types

package
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 Go to latest Published: Mar 19, 2019 License: MIT Imports: 6 Imported by: 4

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Index

Constants

View Source 
const UTIL_FILE = "primitive.go"

Variables

This section is empty.

Functions

func NewArrayField 

func NewArrayField(itemType AvroType, definition map[string]interface{}) *arrayField

func NewBoolField 

func NewBoolField(definition interface{}) *boolField

func NewBytesField 

func NewBytesField(definition interface{}) *bytesField

func NewDoubleField 

func NewDoubleField(definition interface{}) *doubleField

func NewFloatField 

func NewFloatField(definition interface{}) *floatField

func NewIntField 

func NewIntField(definition interface{}) *intField

func NewLongField 

func NewLongField(definition interface{}) *longField

func NewMapField 

func NewMapField(itemType AvroType, definition map[string]interface{}) *mapField

func NewNullField 

func NewNullField(definition interface{}) *nullField

func NewStringField 

func NewStringField(definition interface{}) *stringField

func NewUnionField 

func NewUnionField(name string, itemType []AvroType, definition []interface{}) *unionField

Types

type AvroType 

type AvroType interface {
	Name() string
	SimpleName() string
	GoType() string

	// The name of the method which writes this field onto the wire
	SerializerMethod() string
	// The name of the method which reads this field off the wire
	DeserializerMethod() string

	// Add the imports and struct for the definition of this type to the generator.Package
	AddStruct(*generator.Package, bool) error
	// Add the imports, methods and structs required for the serializer to the generator.Package
	AddSerializer(*generator.Package)
	// Add the imports, methods and structs required for the deserializer to the generator.Package
	AddDeserializer(*generator.Package)

	// Attempt to resolve references to named structs, enums or fixed fields
	ResolveReferences(*Namespace) error

	Definition(scope map[QualifiedName]interface{}) (interface{}, error)
	DefaultValue(lvalue string, rvalue interface{}) (string, error)
}

type Constructable 

type Constructable interface {
	ConstructorMethod() string
}

type Definition 

type Definition interface {
	AvroName() QualifiedName
	Aliases() []QualifiedName

	// A user-friendly name that can be built into a Go string (for unions, mostly)
	Name() string
	SimpleName() string

	GoType() string

	SerializerMethod() string
	DeserializerMethod() string

	// Add the imports and struct for the definition of this type to the generator.Package
	AddStruct(*generator.Package, bool) error
	AddSerializer(*generator.Package)
	AddDeserializer(*generator.Package)

	// Resolve references to user-defined types
	ResolveReferences(*Namespace) error

	// A JSON object defining this object, for writing the schema back out
	Definition(scope map[QualifiedName]interface{}) (interface{}, error)
	DefaultValue(lvalue string, rvalue interface{}) (string, error)
}

type EnumDefinition 

type EnumDefinition struct {
	// contains filtered or unexported fields
}

func NewEnumDefinition 

func NewEnumDefinition(name QualifiedName, aliases []QualifiedName, symbols []string, doc string, definition map[string]interface{}) *EnumDefinition

func (*EnumDefinition) AddDeserializer 

func (e *EnumDefinition) AddDeserializer(p *generator.Package)

func (*EnumDefinition) AddSerializer 

func (e *EnumDefinition) AddSerializer(p *generator.Package)

func (*EnumDefinition) AddStruct 

func (e *EnumDefinition) AddStruct(p *generator.Package, _ bool) error

func (*EnumDefinition) Aliases 

func (e *EnumDefinition) Aliases() []QualifiedName

func (*EnumDefinition) AvroName 

func (e *EnumDefinition) AvroName() QualifiedName

func (*EnumDefinition) DefaultValue 

func (s *EnumDefinition) DefaultValue(lvalue string, rvalue interface{}) (string, error)

func (*EnumDefinition) Definition 

func (s *EnumDefinition) Definition(scope map[QualifiedName]interface{}) (interface{}, error)

func (*EnumDefinition) DeserializerMethod 

func (e *EnumDefinition) DeserializerMethod() string

func (*EnumDefinition) GoType 

func (e *EnumDefinition) GoType() string

func (*EnumDefinition) Name 

func (e *EnumDefinition) Name() string

func (*EnumDefinition) ResolveReferences 

func (s *EnumDefinition) ResolveReferences(n *Namespace) error

func (*EnumDefinition) SerializerMethod 

func (e *EnumDefinition) SerializerMethod() string

func (*EnumDefinition) SimpleName added in v5.3.0 

func (e *EnumDefinition) SimpleName() string

type Field 

type Field struct {
	// contains filtered or unexported fields
}

func NewField 

func NewField(avroName string, avroType AvroType, defValue interface{}, hasDef bool, doc string, definition map[string]interface{}, fieldTags string) *Field

