{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://openlineage.io/spec/2-0-2/OpenLineage.json",
  "$defs": {
    "BaseEvent": {
      "type": "object",
      "properties": {
        "eventTime": {
          "description": "the time the event occurred at",
          "type": "string",
          "format": "date-time"
        },
        "producer": {
          "description": "URI identifying the producer of this metadata. For example this could be a git url with a given tag or sha",
          "type": "string",
          "format": "uri",
          "example": "https://github.com/OpenLineage/OpenLineage/blob/v1-0-0/client"
        },
        "schemaURL": {
          "description": "The JSON Pointer (https://tools.ietf.org/html/rfc6901) URL to the corresponding version of the schema definition for this RunEvent",
          "type": "string",
          "format": "uri",
          "example": "https://openlineage.io/spec/0-0-1/OpenLineage.json"
        }
      },
      "required": ["eventTime", "producer", "schemaURL"]
    },
    "RunEvent": {
      "allOf": [
        { "$ref": "#/$defs/BaseEvent" },
        {
          "type": "object",
          "properties": {
            "eventType": {
              "description": "the current transition of the run state. It is required to issue 1 START event and 1 of [ COMPLETE, ABORT, FAIL ] event per run. Additional events with OTHER eventType can be added to the same run. For example to send additional metadata after the run is complete",
              "type": "string",
              "enum": ["START", "RUNNING", "COMPLETE", "ABORT", "FAIL", "OTHER"],
              "example": "START|RUNNING|COMPLETE|ABORT|FAIL|OTHER"
            },
            "run": {
              "$ref": "#/$defs/Run"
            },
            "job": {
              "$ref": "#/$defs/Job"
            },
            "inputs": {
              "description": "The set of **input** datasets.",
              "type": "array",
              "items": {
                "$ref": "#/$defs/InputDataset"
              }
            },
            "outputs": {
              "description": "The set of **output** datasets.",
              "type": "array",
              "items": {
                "$ref": "#/$defs/OutputDataset"
              }
            }
          },
          "required": ["run", "job"]
        }
      ]
    },
    "DatasetEvent": {
      "allOf": [
        { "$ref": "#/$defs/BaseEvent" },
        {
          "type": "object",
          "properties": {
            "dataset": {
              "$ref": "#/$defs/StaticDataset"
            }
          },
          "required": ["dataset"],
          "not": { "required": ["job", "run"] }
        }
      ]
    },
    "JobEvent": {
      "allOf": [
        { "$ref": "#/$defs/BaseEvent" },
        {
          "type": "object",
          "properties": {
            "job": {
              "$ref": "#/$defs/Job"
            },
            "inputs": {
              "description": "The set of **input** datasets.",
              "type": "array",
              "items": {
                "$ref": "#/$defs/InputDataset"
              }
            },
            "outputs": {
              "description": "The set of **output** datasets.",
              "type": "array",
              "items": {
                "$ref": "#/$defs/OutputDataset"
              }
            }
          },
          "required": ["job"],
          "not": { "required": ["run"] }
        }
      ]
    },
    "Run": {
      "type": "object",
      "properties": {
        "runId": {
          "description": "The globally unique ID of the run associated with the job.",
          "type": "string",
          "format": "uuid"
        },
        "facets": {
          "description": "The run facets.",
          "type": "object",
          "anyOf": [
            {
              "type": "object",
              "additionalProperties": { "$ref": "#/$defs/RunFacet" }
            }
          ]
        }
      },
      "required": ["runId"]
    },
    "RunFacet": {
      "description": "A Run Facet",
      "type": "object",
      "allOf": [{ "$ref": "#/$defs/BaseFacet" }]
    },
    "Job": {
      "type": "object",
      "properties": {
        "namespace": {
          "description": "The namespace containing that job",
          "type": "string",
          "example": "my-scheduler-namespace"
        },
        "name": {
          "description": "The unique name for that job within that namespace",
          "type": "string",
          "example": "myjob.mytask"
        },
        "facets": {
