本文整理汇总了Java中org.apache.hadoop.mapred.JobConf.setClassLoader方法的典型用法代码示例。如果您正苦于以下问题：Java JobConf.setClassLoader方法的具体用法？Java JobConf.setClassLoader怎么用？Java JobConf.setClassLoader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.JobConf的用法示例。
在下文中一共展示了JobConf.setClassLoader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: testClassLoader
import org.apache.hadoop.mapred.JobConf; //导入方法依赖的package包/类
/**
* Tests the class loader set by {@link JobConf#setClassLoader(ClassLoader)}
* is inherited by any {@link WrappedRecordReader}s created by
* {@link CompositeRecordReader}
*/
public void testClassLoader() throws Exception {
JobConf job = new JobConf();
Fake_ClassLoader classLoader = new Fake_ClassLoader();
job.setClassLoader(classLoader);
assertTrue(job.getClassLoader() instanceof Fake_ClassLoader);
FileSystem fs = FileSystem.get(job);
Path testdir = new Path(System.getProperty("test.build.data", "/tmp"))
.makeQualified(fs);
Path base = new Path(testdir, "/empty");
Path[] src = { new Path(base, "i0"), new Path("i1"), new Path("i2") };
job.set("mapreduce.join.expr", CompositeInputFormat.compose("outer",
IF_ClassLoaderChecker.class, src));
CompositeInputFormat<NullWritable> inputFormat = new CompositeInputFormat<NullWritable>();
inputFormat.getRecordReader(inputFormat.getSplits(job, 1)[0], job,
Reporter.NULL);
}
示例2: getConf
import org.apache.hadoop.mapred.JobConf; //导入方法依赖的package包/类
private JobConf getConf(JobConf job) {
JobConf conf = new JobConf(job);
FileInputFormat.setInputPaths(conf, indir);
conf.setClassLoader(job.getClassLoader());
return conf;
}