本文整理汇总了Java中org.apache.hadoop.mapred.Counters.Counter.increment方法的典型用法代码示例。如果您正苦于以下问题：Java Counter.increment方法的具体用法？Java Counter.increment怎么用？Java Counter.increment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.mapred.Counters.Counter的用法示例。
在下文中一共展示了Counter.increment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: testCounterValue
import org.apache.hadoop.mapred.Counters.Counter; //导入方法依赖的package包/类
/**
* Verify counter value works
*/
@SuppressWarnings("deprecation")
@Test
public void testCounterValue() {
Counters counters = new Counters();
final int NUMBER_TESTS = 100;
final int NUMBER_INC = 10;
final Random rand = new Random();
for (int i = 0; i < NUMBER_TESTS; i++) {
long initValue = rand.nextInt();
long expectedValue = initValue;
Counter counter = counters.findCounter("foo", "bar");
counter.setValue(initValue);
assertEquals("Counter value is not initialized correctly",
expectedValue, counter.getValue());
for (int j = 0; j < NUMBER_INC; j++) {
int incValue = rand.nextInt();
counter.increment(incValue);
expectedValue += incValue;
assertEquals("Counter value is not incremented correctly",
expectedValue, counter.getValue());
}
expectedValue = rand.nextInt();
counter.setValue(expectedValue);
assertEquals("Counter value is not set correctly",
expectedValue, counter.getValue());
}
}
示例2: incrCounter
import org.apache.hadoop.mapred.Counters.Counter; //导入方法依赖的package包/类
protected static void incrCounter(@Nullable Counter counter, long incr) {
if (counter != null) {
synchronized (counter) {
counter.increment(incr);
}
}
}