本文整理汇总了Java中org.apache.hadoop.mapreduce.lib.db.DataDrivenDBInputFormat.DataDrivenDBInputSplit类的典型用法代码示例。如果您正苦于以下问题：Java DataDrivenDBInputSplit类的具体用法？Java DataDrivenDBInputSplit怎么用？Java DataDrivenDBInputSplit使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
DataDrivenDBInputSplit类属于org.apache.hadoop.mapreduce.lib.db.DataDrivenDBInputFormat包，在下文中一共展示了DataDrivenDBInputSplit类的3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: testDataDrivenDBInputFormat
import org.apache.hadoop.mapreduce.lib.db.DataDrivenDBInputFormat.DataDrivenDBInputSplit; //导入依赖的package包/类
@Test(timeout = 10000)
public void testDataDrivenDBInputFormat() throws Exception {
JobContext jobContext = mock(JobContext.class);
Configuration configuration = new Configuration();
configuration.setInt(MRJobConfig.NUM_MAPS, 1);
when(jobContext.getConfiguration()).thenReturn(configuration);
DataDrivenDBInputFormat<NullDBWritable> format = new DataDrivenDBInputFormat<NullDBWritable>();
List<InputSplit> splits = format.getSplits(jobContext);
assertEquals(1, splits.size());
DataDrivenDBInputSplit split = (DataDrivenDBInputSplit) splits.get(0);
assertEquals("1=1", split.getLowerClause());
assertEquals("1=1", split.getUpperClause());
// 2
configuration.setInt(MRJobConfig.NUM_MAPS, 2);
DataDrivenDBInputFormat.setBoundingQuery(configuration, "query");
assertEquals("query",
configuration.get(DBConfiguration.INPUT_BOUNDING_QUERY));
Job job = mock(Job.class);
when(job.getConfiguration()).thenReturn(configuration);
DataDrivenDBInputFormat.setInput(job, NullDBWritable.class, "query",
"Bounding Query");
assertEquals("Bounding Query",
configuration.get(DBConfiguration.INPUT_BOUNDING_QUERY));
}
示例2: assertSplits
import org.apache.hadoop.mapreduce.lib.db.DataDrivenDBInputFormat.DataDrivenDBInputSplit; //导入依赖的package包/类
private void assertSplits(String[] expectedSplitRE,
List<InputSplit> splits) throws IOException {
assertEquals(expectedSplitRE.length, splits.size());
for (int i = 0; i < expectedSplitRE.length; i++) {
DataDrivenDBInputSplit split = (DataDrivenDBInputSplit) splits.get(i);
String actualExpr = split.getLowerClause() + " " + split.getUpperClause();
assertTrue("Split #" + (i+1) + " expression is wrong."
+ " Expected " + expectedSplitRE[i]
+ " Actual " + actualExpr,
Pattern.matches(expectedSplitRE[i], actualExpr));
}
}
示例3: testDataDrivenDBInputFormat
import org.apache.hadoop.mapreduce.lib.db.DataDrivenDBInputFormat.DataDrivenDBInputSplit; //导入依赖的package包/类
@Test(timeout = 1000)
public void testDataDrivenDBInputFormat() throws Exception {
JobContext jobContext = mock(JobContext.class);
Configuration configuration = new Configuration();
configuration.setInt(MRJobConfig.NUM_MAPS, 1);
when(jobContext.getConfiguration()).thenReturn(configuration);
DataDrivenDBInputFormat<NullDBWritable> format = new DataDrivenDBInputFormat<NullDBWritable>();
List<InputSplit> splits = format.getSplits(jobContext);
assertEquals(1, splits.size());
DataDrivenDBInputSplit split = (DataDrivenDBInputSplit) splits.get(0);
assertEquals("1=1", split.getLowerClause());
assertEquals("1=1", split.getUpperClause());
// 2
configuration.setInt(MRJobConfig.NUM_MAPS, 2);
DataDrivenDBInputFormat.setBoundingQuery(configuration, "query");
assertEquals("query",
configuration.get(DBConfiguration.INPUT_BOUNDING_QUERY));
Job job = mock(Job.class);
when(job.getConfiguration()).thenReturn(configuration);
DataDrivenDBInputFormat.setInput(job, NullDBWritable.class, "query",
"Bounding Query");
assertEquals("Bounding Query",
configuration.get(DBConfiguration.INPUT_BOUNDING_QUERY));
}