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

	SpecificDatumWriter()
	SpecificDatumWriter(Class<T> c)
	SpecificDatumWriter(Schema schema)
protected	SpecificDatumWriter(Schema root, SpecificData specificData)
protected	SpecificDatumWriter(SpecificData specificData)

Method Summary

protected Object	getField(Object record, String name, int position) Called by the default implementation of GenericDatumWriter.writeRecord(org.apache.avro.Schema, java.lang.Object, org.apache.avro.io.Encoder) to retrieve a record field value.
protected void	writeEnum(Schema schema, Object datum, Encoder out) Called to write an enum value.

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

getArrayElements, getArraySize, getMapEntries, getMapSize, setSchema, write, write, writeArray, writeBytes, writeFixed, writeMap, writeRecord, writeString, 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

protected SpecificDatumWriter(Schema root,
                              SpecificData specificData)

SpecificDatumWriter

protected SpecificDatumWriter(SpecificData specificData)

Method Detail

getField

protected Object getField(Object record,
                          String name,
                          int position)

Description copied from class: GenericDatumWriter

Called by the default implementation of GenericDatumWriter.writeRecord(org.apache.avro.Schema, java.lang.Object, org.apache.avro.io.Encoder) to retrieve a record field value. The default implementation is for IndexedRecord.

Overrides:

getField in class GenericDatumWriter<T>

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