Java Throwables.propagateIfInstanceOf方法代碼示例

import com.google.common.base.Throwables; //導入方法依賴的package包/類
@Override
public Buffer rebuffer(long position)
{
    try
    {
        metrics.requests.mark();
        long pageAlignedPos = position & alignmentMask;
        Buffer buf;
        do
            buf = cache.get(new Key(source, pageAlignedPos)).reference();
        while (buf == null);

        return buf;
    }
    catch (Throwable t)
    {
        Throwables.propagateIfInstanceOf(t.getCause(), CorruptSSTableException.class);
        throw Throwables.propagate(t);
    }
}
 

import com.google.common.base.Throwables; //導入方法依賴的package包/類
public static int remaining(Channel ch) throws EventDeliveryException {
  Transaction t = ch.getTransaction();
  try {
    t.begin();
    int count = 0;
    while (ch.take() != null) {
      count += 1;
    }
    t.commit();
    return count;
  } catch (Throwable th) {
    t.rollback();
    Throwables.propagateIfInstanceOf(th, Error.class);
    Throwables.propagateIfInstanceOf(th, EventDeliveryException.class);
    throw new EventDeliveryException(th);
  } finally {
    t.close();
  }
}
 

import com.google.common.base.Throwables; //導入方法依賴的package包/類
public static void putToChannel(Channel in, Iterable<Event> records)
    throws EventDeliveryException {
  Transaction t = in.getTransaction();
  try {
    t.begin();
    for (Event record : records) {
      in.put(record);
    }
    t.commit();
  } catch (Throwable th) {
    t.rollback();
    Throwables.propagateIfInstanceOf(th, Error.class);
    Throwables.propagateIfInstanceOf(th, EventDeliveryException.class);
    throw new EventDeliveryException(th);
  } finally {
    t.close();
  }
}
 

import com.google.common.base.Throwables; //導入方法依賴的package包/類
private VirtualDatasetUI newDataset(DatasetPath datasetPath, DatasetVersion version,
    From from, List<String> sqlContext) {

  final VirtualDatasetUI ds = com.dremio.dac.explore.DatasetTool.newDatasetBeforeQueryMetadata(datasetPath, version, from, sqlContext, username);
  final SqlQuery query = new SqlQuery(ds.getSql(), ds.getState().getContextList(), username);
  ds.setLastTransform(new Transform(TransformType.createFromParent).setTransformCreateFromParent(new TransformCreateFromParent(from)));
  final QueryMetadata metadata;

  try {
    Stopwatch sw = Stopwatch.createStarted();
    metadata = QueryParser.extract(query, context);
    long t = sw.elapsed(MILLISECONDS);
    if (t > 100) {
      logger.warn(String.format("parsing sql took %dms for %s:\n%s", t, ds.getName(), ds.getSql()));
    }
  } catch (RuntimeException e) {
    Throwables.propagateIfInstanceOf(e, UserException.class);
    throw new ServerErrorException("Produced invalid SQL:\n" + ds.getSql() + "\n" + e.getMessage(), e);
  }
  QuerySemantics.populateSemanticFields(metadata.getRowType(), ds.getState());
  DatasetTool.applyQueryMetadata(ds, metadata);

  return ds;
}
 

import com.google.common.base.Throwables; //導入方法依賴的package包/類
@Override
protected void map(ImmutableBytesWritable key, Result value, Context context)
    throws IOException, InterruptedException {
  try {
    // first, finish any hash batches that end before the scanned row
    while (nextSourceKey != null && key.compareTo(nextSourceKey) >= 0) {
      moveToNextBatch(context);
    }
    
    // next, add the scanned row (as long as we've reached the first batch)
    if (targetHasher.isBatchStarted()) {
      targetHasher.hashResult(value);
    }
  } catch (Throwable t) {
    mapperException = t;
    Throwables.propagateIfInstanceOf(t, IOException.class);
    Throwables.propagateIfInstanceOf(t, InterruptedException.class);
    Throwables.propagate(t);
  }
}
 

import com.google.common.base.Throwables; //導入方法依賴的package包/類
@Override
public void compactKeyValues() throws IOException {
  try {
    compact();
  }catch(RocksDBException ex) {
    Throwables.propagateIfInstanceOf(ex, IOException.class);
    throw new IOException(ex);
  }
}
 

import com.google.common.base.Throwables; //導入方法依賴的package包/類
private StoreWithId checkedGet(StoreBuilderConfig key) throws DatastoreException {
  try{
    return stores.get(key);
  } catch (ExecutionException ex){
    Throwables.propagateIfInstanceOf(ex.getCause(), DatastoreException.class);
    throw new DatastoreException(ex);
  }
}
 

