org.apache.avro.specific

Class SpecificDatumWriter<T>

java.lang.Object

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

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

All Implemented Interfaces:

DatumWriter<T>

Direct Known Subclasses:

ReflectDatumWriter

public class SpecificDatumWriter<T>
extends GenericDatumWriter<T>

DatumWriter for generated Java classes.

Constructor Summary

Constructors

Modifier	Constructor and Description
	SpecificDatumWriter()
	SpecificDatumWriter(Class<T> c)
	SpecificDatumWriter(Schema schema)
	SpecificDatumWriter(Schema root, SpecificData specificData)
protected	SpecificDatumWriter(SpecificData specificData)

Method Summary

Methods

Modifier and Type	Method and Description
SpecificData	getSpecificData() Returns the SpecificData implementation used by this writer.
protected void	writeEnum(Schema schema, Object datum, Encoder out) Called to write an enum value.
protected void	writeString(Schema schema, Object datum, Encoder out) Called to write a string.

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

getArrayElements, getArraySize, getData, getMapEntries, getMapSize, npe, resolveUnion, setSchema, write, write, writeArray, writeBytes, writeField, writeFixed, writeMap, writeRecord, writeString

Methods inherited from class java.lang.Object

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

Constructor Detail

SpecificDatumWriter

public SpecificDatumWriter()

SpecificDatumWriter

public SpecificDatumWriter(Class<T> c)

SpecificDatumWriter

public SpecificDatumWriter(Schema schema)

SpecificDatumWriter

public SpecificDatumWriter(Schema root,
                   SpecificData specificData)

SpecificDatumWriter

protected SpecificDatumWriter(SpecificData specificData)

Method Detail

getSpecificData

public SpecificData getSpecificData()

Returns the SpecificData implementation used by this writer.

writeEnum

protected void writeEnum(Schema schema,
             Object datum,
             Encoder out)
                  throws IOException

Description copied from class: GenericDatumWriter

Called to write an enum value. May be overridden for alternate enum representations.

Overrides:

writeEnum in class GenericDatumWriter<T>

Throws:

IOException

writeString

protected void writeString(Schema schema,
               Object datum,
               Encoder out)
                    throws IOException

Description copied from class: GenericDatumWriter

Called to write a string. May be overridden for alternate string representations.

Overrides:

writeString in class GenericDatumWriter<T>

Throws:

IOException