Uses of Class
org.apache.avro.Schema

Packages that use Schema

org.apache.avro	Avro kernel classes.
org.apache.avro.file	A container file for Avro data.
org.apache.avro.generic	A generic representation for Avro data.
org.apache.avro.io	Input/output utilities.
org.apache.avro.io.parsing	Implementation of Avro schemas as LL(1) grammars.
org.apache.avro.ipc	Support for inter-process calls.
org.apache.avro.reflect	Use Java reflection to generate schemas and protocols for existing classes.
org.apache.avro.specific	Generate specific Java classes for schemas and protocols.

Uses of Schema in org.apache.avro

Fields in org.apache.avro declared as Schema

static Schema	Protocol.SYSTEM_ERROR An error that can be thrown by any message.
static Schema	Protocol.SYSTEM_ERRORS Union type for generating system errors.

Methods in org.apache.avro that return Schema

static Schema	Schema.create(Schema.Type type) Create a schema for a primitive type.
static Schema	Schema.createArray(Schema elementType) Create an array schema.
static Schema	Schema.createEnum(String name, String namespace, List<String> values) Create an enum schema.
static Schema	Schema.createFixed(String name, String space, int size) Create a union schema.
static Schema	Schema.createMap(Schema valueType) Create a map schema.
static Schema	Schema.createRecord(LinkedHashMap<String,Schema.Field> fields) Create an anonymous record schema.
static Schema	Schema.createRecord(String name, String namespace, boolean isError) Create a named record schema.
static Schema	Schema.createUnion(List<Schema> types) Create a union schema.
Schema	Schema.getElementType() If this is an array, returns its element type.
Schema	Protocol.Message.getErrors() Errors that might be thrown.
Schema	Protocol.Message.getRequest() The parameters of this message.
Schema	Protocol.Message.getResponse() The returned data.
Schema	Schema.getValueType() If this is a map, returns its value type.
static Schema	Schema.parse(File file)
static Schema	Schema.parse(String jsonSchema) Construct a schema from JSON text.
Schema	Schema.Field.schema() This field's Schema.

Methods in org.apache.avro that return types with arguments of type Schema

Iterable<Map.Entry<String,Schema>>	Schema.getFieldSchemas() If this is a record, enumerate its field names and their schemas.
List<Schema>	Schema.getTypes() If this is a union, returns its types.
LinkedHashMap<String,Schema>	Protocol.getTypes() The types of this protocol.

Methods in org.apache.avro with parameters of type Schema

static Schema	Schema.createArray(Schema elementType) Create an array schema.
static Schema	Schema.createMap(Schema valueType) Create a map schema.
Protocol.Message	Protocol.createMessage(String name, Schema request, Schema response, Schema errors)

Method parameters in org.apache.avro with type arguments of type Schema

static Schema

Schema.createUnion(List<Schema> types) Create a union schema.

Constructors in org.apache.avro with parameters of type Schema

Schema.Field(Schema schema, JsonNode defaultValue)

Schema.Field(Schema schema, JsonNode defaultValue, Schema.Field.Order order)

Uses of Schema in org.apache.avro.file

Methods in org.apache.avro.file with parameters of type Schema

void	DataFileWriter.addSchema(Schema branch) If the schema for this file is a union, add a branch to it.

Constructors in org.apache.avro.file with parameters of type Schema

DataFileWriter(Schema schema, OutputStream outs, DatumWriter<D> dout)
Construct a writer to a file for data matching a schema.

Uses of Schema in org.apache.avro.generic

Methods in org.apache.avro.generic that return Schema

protected Schema	GenericData.getRecordSchema(Object record) Called to obtain the schema of a record.
Schema	GenericData.Record.getSchema()
Schema	GenericData.Array.getSchema()
Schema	GenericContainer.getSchema() The schema of this instance.
Schema	GenericData.induce(Object datum) Create a schema given an example datum.

