本文整理汇总了Java中org.apache.flink.runtime.operators.ReduceDriver类的典型用法代码示例。如果您正苦于以下问题:Java ReduceDriver类的具体用法?Java ReduceDriver怎么用?Java ReduceDriver使用的例子?那么, 这里精选的类代码示例或许可以为您提供帮助。
ReduceDriver类属于org.apache.flink.runtime.operators包,在下文中一共展示了ReduceDriver类的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: testReduceDriverImmutableEmpty
import org.apache.flink.runtime.operators.ReduceDriver; //导入依赖的package包/类
@Test
public void testReduceDriverImmutableEmpty() {
try {
TestTaskContext<ReduceFunction<Tuple2<String, Integer>>, Tuple2<String, Integer>> context =
new TestTaskContext<ReduceFunction<Tuple2<String,Integer>>, Tuple2<String,Integer>>();
List<Tuple2<String, Integer>> data = DriverTestData.createReduceImmutableData();
TupleTypeInfo<Tuple2<String, Integer>> typeInfo = (TupleTypeInfo<Tuple2<String, Integer>>) TypeExtractor.getForObject(data.get(0));
MutableObjectIterator<Tuple2<String, Integer>> input = EmptyMutableObjectIterator.get();
context.setDriverStrategy(DriverStrategy.SORTED_REDUCE);
TypeComparator<Tuple2<String, Integer>> comparator = typeInfo.createComparator(new int[]{0}, new boolean[] {true}, 0, new ExecutionConfig());
GatheringCollector<Tuple2<String, Integer>> result = new GatheringCollector<Tuple2<String,Integer>>(typeInfo.createSerializer(new ExecutionConfig()));
context.setInput1(input, typeInfo.createSerializer(new ExecutionConfig()));
context.setComparator1(comparator);
context.setCollector(result);
ReduceDriver<Tuple2<String, Integer>> driver = new ReduceDriver<Tuple2<String,Integer>>();
driver.setup(context);
driver.prepare();
driver.run();
Assert.assertEquals(0, result.getList().size());
}
catch (Exception e) {
System.err.println(e.getMessage());
e.printStackTrace();
Assert.fail(e.getMessage());
}
}
示例2: testReduceDriverImmutableEmpty
import org.apache.flink.runtime.operators.ReduceDriver; //导入依赖的package包/类
@Test
public void testReduceDriverImmutableEmpty() {
try {
TestTaskContext<ReduceFunction<Tuple2<String, Integer>>, Tuple2<String, Integer>> context =
new TestTaskContext<ReduceFunction<Tuple2<String,Integer>>, Tuple2<String,Integer>>();
List<Tuple2<String, Integer>> data = DriverTestData.createReduceImmutableData();
TupleTypeInfo<Tuple2<String, Integer>> typeInfo = (TupleTypeInfo<Tuple2<String, Integer>>) TypeExtractor.getForObject(data.get(0));
MutableObjectIterator<Tuple2<String, Integer>> input = EmptyMutableObjectIterator.get();
context.setDriverStrategy(DriverStrategy.SORTED_REDUCE);
TypeComparator<Tuple2<String, Integer>> comparator = typeInfo.createComparator(new int[]{0}, new boolean[] {true}, 0);
GatheringCollector<Tuple2<String, Integer>> result = new GatheringCollector<Tuple2<String,Integer>>(typeInfo.createSerializer());
context.setInput1(input, typeInfo.createSerializer());
context.setComparator1(comparator);
context.setCollector(result);
ReduceDriver<Tuple2<String, Integer>> driver = new ReduceDriver<Tuple2<String,Integer>>();
driver.setup(context);
driver.prepare();
driver.run();
Assert.assertEquals(0, result.getList().size());
}
catch (Exception e) {
System.err.println(e.getMessage());
e.printStackTrace();
Assert.fail(e.getMessage());
}
}