Package com.google.appengine.tools.pipeline.impl.model

Examples of com.google.appengine.tools.pipeline.impl.model.FanoutTaskRecord

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  /**
   * Tests conversion of {@link FanoutTaskRecord} to and from an {@link Entity}
   */
  public void testFanoutTaskRecord() throws Exception {
    Key rootJobKey = KeyFactory.createKey("dummy", "dummy");
    FanoutTaskRecord record = new FanoutTaskRecord(rootJobKey, encodedBytes);
    Entity entity = record.toEntity();
    // reconstitute entity
    record = new FanoutTaskRecord(entity);
    checkBytes(record.getPayload());
  }
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        UpdateSpec.TransactionWithTasks transactionWithTasks =
            (UpdateSpec.TransactionWithTasks) transactionSpec;
        Collection<Task> tasks = transactionWithTasks.getTasks();
        if (tasks.size() > 0) {
          byte[] encodedTasks = FanoutTask.encodeTasks(tasks);
          FanoutTaskRecord ftRecord = new FanoutTaskRecord(rootJobKey, encodedTasks);
          // Store FanoutTaskRecord outside of any transaction, but before
          // the FanoutTask is enqueued. If the put succeeds but the
          // enqueue fails then the FanoutTaskRecord is orphaned. But
          // the Pipeline is still consistent.
          dataStore.put(null, ftRecord.toEntity());
          FanoutTask fannoutTask = new FanoutTask(ftRecord.getKey(), queueSettings);
          taskQueue.enqueue(fannoutTask);
        }
      }
      transaction.commit();
    } finally {
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  @Override
  public void handleFanoutTask(FanoutTask fanoutTask) throws NoSuchObjectException {
    Key fanoutTaskRecordKey = fanoutTask.getRecordKey();
    // Fetch the fanoutTaskRecord outside of any transaction
    Entity entity = getEntity("handleFanoutTask", fanoutTaskRecordKey);
    FanoutTaskRecord ftRecord = new FanoutTaskRecord(entity);
    byte[] encodedBytes = ftRecord.getPayload();
    taskQueue.enqueue(FanoutTask.decodeTasks(encodedBytes));
  }
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        UpdateSpec.TransactionWithTasks transactionWithTasks =
            (UpdateSpec.TransactionWithTasks) transactionSpec;
        Collection<Task> tasks = transactionWithTasks.getTasks();
        if (tasks.size() > 0) {
          byte[] encodedTasks = FanoutTask.encodeTasks(tasks);
          FanoutTaskRecord ftRecord = new FanoutTaskRecord(rootJobKey, encodedTasks);
          // Store FanoutTaskRecord outside of any transaction, but before
          // the FanoutTask is enqueued. If the put succeeds but the
          // enqueue fails then the FanoutTaskRecord is orphaned. But
          // the Pipeline is still consistent.
          dataStore.put(null, ftRecord.toEntity());
          FanoutTask fannoutTask = new FanoutTask(ftRecord.getKey());
          taskQueue.enqueue(fannoutTask);
        }
      }
      transaction.commit();
    } finally {
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    try {
      entity = dataStore.get(null, fanoutTaskRecordKey);
    } catch (EntityNotFoundException e) {
      throw new NoSuchObjectException(fanoutTaskRecordKey.toString(), e);
    }
    FanoutTaskRecord ftRecord = new FanoutTaskRecord(entity);
    byte[] encodedBytes = ftRecord.getPayload();
    taskQueue.enqueue(FanoutTask.decodeTasks(encodedBytes));
  }
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Related Classes of com.google.appengine.tools.pipeline.impl.model.FanoutTaskRecord

  • com.google.appengine.api.datastore.Blob
  • com.google.appengine.api.datastore.Entity
  • com.google.appengine.tools.pipeline.FanoutTaskTest
  • com.google.appengine.tools.pipeline.impl.backend.AppEngineBackEnd
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