摘要：
package com.elong; import org.apache.hadoop.io.Text; import org.apache.hadoop.io.WritableComparable; import java.io.DataInput; import java.io.DataOutp 阅读全文
摘要：
org.apache.hadoop.io包包含了6个Writable collection类型： ArrayWritable,TwoDArrayWritable是Writable实现了数组和二维数组的实例。所有的元素都必须是一个相同类的实例: ArrayWritable writable = new ArrayWritable(Text.class); ArrayPrimitiveWri... 阅读全文
摘要：
import java.io.DataInput; import java.io.DataOutput; import java.io.IOException; /** * Created by user on 16/3/17. */ public interface Writable { void write(DataOutput out) throws IOException;... 阅读全文