{
  "id": "EchoProcess",
  "title": "Echo Process",
  "description": "This process accepts and number of input and simple echoes each input as an output.",
  "version": "1.0.0",
  "jobControlOptions": [
    "async-execute",
    "sync-execute"
  ],
  "outputTransmission": [
    "value",
    "reference"
  ],
  "inputs": {
    "stringInput": {
      "title": "String Literal Input Example",
      "description": "This is an example of a STRING literal input.",
      "schema": {
        "type": "string",
        "enum": [
          "Value1",
          "Value2",
          "Value3"
        ]
      }
    },
    "measureInput": {
      "title": "Numerical Value with UOM Example",
      "description": "This is an example of a NUMERIC literal with an associated unit of measure.",
      "schema": {
        "type": "object",
        "required": [
          "value",
          "uom"
        ],
        "properties": {
          "measurement": {
            "type": "number"
          },
          "uom": {
            "type": "string"
          },
          "reference": {
            "type": "string",
            "format": "uri"
          }
        }
      }
    },
    "dateInput": {
      "title": "Date Literal Input Example",
      "description": "This is an example of a DATE literal input.",
      "schema": {
        "type": "string",
        "format": "dateTime"
      }
    },
    "doubleInput": {
      "title": "Bounded Double Literal Input Example",
      "description": "This is an example of a DOUBLE literal input that is bounded between a value greater than 0 and 10.  The default value is 5.",
      "schema": {
        "type": "number",
        "format": "double",
        "minimum": 0,
        "maximum": 10,
        "default": 5,
        "exclusiveMinimum": true
      }
    },
    "arrayInput": {
      "title": "Array Input Example",
      "description": "This is an example of a single process input that is an array of values.  In this case, the input array would be interpreted as a single value and not as individual inputs.",
      "schema": {
        "type": "array",
        "minItems": 2,
        "maxItems": 10,
        "items": {
          "type": "integer"
        }
      }
    },
    "complexObjectInput": {
      "title": "Complex Object Input Example",
      "description": "This is an example of a complex object input.",
      "schema": {
        "type": "object",
        "required": [
          "property1",
          "property5"
        ],
        "properties": {
          "property1": {
            "type": "string"
          },
          "property2": {
            "type": "string",
            "format": "uri"
          },
          "property3": {
            "type": "number"
          },
          "property4": {
            "type": "string",
            "format": "dateTime"
          },
          "property5": {
            "type": "boolean"
          }
        }
      }
    },
    "geometryInput": {
      "title": "Geometry input",
      "description": "This is an example of a geometry input.  In this case the geometry can be expressed as a GML of GeoJSON geometry.",
      "minOccurs": 2,
      "maxOccurs": 5,
      "schema": {
        "oneOf": [
          {
            "type": "string",
            "contentMediaType": "application/gml+xml; version=3.2",
            "contentSchema": "http://schemas.opengis.net/gml/3.2.1/geometryBasic2d.xsd"
          },
          {
            "allOf": [
              {
                "format": "geojson-geometry"
              },
              {
                "$ref": "http://schemas.opengis.net/ogcapi/features/part1/1.0/openapi/schemas/geometryGeoJSON.yaml"
              }
            ]
          }
        ]
      }
    },
    "boundingBoxInput": {
      "title": "Bounding Box Input Example",
      "description": "This is an example of a BBOX literal input.",
      "schema": {
        "allOf": [
          {
            "format": "ogc-bbox"
          },
          {
            "$ref": "../../openapi/schemas/bbox.yaml"
          }  
        ]
      }
    },
    "imagesInput": {
      "title": "Inline Images Value Input",
      "description": "This is an example of an image input.  In this case, the input is an array of up to 150 images that might, for example, be a set of tiles.  The oneOf[] conditional is used to indicate the acceptable image content types; GeoTIFF and JPEG 2000 in this case.  Each input image in the input array can be included inline in the execute request as a base64-encoded string or referenced using the link.yaml schema.  The use of a base64-encoded string is implied by the specification and does not need to be specified in the definition of the input.",
      "minOccurs": 1,
      "maxOccurs": 150,
      "schema": {
        "oneOf": [
          {
            "type": "string",
            "contentEncoding": "binary",
            "contentMediaType": "application/tiff; application=geotiff"
