Documentation
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"_id": "6283af5802ad3d70e315cb6e",
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"_version": "1.0.14",
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"_info": {
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"_creationInfo": {
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"_user": {
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"_username": "fabio.sinibaldi"
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},
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"_context": {
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"_id": "/gcube/devsec/devVRE",
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"_name": "/devVRE"
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},
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"_instant": "2022-05-17T16:21:12.399"
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},
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"_lastEditInfo": {
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"_user": {
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"_username": "fabio.sinibaldi"
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},
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"_context": {
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"_id": "/gcube/devsec/devVRE",
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"_name": "/devVRE"
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},
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"_instant": "2022-05-17T16:22:04.328"
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},
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"_access": {
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"_policy": "OPEN",
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"_license": ""
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}
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"_creationInfo": {"_user": {"_username": "fabio.sinibaldi"},
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"_context": {"_id": "/gcube/devsec/devVRE","_name": "/devVRE"},
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"_instant": "2022-05-17T16:21:12.399"},
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"_lastEditInfo": {"_user": {"_username": "fabio.sinibaldi"},
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"_context": {"_id": "/gcube/devsec/devVRE","_name": "/devVRE"},
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"_instant": "2022-05-17T16:22:04.328"},
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"_access": {"_policy": "OPEN","_license": ""}
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},
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"_profileID": "profiledConcessioni",
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"_profileVersion": "1.0.0",
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@ -0,0 +1,5 @@
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.. _lifecycle-management:
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####################
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Lifecycle Management
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####################
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@ -7,12 +7,13 @@ Project Model
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:doc:`suite` allows to manage the publication lifecycle of complex documents called **Projects** , i.e. documents made by :
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* A lot of different set of files (pdf, docs, imgs, GIS data, csv...)
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* A custom metadata model (mixed information, data description, repetible complex fields..)
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* Common publication management metadata (author, creation date, version, publication phase, moderation messages, operation log)
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- A lot of different set of files (pdf, docs, imgs, GIS data, csv...)
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- A custom metadata model (mixed information, data description, repetible complex fields..)
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- Common publication management metadata (author, creation date, version, publication phase, moderation messages, operation log)
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.. image:: _static/imgs/project.png
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.. figure:: _static/imgs/project.png
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:alt: Project
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A Project contains both metadata and related FileSets
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.. note:: Every **Project** is associated to a :doc:`ucd` that defines among other things its structure, its lifecycle, access rules etc..
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@ -20,34 +21,231 @@ Project Model
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*****************
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Project structure
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*****************
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A **Project** is a JSON Document with the following sections :
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A **Project** is a represented as a JSON Document with the following sections :
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- :ref:`core` : Basic management information e.g. id, version, ucd..
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- :ref:`publication` : Information about author, editor, access, logs..
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- :ref:`document` : Custom metadata managed by clients, including references to FileSets and their manifestations
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- :ref:`lifecycle` : Information on the status of the Project, its publication phase, related error messages..
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- :ref:`relationships` : List of relations towards other projects
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- :ref:`references` : List of record about indexing and identification (e.g. centroids coordinates, temporal reference, catalogues references..)
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.. _core:
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================
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Core Information
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================
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Basic information for the management of a project can be found in the following fields ::
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=====================
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Lifecycle Information
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=====================
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{
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"_id": "6283af5802ad3d70e315cb6e",
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"_version": "1.0.14",
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"_profileID": "...",
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"_profileVersion": "1.0.0",
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...
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}
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======================
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Accounting Information
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======================
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.. _publication:
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================
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Publication Information
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================
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Publication information contains :
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- Creation Info : user, context and time of creation
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- Last Edit Info : user, context and time of last edit operation
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- Access : policy and license ID
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Following is an example of this section, that can be accessed at path ``$._info`` ::
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"_info": {
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"_creationInfo": {"_user": {"_username": "fabio.sinibaldi"},
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"_context": {"_id": "/gcube/devsec/devVRE","_name": "/devVRE"},
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"_instant": "2022-05-17T16:21:12.399"},
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"_lastEditInfo": {"_user": {"_username": "fabio.sinibaldi"},
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"_context": {"_id": "/gcube/devsec/devVRE","_name": "/devVRE"},
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"_instant": "2022-05-17T16:22:04.328"},
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"_access": {"_policy": "OPEN","_license": ""}
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}
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.. _document:
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============
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The Document
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============
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Custom metadata managed by the user is stored as a JSON object at path ``$._theDocument``.
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Its structure is strongly dependant on both
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- :ref:`ucd` : each use case might define a different document structure and different handler configurations
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- :ref:`lifecycle-management` : content of this section might vary during its lifecycle due to manual operation, automatic metadata enhancement.
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Along with other custom metadata, this section contains references to registered :ref:`filesets`, which in turn can present multiple :ref:`manifestations`.
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.. note:: Filesets are set of files representing a single entity, which need to be handled together (e.g. a dataset and its index, a file and its crc).
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.. _filesets:
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FileSets
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********
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Inside the document section, can be found registered **FileSets**.
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.. note:: Filesets are set of files representing a single entity, which need to be handled together (e.g. a dataset and its index, a file and its crc).
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They represent a set of files stored in gCube Workspace with associated :
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- uuid : unique identifier of the fileset, useful for JSON paths
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- creation Info : user, context, instant time of fileset registration
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- access : policy and license
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- folder ID : gCube Workspace folder ID containing the fileset
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- payloads : list of registered files
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- :ref:`manifestations` : information on generated manifestations of the fileset
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.. warning:: Filesets fields need to be defined in :ref:`ucd` in order to be registered.
