/*
    * 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.hadoop.chukwa.extraction.demux.processor;
  
  
  import java.io.IOException;
  import org.apache.hadoop.chukwa.extraction.engine.ChukwaRecord;
  import org.apache.hadoop.chukwa.extraction.engine.ChukwaRecordKey;
  import org.apache.hadoop.mapred.OutputCollector;
  import org.apache.hadoop.mapred.Reporter;
  
  public class ChukwaOutputCollector implements
      OutputCollector<ChukwaRecordKey, ChukwaRecord> {
    private OutputCollector<ChukwaRecordKey, ChukwaRecord> outputCollector = null;
    private Reporter reporter = null;
    private String groupName = null;
  
    public ChukwaOutputCollector(
                                 String groupName,
                                 OutputCollector<ChukwaRecordKey, ChukwaRecord> outputCollector,
                                 Reporter reporter) {
      this.reporter = reporter;
      this.outputCollector = outputCollector;
      this.groupName = groupName;
    }
  
    @Override
    public void collect(ChukwaRecordKey key, ChukwaRecord value)
        throws IOException {
      this.outputCollector.collect(key, value);
      reporter.incrCounter(groupName, "total records", 1);
      reporter.incrCounter(groupName, key.getReduceType() + " records", 1);
    }
  
  }