本文整理匯總了Java中org.apache.hadoop.io.LongWritable.compareTo方法的典型用法代碼示例。如果您正苦於以下問題:Java LongWritable.compareTo方法的具體用法?Java LongWritable.compareTo怎麽用?Java LongWritable.compareTo使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類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個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: reduce
import org.apache.hadoop.io.LongWritable; //導入方法依賴的package包/類
@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; //導入方法依賴的package包/類
@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);
}