本文整理汇总了Java中org.apache.hadoop.io.LongWritable.compareTo方法的典型用法代码示例。如果您正苦于以下问题：Java LongWritable.compareTo方法的具体用法？Java LongWritable.compareTo怎么用？Java LongWritable.compareTo使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.hadoop.io.LongWritable的用法示例。
在下文中一共展示了LongWritable.compareTo方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: reduce
import org.apache.hadoop.io.LongWritable; //导入方法依赖的package包/类
@Override
public void reduce(Text key, Iterator<LongWritable> values,
OutputCollector<Text, LongWritable> output, Reporter reporter)
throws IOException {
LongWritable maxValue = null;
while (values.hasNext()) {
LongWritable value = values.next();
if (maxValue == null) {
maxValue = value;
} else if (value.compareTo(maxValue) > 0) {
maxValue = value;
}
}
output.collect(key, maxValue);
}
示例2: reduce
import org.apache.hadoop.io.LongWritable; //导入方法依赖的package包/类
@Override
protected void reduce(Text key, Iterable<LongWritable> values,
Context context)
throws IOException, InterruptedException {
LongWritable maxValue = null;
for (LongWritable value : values) {
if (maxValue == null) {
maxValue = value;
} else if (value.compareTo(maxValue) > 0) {
maxValue = value;
}
}
context.write(key, maxValue);
}