          "description": "The job facets.",
          "type": "object",
          "anyOf": [
            {
              "type": "object",
              "additionalProperties": { "$ref": "#/$defs/JobFacet" }
            }
          ]
        }
      },
      "required": ["namespace", "name"]
    },
    "JobFacet": {
      "description": "A Job Facet",
      "type": "object",
      "allOf": [
        { "$ref": "#/$defs/BaseFacet" },
        {
          "type": "object",
          "properties": {
            "_deleted": {
              "description": "set to true to delete a facet",
              "type": "boolean"
            }
          }
        }
      ]
    },
    "InputDataset": {
      "description": "An input dataset",
      "type": "object",
      "allOf": [
        { "$ref": "#/$defs/Dataset" },
        {
          "type": "object",
          "properties": {
            "inputFacets": {
              "description": "The input facets for this dataset.",
              "type": "object",
              "anyOf": [
                {
                  "type": "object",
                  "additionalProperties": {
                    "$ref": "#/$defs/InputDatasetFacet"
                  }
                }
              ]
            }
          }
        }
      ]
    },
    "InputDatasetFacet": {
      "description": "An Input Dataset Facet",
      "type": "object",
      "allOf": [{ "$ref": "#/$defs/BaseFacet" }]
    },
    "OutputDataset": {
      "description": "An output dataset",
      "type": "object",
      "allOf": [
        { "$ref": "#/$defs/Dataset" },
        {
          "type": "object",
          "properties": {
            "outputFacets": {
              "description": "The output facets for this dataset",
              "type": "object",
              "anyOf": [
                {
                  "type": "object",
                  "additionalProperties": {
                    "$ref": "#/$defs/OutputDatasetFacet"
                  }
                }
              ]
            }
          }
        }
      ]
    },
    "OutputDatasetFacet": {
      "description": "An Output Dataset Facet",
      "type": "object",
      "allOf": [{ "$ref": "#/$defs/BaseFacet" }]
    },
    "Dataset": {
      "type": "object",
      "properties": {
        "namespace": {
          "description": "The namespace containing that dataset",
          "type": "string",
          "example": "my-datasource-namespace"
        },
        "name": {
          "description": "The unique name for that dataset within that namespace",
          "type": "string",
          "example": "instance.schema.table"
        },
        "facets": {
          "description": "The facets for this dataset",
          "type": "object",
          "anyOf": [
            {
              "type": "object",
              "additionalProperties": { "$ref": "#/$defs/DatasetFacet" }
            }
          ]
        }
      },
      "required": ["namespace", "name"]
    },
    "StaticDataset": {
      "description": "A Dataset sent within static metadata events",
      "type": "object",
      "allOf": [{ "$ref": "#/$defs/Dataset" }]
    },
    "DatasetFacet": {
      "description": "A Dataset Facet",
      "type": "object",
      "allOf": [
        { "$ref": "#/$defs/BaseFacet" },
        {
          "type": "object",
          "properties": {
            "_deleted": {
              "description": "set to true to delete a facet",
              "type": "boolean"
            }
          }
        }
      ]
    },
    "BaseFacet": {
      "description": "all fields of the base facet are prefixed with _ to avoid name conflicts in facets",
      "type": "object",
      "properties": {
        "_producer": {
          "description": "URI identifying the producer of this metadata. For example this could be a git url with a given tag or sha",
          "type": "string",
          "format": "uri",
          "example": "https://github.com/OpenLineage/OpenLineage/blob/v1-0-0/client"
        },
        "_schemaURL": {
          "description": "The JSON Pointer (https://tools.ietf.org/html/rfc6901) URL to the corresponding version of the schema definition for this facet",
          "type": "string",
          "format": "uri",
          "example": "https://openlineage.io/spec/1-0-2/OpenLineage.json#/$defs/BaseFacet"
        }
      },
      "additionalProperties": true,
      "required": ["_producer", "_schemaURL"]
    }
  },
  "oneOf": [{ "$ref": "#/$defs/RunEvent" }, { "$ref": "#/$defs/DatasetEvent" }, { "$ref": "#/$defs/JobEvent" }]
}