Dataset

{
    "$schema": "https://json-schema.org/draft/2020-12/schema#",
    "$id": "https://hdfgroup.org/schemas/hdf5/json/dataset.schema.json",
    "title": "HDF5/JSON Dataset Schema",
    "description": "JSON Schema describing HDF5 dataset.",
    "type": "object",
    "$defs": {
        "dataset": {
            "type": "object",
            "patternProperties": {
                "^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$": {
                    "type": "object",
                    "properties": {
                        "alias": {
                            "description": "HDF5 dataset path names",
                            "type": "array",
                            "minItems": 1,
                            "items": {
                                "type": "string",
                                "pattern": "^(/[^/]+)+$"
                            }
                        },
                        "type": {
                            "description": "HDF5 dataset's datatype.",
                            "$ref": "datatypes.schema.json#/$defs/datatype"
                        },
                        "shape": {
                            "description": "HDF5 dataset's shape.",
                            "type": "object",
                            "minProperties": 1,
                            "$ref": "dataspaces.schema.json#/$defs/dataspace"
                        },
                        "creationProperties": {
                            "type": "object",
                            "properties": {
                                "allocTime": {
                                    "type": "string",
                                    "enum": [
                                        "H5D_ALLOC_TIME_DEFAULT",
                                        "H5D_ALLOC_TIME_EARLY",
                                        "H5D_ALLOC_TIME_INCR",
                                        "H5D_ALLOC_TIME_LATE"
                                    ]
                                },
                                "attributeCreationOrder": {
                                    "type": "string",
                                    "enum": [
                                        "H5P_CRT_ORDER_TRACKED",
                                        "H5P_CRT_ORDER_INDEXED"
                                    ]
                                },
                                "attributePhaseChange": {
                                    "type": "object",
                                    "properties": {
                                        "maxCompact": {
                                            "type": "integer",
                                            "minimum": 0
                                        },
                                        "minDense": {
                                            "type": "integer",
                                            "minimum": 0
                                        }
                                    },
                                    "required": [
                                        "maxCompact",
                                        "minDense"
                                    ]
                                },
                                "fillTime": {
                                    "type": "string",
                                    "enum": [
                                        "H5D_FILL_TIME_IFSET",
                                        "H5D_FILL_TIME_ALLOC",
                                        "H5D_FILL_TIME_NEVER"
                                    ]
                                },
                                "fillValue": {
                                    "anyOf": [
                                        {
                                            "type": "string"
                                        },
                                        {
                                            "type": "number"
                                        },
                                        {
                                            "type": "null"
                                        },
                                        {
                                            "type": "array"
                                        }
                                    ]
                                },
                                "trackTimes": {
                                    "type": "boolean"
                                },
                                "filters": {
                                    "type": "array",
                                    "minItems": 1,
                                    "items": {
                                        "$ref": "filters.schema.json#/$defs/filter"
                                    }
                                },
                                "layout": {
                                    "oneOf": [
                                        {
                                            "type": "object",
                                            "properties": {
                                                "class": {
                                                    "const": "H5D_COMPACT"
                                                }
                                            },
                                            "required": [
                                                "class"
                                            ]
                                        },
                                        {
                                            "type": "object",
                                            "properties": {
                                                "class": {
                                                    "const": "H5D_CHUNKED"
                                                },
                                                "dims": {
                                                    "type": "array",
                                                    "minItems": 1,
                                                    "items": {
                                                        "type": "integer",
                                                        "exclusiveMinimum": 0
                                                    }
                                                }
                                            },
                                            "required": [
                                                "class",
                                                "dims"
                                            ]
                                        },
                                        {
                                            "type": "object",
                                            "properties": {
                                                "class": {
                                                    "const": "H5D_CONTIGUOUS"
                                                },
                                                "externalStorage": {
                                                    "type": "array",
                                                    "minItems": 1,
                                                    "items": {
                                                        "type": "object",
                                                        "properties": {
                                                            "name": {
                                                                "type": "string"
                                                            },
                                                            "offset": {
                                                                "type": "integer",
                                                                "minimum": 0
                                                            },
                                                            "size": {
                                                                "type": "integer",
                                                                "exclusiveMinimum": 0
                                                            }
                                                        }
                                                    }
                                                }
                                            },
                                            "required": [
                                                "class"
                                            ]
                                        }
                                    ]
                                }
                            },
                            "required": [
                                "layout"
                            ]
                        },
                        "value": {
                            "oneOf": [
                                {
                                    "type": "string"
                                },
                                {
                                    "type": "number"
                                },
                                {
                                    "type": "array"
                                },
                                {
                                    "type": "null"
                                }
                            ]
                        },
                        "attributes": {
                            "description": "All attributes of one HDF5 dataset.",
                            "type": "array",
                            "$ref": "attribute.schema.json#/$defs/attributes"
                        }
                    },
                    "required": [
                        "type",
                        "shape"
                    ]
                }
            },
            "additionalProperties": false
        }
    }
}