Methods in org.apache.avro.generic with parameters of type Schema

int	GenericData.compare(Object o1, Object o2, Schema s) Compare objects according to their schema.
protected Object	GenericDatumReader.createEnum(String symbol, Schema schema) Called to create an enum value.
protected Object	GenericDatumReader.createFixed(Object old, byte[] bytes, Schema schema) Called to create an fixed value.
protected Object	GenericDatumReader.createFixed(Object old, Schema schema) Called to create an fixed value.
protected Object	GenericDatumReader.defaultFieldValue(Object old, Schema schema, JsonNode json) Called by the default implementation of GenericDatumReader.readRecord(java.lang.Object, org.apache.avro.Schema, org.apache.avro.Schema, org.apache.avro.io.Decoder) to construct a default value for a field.
protected boolean	GenericData.instanceOf(Schema schema, Object datum) Called by GenericData.resolveUnion(Schema,Object).
protected Object	GenericDatumReader.newArray(Object old, int size, Schema schema) Called to create new array instances.
protected Object	GenericDatumReader.newRecord(Object old, Schema schema) Called to create new record instances.
protected Object	GenericDatumReader.read(Object old, Schema actual, Schema expected, Decoder in) Called to read data.
protected Object	GenericDatumReader.readArray(Object old, Schema actual, Schema expected, Decoder in) Called to read an array instance.
protected Object	GenericDatumReader.readEnum(Schema actual, Schema expected, Decoder in) Called to read an enum value.
AvroRemoteException	GenericRequestor.readError(Schema schema, Decoder in)
protected Object	GenericDatumReader.readFixed(Object old, Schema actual, Schema expected, Decoder in) Called to read a fixed value.
protected Object	GenericDatumReader.readMap(Object old, Schema actual, Schema expected, Decoder in) Called to read a map instance.
protected Object	GenericDatumReader.readRecord(Object old, Schema actual, Schema expected, Decoder in) Called to read a record instance.
Object	GenericResponder.readRequest(Schema schema, Decoder in) Reads a request message.
Object	GenericRequestor.readResponse(Schema schema, Decoder in)
int	GenericData.resolveUnion(Schema union, Object datum) Return the index for a datum within a union.
void	GenericDatumReader.setSchema(Schema actual)
void	GenericDatumWriter.setSchema(Schema root)
static void	GenericDatumReader.skip(Schema schema, Decoder in) Skip an instance of a schema.
boolean	GenericData.validate(Schema schema, Object datum) Returns true if a Java datum matches a schema.
protected void	GenericDatumWriter.write(Schema schema, Object datum, Encoder out) Called to write data.
protected void	GenericDatumWriter.writeArray(Schema schema, Object datum, Encoder out) Called to write a array.
protected void	GenericDatumWriter.writeEnum(Schema schema, Object datum, Encoder out) Called to write an enum value.
void	GenericResponder.writeError(Schema schema, AvroRemoteException error, Encoder out) Writes an error message.
protected void	GenericDatumWriter.writeFixed(Schema schema, Object datum, Encoder out) Called to write a fixed value.
protected void	GenericDatumWriter.writeMap(Schema schema, Object datum, Encoder out) Called to write a map.
protected void	GenericDatumWriter.writeRecord(Schema schema, Object datum, Encoder out) Called to write a record.
void	GenericRequestor.writeRequest(Schema schema, Object request, Encoder out)
void	GenericResponder.writeResponse(Schema schema, Object response, Encoder out) Writes a response message.

Constructors in org.apache.avro.generic with parameters of type Schema

GenericData.Array(int capacity, Schema schema)

GenericData.Fixed(Schema schema)

GenericData.Record(Schema schema)

GenericDatumReader(Schema actual)

GenericDatumReader(Schema actual, Schema expected)

GenericDatumWriter(Schema root)

GenericDatumWriter(Schema root, GenericData data)

Uses of Schema in org.apache.avro.io

Methods in org.apache.avro.io with parameters of type Schema

static int	BinaryData.compare(byte[] b1, int s1, byte[] b2, int s2, Schema schema) Compare binary encoded data.
void	DatumWriter.setSchema(Schema schema) Set the schema.
void	DatumReader.setSchema(Schema schema) Set the schema.

Constructors in org.apache.avro.io with parameters of type Schema

JsonDecoder(Schema schema, InputStream in)

JsonEncoder(Schema sc, JsonGenerator out)

JsonEncoder(Schema sc, OutputStream out)

ResolvingDecoder(Schema writer, Schema reader, Decoder in)

ValidatingDecoder(Schema schema, Decoder in)

ValidatingEncoder(Schema schema, Encoder in)

Uses of Schema in org.apache.avro.io.parsing

Methods in org.apache.avro.io.parsing with parameters of type Schema

Symbol	ValidatingGrammarGenerator.generate(Schema schema) Returns the non-terminal that is the start symbol for the grammar for the given schema sc.
Symbol	JsonGrammarGenerator.generate(Schema schema) Returns the non-terminal that is the start symbol for the grammar for the grammar for the given schema sc.
Symbol	ValidatingGrammarGenerator.generate(Schema sc, Map<org.apache.avro.io.parsing.ValidatingGrammarGenerator.LitS,Symbol> seen) Returns the non-terminal that is the start symbol for the grammar for the given schema sc.
Symbol	JsonGrammarGenerator.generate(Schema sc, Map<org.apache.avro.io.parsing.ValidatingGrammarGenerator.LitS,Symbol> seen) Returns the non-terminal that is the start symbol for grammar of the given schema sc.
Symbol	ResolvingGrammarGenerator.generate(Schema writer, Schema reader) Resolves the writer schema writer and the reader schema reader and returns the start symbol for the grammar generated.
Symbol	ResolvingGrammarGenerator.generate(Schema writer, Schema reader, Map<org.apache.avro.io.parsing.ValidatingGrammarGenerator.LitS,Symbol> seen) Resolves the writer schema writer and the reader schema reader and returns the start symbol for the grammar generated.

