content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.asterix.external.feed.dataflow;
  
  import java.nio.ByteBuffer;
  
  import org.apache.hyracks.api.comm.IFrameWriter;
  import org.apache.hyracks.api.context.IHyracksTaskContext;
  import org.apache.hyracks.api.exceptions.HyracksDataException;
  import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
  import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
  
  public class SyncFeedRuntimeInputHandler extends AbstractUnaryInputUnaryOutputOperatorNodePushable {
      private final FeedExceptionHandler exceptionHandler;
  
      public SyncFeedRuntimeInputHandler(IHyracksTaskContext ctx, IFrameWriter writer, FrameTupleAccessor fta) {
          this.writer = writer;
          this.exceptionHandler = new FeedExceptionHandler(ctx, fta);
      }
  
      @Override
      public void open() throws HyracksDataException {
          writer.open();
      }
  
      @Override
      public void nextFrame(ByteBuffer frame) throws HyracksDataException {
          while (frame != null) {
              try {
                  writer.nextFrame(frame);
                  return;
              } catch (HyracksDataException e) {
                  frame = exceptionHandler.handle(e, frame);
                  if (frame == null) {
                      throw e;
                  }
              }
          }
      }
  
      @Override
      public void fail() throws HyracksDataException {
          writer.fail();
      }
  
      @Override
      public void close() throws HyracksDataException {
          writer.close();
      }
  
      @Override
      public void flush() throws HyracksDataException {
          writer.flush();
      }
  
  }
  