Ecore.json

{
  "$schema" : "http://json-schema.org/draft-07/schema#",
  "$ref" : "#/definitions/EPackage",
  "definitions" : {
    "EPackage" : {
      "type" : "object",
      "properties" : {
        "eClass" : {
          "type" : "string"
        },
        "name" : {
          "type" : "string"
        },
        "nsURI" : {
          "type" : "string"
        },
        "eClassifiers" : {
          "type" : "array",
          "minItems" : 0,
          "items" : {
            "$ref" : "#/definitions/EClassifier"
          }
        }
      },
      "required" : [ "eClass", "name", "nsURI" ],
      "additionalProperties" : false
    },
    "EClass" : {
      "type" : "object",
      "properties" : {
        "eClass" : {
          "type" : "string"
        },
        "name" : {
          "type" : "string"
        },
        "eStructuralFeatures" : {
          "type" : "array",
          "minItems" : 0,
          "items" : {
            "$ref" : "#/definitions/EStructuralFeature"
          }
        }
      },
      "required" : [ "eClass", "name" ],
      "additionalProperties" : false
    },
    "EAttribute" : {
      "type" : "object",
      "properties" : {
        "eClass" : {
          "type" : "string"
        },
        "name" : {
          "type" : "string"
        },
        "eType" : {
          "type" : "string"
        },
        "upperBound" : {
          "type" : "integer",
          "minimum" : -1,
          "maximum" : 0
        }
      },
      "required" : [ "eClass", "name", "eType", "upperBound" ]
    },
    "EReference" : {
      "type" : "object",
      "properties" : {
        "eClass" : {
          "type" : "string"
        },
        "name" : {
          "type" : "string"
        },
        "eType" : {
          "type" : "string"
        },
        "upperBound" : {
          "type" : "integer",
          "minimum" : -1,
          "maximum" : 0
        }
      },
      "required" : [ "eClass", "name", "eType" ]
    },
    "EStructuralFeature" : {
      "anyOf" : [ {
        "$ref" : "#/definitions/EAttribute"
      }, {
        "$ref" : "#/definitions/EReference"
      } ]
    },
    "EClassifier" : {
      "oneOf" : [ {
        "$ref" : "#/definitions/EClass"
      } ]
    }
  }
}