Uses of Schema in org.apache.avro.ipc

Methods in org.apache.avro.ipc with parameters of type Schema

abstract AvroRemoteException	Requestor.readError(Schema schema, Decoder in) Reads an error message.
abstract Object	Responder.readRequest(Schema schema, Decoder in) Reads a request message.
abstract Object	Requestor.readResponse(Schema schema, Decoder in) Reads a response message.
abstract void	Responder.writeError(Schema schema, AvroRemoteException error, Encoder out) Writes an error message.
abstract void	Requestor.writeRequest(Schema schema, Object request, Encoder out) Writes a request message.
abstract void	Responder.writeResponse(Schema schema, Object response, Encoder out) Writes a response message.

Uses of Schema in org.apache.avro.reflect

Methods in org.apache.avro.reflect that return Schema

protected Schema	ReflectData.createFieldSchema(Field field, Map<String,Schema> names) Create a schema for a field.
protected Schema	ReflectData.AllowNull.createFieldSchema(Field field, Map<String,Schema> names)
protected Schema	ReflectData.createSchema(Type type, Map<String,Schema> names) Create a schema for a type and it's fields.
protected Schema	ReflectData.getRecordSchema(Object record)
Schema	ReflectData.getSchema(Type type) Generate a schema for a Java type.

Methods in org.apache.avro.reflect with parameters of type Schema

protected Object	ReflectDatumReader.createEnum(String symbol, Schema schema)
protected Object	ReflectDatumReader.createFixed(Object old, Schema schema)
protected DatumReader<Object>	ReflectResponder.getDatumReader(Schema schema)
protected DatumReader<Object>	ReflectRequestor.getDatumReader(Schema schema)
protected DatumWriter<Object>	ReflectResponder.getDatumWriter(Schema schema)
protected DatumWriter<Object>	ReflectRequestor.getDatumWriter(Schema schema)
protected Object	ReflectDatumReader.newRecord(Object old, Schema schema)
AvroRemoteException	ReflectRequestor.readError(Schema schema, Decoder in)
Object	ReflectResponder.readRequest(Schema schema, Decoder in) Reads a request message.
Object	ReflectRequestor.readResponse(Schema schema, Decoder in)
boolean	ReflectData.validate(Schema schema, Object datum) Returns true if an object matches a schema.
protected void	ReflectDatumWriter.writeEnum(Schema schema, Object datum, Encoder out)
void	ReflectResponder.writeError(Schema schema, AvroRemoteException error, Encoder out) Writes an error message.
void	ReflectRequestor.writeRequest(Schema schema, Object request, Encoder out)
void	ReflectResponder.writeResponse(Schema schema, Object response, Encoder out) Writes a response message.

Method parameters in org.apache.avro.reflect with type arguments of type Schema

protected Schema	ReflectData.createFieldSchema(Field field, Map<String,Schema> names) Create a schema for a field.
protected Schema	ReflectData.AllowNull.createFieldSchema(Field field, Map<String,Schema> names)
protected Schema	ReflectData.createSchema(Type type, Map<String,Schema> names) Create a schema for a type and it's fields.

Constructors in org.apache.avro.reflect with parameters of type Schema

ReflectDatumReader(Schema root, String packageName)

ReflectDatumWriter(Schema root)

ReflectDatumWriter(Schema root, ReflectData reflectData)

Uses of Schema in org.apache.avro.specific

Methods in org.apache.avro.specific that return Schema

protected Schema	SpecificData.getRecordSchema(Object record)
abstract Schema	SpecificExceptionBase.getSchema()
abstract Schema	SpecificRecordBase.getSchema()

Methods in org.apache.avro.specific with parameters of type Schema

int	SpecificData.compare(Object o1, Object o2, Schema s)
protected DatumReader<Object>	SpecificRequestor.getDatumReader(Schema schema)
protected DatumReader<Object>	SpecificResponder.getDatumReader(Schema schema)
protected DatumWriter<Object>	SpecificRequestor.getDatumWriter(Schema schema)
protected DatumWriter<Object>	SpecificResponder.getDatumWriter(Schema schema)

Constructors in org.apache.avro.specific with parameters of type Schema

SpecificDatumReader(Schema root)

SpecificDatumReader(Schema root, String packageName)

SpecificDatumWriter(Schema root)