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124 changes: 124 additions & 0 deletions CHANGELOG.md
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# Changelog of CEN OJP XSD

This document contains an overview of the changes between the versions of CEN OJP.

All notable changes to this project will be documented in this file. The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),

The releases can be found at https://github.com/VDVde/OJP/releases

## [1.1] - Not released yet

### Added

* Added `IncludeHierarchy` in `StopEventRequest` to allow including either parts, or the complete hierarchy of the stop point/stop place if known.
[#96](https://github.com/VDVde/OJP/pull/96)
* Added `NoBoardingAtStop` and `NoAlightingAtStop` to `Call` structures.
[#91](https://github.com/VDVde/OJP/pull/91)
* Added parameters `ExcludePlacesContext` and `ExcludeSituationsContext` to allow excluding `PlacesContext` and `SituationsContext`.
[#83](https://github.com/VDVde/OJP/pull/83)
* Added parameter `NoSight` to `BaseTripMobilityFilterGroup` to allow requesting a trip for a blind user.
[#36](https://github.com/VDVde/OJP/pull/36)
* Added a `TripStatusGroup` consisting of parameters which describe the current status of a trip, e.g. `Cancelled` / `Delayed` / `Infeasible`.
[#116](https://github.com/VDVde/OJP/pull/116)
* Added an optional `ProductCategory` of a `Service`. As defined in NeTEx and SIRI, a product category is a classification for VEHICLE JOURNEYs
to express some common properties of journeys for marketing and fare products.
[#95](https://github.com/VDVde/OJP/pull/95) [#113](https://github.com/VDVde/OJP/pull/113)
* Added `DistributorInterchangeId` in `LegBoardStructure` and `FeederInterchangeId` in `LegAlightStructure` to allow transporting an arbitrary
identifier for feeding service at alighting and distributing service at boarding, which is independent of JourneyRef.
[#61](https://github.com/VDVde/OJP/pull/61)
* Added `AdditionalTime` in `Mode` to allow adding time to the actual travel time needed to use a specific mode.
[#30](https://github.com/VDVde/OJP/pull/30)
* Added `MimeType` and `Embeddable` to `WebLinkStructure`.
[#59](https://github.com/VDVde/OJP/pull/59)
* Added `WaitDuration` to `ExchangePointsResultStructure` to allow defining a duration needed at an exchange point to change from one service
to another.
[#58](https://github.com/VDVde/OJP/pull/58)
* Added `Extension` to `DatedJourneyStructure` and `ContinuousServiceStructure`.
[#92](https://github.com/VDVde/OJP/pull/92)
* Added `AllowedSystemId` to `InitialInputStructure`: In a distributed environment, a place information request can refer to several regional
systems. This parameter allows the client to restrict the request to a specific system.
[#63](https://github.com/VDVde/OJP/pull/63)
* Added `ReferredSystemId` in `TopographicPlaceStructure`: In a distributed environment, the process of place identification can be a two-step
process. In the first step, a topographic place (e.g. city, municipality) is identified from the user input, in the second step, the system
related to the topographic place is queried for places. In order to do so, the topographic places from the first step need to carry the
information which system they relate to.
[#62](https://github.com/VDVde/OJP/pull/62)
* Added `ProtoProduct` in `FareProductStructure` to allow carrying product related information to be processed further and used for tariffing
in a distributed environment, where OJP services can deliver only parts of a fare product.
[#60](https://github.com/VDVde/OJP/pull/60)
* Added private modes to `PlaceContextStructure/IndividualTransportOptions` (allowing for scooter, ride-pool-car, car-sharing, cycle-sharing, scooter-sharing)
[#127](https://github.com/VDVde/OJP/pull/127)
* Added valid v1.1 examples of OJP requests and responses.
[#115](https://github.com/VDVde/OJP/pull/115) [#126](https://github.com/VDVde/OJP/pull/126)
* Added `OJP_All.xsd` and changed directory structure.
[#117](https://github.com/VDVde/OJP/pull/117)
* Added scripts to generate documentation tables HTML from XSD.
[#131](https://github.com/VDVde/OJP/pull/131) [#154](https://github.com/VDVde/OJP/pull/154)


