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avro-avsc-json-schema.json
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avro-avsc-json-schema.json
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{
"$schema": "http://json-schema.org/draft-06/schema#",
"title": "Avro Schema Definition",
"description": "Json-Schema definition for Avro AVSC files.",
"definitions": {
"avroSchema": {
"title": "Avro Schema",
"description": "Root Schema",
"oneOf": [
{ "$ref": "#/definitions/types" }
]
},
"types": {
"title": "Avro Types",
"description": "Allowed Avro types",
"oneOf": [
{ "$ref": "#/definitions/primitiveType" },
{ "$ref": "#/definitions/customTypeReference" },
{ "$ref": "#/definitions/avroRecord" },
{ "$ref": "#/definitions/avroEnum" },
{ "$ref": "#/definitions/avroArray" },
{ "$ref": "#/definitions/avroMap" },
{ "$ref": "#/definitions/avroFixed" },
{ "$ref": "#/definitions/avroUnion" }
]
},
"primitiveType": {
"title": "Primitive Type",
"description": "Basic type primitives.",
"type":"string",
"enum": [
"null",
"boolean",
"int",
"long",
"float",
"double",
"bytes",
"string"
]
},
"customTypeReference": {
"title": "Custom Type",
"description": "Reference to a ComplexType",
"not": { "$ref": "#/definitions/primitiveType" },
"type": "string",
"pattern": "^[A-Za-z_][A-Za-z0-9_]*(\\.[A-Za-z_][A-Za-z0-9_]*)*$"
},
"avroUnion": {
"title": "Union",
"description": "A Union of types",
"type": "array",
"items": { "$ref": "#/definitions/avroSchema" },
"minItems": 1
},
"avroField": {
"title": "Field",
"description": "A field within a Record",
"type": "object",
"properties": {
"name": { "$ref": "#/definitions/name" },
"type": { "$ref": "#/definitions/types" },
"doc": { "type": "string" },
"default": { },
"order": { "enum": ["ascending", "descending", "ignore"] },
"aliases": { "type": "array", "items": { "$ref": "#/definitions/name" } }
},
"required": ["name", "type"]
},
"avroRecord": {
"title": "Record",
"description": "A Record",
"type": "object",
"properties": {
"type": {"type":"string", "enum": ["record"]},
"name": { "$ref": "#/definitions/name" },
"namespace": { "$ref": "#/definitions/namespace" },
"doc": { "type": "string" },
"aliases": { "type": "array", "items": { "$ref": "#/definitions/name" } },
"fields": { "type": "array", "items": { "$ref": "#/definitions/avroField" } }
},
"required": ["type", "name", "fields"]
},
"avroEnum": {
"title": "Enum",
"description": "An enumeration",
"type": "object",
"properties": {
"type": {"type":"string", "enum": ["enum"]},
"name": { "$ref": "#/definitions/name" },
"namespace": { "$ref": "#/definitions/namespace" },
"doc": { "type": "string" },
"aliases": { "type": "array", "items": { "$ref": "#/definitions/name" } },
"symbols": { "type": "array", "items": { "$ref": "#/definitions/name" } }
},
"required": ["type", "name", "symbols"]
},
"avroArray": {
"title": "Array",
"description": "An array",
"type": "object",
"properties": {
"type": {"type":"string", "enum": ["array"]},
"name": { "$ref": "#/definitions/name" },
"namespace": { "$ref": "#/definitions/namespace" },
"doc": { "type": "string" },
"aliases": { "type": "array", "items": { "$ref": "#/definitions/name" } },
"items": { "$ref": "#/definitions/avroSchema" }
},
"required": ["type", "items"]
},
"avroMap": {
"title": "Map",
"description": "A map of values",
"type": "object",
"properties": {
"type": {"type":"string", "enum": ["map"]},
"name": { "$ref": "#/definitions/name" },
"namespace": { "$ref": "#/definitions/namespace" },
"doc": { "type": "string" },
"aliases": { "type": "array", "items": { "$ref": "#/definitions/name" } },
"values": { "$ref": "#/definitions/avroSchema" }
},
"required": ["type", "values"]
},
"avroFixed": {
"title": "Fixed",
"description": "A fixed sized array of bytes",
"type": "object",
"properties": {
"type": {"type":"string", "enum": ["fixed"]},
"name": { "$ref": "#/definitions/name" },
"namespace": { "$ref": "#/definitions/namespace" },
"doc": { "type": "string" },
"aliases": { "type": "array", "items": { "$ref": "#/definitions/name" } },
"size": {"type":"number"}
},
"required": ["type", "name", "size"]
},
"name": {
"type": "string",
"pattern": "^[A-Za-z_][A-Za-z0-9_]*$"
},
"namespace": {
"type": "string",
"pattern": "^([A-Za-z_][A-Za-z0-9_]*(\\.[A-Za-z_][A-Za-z0-9_]*)*)*$"
}
},
"oneOf": [
{ "$ref": "#/definitions/avroSchema" }
]
}