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Java QueryUnitRequest.setInterQuery方法代码示例

本文整理汇总了Java中org.apache.tajo.engine.query.QueryUnitRequest.setInterQuery方法的典型用法代码示例。如果您正苦于以下问题:Java QueryUnitRequest.setInterQuery方法的具体用法?Java QueryUnitRequest.setInterQuery怎么用?Java QueryUnitRequest.setInterQuery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org.apache.tajo.engine.query.QueryUnitRequest的用法示例。


在下文中一共展示了QueryUnitRequest.setInterQuery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: assignTask

import org.apache.tajo.engine.query.QueryUnitRequest; //导入方法依赖的package包/类
private void assignTask(QueryUnitAttemptScheduleContext attemptContext, QueryUnitAttempt taskAttempt) {
  QueryUnitAttemptId attemptId = taskAttempt.getId();
  ContainerProxy containerProxy = context.getMasterContext().getResourceAllocator().
      getContainer(attemptContext.getContainerId());
  QueryUnitRequest taskAssign = new QueryUnitRequestImpl(
      attemptId,
      new ArrayList<FragmentProto>(taskAttempt.getQueryUnit().getAllFragments()),
      "",
      false,
      taskAttempt.getQueryUnit().getLogicalPlan().toJson(),
      context.getMasterContext().getQueryContext(),
      subQuery.getDataChannel(), subQuery.getBlock().getEnforcer());
  if (checkIfInterQuery(subQuery.getMasterPlan(), subQuery.getBlock())) {
    taskAssign.setInterQuery();
  }

  if (!context.isLeafQuery()) {
    Map<String, List<URI>> fetch = scheduledFetches.getNextFetch();
    scheduledFetches.popNextFetch();

    for (Entry<String, List<URI>> fetchEntry : fetch.entrySet()) {
      for (URI eachValue : fetchEntry.getValue()) {
        taskAssign.addFetch(fetchEntry.getKey(), eachValue);
      }
    }
  }

  context.getMasterContext().getEventHandler().handle(new TaskAttemptAssignedEvent(attemptId,
      attemptContext.getContainerId(), attemptContext.getHost(), containerProxy.getTaskPort()));

  totalAssigned++;
  attemptContext.getCallback().run(taskAssign.getProto());

  if (context.isLeafQuery()) {
    LOG.debug("DiskLocalAssigned / Total: " + diskLocalAssigned + " / " + totalAssigned);
    LOG.debug("HostLocalAssigned / Total: " + hostLocalAssigned + " / " + totalAssigned);
    LOG.debug("RackLocalAssigned: " + rackLocalAssigned + " / " + totalAssigned);
  }
}
 
开发者ID:apache,项目名称:incubator-tajo,代码行数:40,代码来源:LazyTaskScheduler.java

示例2: assignToNonLeafTasks

import org.apache.tajo.engine.query.QueryUnitRequest; //导入方法依赖的package包/类
public void assignToNonLeafTasks(LinkedList<TaskRequestEvent> taskRequests) {
  Collections.shuffle(taskRequests);

  TaskRequestEvent taskRequest;
  while (!taskRequests.isEmpty()) {
    taskRequest = taskRequests.pollFirst();
    LOG.debug("assignToNonLeafTasks: " + taskRequest.getExecutionBlockId());

    QueryUnitAttemptId attemptId;
    // random allocation
    if (nonLeafTasks.size() > 0) {
      synchronized (nonLeafTasks){
        attemptId = nonLeafTasks.iterator().next();
        nonLeafTasks.remove(attemptId);
      }
      LOG.debug("Assigned based on * match");

      QueryUnit task;
      task = subQuery.getQueryUnit(attemptId.getQueryUnitId());
      QueryUnitRequest taskAssign = new QueryUnitRequestImpl(
          attemptId,
          Lists.newArrayList(task.getAllFragments()),
          "",
          false,
          task.getLogicalPlan().toJson(),
          context.getMasterContext().getQueryContext(),
          subQuery.getDataChannel(),
          subQuery.getBlock().getEnforcer());
      if (checkIfInterQuery(subQuery.getMasterPlan(), subQuery.getBlock())) {
        taskAssign.setInterQuery();
      }
      for (ScanNode scan : task.getScanNodes()) {
        Collection<URI> fetches = task.getFetch(scan);
        if (fetches != null) {
          for (URI fetch : fetches) {
            taskAssign.addFetch(scan.getTableName(), fetch);
          }
        }
      }

      ContainerProxy container = context.getMasterContext().getResourceAllocator().getContainer(
          taskRequest.getContainerId());
      context.getMasterContext().getEventHandler().handle(new TaskAttemptAssignedEvent(attemptId,
          taskRequest.getContainerId(), container.getTaskHostName(), container.getTaskPort()));
      taskRequest.getCallback().run(taskAssign.getProto());
      totalAssigned++;
      scheduledObjectNum--;
    }
  }
}
 
开发者ID:apache,项目名称:incubator-tajo,代码行数:51,代码来源:DefaultTaskScheduler.java


注:本文中的org.apache.tajo.engine.query.QueryUnitRequest.setInterQuery方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。