          },
          {
            "type": "string",
            "contentEncoding": "binary",
            "contentMediaType": "application/jp2"
          }
        ]
      }
    },
    "featureCollectionInput": {
      "title": "Feature Collection Input Example.",
      "description": "This is an example of an input that is a feature collection that can be encoded in one of three ways: as a GeoJSON feature collection, as a GML feature collection retrieved from a WFS or as a KML document.",
      "schema": {
        "oneOf": [
          {
            "type": "string",
            "contentMediaType": "application/gml+xml; version=3.2"
          },
          {
            "type": "string",
            "contentSchema": "https://schemas.opengis.net/kml/2.3/ogckml23.xsd",
            "contentMediaType": "application/vnd.google-earth.kml+xml"
          },
          {
            "allOf": [
              {
                "format": "geojson-feature-collection"
              },
              {
                "$ref": "https://geojson.org/schema/FeatureCollection.json"
              }
            ]
          }
        ]
      }
    }
  },
  "outputs": {
    "stringOutput": {
      "schema": {
        "type": "string",
        "enum": [
          "Value1",
          "Value2",
          "Value3"
        ]
      }
    },
    "measureOutput": {
      "schema": {
        "type": "object",
        "required": [
          "value",
          "uom"
        ],
        "properties": {
          "measurement": {
            "type": "number"
          },
          "uom": {
            "type": "string"
          },
          "reference": {
            "type": "string",
            "format": "uri"
          }
        }
      }
    },
    "dateOutput": {
      "schema": {
        "type": "string",
        "format": "dateTime"
      }
    },
    "doubleOutput": {
      "schema": {
        "type": "number",
        "format": "double",
        "minimum": 0,
        "maximum": 10,
        "default": 5,
        "exclusiveMinimum": true
      }
    },
    "arrayOutput": {
      "schema": {
        "type": "array",
        "minItems": 2,
        "maxItems": 10,
        "items": {
          "type": "integer"
        }
      }
    },
    "complexObjectOutput": {
      "schema": {
        "type": "object",
        "required": [
          "property1",
          "property5"
        ],
        "properties": {
          "property1": {
            "type": "string"
          },
          "property2": {
            "type": "string",
            "format": "uri"
          },
          "property3": {
            "type": "number"
          },
          "property4": {
            "type": "string",
            "format": "dateTime"
          },
          "property5": {
            "type": "boolean"
          }
        }
      }
    },
    "geometryOutput": {
      "schema": {
        "oneOf": [
          {
            "type": "string",
            "contentMediaType": "application/gml+xml",
            "contentSchema": "http://schemas.opengis.net/gml/3.2.1/geometryBasic2d.xsd"
          },
          {
            "allOf": [
              {
                "format": "geojson-geometry"
              },
              {
                "$ref": "http://schemas.opengis.net/ogcapi/features/part1/1.0/openapi/schemas/geometryGeoJSON.yaml"
              }
            ]
          }
        ]
      }
    },
    "boundingBoxOutput": {
      "schema": {
        "allOf": [
           {
             "format": "ogc-bbox"
           },
           {
             "$ref": "../../openapi/schemas/bbox.yaml"
           }
        ]
      }
    },
    "imagesOutput": {
      "schema": {
        "oneOf": [
          {
            "type": "string",
            "contentEncoding": "binary",
            "contentMediaType": "application/tiff; application=geotiff"
          },
          {
            "type": "string",
            "contentEncoding": "binary",
            "contentMediaType": "application/jp2"
          }
        ]
      }
    },
    "featureCollectionOutput": {
      "schema": {
        "oneOf": [
          {
            "type": "string",
            "contentMediaType": "application/gml+xml; version=3.2"
          },
          {
            "type": "string",
            "contentMediaType": "application/vnd.google-earth.kml+xml",
            "contentSchema": "https://schemas.opengis.net/kml/2.3/ogckml23.xsd"
          },
          {
            "allOf": [
              {
                "format": "geojson-feature-collection"
              },
              {
                "$ref": "https://geojson.org/schema/FeatureCollection.json"
              }
            ]
          }
        ]
      }
    }
  },
  "links": [
    {
      "href": "https://processing.example.org/oapi-p/processes/EchoProcess/execution",
      "rel": "http://www.opengis.net/def/rel/ogc/1.0/execute",
      "title": "Execute endpoint"
    }
  ]
}