the trigger.
Object	toLogValue()	Generate a Steno log compatible representation.
String	toString()

Methods inherited from class java.lang.Object

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

Method Details

evaluateAndReset

public boolean evaluateAndReset()

Description copied from interface: Trigger

Evaluate the trigger. True indicates the trigger has been tripped. Evaluating the trigger will reset its state and the trigger will not return true again until it is tripped again.

Specified by:

evaluateAndReset in interface Trigger

Returns:

True if and only if the trigger has been tripped.

toLogValue

public Object toLogValue()

Generate a Steno log compatible representation.

Returns:

Steno log compatible representation.

toString

public String toString()

Overrides:

toString in class Object