func (*Field) Default 

func (f *Field) Default() interface{}

func (*Field) Definition 

func (f *Field) Definition(scope map[QualifiedName]interface{}) (map[string]interface{}, error)

func (*Field) Doc added in v5.3.0 

func (f *Field) Doc() string

func (*Field) GoName 

func (f *Field) GoName() string

func (*Field) HasDefault 

func (f *Field) HasDefault() bool

func (*Field) Name 

func (f *Field) Name() string

func (*Field) SimpleName added in v5.3.0 

func (f *Field) SimpleName() string

func (*Field) Tags added in v5.3.0 

func (f *Field) Tags() string

Tags returns a field go struct tags if defined.

func (*Field) Type 

func (f *Field) Type() AvroType

type FixedDefinition 

type FixedDefinition struct {
	// contains filtered or unexported fields
}

func NewFixedDefinition 

func NewFixedDefinition(name QualifiedName, aliases []QualifiedName, sizeBytes int, definition map[string]interface{}) *FixedDefinition

func (*FixedDefinition) AddDeserializer 

func (s *FixedDefinition) AddDeserializer(p *generator.Package)

func (*FixedDefinition) AddSerializer 

func (s *FixedDefinition) AddSerializer(p *generator.Package)

func (*FixedDefinition) AddStruct 

func (s *FixedDefinition) AddStruct(p *generator.Package, _ bool) error

func (*FixedDefinition) Aliases 

func (s *FixedDefinition) Aliases() []QualifiedName

func (*FixedDefinition) AvroName 

func (s *FixedDefinition) AvroName() QualifiedName

func (*FixedDefinition) DefaultValue 

func (s *FixedDefinition) DefaultValue(lvalue string, rvalue interface{}) (string, error)

func (*FixedDefinition) Definition 

func (s *FixedDefinition) Definition(scope map[QualifiedName]interface{}) (interface{}, error)

func (*FixedDefinition) DeserializerMethod 

func (s *FixedDefinition) DeserializerMethod() string

func (*FixedDefinition) GoType 

func (s *FixedDefinition) GoType() string

func (*FixedDefinition) Name 

func (s *FixedDefinition) Name() string

func (*FixedDefinition) ResolveReferences 

func (s *FixedDefinition) ResolveReferences(n *Namespace) error

func (*FixedDefinition) SerializerMethod 

func (s *FixedDefinition) SerializerMethod() string

func (*FixedDefinition) SimpleName added in v5.3.0 

func (s *FixedDefinition) SimpleName() string

type Namespace 

type Namespace struct {
	Definitions map[QualifiedName]Definition
	Schemas     []Schema
	ShortUnions bool
}

Namespace is a mapping of QualifiedNames to their Definitions, used to resolve type lookups within a schema.

func NewNamespace 

func NewNamespace(shortUnions bool) *Namespace

func (*Namespace) AddToPackage 

func (namespace *Namespace) AddToPackage(p *generator.Package, headerComment string, containers bool) error

func (*Namespace) RegisterDefinition 

func (n *Namespace) RegisterDefinition(d Definition) error

RegisterDefinition adds a new type definition to the namespace. Returns an error if the type is already defined.

func (*Namespace) TypeForSchema 

func (n *Namespace) TypeForSchema(schemaJson []byte) (AvroType, error)

TypeForSchema accepts an Avro schema as a JSON string, decode it and return the AvroType defined at the top level:

  • a single record definition (JSON map)
  • a union of multiple types (JSON array)
  • an already-defined type (JSON string)

The Avro type defined at the top level and all the type definitions beneath it will also be added to this Namespace.

type QualifiedName 

type QualifiedName struct {
	Namespace string
	Name      string
}

QualifiedName represents an Avro qualified name, which includes an optional namespace and the type name.

func ParseAvroName 

func ParseAvroName(enclosing, name string) QualifiedName

ParseAvroName parses a name according to the Avro spec:

