org.apache.avro.io
Class ParsingEncoder

java.lang.Object
  extended by org.apache.avro.io.Encoder
      extended by org.apache.avro.io.ParsingEncoder
All Implemented Interfaces:
Flushable
Direct Known Subclasses:
JsonEncoder, ValidatingEncoder

public abstract class ParsingEncoder
extends Encoder

Base class for parser-based Encoders.


Field Summary
protected  int pos
           
 
Constructor Summary
ParsingEncoder()
           
 
Method Summary
protected  int depth()
           
protected  void pop()
           
protected  void push()
          Push a new collection on to the stack.
 void setItemCount(long itemCount)
          Call this method before writing a batch of items in an array or a map.
 void startItem()
          Start a new item of an array or map.
 
Methods inherited from class org.apache.avro.io.Encoder
init, writeArrayEnd, writeArrayStart, writeBoolean, writeBytes, writeBytes, writeBytes, writeDouble, writeEnum, writeFixed, writeFixed, writeFloat, writeIndex, writeInt, writeLong, writeMapEnd, writeMapStart, writeNull, writeString, writeString, writeString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface java.io.Flushable
flush
 

Field Detail

pos

protected int pos
Constructor Detail

ParsingEncoder

public ParsingEncoder()
Method Detail

setItemCount

public void setItemCount(long itemCount)
                  throws IOException
Description copied from class: Encoder
Call this method before writing a batch of items in an array or a map. Then for each item, call Encoder.startItem() followed by any of the other write methods of Encoder. The number of calls to Encoder.startItem() must be equal to the count specified in Encoder.setItemCount(long). Once a batch is completed you can start another batch with Encoder.setItemCount(long).

Specified by:
setItemCount in class Encoder
Parameters:
itemCount - The number of Encoder.startItem() calls to follow.
Throws:
IOException

startItem

public void startItem()
               throws IOException
Description copied from class: Encoder
Start a new item of an array or map. See Encoder.writeArrayStart() for usage information.

Specified by:
startItem in class Encoder
Throws:
IOException

push

protected final void push()
Push a new collection on to the stack.


pop

protected final void pop()

depth

protected final int depth()


Copyright © 2010 The Apache Software Foundation