### ----------------------------------------------------
### -- FHIR
### -- Licenses: Artistic-2.0
### -- Authors: Hugh Simpson
### -- File: t/resources/structureDefinition/date.json
### ----------------------------------------------------
{
  "resourceType" : "StructureDefinition",
  "id" : "date",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">to do</div>"
  },
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "normative"
  },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
      "valueCode" : "4.0.0"
    }],
  "url" : "http://hl7.org/fhir/StructureDefinition/date",
  "version" : "4.0.0",
  "name" : "date",
  "status" : "active",
  "date" : "2018-12-27T22:37:54+11:00",
  "publisher" : "HL7 FHIR Standard",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org/fhir"
    }]
  }],
  "description" : "Base StructureDefinition for date Type: A date or partial date (e.g. just year or year + month). There is no time zone. The format is a union of the schema types gYear, gYearMonth and date.  Dates SHALL be valid dates.",
  "fhirVersion" : "4.0.0",
  "kind" : "primitive-type",
  "abstract" : false,
  "type" : "date",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Element",
  "derivation" : "specialization",
  "snapshot" : {
    "element" : [{
      "id" : "date",
      "path" : "date",
      "short" : "Primitive Type date",
      "definition" : "A date or partial date (e.g. just year or year + month). There is no time zone. The format is a union of the schema types gYear, gYearMonth and date.  Dates SHALL be valid dates.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "date",
        "min" : 0,
        "max" : "*"
      },
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "Element"
      }],
      "isModifier" : false,
      "isSummary" : false
    },
      {
        "id" : "date.id",
        "path" : "date.id",
        "representation" : ["xmlAttr"],
        "short" : "xml:id (or equivalent in JSON)",
        "definition" : "unique id for the element within a resource (for internal references)",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Element.id",
          "min" : 0,
          "max" : "1"
        },
        "type" : [{
          "code" : "string"
        }],
        "isModifier" : false,
        "isSummary" : false
      },
      {
        "id" : "date.extension",
        "path" : "date.extension",
        "short" : "Additional content defined by implementations",
        "definition" : "May be used to represent additional information that is not part of the basic definition of the resource. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias" : ["extensions",
          "user content"],
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Element.extension",
          "min" : 0,
          "max" : "*"
        },
        "type" : [{
          "code" : "Extension"
        }],
        "isModifier" : false,
        "isSummary" : false
      },
      {
        "id" : "date.value",
        "path" : "date.value",
        "representation" : ["xmlAttr"],
        "short" : "Primitive value for date",
        "definition" : "The actual value",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "date.value",
          "min" : 0,
          "max" : "1"
        },
        "type" : [{
          "extension" : [{
            "url" : "http://hl7.org/fhir/StructureDefinition/regex",
            "valueString" : "([0-9]([0-9]([0-9][1-9]|[1-9]0)|[1-9]00)|[1-9]000)(-(0[1-9]|1[0-2])(-(0[1-9]|[1-2][0-9]|3[0-1]))?)?"
          }],
          "_code" : {
            "extension" : [{
              "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-json-type",
              "valueString" : "string"
            },
              {
                "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-xml-type",
                "valueString" : "xsd:gYear OR xsd:gYearMonth OR xsd:date"
              },
              {
                "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-rdf-type",
                "valueString" : "xsd:gYear OR xsd:gYearMonth OR xsd:date"
              }]
          }
        }],
        "isModifier" : false,
        "isSummary" : false
      }]
  },
  "differential" : {
    "element" : [{
      "id" : "date",
      "path" : "date",
      "short" : "Primitive Type date",
      "definition" : "A date or partial date (e.g. just year or year + month). There is no time zone. The format is a union of the schema types gYear, gYearMonth and date.  Dates SHALL be valid dates.",
      "min" : 0,
      "max" : "*"
    },
      {
        "id" : "date.value",
        "path" : "date.value",
        "representation" : ["xmlAttr"],
        "short" : "Primitive value for date",
        "definition" : "Primitive value for date",
        "min" : 0,
        "max" : "1",
        "type" : [{
          "extension" : [{
            "url" : "http://hl7.org/fhir/StructureDefinition/regex",
            "valueString" : "([0-9]([0-9]([0-9][1-9]|[1-9]0)|[1-9]00)|[1-9]000)(-(0[1-9]|1[0-2])(-(0[1-9]|[1-2][0-9]|3[0-1]))?)?"
          }],
          "_code" : {
            "extension" : [{
              "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-json-type",
              "valueString" : "string"
            },
              {
                "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-xml-type",
                "valueString" : "xsd:gYear OR xsd:gYearMonth OR xsd:date"
              },
              {
                "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-rdf-type",
                "valueString" : "xsd:gYear OR xsd:gYearMonth OR xsd:date"
              }]
          }
        }]
      }]
  }
}