### Changed

* Renamed `Location` to `Place`:
According to TRANSMODEL a "location" is only a geographical position, while a "place" consists of a location and other attributes.
This change distinguishes the two terms properly, which were used inconsistently in OJP. In most cases the term "location" was
replaced by the term "place". This applies to type and element names but also to annotations.
[#82](https://github.com/VDVde/OJP/pull/82) [#99](https://github.com/VDVde/OJP/pull/99)
* Renamed `PrivateCode` to `DomainCode`.
[#94](https://github.com/VDVde/OJP/pull/94)
* Renamed `PublishedLineName` to `PublishedServiceName`.
[#89](https://github.com/VDVde/OJP/pull/89)
* Replaced `AcceptDeferredDelivery` in `TripPolicyFilterGroup` by `TripSummaryOnly` in `TripContentFilterGroup` as the parameter to control
whether to deliver complete trips or only trip summaries. The concept of a deferred delivery has been removed. Additionally, replaced
`MultiPointTripContentFilterGroup` in `MultiPointTripParamStructure` by `TripContentFilterGroup` as legs are mandatory within trip results.
[#109](https://github.com/VDVde/OJP/pull/109)
* Allow multiple languages to be requested and returned.
[#32](https://github.com/VDVde/OJP/pull/32)
* Simplified all ResponseContexts to use a single `ResponseContextStructure`.
[#39](https://github.com/VDVde/OJP/pull/39)
* Renamed `InfoURL` to `InfoUrl`.
[#31](https://github.com/VDVde/OJP/pull/31)
* Changed `BookingUrl` and `InfoUrl` in `BookingArrangementStructure` to contain a `Label` and a `Url` instead of only referring to `xs:anyURI`,
changed `InfoUrl` in `GeneralAttributeStructure` to `Url`.
[#123](https://github.com/VDVde/OJP/pull/123)
* Set the default value `anyPoint` for `MultiPointType` in `MultiPointTripPolicyGroup` so the default response does not have to contain a trip
result for each of the given origins and destinations but only for one of them.
[#98](https://github.com/VDVde/OJP/pull/98)
* Allowed `TransferLimit` to be `0` to allow requesting a multi trip without transfers.
[#123](https://github.com/VDVde/OJP/pull/123)
* Aligned annotation with the CEN documentation.
[#57](https://github.com/VDVde/OJP/pull/57)
* Clarified only referenced places and situations should be put into the `ResponseContext`.
[#107](https://github.com/VDVde/OJP/pull/107)
* Moved `ResponseContextStructure` to `OJP_RequestSupport.xsd`.
[#110](https://github.com/VDVde/OJP/pull/110)
* Optimized formatting of the files.
[#74](https://github.com/VDVde/OJP/pull/74)
* Allow `TransferLimit` to be 0 in `MultiPointTripRequest` as well (like done for `TripRequest` in v1.0.1).
[#129](https://github.com/VDVde/OJP/pull/129)
* Changed `Places` to new type `PlacesStructure` in `ResponseContextStructure`.
[#150](https://github.com/VDVde/OJP/pull/150)
* Changed `TopographicPlaceStructureArea` to new type `AreaStructure`, changed `LegTrackStructure/LinkProjection` to new type `LinkProjectionStructure`.
[#155](https://github.com/VDVde/OJP/pull/155)
* Changed `CallAtStopStructure`, `LegBoardStructure`, `LegAlightStructure` and `LegIntermediateStructure` to new types
`ServiceArrivalStructure` and `ServiceDepartureStructure`.
[#156](https://github.com/VDVde/OJP/pull/156)

### Removed
* Omit unused requests and responses.
[#76](https://github.com/VDVde/OJP/pull/76)
* Removed unused structures.
[#55](https://github.com/VDVde/OJP/pull/55)


## [1.0.1] - 2019-02-26

### Changed
* Allowed `TransferLimit` to be `0` to allow requesting a trip without transfers.
[#7](https://github.com/VDVde/OJP/pull/7)
* Allowed `NumberOfResultsBefore` and `NumberOfResultsAfter` to be `0` to allow requesting trips only before or after a given time.
[#3](https://github.com/VDVde/OJP/pull/3)


## [1.0.0] - 2018-06-08

Initial release, published as [CEN/TS 17118:2017](https://standards.cen.eu/dyn/www/f?p=204:110:0::::FSP_PROJECT:62236&cs=1985DBD613F25D179FB65A73B0FDA4DB7)
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# OJP - *O*pen API for distributed *J*ourney *P*lanning

## Content
This repository contains the XSD, examples and documentation tables for the
"**O**pen API for distributed **J**ourney **P**lanning" published as
*"CEN/TS 17118:2017: "Intelligent transport systems - Public transport - Open API for distributed journey planning"*.

OJP consists of a set of services that can be addressed using HTTP requests.

The main services to request information are:
* Place Information
* Stop Events (arrival and departure boards)
* Searching for Trips
* Information about a given Trip
* Information about Fares for Trips

OJP systems interacting with each other additionally use:
* Getting information about Exchange Points (places when a Trip switches from one OJP system to another)


## Standard document

Obtain a copy of the standard document
["CEN/TS 17118:2017: "Intelligent transport systems - Public transport - Open API for distributed journey planning"](https://standards.cen.eu/dyn/www/f?p=204:110:0::::FSP_PROJECT:62236&cs=1985DBD613F25D179FB65A73B0FDA4DB7)
at [CEN](https://www.cen.eu).

## Repository

Download the XSD schema files and examples in the git repository found at https://github.com/VDVde/OJP and take a look at the [documentation tables](https://vdvde.github.io/OJP/generated/OJP.html).


## Regulatory environment of OJP
The ITS Directive Delegated Regulation for provision of EU-wide multimodal travel information services is the legal framework for travel data access and distributed journey planning in Europe. This initiative will provide the necessary requirements to make EU-wide multimodal travel information services accurate and available across borders. One of the key requirements concerns linking travel information services for distributed journey planning. Upon request, travel information service providers shall provide to another information service provider "routing results" based on static, and where possible, dynamic information. The "routing results" shall be based on:
* the enquirers start and end points of a journey along with the specific time and date of departure or arrival, or both;
* possible travel options along with the specific time and date of departure or arrival, or both, including any possible connections;
* the handover point between travel information services;
* in case of disturbances, alternative possible travel options along with the specific time and date of departure or arrival, or both, and any connections, where available.

The Delegated Regulation recommends that the CEN OPEN API standard for distributed journey planning is used by local, regional and national travel information service providers.