本文整理汇总了Java中org.apache.hadoop.io.IntWritable.equals方法的典型用法代码示例。如果您正苦于以下问题：Java IntWritable.equals方法的具体用法？Java IntWritable.equals怎么用？Java IntWritable.equals使用的例子？那么恭喜您, 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.IntWritable的用法示例。
在下文中一共展示了IntWritable.equals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.IntWritable; //导入方法依赖的package包/类
public void reduce(BytesWritable key, Iterator<IntWritable> values,
OutputCollector<BytesWritable, IntWritable> output,
Reporter reporter) throws IOException {
int ones = 0;
int twos = 0;
while (values.hasNext()) {
IntWritable count = values.next();
if (count.equals(sortInput)) {
++ones;
} else if (count.equals(sortOutput)) {
++twos;
} else {
throw new IOException("Invalid 'value' of " + count.get() +
" for (key,value): " + key.toString());
}
}
// Check to ensure there are equal no. of ones and twos
if (ones != twos) {
throw new IOException("Illegal ('one', 'two'): (" + ones + ", " + twos +
") for (key, value): " + key.toString());
}
}
示例2: countProduct
import org.apache.hadoop.io.IntWritable; //导入方法依赖的package包/类
private static int countProduct(IntWritable key, Path[] src,
Configuration conf) throws IOException {
int product = 1;
for (Path p : src) {
int count = 0;
SequenceFile.Reader r = new SequenceFile.Reader(
cluster.getFileSystem(), p, conf);
IntWritable k = new IntWritable();
IntWritable v = new IntWritable();
while (r.next(k, v)) {
if (k.equals(key)) {
count++;
}
}
r.close();
if (count != 0) {
product *= count;
}
}
return product;
}