本文整理了Java中org.apache.hadoop.mapreduce.lib.output.MultipleOutputs.getNamedOutputKeyClass()方法的一些代码示例，展示了MultipleOutputs.getNamedOutputKeyClass()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。MultipleOutputs.getNamedOutputKeyClass()方法的具体详情如下：
包路径：org.apache.hadoop.mapreduce.lib.output.MultipleOutputs
类名称：MultipleOutputs
方法名：getNamedOutputKeyClass

MultipleOutputs.getNamedOutputKeyClass介绍

暂无

代码示例

代码示例来源：origin: io.prestosql.hadoop/hadoop-apache

private TaskAttemptContext getContext(String nameOutput) throws IOException {
  
 TaskAttemptContext taskContext = taskContexts.get(nameOutput);
 
 if (taskContext != null) {
   return taskContext;
 }
 
 // The following trick leverages the instantiation of a record writer via
 // the job thus supporting arbitrary output formats.
 Job job = Job.getInstance(context.getConfiguration());
 job.setOutputFormatClass(getNamedOutputFormatClass(context, nameOutput));
 job.setOutputKeyClass(getNamedOutputKeyClass(context, nameOutput));
 job.setOutputValueClass(getNamedOutputValueClass(context, nameOutput));
 taskContext = new TaskAttemptContextImpl(job.getConfiguration(), context
   .getTaskAttemptID(), new WrappedStatusReporter(context));
 taskContexts.put(nameOutput, taskContext);
 return taskContext;
}

代码示例来源：origin: org.apache.hadoop/hadoop-mapred

private TaskAttemptContext getContext(String nameOutput) throws IOException {
  
 TaskAttemptContext taskContext = taskContexts.get(nameOutput);
 
 if (taskContext != null) {
   return taskContext;
 }
 
 // The following trick leverages the instantiation of a record writer via
 // the job thus supporting arbitrary output formats.
 Job job = new Job(context.getConfiguration());
 job.setOutputFormatClass(getNamedOutputFormatClass(context, nameOutput));
 job.setOutputKeyClass(getNamedOutputKeyClass(context, nameOutput));
 job.setOutputValueClass(getNamedOutputValueClass(context, nameOutput));
 taskContext = new TaskAttemptContextImpl(job.getConfiguration(), context
   .getTaskAttemptID(), new WrappedStatusReporter(context));
 taskContexts.put(nameOutput, taskContext);
 return taskContext;
}

代码示例来源：origin: io.hops/hadoop-mapreduce-client-core

private TaskAttemptContext getContext(String nameOutput) throws IOException {
  
 TaskAttemptContext taskContext = taskContexts.get(nameOutput);
 
 if (taskContext != null) {
   return taskContext;
 }
 
 // The following trick leverages the instantiation of a record writer via
 // the job thus supporting arbitrary output formats.
 Job job = Job.getInstance(context.getConfiguration());
 job.setOutputFormatClass(getNamedOutputFormatClass(context, nameOutput));
 job.setOutputKeyClass(getNamedOutputKeyClass(context, nameOutput));
 job.setOutputValueClass(getNamedOutputValueClass(context, nameOutput));
 taskContext = new TaskAttemptContextImpl(job.getConfiguration(), context
   .getTaskAttemptID(), new WrappedStatusReporter(context));
 taskContexts.put(nameOutput, taskContext);
 return taskContext;
}

代码示例来源：origin: ch.cern.hadoop/hadoop-mapreduce-client-core

private TaskAttemptContext getContext(String nameOutput) throws IOException {
  
 TaskAttemptContext taskContext = taskContexts.get(nameOutput);
 
 if (taskContext != null) {
   return taskContext;
 }
 
 // The following trick leverages the instantiation of a record writer via
 // the job thus supporting arbitrary output formats.
 Job job = Job.getInstance(context.getConfiguration());
 job.setOutputFormatClass(getNamedOutputFormatClass(context, nameOutput));
 job.setOutputKeyClass(getNamedOutputKeyClass(context, nameOutput));
 job.setOutputValueClass(getNamedOutputValueClass(context, nameOutput));
 taskContext = new TaskAttemptContextImpl(job.getConfiguration(), context
   .getTaskAttemptID(), new WrappedStatusReporter(context));
 taskContexts.put(nameOutput, taskContext);
 return taskContext;
}

代码示例来源：origin: com.github.jiayuhan-it/hadoop-mapreduce-client-core

private TaskAttemptContext getContext(String nameOutput) throws IOException {
  
 TaskAttemptContext taskContext = taskContexts.get(nameOutput);
 
 if (taskContext != null) {
   return taskContext;
 }
 
 // The following trick leverages the instantiation of a record writer via
 // the job thus supporting arbitrary output formats.
 Job job = Job.getInstance(context.getConfiguration());
 job.setOutputFormatClass(getNamedOutputFormatClass(context, nameOutput));
 job.setOutputKeyClass(getNamedOutputKeyClass(context, nameOutput));
 job.setOutputValueClass(getNamedOutputValueClass(context, nameOutput));
 taskContext = new TaskAttemptContextImpl(job.getConfiguration(), context
   .getTaskAttemptID(), new WrappedStatusReporter(context));
 taskContexts.put(nameOutput, taskContext);
 return taskContext;
}