{
    "$schema": "http://json-schema.org/draft-07/schema#",
    "$id": "https://w3id.org/ieee/ieee-2791-schema/execution_domain.json",
    "type": "object",
    "title": "Execution Domain",
    "description": "The fields required for execution of the IEEE-2791 Object are herein encapsulated together in order to clearly separate information needed for deployment, software configuration, and running applications in a dependent environment",
    "required": [
        "script",
        "script_driver",
        "software_prerequisites",
        "external_data_endpoints",
        "environment_variables"
    ],
    "additionalProperties": false,
    "properties": {
        "script": {
            "type": "array",
            "description": "points to a script object or objects that was used to perform computations for this IEEE-2791 Object instance.",
            "items": {
                "additionalProperties": false,
                "properties": {
                    "uri": {
                        "$ref": "2791object.json#/definitions/uri"
                    }
                }
			}
        },
        "script_driver": {
            "type": "string",
            "description": "Indication of the kind of executable that can be launched in order to perform a sequence of commands described in the script in order to run the pipelin",
            "examples": [
                "hive",
                "cwl-runner",
                "shell"
            ]
        },
        "software_prerequisites": {
            "type": "array",
            "description": "Minimal necessary prerequisites, library, tool versions needed to successfully run the script to produce this IEEE-2791 Object.",
            "items": {
                "type": "object",
                "description": "A necessary prerequisite, library, or tool version.",
                "required": [
                    "name",
                    "version",
                    "uri"
                ],
                "additionalProperties": false,
                "properties": {
                    "name": {
                        "type": "string",
                        "description": "Names of software prerequisites",
                        "examples": [
                            "HIVE-hexagon"
                        ]
                    },
                    "version": {
                        "type": "string",
                        "description": "Versions of the software prerequisites",
                        "examples": [
                            "babajanian.1"
                        ]
                    },
                    "uri": {
                        "$ref": "2791object.json#/definitions/uri"
                    }
                }
            }
        },
        "external_data_endpoints": {
            "type": "array",
            "description": "Minimal necessary domain-specific external data source access in order to successfully run the script to produce this IEEE-2791 Object.",
            "items": {
                "type": "object",
                "description": "Requirement for network protocol endpoints used by a pipeline’s scripts, or other software.",
                "required": [
                    "name",
                    "url"
                ],
                "additionalProperties": false,
                "properties": {
                    "name": {
                        "type": "string",
                        "description": "Description of the service that is accessed",
                        "examples": [
                            "HIVE",
                            "access to e-utils"
                        ]
                    },
                    "url": {
                        "type": "string",
                        "description": "The endpoint to be accessed.",
                        "examples": [
                            "https://hive.biochemistry.gwu.edu/dna.cgi?cmd=login"
                        ]
                    }
                }
            }
        },
        "environment_variables": {
            "type": "object",
            "description": "Environmental parameters that are useful to configure the execution environment on the target platform.",
            "additionalProperties": false,
            "patternProperties": {
                "^[a-zA-Z_]+[a-zA-Z0-9_]*$": {
                    "type": "string"
                }
            }
        }
    }
}