org.apache.avro.io
Class ParsingEncoder
java.lang.Object
org.apache.avro.io.Encoder
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
|
|
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 |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
pos
protected int pos
ParsingEncoder
public ParsingEncoder()
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