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.api;
  
  import java.io.DataOutput;
  import java.io.IOException;
  import java.io.InputStream;
  
  import org.apache.hyracks.api.exceptions.HyracksDataException;
  
  public interface IStreamDataParser extends IDataParser {
      /**
       * Sets the inputStream for the parser. called only for parsers that support InputStreams
       *
       * @throws IOException
       */
      public void setInputStream(InputStream in) throws IOException;
  
      /**
       * Parse data into output AsterixDataModel binary records.
       * Used with parsers that support stream sources
       *
       * @param out
       *            DataOutput instance that for writing the parser output.
       * @throws IOException
       */
      public boolean parse(DataOutput out) throws HyracksDataException;
  
      /**
       * reset the parser state. this is called when a failure takes place
       * and the job needs to continue and to do that, the parser need to
       * be in a consistent state
       *
       * @return true if reset was successful, false, otherwise
       * @throws IOException
       */
      public boolean reset(InputStream in) throws IOException;
  }
  