  • If the name contains a dot ('.'), the last part is the name and the rest is the namespace
  • Otherwise, the enclosing namespace is used

func (QualifiedName) String 

func (q QualifiedName) String() string

type RecordDefinition 

type RecordDefinition struct {
	// contains filtered or unexported fields
}

func NewRecordDefinition 

func NewRecordDefinition(name QualifiedName, aliases []QualifiedName, fields []*Field, doc string, metadata map[string]interface{}) *RecordDefinition

func (*RecordDefinition) AddDeserializer 

func (r *RecordDefinition) AddDeserializer(p *generator.Package)

func (*RecordDefinition) AddSerializer 

func (r *RecordDefinition) AddSerializer(p *generator.Package)

func (*RecordDefinition) AddStruct 

func (r *RecordDefinition) AddStruct(p *generator.Package, containers bool) error

func (*RecordDefinition) Aliases 

func (r *RecordDefinition) Aliases() []QualifiedName

func (*RecordDefinition) AvroName 

func (r *RecordDefinition) AvroName() QualifiedName

func (*RecordDefinition) ConstructorMethod 

func (r *RecordDefinition) ConstructorMethod() string

func (*RecordDefinition) ConstructorMethodDef 

func (r *RecordDefinition) ConstructorMethodDef() (string, error)

func (*RecordDefinition) DefaultValue 

func (r *RecordDefinition) DefaultValue(lvalue string, rvalue interface{}) (string, error)

func (*RecordDefinition) Definition 

func (r *RecordDefinition) Definition(scope map[QualifiedName]interface{}) (interface{}, error)

func (*RecordDefinition) DeserializerMethod 

func (r *RecordDefinition) DeserializerMethod() string

func (*RecordDefinition) FieldByName 

func (r *RecordDefinition) FieldByName(name string) *Field

func (*RecordDefinition) GoType 

func (r *RecordDefinition) GoType() string

func (*RecordDefinition) Name 

func (r *RecordDefinition) Name() string

func (*RecordDefinition) ResolveReferences 

func (r *RecordDefinition) ResolveReferences(n *Namespace) error

func (*RecordDefinition) SerializerMethod 

func (r *RecordDefinition) SerializerMethod() string

func (*RecordDefinition) SimpleName added in v5.3.0 

func (r *RecordDefinition) SimpleName() string

type Reference 

type Reference struct {
	// contains filtered or unexported fields
}

func NewReference 

func NewReference(typeName QualifiedName) *Reference

func (*Reference) AddDeserializer 

func (s *Reference) AddDeserializer(p *generator.Package)

func (*Reference) AddSerializer 

func (s *Reference) AddSerializer(p *generator.Package)

func (*Reference) AddStruct 

func (s *Reference) AddStruct(p *generator.Package, containers bool) error

func (*Reference) DefaultValue 

func (s *Reference) DefaultValue(lvalue string, rvalue interface{}) (string, error)

func (*Reference) Definition 

func (s *Reference) Definition(scope map[QualifiedName]interface{}) (interface{}, error)

func (*Reference) DeserializerMethod 

func (s *Reference) DeserializerMethod() string

func (*Reference) GoType 

func (s *Reference) GoType() string

func (*Reference) Name 

func (s *Reference) Name() string

func (*Reference) ResolveReferences 

func (s *Reference) ResolveReferences(n *Namespace) error

func (*Reference) SerializerMethod 

func (s *Reference) SerializerMethod() string

func (*Reference) SimpleName added in v5.3.0 

func (s *Reference) SimpleName() string

type RequiredMapKeyError 

type RequiredMapKeyError struct {
	Key string
}

func NewRequiredMapKeyError 

func NewRequiredMapKeyError(key string) *RequiredMapKeyError

func (*RequiredMapKeyError) Error 

func (r *RequiredMapKeyError) Error() string

type Schema 

type Schema struct {
	Root       AvroType
	JSONSchema []byte
}

type SchemaError 

type SchemaError struct {
	FieldName   string
	NestedError error
}

func NewSchemaError 

func NewSchemaError(fieldName string, err error) *SchemaError

func (*SchemaError) Error 

func (s *SchemaError) Error() string

type WrongMapValueTypeError 

type WrongMapValueTypeError struct {
	Key          string
	ExpectedType string
	ActualValue  interface{}
}

func NewWrongMapValueTypeError 

func NewWrongMapValueTypeError(key, expectedType string, actualValue interface{}) *WrongMapValueTypeError

func (*WrongMapValueTypeError) Error 

func (w *WrongMapValueTypeError) Error() string

Source Files

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