本文整理汇总了Java中org.apache.crunch.impl.mem.MemPipeline.typedTableOf方法的典型用法代码示例。如果您正苦于以下问题:Java MemPipeline.typedTableOf方法的具体用法?Java MemPipeline.typedTableOf怎么用?Java MemPipeline.typedTableOf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.crunch.impl.mem.MemPipeline
的用法示例。
在下文中一共展示了MemPipeline.typedTableOf方法的7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: testPercentilesExact
import org.apache.crunch.impl.mem.MemPipeline; //导入方法依赖的package包/类
@Test
public void testPercentilesExact() {
PTable<String, Integer> testTable = MemPipeline.typedTableOf(
tableOf(strings(), ints()),
"a", 5,
"a", 2,
"a", 3,
"a", 4,
"a", 1);
Map<String, Result<Integer>> actualS = Percentiles.distributed(testTable, 0, 0.5, 1.0).materializeToMap();
Map<String, Result<Integer>> actualM = Percentiles.inMemory(testTable, 0, 0.5, 1.0).materializeToMap();
Map<String, Result<Integer>> expected = ImmutableMap.of(
"a", result(5, Pair.of(0.0, 1), Pair.of(0.5, 3), Pair.of(1.0, 5))
);
assertEquals(expected, actualS);
assertEquals(expected, actualM);
}
示例2: testPercentilesBetween
import org.apache.crunch.impl.mem.MemPipeline; //导入方法依赖的package包/类
@Test
public void testPercentilesBetween() {
PTable<String, Integer> testTable = MemPipeline.typedTableOf(
tableOf(strings(), ints()),
"a", 5,
"a", 2, // We expect the 0.5 to correspond to this element, according to the "nearest rank" %ile definition.
"a", 4,
"a", 1);
Map<String, Result<Integer>> actualS = Percentiles.distributed(testTable, 0.5).materializeToMap();
Map<String, Result<Integer>> actualM = Percentiles.inMemory(testTable, 0.5).materializeToMap();
Map<String, Result<Integer>> expected = ImmutableMap.of(
"a", result(4, Pair.of(0.5, 2))
);
assertEquals(expected, actualS);
assertEquals(expected, actualM);
}
示例3: testPercentilesNines
import org.apache.crunch.impl.mem.MemPipeline; //导入方法依赖的package包/类
@Test
public void testPercentilesNines() {
PTable<String, Integer> testTable = MemPipeline.typedTableOf(
tableOf(strings(), ints()),
"a", 10,
"a", 20,
"a", 30,
"a", 40,
"a", 50,
"a", 60,
"a", 70,
"a", 80,
"a", 90,
"a", 100);
Map<String, Result<Integer>> actualS = Percentiles.distributed(testTable, 0.9, 0.99).materializeToMap();
Map<String, Result<Integer>> actualM = Percentiles.inMemory(testTable, 0.9, 0.99).materializeToMap();
Map<String, Result<Integer>> expected = ImmutableMap.of(
"a", result(10, Pair.of(0.9, 90), Pair.of(0.99, 100))
);
assertEquals(expected, actualS);
assertEquals(expected, actualM);
}
示例4: testPercentilesLessThanOrEqual
import org.apache.crunch.impl.mem.MemPipeline; //导入方法依赖的package包/类
@Test
public void testPercentilesLessThanOrEqual() {
PTable<String, Integer> testTable = MemPipeline.typedTableOf(
tableOf(strings(), ints()),
"a", 10,
"a", 20,
"a", 30,
"a", 40,
"a", 50,
"a", 60,
"a", 70,
"a", 80,
"a", 90,
"a", 100);
Map<String, Result<Integer>> actualS = Percentiles.distributed(testTable, 0.5).materializeToMap();
Map<String, Result<Integer>> actualM = Percentiles.inMemory(testTable, 0.5).materializeToMap();
Map<String, Result<Integer>> expected = ImmutableMap.of(
"a", result(10, Pair.of(0.5, 50))
);
assertEquals(expected, actualS);
assertEquals(expected, actualM);
}
示例5: testMeanValue
import org.apache.crunch.impl.mem.MemPipeline; //导入方法依赖的package包/类
@Test
public void testMeanValue() {
PTable<String, Integer> testTable = MemPipeline.typedTableOf(
tableOf(strings(), ints()),
"a", 2,
"a", 10,
"b", 3,
"c", 3,
"c", 4,
"c", 5);
Map<String, Double> actual = Averages.meanValue(testTable).materializeToMap();
Map<String, Double> expected = ImmutableMap.of(
"a", 6.0,
"b", 3.0,
"c", 4.0
);
assertEquals(expected, actual);
}
示例6: testTopNYbyX
import org.apache.crunch.impl.mem.MemPipeline; //导入方法依赖的package包/类
@Test
public void testTopNYbyX() {
PTable<String, String> data = MemPipeline.typedTableOf(tableOf(strings(), strings()),
"a","x",
"a","x",
"a","x",
"a","y",
"a","y",
"a","z",
"b","x",
"b","x",
"b","z");
Map<String, Collection<Pair<Long, String>>> actual = TopLists.topNYbyX(data, 2).materializeToMap();
Map<String, Collection<Pair<Long, String>>> expected = ImmutableMap.of(
"a", collectionOf(Pair.of(3L, "x"), Pair.of(2L, "y")),
"b", collectionOf(Pair.of(2L, "x"), Pair.of(1L, "z")));
assertEquals(expected, actual);
}
示例7: testSwapKeyValue
import org.apache.crunch.impl.mem.MemPipeline; //导入方法依赖的package包/类
@Test
public void testSwapKeyValue() {
PTable<String, Long> table = MemPipeline.typedTableOf(tableOf(strings(), longs()), "hello", 14L, "goodbye", 21L);
PTable<Long, String> actual = SPTables.swapKeyValue(table);
Map<Long, String> expected = ImmutableMap.of(14L, "hello", 21L, "goodbye");
assertEquals(expected, actual.materializeToMap());
}