org.apache.avro.specific

Class SpecificDatumReader<T>

java.lang.Object

org.apache.avro.generic.GenericDatumReader<T>

org.apache.avro.specific.SpecificDatumReader<T>

All Implemented Interfaces:

DatumReader<T>

Direct Known Subclasses:

ReflectDatumReader

public class SpecificDatumReader<T>
extends GenericDatumReader<T>

DatumReader for generated Java classes.

Constructor Summary

Constructors

Constructor and Description
SpecificDatumReader()
SpecificDatumReader(Class<T> c) Construct for reading instances of a class.
SpecificDatumReader(Schema schema) Construct where the writer's and reader's schemas are the same.
SpecificDatumReader(Schema writer, Schema reader) Construct given writer's and reader's schema.
SpecificDatumReader(Schema writer, Schema reader, SpecificData data) Construct given writer's schema, reader's schema, and a SpecificData.
SpecificDatumReader(SpecificData data) Construct given a SpecificData.

Method Summary

Methods

Modifier and Type	Method and Description
protected Object	createEnum(String symbol, Schema schema) Called to create an enum value.
SpecificData	getSpecificData() Return the contained SpecificData.
void	setSchema(Schema actual) Set the writer's schema.

Methods inherited from class org.apache.avro.generic.GenericDatumReader

addToArray, addToMap, createBytes, createFixed, createFixed, createString, getData, getExpected, getResolver, getSchema, newArray, newMap, newRecord, peekArray, read, read, readArray, readBytes, readBytes, readEnum, readFixed, readInt, readMap, readMapKey, readRecord, readString, readString, setExpected, skip

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SpecificDatumReader

public SpecificDatumReader()

SpecificDatumReader

public SpecificDatumReader(Class<T> c)

Construct for reading instances of a class.

SpecificDatumReader

public SpecificDatumReader(Schema schema)

Construct where the writer's and reader's schemas are the same.

SpecificDatumReader

public SpecificDatumReader(Schema writer,
                   Schema reader)

Construct given writer's and reader's schema.

SpecificDatumReader

public SpecificDatumReader(Schema writer,
                   Schema reader,
                   SpecificData data)

Construct given writer's schema, reader's schema, and a SpecificData.

SpecificDatumReader

public SpecificDatumReader(SpecificData data)

Construct given a SpecificData.

Method Detail

getSpecificData

public SpecificData getSpecificData()

Return the contained SpecificData.

setSchema

public void setSchema(Schema actual)

Description copied from interface: DatumReader

Set the writer's schema.

Specified by:

setSchema in interface DatumReader<T>

Overrides:

setSchema in class GenericDatumReader<T>

createEnum

protected Object createEnum(String symbol,
                Schema schema)

Description copied from class: GenericDatumReader

Called to create an enum value. May be overridden for alternate enum representations. By default, returns a GenericEnumSymbol.

Overrides:

createEnum in class GenericDatumReader<T>