import com.google.common.base.Throwables; //導入方法依賴的package包/類
@Override
public ResultSet getTables(String catalog,
                           String schemaPattern,
                           String tableNamePattern,
                           String[] types) throws SQLException {
  throwIfClosed();
  try {
    return super.getTables(catalog, schemaPattern,tableNamePattern, types);
  } catch(SQLExecutionError e) {
    Throwables.propagateIfInstanceOf(e.getCause(), SQLException.class);
    throw e;
  }
}
 

import com.google.common.base.Throwables; //導入方法依賴的package包/類
@Override
public ResultSet getSchemas() throws SQLException {
  throwIfClosed();
  try {
    return super.getSchemas();
  } catch(SQLExecutionError e) {
    Throwables.propagateIfInstanceOf(e.getCause(), SQLException.class);
    throw e;
  }
}
 

import com.google.common.base.Throwables; //導入方法依賴的package包/類
@Override
public ResultSet getCatalogs() throws SQLException {
  throwIfClosed();
  try {
    return super.getCatalogs();
  } catch(SQLExecutionError e) {
    Throwables.propagateIfInstanceOf(e.getCause(), SQLException.class);
    throw e;
  }
}
 

import com.google.common.base.Throwables; //導入方法依賴的package包/類
@Override
public ResultSet getColumns(String catalog, String schema, String table,
                            String columnNamePattern) throws SQLException {
  try {
    throwIfClosed();
    return super.getColumns(catalog, schema, table, columnNamePattern);
  } catch(SQLExecutionError e) {
    Throwables.propagateIfInstanceOf(e.getCause(), SQLException.class);
    throw e;
  }
}
 

import com.google.common.base.Throwables; //導入方法依賴的package包/類
@Override
protected ExecuteResult prepareAndExecuteInternal(AvaticaStatement statement, String sql, long maxRowCount)
    throws SQLException, NoSuchStatementException {
  try {
    return super.prepareAndExecuteInternal(statement, sql, maxRowCount);
  } catch(RuntimeException e) {
    Throwables.propagateIfInstanceOf(e.getCause(), SQLException.class);
    throw e;
  }
}
 

import com.google.common.base.Throwables; //導入方法依賴的package包/類
@Override
public Status process() throws EventDeliveryException {
  long processedEvents = 0;

  try {
    if (shouldRoll()) {
      closeWriter();
      commitTransaction();
      createWriter();
    }

    // The writer shouldn't be null at this point
    Preconditions.checkNotNull(writer,
        "Can't process events with a null writer. This is likely a bug.");
    Channel channel = getChannel();

    // Enter the transaction boundary if we haven't already
    enterTransaction(channel);

    for (; processedEvents < batchSize; processedEvents += 1) {
      Event event = channel.take();

      if (event == null) {
        // no events available in the channel
        break;
      }

      write(event);
    }

    // commit transaction
    if (commitOnBatch) {
      // Flush/sync before commiting. A failure here will result in rolling back
      // the transaction
      if (syncOnBatch && writer instanceof Syncable) {
        ((Syncable) writer).sync();
      } else if (writer instanceof Flushable) {
        ((Flushable) writer).flush();
      }
      boolean committed = commitTransaction();
      Preconditions.checkState(committed,
          "Tried to commit a batch when there was no transaction");
      committedBatch |= committed;
    }
  } catch (Throwable th) {
    // catch-all for any unhandled Throwable so that the transaction is
    // correctly rolled back.
    rollbackTransaction();

    if (commitOnBatch && committedBatch) {
      try {
        closeWriter();
      } catch (EventDeliveryException ex) {
        LOG.warn("Error closing writer there may be temp files that need to"
            + " be manually recovered: " + ex.getLocalizedMessage());
        LOG.debug("Exception follows.", ex);
      }
    } else {
      this.writer = null;
    }

    // handle the exception
    Throwables.propagateIfInstanceOf(th, Error.class);
    Throwables.propagateIfInstanceOf(th, EventDeliveryException.class);
    throw new EventDeliveryException(th);
  }

  if (processedEvents == 0) {
    counter.incrementBatchEmptyCount();
    return Status.BACKOFF;
  } else if (processedEvents < batchSize) {
    counter.incrementBatchUnderflowCount();
  } else {
    counter.incrementBatchCompleteCount();
  }

  counter.addToEventDrainSuccessCount(processedEvents);

  return Status.READY;
}