public abstract class RecordWriter<K,V>
extends java.lang.Object
RecordWriter
writes the output <key, value> pairs
to an output file.
RecordWriter
implementations write the job outputs to the
FileSystem
.
OutputFormat
Constructor and Description |
---|
RecordWriter() |
Modifier and Type | Method and Description |
---|---|
abstract void |
close(TaskAttemptContext context)
Close this
RecordWriter to future operations. |
abstract void |
write(K key,
V value)
Writes a key/value pair.
|
public abstract void write(K key, V value) throws java.io.IOException, java.lang.InterruptedException
key
- the key to write.value
- the value to write.java.io.IOException
java.lang.InterruptedException
public abstract void close(TaskAttemptContext context) throws java.io.IOException, java.lang.InterruptedException
RecordWriter
to future operations.context
- the context of the taskjava.io.IOException
java.lang.InterruptedException
Copyright © 2009 The Apache Software Foundation