org.apache.hadoop.mapreduce.lib.output

类 TextOutputFormat.LineRecordWriter<K,V>

java.lang.Object

org.apache.hadoop.mapreduce.RecordWriter<K,V>

org.apache.hadoop.mapreduce.lib.output.TextOutputFormat.LineRecordWriter<K,V>

封闭类:

TextOutputFormat<K,V>

protected static class TextOutputFormat.LineRecordWriter<K,V>
extends RecordWriter<K,V>

字段概要

字段

限定符和类型	字段和说明
protected DataOutputStream	out

构造器概要

构造器

构造器和说明
TextOutputFormat.LineRecordWriter(DataOutputStream out)
TextOutputFormat.LineRecordWriter(DataOutputStream out, String keyValueSeparator)

方法概要

方法

限定符和类型	方法和说明
void	close(TaskAttemptContext context) Close this RecordWriter to future operations.
void	write(K key, V value) Writes a key/value pair.

从类继承的方法 java.lang.Object

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

字段详细资料

out

protected DataOutputStream out

构造器详细资料

TextOutputFormat.LineRecordWriter

public TextOutputFormat.LineRecordWriter(DataOutputStream out,
                                 String keyValueSeparator)

TextOutputFormat.LineRecordWriter

public TextOutputFormat.LineRecordWriter(DataOutputStream out)

方法详细资料

write

public void write(K key,
         V value)
           throws IOException

从类复制的说明: RecordWriter

Writes a key/value pair.

指定者:

write 在类中 RecordWriter<K,V>

参数:

key - the key to write.

value - the value to write.

抛出:

IOException

close

public void close(TaskAttemptContext context)
           throws IOException

从类复制的说明: RecordWriter

Close this RecordWriter to future operations.

指定者:

close 在类中 RecordWriter<K,V>

参数:

context - the context of the task

抛出:

IOException