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attribute-definition.go
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attribute-definition.go
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package tosca_v2_0
import (
"github.com/tliron/kutil/ard"
"github.com/tliron/puccini/tosca"
"github.com/tliron/puccini/tosca/normal"
)
//
// AttributeDefinition
//
// [TOSCA-v2.0] @ ?
// [TOSCA-Simple-Profile-YAML-v1.3] @ 3.6.12
// [TOSCA-Simple-Profile-YAML-v1.2] @ 3.6.11
// [TOSCA-Simple-Profile-YAML-v1.1] @ 3.5.10
// [TOSCA-Simple-Profile-YAML-v1.0] @ 3.5.10
//
type AttributeDefinition struct {
*Entity `name:"attribute definition"`
Name string
Metadata Metadata `read:"metadata,Metadata"` // introduced in TOSCA 1.3
Description *string `read:"description"`
DataTypeName *string `read:"type"` // required only if cannot be inherited or discovered
KeySchema *Schema `read:"key_schema,Schema"` // introduced in TOSCA 1.3
EntrySchema *Schema `read:"entry_schema,Schema"` // required if list or map
Default *Value `read:"default,Value"`
Status *string `read:"status"`
DataType *DataType `lookup:"type,DataTypeName" json:"-" yaml:"-"`
rendered bool
}
func NewAttributeDefinition(context *tosca.Context) *AttributeDefinition {
return &AttributeDefinition{
Entity: NewEntity(context),
Name: context.Name,
}
}
// tosca.Reader signature
func ReadAttributeDefinition(context *tosca.Context) tosca.EntityPtr {
self := NewAttributeDefinition(context)
context.ValidateUnsupportedFields(context.ReadFields(self))
return self
}
// tosca.Mappable interface
func (self *AttributeDefinition) GetKey() string {
return self.Name
}
func (self *AttributeDefinition) Inherit(parentDefinition *AttributeDefinition) {
logInherit.Debugf("attribute definition: %s", self.Name)
// Validate type compatibility
if (self.DataType != nil) && (parentDefinition.DataType != nil) && !self.Context.Hierarchy.IsCompatible(parentDefinition.DataType, self.DataType) {
self.Context.ReportIncompatibleType(self.DataType, parentDefinition.DataType)
return
}
if (self.Description == nil) && (parentDefinition.Description != nil) {
self.Description = parentDefinition.Description
}
if (self.DataTypeName == nil) && (parentDefinition.DataTypeName != nil) {
self.DataTypeName = parentDefinition.DataTypeName
}
if (self.KeySchema == nil) && (parentDefinition.KeySchema != nil) {
self.KeySchema = parentDefinition.KeySchema
}
if (self.EntrySchema == nil) && (parentDefinition.EntrySchema != nil) {
self.EntrySchema = parentDefinition.EntrySchema
}
if (self.Default == nil) && (parentDefinition.Default != nil) {
self.Default = parentDefinition.Default
}
if (self.Status == nil) && (parentDefinition.Status != nil) {
self.Status = parentDefinition.Status
}
if (self.DataType == nil) && (parentDefinition.DataType != nil) {
self.DataType = parentDefinition.DataType
}
}
// parser.Renderable interface
func (self *AttributeDefinition) Render() {
logRender.Debugf("attribute definition: %s", self.Name)
if self.rendered {
// Avoid rendering more than once (can happen if we were called from Value.RenderAttribute)
return
}
self.rendered = true
if self.DataTypeName == nil {
self.Context.FieldChild("type", nil).ReportFieldMissing()
return
}
if self.DataType == nil {
return
}
if internalTypeName, ok := self.DataType.GetInternalTypeName(); ok {
switch internalTypeName {
case ard.TypeList, ard.TypeMap:
if self.EntrySchema == nil {
self.EntrySchema = self.DataType.EntrySchema
}
// Make sure we have an entry schema
if (self.EntrySchema == nil) || (self.EntrySchema.DataType == nil) {
self.Context.ReportMissingEntrySchema(self.DataType.Name)
return
}
if internalTypeName == ard.TypeMap {
if self.KeySchema == nil {
self.KeySchema = self.DataType.KeySchema
}
if self.KeySchema == nil {
// Default to "string" for key schema
self.KeySchema = ReadSchema(self.Context.FieldChild("key_schema", "string")).(*Schema)
if !self.KeySchema.LookupDataType() {
return
}
}
}
}
}
if self.Default != nil {
// The "default" value must be a valid value of the type
self.Default.RenderAttribute(self.DataType, self, false, false)
}
}
func (self *AttributeDefinition) GetTypeInformation() *normal.TypeInformation {
information := normal.NewTypeInformation()
information.Metadata = tosca.GetInformationMetadata(self.Metadata)
if self.Description != nil {
information.Description = *self.Description
}
return information
}
//
// AttributeDefinitions
//
type AttributeDefinitions map[string]*AttributeDefinition
func (self AttributeDefinitions) Inherit(parentDefinitions AttributeDefinitions) {
for name, definition := range parentDefinitions {
if _, ok := self[name]; !ok {
self[name] = definition
}
}
for name, definition := range self {
if parentDefinition, ok := parentDefinitions[name]; ok {
if definition != parentDefinition {
definition.Inherit(parentDefinition)
}
}
}
}