Alert Struct Reference

An alert, indicating some sort of incident in the public transit network. More...

Public Types
enum	Cause {   UNKNOWN_CAUSE = 1, OTHER_CAUSE = 2, TECHNICAL_PROBLEM = 3, STRIKE = 4,   DEMONSTRATION = 5, ACCIDENT = 6, HOLIDAY = 7, WEATHER = 8,   MAINTENANCE = 9, CONSTRUCTION = 10, POLICE_ACTIVITY = 11, MEDICAL_EMERGENCY = 12 }
	Cause of this alert. More...
enum	Effect {   NO_SERVICE = 1, REDUCED_SERVICE = 2, SIGNIFICANT_DELAYS = 3, DETOUR = 4,   ADDITIONAL_SERVICE = 5, MODIFIED_SERVICE = 6, OTHER_EFFECT = 7, UNKNOWN_EFFECT = 8,   STOP_MOVED = 9 }
	What is the effect of this problem on the affected entity. More...

Public Attributes
repeated TimeRange	active_period = 1
	Time when the alert should be shown to the user. More...
repeated EntitySelector	informed_entity = 5
	Entities whose users we should notify of this alert.
optional Cause	cause = 6 [default = UNKNOWN_CAUSE]
optional Effect	effect = 7 [default = UNKNOWN_EFFECT]
optional TranslatedString	url = 8
	The URL which provides additional information about the alert.
optional TranslatedString	header_text = 10
	Alert header. Contains a short summary of the alert text as plain-text.
optional TranslatedString	description_text = 11
	Full description for the alert as plain-text. More...
extensions	to
	The extensions namespace allows 3rd-party developers to extend the GTFS-realtime specification in order to add and evaluate new features and modifications to the spec. More...

Detailed Description

An alert, indicating some sort of incident in the public transit network.

Member Enumeration Documentation

enum Alert::Cause

Cause of this alert.

Enumerator
OTHER_CAUSE	Not machine-representable.
STRIKE	Public transit agency employees stopped working.
DEMONSTRATION	People are blocking the streets.

enum Alert::Effect

What is the effect of this problem on the affected entity.

Enumerator
SIGNIFICANT_DELAYS	We don't care about INsignificant delays: they are hard to detect, have little impact on the user, and would clutter the results as they are too frequent.

Member Data Documentation

repeated TimeRange Alert::active_period = 1

Time when the alert should be shown to the user.

If missing, the alert will be shown as long as it appears in the feed. If multiple ranges are given, the alert will be shown during all of them.

optional TranslatedString Alert::description_text = 11

Full description for the alert as plain-text.

The information in the description should add to the information of the header.

extensions Alert::to

The extensions namespace allows 3rd-party developers to extend the GTFS-realtime specification in order to add and evaluate new features and modifications to the spec.

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The documentation for this struct was generated from the following file:

• gtfs-realtime.proto