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Following is an example of a fileset with no materializations ::
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"...":{
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"_uuid": "..",
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"_creationInfo":{"_user":{"_username": "FAKE"},
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"_context":{"_id": "/pred4s/preprod/preVRE","_name": "/preVRE"},
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"_instant": "2022-02-28T16:53:30.115"},
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"_access":{"_policy": "OPEN","_license": ""},
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"_folderID": "8d38c0de-04f2-4463-a263-edfd6cec175a",
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"_payloads":[
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{"_mimetype": "application/x-shapefile",
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"_storageID": "bc801242-aac1-4228-99c5-d2c762c24331",
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"_link": "https://data-pre.d4science.org/shub/E_MHlKeXN1SWhSd1hpY2tsaHZhZjVhV2NrWkg5QUtnVGVGUE9EWWlMMGVBbjN3ajNjTUU3M0pYUE1nTmZGV2ZVWQ==",
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"_name": "pos.shp"}],
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"_materializations":[]
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}
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.. _manifestations:
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Manifestations
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****************
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Filesets can be processed in various way by exploiting gCube Applications capabilities e.g.
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- GIS Dataset can be published on gCube SDI in order to consult them as live maps
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- Images can be processed in order to generate previews
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- Dataset can be pushed onto DBMS
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- Analytics engine can be used to extract information from datasets
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- ...
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Either by deploying a dataset onto specific engine or by generating other resources by processing the fileset, we register this new information as a fileset **manifestation**.
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The :ref:`suite` relies on :ref:`plugins` in order to deal with specific tasks (dealing with DataMiner, publishing on SDI, pushing to gCat..).
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A manifestation contains at least the following information :
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- type : This field instructs the consumer on the nature of the manifestation.
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.. warning:: Since the structure of the manifestation changes from type to type in order to satisfy specific requirements, clients are expected to know the structure of expected manifestations. Check below for known manifestation formats.
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.. _known-manifestations:
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Known Manifestations Types
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--------------------------
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Following is a list of known manifestation types and reference examples
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gCube SDI Layer
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~~~~~~~~~~~~~~~
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``type : gcube-sdi-layer``
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It represents a gCube SDI layer, accessible via various ogc links (expected at list wms and wfs).
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It contains the following fields :
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- ogcLinks : map of OGC-Protocol -> endpoint to consume the layer
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- bbox : layer bounding box
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- platform info : Platform specific info (expected types ``GeoServer``, ``GeoNetwork``, ``Thredds``)
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Following is an example of a layer served by a GeoServer platform ::
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{"_type": "gcube-sdi-layer",
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"_ogcLinks":[{"wms": "https://geoserver1-t.pre.d4science.org/geoserver/profiledconcessioni_pred4s_preprod_prevre_621ceff6eddbbb1c62c9d4ae/wms?service=WMS&version=1.1.0&request=GetMap&layers=profiledconcessioni_pred4s_preprod_prevre_621ceff6eddbbb1c62c9d4ae:pos&styles=&bbox=8.620919,40.629750,8.621179,40.630258&srs=EPSG:4326&format=application/openlayers&width=400&height=400"}],
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"_bbox":{"_maxX": 8.621178639172953,
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"_minX": 40.630257904721645,
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"_maxY": 8.62091913167495,
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"_minY": 40.62975046683799},
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"_platformInfo":[{
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"_type": "Geoserver",
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"workspace": "profiledconcessioni_pred4s_preprod_prevre_621ceff6eddbbb1c62c9d4ae",
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"layerName": "pos",
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"persistencePath": "profiledConcessioni/621ceff6eddbbb1c62c9d4ae/147add5d-aa09-418c-a5cb-aa761c7498c5/pos",
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"files":["pos.shp"],
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"storeName": "pos_store"
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}
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]
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}
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Known Manifestations
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====================
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.. _lifecycle:
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=====================
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Lifecycle Information
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=====================
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This section reports the status of the **Project** in relation to its configured :ref:`lifecycle-management`.
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.. note:: **Projects** can be configured with different workflows, comprising of STEPS, PHASES and related events to be triggered.
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Check out :ref:`lifecycle-management` section.
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In particular it contains the following information:
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- Phase, Last Invoked Step : heavily dependant on configured :ref:`lifecycle-management`
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- Last operation Status : valid values are ``OK``, ``ERROR`` and ``WARNING``
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- Error and Warning messages : expected not empty if status != OK
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- Triggered Events : list of reports for triggered events (check :ref:`lifecycle-management`)
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- Notes : It contains user's note if specified on last operation
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Following is an example of this section, which is accessible at path ``$._lifecycleInformation`` ::
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"_lifecycleInformation": {
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"_phase": "DRAFT",
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"_lastInvokedStep": null,
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"_lastOperationStatus": "OK",
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"_errorMessages": [],
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"_warningMessages": [],
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"_triggeredEvents": [
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{
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"event": "INIT_DOCUMENT",
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"lastOperationStatus": "OK",
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"errorMessages": null,
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"warningMessages": null
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}
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],
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"_notes": null
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}
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.. _relationships:
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=============
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Relationships
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=============
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This section contains a list of JSON object representing a link toward another **project**.
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A relation is comprised of
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- relationship name : the name of the relations, user defined.
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- target id : the id of the target project
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- target UCD [optional]: the UCD of the target project, if different from the parent's
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.. note:: Relationships can be navigated by asking the service a relationship chain.
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.. _references:
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=========================
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Identification References
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=========================
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Identification references is a list of JSON objects containing information needed to identify the project in indexes and collections, eg :
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- Temporal reference allow to identify the project in a temporal axis
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- Spatial references allow to identify the project in 2D / 3D GIS Maps
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- Catalogue references allow to identify the project in gCube catalogues (e.g. CKAN, GeoNetwork..)
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