Package org.pipecraft.pipes.serialization

Class AvroDecoder<T>

java.lang.Object

org.pipecraft.pipes.serialization.AvroDecoder<T>

All Implemented Interfaces:

Closeable, AutoCloseable, ItemDecoder<T>

public class AvroDecoder<T>
extends Object
implements ItemDecoder<T>

An ItemDecoder that decodes objects encoded in avro format.

Author:

Zacharya Haitin, Eyal Schneider

Constructor Summary

Constructors

Constructor	Description
AvroDecoder(Class<T> clazz, InputStream is)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	close()
T	decode()	Reads and decodes the next object from the input stream.
static <R> DecoderFactory<R>	getFactory(Class<R> clazz)

Methods inherited from class java.lang.Object

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

Constructor Detail

AvroDecoder

public AvroDecoder(Class<T> clazz,
                   InputStream is)
            throws IOException

Constructor.

Parameters:

clazz - The java class the bytes will be decoded to.

is - The input stream to bound to this decoder. Not expected to be buffered.

Throws:

IOException - In case of an IO error while preparing to read from the input stream

Method Detail

decode

public T decode()
         throws IOException

Description copied from interface: ItemDecoder

Reads and decodes the next object from the input stream.

Specified by:

decode in interface ItemDecoder<T>

Returns:

The decoded item from the input stream provided on construction, or null if end of stream was reached

Throws:

IOException - In case of a read error

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in interface ItemDecoder<T>

Throws:

IOException

getFactory

public static <R> DecoderFactory<R> getFactory(Class<R> clazz)

Parameters:

clazz - The java class representing the decoded items' data type

Returns:

A decoder factory producing avro decoders based on the given type