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org.apache.gora.avro
Class PersistentDatumReader<T extends Persistent>

java.lang.Object
  org.apache.avro.generic.GenericDatumReader<T>
      org.apache.avro.specific.SpecificDatumReader<T>
          org.apache.gora.avro.PersistentDatumReader<T>

All Implemented Interfaces:

org.apache.avro.io.DatumReader<T>

public class PersistentDatumReader<T extends Persistent>
extends org.apache.avro.specific.SpecificDatumReader<T>

PersistentDatumReader reads, fields' dirty and readable information.

Constructor Summary

PersistentDatumReader()

PersistentDatumReader(org.apache.avro.Schema schema, boolean readDirtyBits)

Method Summary

Persistent	clone(Persistent persistent, org.apache.avro.Schema schema)
protected Object	cloneObject(org.apache.avro.Schema schema, Object toClone, Object cloned)
protected org.apache.avro.io.ResolvingDecoder	getResolvingDecoder(org.apache.avro.io.Decoder decoder)
protected Object	newArray(Object old, int size, org.apache.avro.Schema schema) Called to create new array instances.
protected Object	newMap(Object old, int size)
T	newPersistent()
protected Object	newRecord(Object old, org.apache.avro.Schema schema)
Object	read(Object reuse, org.apache.avro.Schema schema, org.apache.avro.io.Decoder decoder)
T	read(T reuse, org.apache.avro.io.Decoder in)
protected Object	readMap(Object old, org.apache.avro.Schema expected, org.apache.avro.io.ResolvingDecoder in)
protected Object	readRecord(Object old, org.apache.avro.Schema expected, org.apache.avro.io.ResolvingDecoder in)
void	setSchema(org.apache.avro.Schema actual)

Methods inherited from class org.apache.avro.specific.SpecificDatumReader

createEnum, createFixed, getField, newInstance, setField

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

addToArray, addToMap, createBytes, createFixed, createString, peekArray, read, readArray, readBytes, readEnum, readFixed, readInt, readString, readString, removeField, setExpected, skip

Methods inherited from class java.lang.Object

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

Constructor Detail

PersistentDatumReader

public PersistentDatumReader()

PersistentDatumReader

public PersistentDatumReader(org.apache.avro.Schema schema,
                             boolean readDirtyBits)

Method Detail

setSchema

public void setSchema(org.apache.avro.Schema actual)

Specified by:

setSchema in interface org.apache.avro.io.DatumReader<T extends Persistent>

Overrides:

setSchema in class org.apache.avro.generic.GenericDatumReader<T extends Persistent>

newPersistent

public T newPersistent()

newRecord

protected Object newRecord(Object old,
                           org.apache.avro.Schema schema)

Overrides:

newRecord in class org.apache.avro.specific.SpecificDatumReader<T extends Persistent>

read

public T read(T reuse,
              org.apache.avro.io.Decoder in)
                          throws IOException

Specified by:

read in interface org.apache.avro.io.DatumReader<T extends Persistent>

Overrides:

read in class org.apache.avro.generic.GenericDatumReader<T extends Persistent>

Throws:

IOException

read

public Object read(Object reuse,
                   org.apache.avro.Schema schema,
                   org.apache.avro.io.Decoder decoder)
            throws IOException

Throws:

IOException

getResolvingDecoder

protected org.apache.avro.io.ResolvingDecoder getResolvingDecoder(org.apache.avro.io.Decoder decoder)
                                                           throws IOException

Throws:

IOException

readRecord

protected Object readRecord(Object old,
                            org.apache.avro.Schema expected,
                            org.apache.avro.io.ResolvingDecoder in)
                     throws IOException

Overrides:

readRecord in class org.apache.avro.generic.GenericDatumReader<T extends Persistent>

Throws:

IOException

readMap

protected Object readMap(Object old,
                         org.apache.avro.Schema expected,
                         org.apache.avro.io.ResolvingDecoder in)
                  throws IOException

Overrides:

readMap in class org.apache.avro.generic.GenericDatumReader<T extends Persistent>

Throws:

IOException

newMap

protected Object newMap(Object old,
                        int size)

Overrides:

newMap in class org.apache.avro.generic.GenericDatumReader<T extends Persistent>

newArray

protected Object newArray(Object old,
                          int size,
                          org.apache.avro.Schema schema)

Called to create new array instances. Subclasses may override to use a different array implementation. By default, this returns a GenericData.Array instance.

Overrides:

newArray in class org.apache.avro.generic.GenericDatumReader<T extends Persistent>

clone

public Persistent clone(Persistent persistent,
                        org.apache.avro.Schema schema)

cloneObject

protected Object cloneObject(org.apache.avro.Schema schema,
                             Object toClone,
                             Object cloned)