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.dataset.adapter;
  
  import java.io.Closeable;
  import java.io.IOException;
  
  import org.apache.asterix.active.message.ActiveManagerMessage;
  import org.apache.asterix.common.external.IDataSourceAdapter;
  import org.apache.asterix.external.dataflow.AbstractFeedDataFlowController;
  import org.apache.hyracks.api.comm.IFrameWriter;
  import org.apache.hyracks.api.exceptions.HyracksDataException;
  import org.apache.hyracks.storage.am.common.api.ITupleFilter;
  
  public class FeedAdapter implements IDataSourceAdapter, Closeable {
      private final AbstractFeedDataFlowController controller;
  
      public FeedAdapter(AbstractFeedDataFlowController controller) {
          this.controller = controller;
      }
  
      @Override
      public void start(int partition, IFrameWriter writer, ITupleFilter tupleFilter, long outputLimit)
              throws HyracksDataException, InterruptedException {
          controller.start(writer, tupleFilter, outputLimit);
      }
  
      @Override
      public long getProcessedTuples() {
          return controller.getProcessedTuples();
      }
  
      public boolean stop(long timeout) throws HyracksDataException {
          return controller.stop(timeout);
      }
  
      public boolean pause() throws HyracksDataException {
          return controller.pause();
      }
  
      public boolean resume() throws HyracksDataException {
          return controller.resume();
      }
  
      public String getStats() {
          return controller.getStats();
      }
  
      public AbstractFeedDataFlowController getController() {
          return controller;
      }
  
      @Override
      public void close() throws IOException {
          controller.close();
      }
  
      public void handleGenericEvent(ActiveManagerMessage event) {
          controller.handleGenericEvent(event);
      }
  }
  