org.apache.hadoop.streaming.io

类 InputWriter<K,V>

java.lang.Object

org.apache.hadoop.streaming.io.InputWriter<K,V>

直接已知子类:

RawBytesInputWriter, TextInputWriter, TypedBytesInputWriter

public abstract class InputWriter<K,V>
extends Object

Abstract base for classes that write the client's input.

构造器概要

构造器

构造器和说明
InputWriter()

方法概要

方法

限定符和类型	方法和说明
void	initialize(PipeMapRed pipeMapRed) Initializes the InputWriter.
abstract void	writeKey(K key) Writes an input key.
abstract void	writeValue(V value) Writes an input value.

从类继承的方法 java.lang.Object

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

构造器详细资料

InputWriter

public InputWriter()

方法详细资料

initialize

public void initialize(PipeMapRed pipeMapRed)
                throws IOException

Initializes the InputWriter. This method has to be called before calling any of the other methods.

抛出:

IOException

writeKey

public abstract void writeKey(K key)
                       throws IOException

Writes an input key.

抛出:

IOException

writeValue

public abstract void writeValue(V value)
                         throws IOException

Writes an input value.

抛出:

IOException